Diff of the two buildlogs:

--
--- b1/build.log	2020-06-01 00:40:18.451024048 +0000
+++ b2/build.log	2020-06-01 00:50:07.083415256 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun May 31 12:31:22 -12 2020
-I: pbuilder-time-stamp: 1590971482
+I: Current time: Mon Jun  1 14:40:34 +14 2020
+I: pbuilder-time-stamp: 1590972034
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/buster-reproducible-base.tgz]
 I: copying local configuration
@@ -17,7 +17,7 @@
 I: Extracting source
 gpgv: unknown type of key resource 'trustedkeys.kbx'
 gpgv: keyblock resource '/root/.gnupg/trustedkeys.kbx': General error
-gpgv: Signature made Tue Jan 15 02:22:06 2019 -12
+gpgv: Signature made Wed Jan 16 04:22:06 2019 +14
 gpgv:                using RSA key F1F007320A035541F0A663CA578A0494D1C646D1
 gpgv:                issuer "tille@debian.org"
 gpgv: Can't check signature: No public key
@@ -37,136 +37,170 @@
 dpkg-source: info: applying skip_issue_in_test_suite.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/27103/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/8978/tmp/hooks/D01_modify_environment starting
+debug: Running on jtx1c.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+Removing 'diversion of /bin/sh to /bin/sh.distrib by dash'
+Adding 'diversion of /bin/sh to /bin/sh.distrib by bash'
+Removing 'diversion of /usr/share/man/man1/sh.1.gz to /usr/share/man/man1/sh.distrib.1.gz by dash'
+Adding 'diversion of /usr/share/man/man1/sh.1.gz to /usr/share/man/man1/sh.distrib.1.gz by bash'
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/8978/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/8978/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='armhf'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=3'
-  DISTRIBUTION=''
-  HOME='/root'
-  HOST_ARCH='armhf'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:hostcomplete:interactive_comments:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="0" [2]="3" [3]="1" [4]="release" [5]="arm-unknown-linux-gnueabihf")
+  BASH_VERSION='5.0.3(1)-release'
+  BUILDDIR=/build
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4'
+  DIRSTACK=()
+  DISTRIBUTION=
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='0ce988217e184d34a294f3ae04efb116'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  MAIL='/var/mail/root'
-  OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
-  PBCURRENTCOMMANDLINEOPERATION='build'
-  PBUILDER_OPERATION='build'
-  PBUILDER_PKGDATADIR='/usr/share/pbuilder'
-  PBUILDER_PKGLIBDIR='/usr/lib/pbuilder'
-  PBUILDER_SYSCONFDIR='/etc'
-  PPID='27103'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=096b1c9faa314c27bc5e88d794b826ec
+  LANG=C
+  LANGUAGE=it_CH:it
+  LC_ALL=C
+  MACHTYPE=arm-unknown-linux-gnueabihf
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnueabihf
+  PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
+  PBCURRENTCOMMANDLINEOPERATION=build
+  PBUILDER_OPERATION=build
+  PBUILDER_PKGDATADIR=/usr/share/pbuilder
+  PBUILDER_PKGLIBDIR=/usr/lib/pbuilder
+  PBUILDER_SYSCONFDIR=/etc
+  PIPESTATUS=([0]="0")
+  POSIXLY_CORRECT=y
+  PPID=8978
   PS4='+ '
-  PWD='/'
-  SHELL='/bin/bash'
-  SHLVL='2'
-  SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/tmp.RxngERSK0R/pbuilderrc_UKuu --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/buster-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/tmp.RxngERSK0R/b1 --logfile b1/build.log igraph_0.7.1-4.dsc'
-  SUDO_GID='111'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://10.0.0.15:8000/'
+  PWD=/
+  SHELL=/bin/bash
+  SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix
+  SHLVL=3
+  SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/tmp.RxngERSK0R/pbuilderrc_QIcr --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/buster-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/tmp.RxngERSK0R/b2 --logfile b2/build.log igraph_0.7.1-4.dsc'
+  SUDO_GID=111
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://10.0.0.15:8000/
 I: uname -a
-  Linux ff4a 4.19.0-9-armmp-lpae #1 SMP Debian 4.19.118-2 (2020-04-29) armv7l GNU/Linux
+  Linux i-capture-the-hostname 4.19.0-9-arm64 #1 SMP Debian 4.19.118-2 (2020-04-29) aarch64 GNU/Linux
 I: ls -l /bin
   total 3328
-  -rwxr-xr-x 1 root root 767656 Apr 17  2019 bash
-  -rwxr-xr-x 3 root root  26052 Jul 10  2019 bunzip2
-  -rwxr-xr-x 3 root root  26052 Jul 10  2019 bzcat
-  lrwxrwxrwx 1 root root      6 Jul 10  2019 bzcmp -> bzdiff
-  -rwxr-xr-x 1 root root   2227 Jul 10  2019 bzdiff
-  lrwxrwxrwx 1 root root      6 Jul 10  2019 bzegrep -> bzgrep
-  -rwxr-xr-x 1 root root   4877 Jun 24  2019 bzexe
-  lrwxrwxrwx 1 root root      6 Jul 10  2019 bzfgrep -> bzgrep
-  -rwxr-xr-x 1 root root   3641 Jul 10  2019 bzgrep
-  -rwxr-xr-x 3 root root  26052 Jul 10  2019 bzip2
-  -rwxr-xr-x 1 root root   9636 Jul 10  2019 bzip2recover
-  lrwxrwxrwx 1 root root      6 Jul 10  2019 bzless -> bzmore
-  -rwxr-xr-x 1 root root   1297 Jul 10  2019 bzmore
-  -rwxr-xr-x 1 root root  22432 Feb 28  2019 cat
-  -rwxr-xr-x 1 root root  38868 Feb 28  2019 chgrp
-  -rwxr-xr-x 1 root root  38836 Feb 28  2019 chmod
-  -rwxr-xr-x 1 root root  42972 Feb 28  2019 chown
-  -rwxr-xr-x 1 root root  88376 Feb 28  2019 cp
-  -rwxr-xr-x 1 root root  75516 Jan 17  2019 dash
-  -rwxr-xr-x 1 root root  71648 Feb 28  2019 date
-  -rwxr-xr-x 1 root root  51212 Feb 28  2019 dd
-  -rwxr-xr-x 1 root root  55672 Feb 28  2019 df
-  -rwxr-xr-x 1 root root  88444 Feb 28  2019 dir
-  -rwxr-xr-x 1 root root  54872 Jan  9  2019 dmesg
-  lrwxrwxrwx 1 root root      8 Sep 26  2018 dnsdomainname -> hostname
-  lrwxrwxrwx 1 root root      8 Sep 26  2018 domainname -> hostname
-  -rwxr-xr-x 1 root root  22364 Feb 28  2019 echo
-  -rwxr-xr-x 1 root root     28 Jan  7  2019 egrep
-  -rwxr-xr-x 1 root root  18260 Feb 28  2019 false
-  -rwxr-xr-x 1 root root     28 Jan  7  2019 fgrep
-  -rwxr-xr-x 1 root root  47356 Jan  9  2019 findmnt
-  -rwsr-xr-x 1 root root  21980 Apr 22 07:38 fusermount
-  -rwxr-xr-x 1 root root 124508 Jan  7  2019 grep
-  -rwxr-xr-x 2 root root   2345 Jan  5  2019 gunzip
-  -rwxr-xr-x 1 root root   6375 Jan  5  2019 gzexe
-  -rwxr-xr-x 1 root root  64232 Jan  5  2019 gzip
-  -rwxr-xr-x 1 root root  13784 Sep 26  2018 hostname
-  -rwxr-xr-x 1 root root  43044 Feb 28  2019 ln
-  -rwxr-xr-x 1 root root  34932 Jul 26  2018 login
-  -rwxr-xr-x 1 root root  88444 Feb 28  2019 ls
-  -rwxr-xr-x 1 root root  67036 Jan  9  2019 lsblk
-  -rwxr-xr-x 1 root root  47168 Feb 28  2019 mkdir
-  -rwxr-xr-x 1 root root  43040 Feb 28  2019 mknod
-  -rwxr-xr-x 1 root root  26552 Feb 28  2019 mktemp
-  -rwxr-xr-x 1 root root  26024 Jan  9  2019 more
-  -rwsr-xr-x 1 root root  34268 Jan  9  2019 mount
-  -rwxr-xr-x 1 root root   9688 Jan  9  2019 mountpoint
-  -rwxr-xr-x 1 root root  84284 Feb 28  2019 mv
-  lrwxrwxrwx 1 root root      8 Sep 26  2018 nisdomainname -> hostname
-  lrwxrwxrwx 1 root root     14 Feb 14  2019 pidof -> /sbin/killall5
-  -rwxr-xr-x 1 root root  22416 Feb 28  2019 pwd
-  lrwxrwxrwx 1 root root      4 Apr 17  2019 rbash -> bash
-  -rwxr-xr-x 1 root root  26504 Feb 28  2019 readlink
-  -rwxr-xr-x 1 root root  42968 Feb 28  2019 rm
-  -rwxr-xr-x 1 root root  26496 Feb 28  2019 rmdir
-  -rwxr-xr-x 1 root root  14136 Jan 21  2019 run-parts
-  -rwxr-xr-x 1 root root  76012 Dec 22  2018 sed
-  lrwxrwxrwx 1 root root      4 May 28 21:44 sh -> dash
-  -rwxr-xr-x 1 root root  22384 Feb 28  2019 sleep
-  -rwxr-xr-x 1 root root  51124 Feb 28  2019 stty
-  -rwsr-xr-x 1 root root  42472 Jan  9  2019 su
-  -rwxr-xr-x 1 root root  22392 Feb 28  2019 sync
-  -rwxr-xr-x 1 root root 283324 Apr 23  2019 tar
-  -rwxr-xr-x 1 root root   9808 Jan 21  2019 tempfile
-  -rwxr-xr-x 1 root root  63464 Feb 28  2019 touch
-  -rwxr-xr-x 1 root root  18260 Feb 28  2019 true
-  -rwxr-xr-x 1 root root   9636 Apr 22 07:38 ulockmgr_server
-  -rwsr-xr-x 1 root root  21976 Jan  9  2019 umount
-  -rwxr-xr-x 1 root root  22380 Feb 28  2019 uname
-  -rwxr-xr-x 2 root root   2345 Jan  5  2019 uncompress
-  -rwxr-xr-x 1 root root  88444 Feb 28  2019 vdir
-  -rwxr-xr-x 1 root root  21980 Jan  9  2019 wdctl
-  -rwxr-xr-x 1 root root    946 Jan 21  2019 which
-  lrwxrwxrwx 1 root root      8 Sep 26  2018 ypdomainname -> hostname
-  -rwxr-xr-x 1 root root   1983 Jan  5  2019 zcat
-  -rwxr-xr-x 1 root root   1677 Jan  5  2019 zcmp
-  -rwxr-xr-x 1 root root   5879 Jan  5  2019 zdiff
-  -rwxr-xr-x 1 root root     29 Jan  5  2019 zegrep
-  -rwxr-xr-x 1 root root     29 Jan  5  2019 zfgrep
-  -rwxr-xr-x 1 root root   2080 Jan  5  2019 zforce
-  -rwxr-xr-x 1 root root   7584 Jan  5  2019 zgrep
-  -rwxr-xr-x 1 root root   2205 Jan  5  2019 zless
-  -rwxr-xr-x 1 root root   1841 Jan  5  2019 zmore
-  -rwxr-xr-x 1 root root   4552 Jan  5  2019 znew
-I: user script /srv/workspace/pbuilder/27103/tmp/hooks/D02_print_environment finished
+  -rwxr-xr-x 1 root root 767656 Apr 18  2019 bash
+  -rwxr-xr-x 3 root root  26052 Jul 11  2019 bunzip2
+  -rwxr-xr-x 3 root root  26052 Jul 11  2019 bzcat
+  lrwxrwxrwx 1 root root      6 Jul 11  2019 bzcmp -> bzdiff
+  -rwxr-xr-x 1 root root   2227 Jul 11  2019 bzdiff
+  lrwxrwxrwx 1 root root      6 Jul 11  2019 bzegrep -> bzgrep
+  -rwxr-xr-x 1 root root   4877 Jun 25  2019 bzexe
+  lrwxrwxrwx 1 root root      6 Jul 11  2019 bzfgrep -> bzgrep
+  -rwxr-xr-x 1 root root   3641 Jul 11  2019 bzgrep
+  -rwxr-xr-x 3 root root  26052 Jul 11  2019 bzip2
+  -rwxr-xr-x 1 root root   9636 Jul 11  2019 bzip2recover
+  lrwxrwxrwx 1 root root      6 Jul 11  2019 bzless -> bzmore
+  -rwxr-xr-x 1 root root   1297 Jul 11  2019 bzmore
+  -rwxr-xr-x 1 root root  22432 Mar  1  2019 cat
+  -rwxr-xr-x 1 root root  38868 Mar  1  2019 chgrp
+  -rwxr-xr-x 1 root root  38836 Mar  1  2019 chmod
+  -rwxr-xr-x 1 root root  42972 Mar  1  2019 chown
+  -rwxr-xr-x 1 root root  88376 Mar  1  2019 cp
+  -rwxr-xr-x 1 root root  75516 Jan 18  2019 dash
+  -rwxr-xr-x 1 root root  71648 Mar  1  2019 date
+  -rwxr-xr-x 1 root root  51212 Mar  1  2019 dd
+  -rwxr-xr-x 1 root root  55672 Mar  1  2019 df
+  -rwxr-xr-x 1 root root  88444 Mar  1  2019 dir
+  -rwxr-xr-x 1 root root  54872 Jan 10  2019 dmesg
+  lrwxrwxrwx 1 root root      8 Sep 27  2018 dnsdomainname -> hostname
+  lrwxrwxrwx 1 root root      8 Sep 27  2018 domainname -> hostname
+  -rwxr-xr-x 1 root root  22364 Mar  1  2019 echo
+  -rwxr-xr-x 1 root root     28 Jan  8  2019 egrep
+  -rwxr-xr-x 1 root root  18260 Mar  1  2019 false
+  -rwxr-xr-x 1 root root     28 Jan  8  2019 fgrep
+  -rwxr-xr-x 1 root root  47356 Jan 10  2019 findmnt
+  -rwsr-xr-x 1 root root  21980 Apr 23 09:38 fusermount
+  -rwxr-xr-x 1 root root 124508 Jan  8  2019 grep
+  -rwxr-xr-x 2 root root   2345 Jan  6  2019 gunzip
+  -rwxr-xr-x 1 root root   6375 Jan  6  2019 gzexe
+  -rwxr-xr-x 1 root root  64232 Jan  6  2019 gzip
+  -rwxr-xr-x 1 root root  13784 Sep 27  2018 hostname
+  -rwxr-xr-x 1 root root  43044 Mar  1  2019 ln
+  -rwxr-xr-x 1 root root  34932 Jul 27  2018 login
+  -rwxr-xr-x 1 root root  88444 Mar  1  2019 ls
+  -rwxr-xr-x 1 root root  67036 Jan 10  2019 lsblk
+  -rwxr-xr-x 1 root root  47168 Mar  1  2019 mkdir
+  -rwxr-xr-x 1 root root  43040 Mar  1  2019 mknod
+  -rwxr-xr-x 1 root root  26552 Mar  1  2019 mktemp
+  -rwxr-xr-x 1 root root  26024 Jan 10  2019 more
+  -rwsr-xr-x 1 root root  34268 Jan 10  2019 mount
+  -rwxr-xr-x 1 root root   9688 Jan 10  2019 mountpoint
+  -rwxr-xr-x 1 root root  84284 Mar  1  2019 mv
+  lrwxrwxrwx 1 root root      8 Sep 27  2018 nisdomainname -> hostname
+  lrwxrwxrwx 1 root root     14 Feb 15  2019 pidof -> /sbin/killall5
+  -rwxr-xr-x 1 root root  22416 Mar  1  2019 pwd
+  lrwxrwxrwx 1 root root      4 Apr 18  2019 rbash -> bash
+  -rwxr-xr-x 1 root root  26504 Mar  1  2019 readlink
+  -rwxr-xr-x 1 root root  42968 Mar  1  2019 rm
+  -rwxr-xr-x 1 root root  26496 Mar  1  2019 rmdir
+  -rwxr-xr-x 1 root root  14136 Jan 22  2019 run-parts
+  -rwxr-xr-x 1 root root  76012 Dec 23  2018 sed
+  lrwxrwxrwx 1 root root      4 Jun  1 14:40 sh -> bash
+  lrwxrwxrwx 1 root root      4 May 30 22:26 sh.distrib -> dash
+  -rwxr-xr-x 1 root root  22384 Mar  1  2019 sleep
+  -rwxr-xr-x 1 root root  51124 Mar  1  2019 stty
+  -rwsr-xr-x 1 root root  42472 Jan 10  2019 su
+  -rwxr-xr-x 1 root root  22392 Mar  1  2019 sync
+  -rwxr-xr-x 1 root root 283324 Apr 24  2019 tar
+  -rwxr-xr-x 1 root root   9808 Jan 22  2019 tempfile
+  -rwxr-xr-x 1 root root  63464 Mar  1  2019 touch
+  -rwxr-xr-x 1 root root  18260 Mar  1  2019 true
+  -rwxr-xr-x 1 root root   9636 Apr 23 09:38 ulockmgr_server
+  -rwsr-xr-x 1 root root  21976 Jan 10  2019 umount
+  -rwxr-xr-x 1 root root  22380 Mar  1  2019 uname
+  -rwxr-xr-x 2 root root   2345 Jan  6  2019 uncompress
+  -rwxr-xr-x 1 root root  88444 Mar  1  2019 vdir
+  -rwxr-xr-x 1 root root  21980 Jan 10  2019 wdctl
+  -rwxr-xr-x 1 root root    946 Jan 22  2019 which
+  lrwxrwxrwx 1 root root      8 Sep 27  2018 ypdomainname -> hostname
+  -rwxr-xr-x 1 root root   1983 Jan  6  2019 zcat
+  -rwxr-xr-x 1 root root   1677 Jan  6  2019 zcmp
+  -rwxr-xr-x 1 root root   5879 Jan  6  2019 zdiff
+  -rwxr-xr-x 1 root root     29 Jan  6  2019 zegrep
+  -rwxr-xr-x 1 root root     29 Jan  6  2019 zfgrep
+  -rwxr-xr-x 1 root root   2080 Jan  6  2019 zforce
+  -rwxr-xr-x 1 root root   7584 Jan  6  2019 zgrep
+  -rwxr-xr-x 1 root root   2205 Jan  6  2019 zless
+  -rwxr-xr-x 1 root root   1841 Jan  6  2019 zmore
+  -rwxr-xr-x 1 root root   4552 Jan  6  2019 znew
+I: user script /srv/workspace/pbuilder/8978/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -288,7 +322,7 @@
 Get: 66 http://deb.debian.org/debian buster/main armhf libglpk-dev armhf 4.65-2 [423 kB]
 Get: 67 http://deb.debian.org/debian buster/main armhf libicu-dev armhf 63.1-6+deb10u1 [8940 kB]
 Get: 68 http://deb.debian.org/debian buster/main armhf libxml2-dev armhf 2.9.4+dfsg1-7+b3 [718 kB]
-Fetched 38.9 MB in 5s (8579 kB/s)
+Fetched 38.9 MB in 4s (10.4 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libbsd0:armhf.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 18932 files and directories currently installed.)
@@ -587,7 +621,7 @@
 fakeroot is already the newest version (1.23-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/igraph-0.7.1/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b
+I: Running cd /build/igraph-0.7.1/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b
 dpkg-buildpackage: info: source package igraph
 dpkg-buildpackage: info: source version 0.7.1-4
 dpkg-buildpackage: info: source distribution unstable
@@ -813,7 +847,7 @@
   Profiling              -- no
 make[1]: Leaving directory '/build/igraph-0.7.1'
    dh_auto_build
-	make -j3
+	make -j4
 make[1]: Entering directory '/build/igraph-0.7.1'
 make  all-recursive
 make[2]: Entering directory '/build/igraph-0.7.1'
@@ -821,51 +855,52 @@
 make[3]: Entering directory '/build/igraph-0.7.1/src'
 make  all-am
 make[4]: Entering directory '/build/igraph-0.7.1/src'
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-basic_query.lo `test -f 'basic_query.c' || echo './'`basic_query.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-games.lo `test -f 'games.c' || echo './'`games.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cocitation.lo `test -f 'cocitation.c' || echo './'`cocitation.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c games.c  -fPIC -DPIC -o .libs/libigraph_la-games.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-basic_query.lo `test -f 'basic_query.c' || echo './'`basic_query.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-games.lo `test -f 'games.c' || echo './'`games.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cocitation.lo `test -f 'cocitation.c' || echo './'`cocitation.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-iterators.lo `test -f 'iterators.c' || echo './'`iterators.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c basic_query.c  -fPIC -DPIC -o .libs/libigraph_la-basic_query.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c games.c  -fPIC -DPIC -o .libs/libigraph_la-games.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cocitation.c  -fPIC -DPIC -o .libs/libigraph_la-cocitation.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c basic_query.c -o libigraph_la-basic_query.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-iterators.lo `test -f 'iterators.c' || echo './'`iterators.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c iterators.c  -fPIC -DPIC -o .libs/libigraph_la-iterators.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cocitation.c -o libigraph_la-cocitation.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-structural_properties.lo `test -f 'structural_properties.c' || echo './'`structural_properties.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c basic_query.c -o libigraph_la-basic_query.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-structural_properties.lo `test -f 'structural_properties.c' || echo './'`structural_properties.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c structural_properties.c  -fPIC -DPIC -o .libs/libigraph_la-structural_properties.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cocitation.c -o libigraph_la-cocitation.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c iterators.c -o libigraph_la-iterators.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-components.lo `test -f 'components.c' || echo './'`components.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-components.lo `test -f 'components.c' || echo './'`components.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c components.c  -fPIC -DPIC -o .libs/libigraph_la-components.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c components.c -o libigraph_la-components.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c games.c -o libigraph_la-games.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-layout.lo `test -f 'layout.c' || echo './'`layout.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-layout.lo `test -f 'layout.c' || echo './'`layout.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c layout.c  -fPIC -DPIC -o .libs/libigraph_la-layout.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c structural_properties.c -o libigraph_la-structural_properties.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c layout.c -o libigraph_la-layout.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-structure_generators.lo `test -f 'structure_generators.c' || echo './'`structure_generators.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c components.c -o libigraph_la-components.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-structure_generators.lo `test -f 'structure_generators.c' || echo './'`structure_generators.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c structure_generators.c  -fPIC -DPIC -o .libs/libigraph_la-structure_generators.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c games.c -o libigraph_la-games.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c structure_generators.c -o libigraph_la-structure_generators.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-conversion.lo `test -f 'conversion.c' || echo './'`conversion.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c layout.c -o libigraph_la-layout.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c structural_properties.c -o libigraph_la-structural_properties.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-conversion.lo `test -f 'conversion.c' || echo './'`conversion.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c conversion.c  -fPIC -DPIC -o .libs/libigraph_la-conversion.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-type_indexededgelist.lo `test -f 'type_indexededgelist.c' || echo './'`type_indexededgelist.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c type_indexededgelist.c  -fPIC -DPIC -o .libs/libigraph_la-type_indexededgelist.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c conversion.c -o libigraph_la-conversion.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-spanning_trees.lo `test -f 'spanning_trees.c' || echo './'`spanning_trees.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-type_indexededgelist.lo `test -f 'type_indexededgelist.c' || echo './'`type_indexededgelist.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c type_indexededgelist.c  -fPIC -DPIC -o .libs/libigraph_la-type_indexededgelist.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-spanning_trees.lo `test -f 'spanning_trees.c' || echo './'`spanning_trees.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spanning_trees.c  -fPIC -DPIC -o .libs/libigraph_la-spanning_trees.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spanning_trees.c -o libigraph_la-spanning_trees.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_error.lo `test -f 'igraph_error.c' || echo './'`igraph_error.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_error.lo `test -f 'igraph_error.c' || echo './'`igraph_error.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_error.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_error.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_error.c -o libigraph_la-igraph_error.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c type_indexededgelist.c -o libigraph_la-type_indexededgelist.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-interrupt.lo `test -f 'interrupt.c' || echo './'`interrupt.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spanning_trees.c -o libigraph_la-spanning_trees.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-interrupt.lo `test -f 'interrupt.c' || echo './'`interrupt.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c interrupt.c  -fPIC -DPIC -o .libs/libigraph_la-interrupt.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c interrupt.c -o libigraph_la-interrupt.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-other.lo `test -f 'other.c' || echo './'`other.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign.lo `test -f 'foreign.c' || echo './'`foreign.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-other.lo `test -f 'other.c' || echo './'`other.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c other.c  -fPIC -DPIC -o .libs/libigraph_la-other.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign.lo `test -f 'foreign.c' || echo './'`foreign.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign.c  -fPIC -DPIC -o .libs/libigraph_la-foreign.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c other.c -o libigraph_la-other.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-random.lo `test -f 'random.c' || echo './'`random.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-random.lo `test -f 'random.c' || echo './'`random.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c type_indexededgelist.c -o libigraph_la-type_indexededgelist.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c random.c  -fPIC -DPIC -o .libs/libigraph_la-random.o
 foreign.c: In function 'igraph_i_gml_tostring':
 foreign.c:1044:10: warning: function may return address of local variable [-Wreturn-local-addr]
    return p;
@@ -885,431 +920,432 @@
 foreign.c:1023:8: note: declared here
    char tmp[256];
         ^~~
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c random.c  -fPIC -DPIC -o .libs/libigraph_la-random.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c random.c -o libigraph_la-random.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-attributes.lo `test -f 'attributes.c' || echo './'`attributes.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-attributes.lo `test -f 'attributes.c' || echo './'`attributes.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c attributes.c  -fPIC -DPIC -o .libs/libigraph_la-attributes.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c attributes.c -o libigraph_la-attributes.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-ncol-parser.lo `test -f 'foreign-ncol-parser.c' || echo './'`foreign-ncol-parser.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-ncol-lexer.lo `test -f 'foreign-ncol-lexer.c' || echo './'`foreign-ncol-lexer.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-ncol-parser.lo `test -f 'foreign-ncol-parser.c' || echo './'`foreign-ncol-parser.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-ncol-parser.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-ncol-parser.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-ncol-lexer.lo `test -f 'foreign-ncol-lexer.c' || echo './'`foreign-ncol-lexer.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c attributes.c -o libigraph_la-attributes.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-ncol-lexer.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-ncol-lexer.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-lgl-parser.lo `test -f 'foreign-lgl-parser.c' || echo './'`foreign-lgl-parser.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-ncol-parser.c -o libigraph_la-foreign-ncol-parser.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign.c -o libigraph_la-foreign.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-ncol-lexer.c -o libigraph_la-foreign-ncol-lexer.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-lgl-parser.lo `test -f 'foreign-lgl-parser.c' || echo './'`foreign-lgl-parser.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-lgl-parser.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-lgl-parser.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-lgl-lexer.lo `test -f 'foreign-lgl-lexer.c' || echo './'`foreign-lgl-lexer.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-ncol-lexer.c -o libigraph_la-foreign-ncol-lexer.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-lgl-lexer.lo `test -f 'foreign-lgl-lexer.c' || echo './'`foreign-lgl-lexer.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-lgl-parser.c -o libigraph_la-foreign-lgl-parser.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-lgl-lexer.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-lgl-lexer.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-pajek-parser.lo `test -f 'foreign-pajek-parser.c' || echo './'`foreign-pajek-parser.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-pajek-parser.lo `test -f 'foreign-pajek-parser.c' || echo './'`foreign-pajek-parser.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-pajek-parser.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-pajek-parser.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-pajek-lexer.lo `test -f 'foreign-pajek-lexer.c' || echo './'`foreign-pajek-lexer.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-pajek-lexer.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-pajek-lexer.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-lgl-lexer.c -o libigraph_la-foreign-lgl-lexer.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-pajek-parser.c -o libigraph_la-foreign-pajek-parser.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-pajek-lexer.lo `test -f 'foreign-pajek-lexer.c' || echo './'`foreign-pajek-lexer.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-pajek-lexer.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-pajek-lexer.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-gml-parser.lo `test -f 'foreign-gml-parser.c' || echo './'`foreign-gml-parser.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-gml-parser.lo `test -f 'foreign-gml-parser.c' || echo './'`foreign-gml-parser.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-gml-parser.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-gml-parser.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-gml-lexer.lo `test -f 'foreign-gml-lexer.c' || echo './'`foreign-gml-lexer.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-pajek-lexer.c -o libigraph_la-foreign-pajek-lexer.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-gml-lexer.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-gml-lexer.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-gml-parser.c -o libigraph_la-foreign-gml-parser.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-gml-lexer.c -o libigraph_la-foreign-gml-lexer.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-dqueue.lo `test -f 'dqueue.c' || echo './'`dqueue.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-heap.lo `test -f 'heap.c' || echo './'`heap.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-gml-lexer.lo `test -f 'foreign-gml-lexer.c' || echo './'`foreign-gml-lexer.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-gml-lexer.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-gml-lexer.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-dqueue.lo `test -f 'dqueue.c' || echo './'`dqueue.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c dqueue.c  -fPIC -DPIC -o .libs/libigraph_la-dqueue.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-heap.lo `test -f 'heap.c' || echo './'`heap.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c heap.c  -fPIC -DPIC -o .libs/libigraph_la-heap.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_heap.lo `test -f 'igraph_heap.c' || echo './'`igraph_heap.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_heap.lo `test -f 'igraph_heap.c' || echo './'`igraph_heap.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_heap.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_heap.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-gml-lexer.c -o libigraph_la-foreign-gml-lexer.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c dqueue.c -o libigraph_la-dqueue.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c heap.c -o libigraph_la-heap.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_stack.lo `test -f 'igraph_stack.c' || echo './'`igraph_stack.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_stack.lo `test -f 'igraph_stack.c' || echo './'`igraph_stack.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_heap.c -o libigraph_la-igraph_heap.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_stack.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_stack.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_strvector.lo `test -f 'igraph_strvector.c' || echo './'`igraph_strvector.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_strvector.lo `test -f 'igraph_strvector.c' || echo './'`igraph_strvector.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_strvector.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_strvector.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_trie.lo `test -f 'igraph_trie.c' || echo './'`igraph_trie.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_trie.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_trie.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_strvector.c -o libigraph_la-igraph_strvector.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_stack.c -o libigraph_la-igraph_stack.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_trie.lo `test -f 'igraph_trie.c' || echo './'`igraph_trie.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_trie.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_trie.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-matrix.lo `test -f 'matrix.c' || echo './'`matrix.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c matrix.c  -fPIC -DPIC -o .libs/libigraph_la-matrix.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_trie.c -o libigraph_la-igraph_trie.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-vector.lo `test -f 'vector.c' || echo './'`vector.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-matrix.lo `test -f 'matrix.c' || echo './'`matrix.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c matrix.c  -fPIC -DPIC -o .libs/libigraph_la-matrix.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-vector.lo `test -f 'vector.c' || echo './'`vector.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c vector.c  -fPIC -DPIC -o .libs/libigraph_la-vector.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-vector_ptr.lo `test -f 'vector_ptr.c' || echo './'`vector_ptr.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-vector_ptr.lo `test -f 'vector_ptr.c' || echo './'`vector_ptr.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c vector_ptr.c  -fPIC -DPIC -o .libs/libigraph_la-vector_ptr.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c vector_ptr.c -o libigraph_la-vector_ptr.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-memory.lo `test -f 'memory.c' || echo './'`memory.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-memory.lo `test -f 'memory.c' || echo './'`memory.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c memory.c  -fPIC -DPIC -o .libs/libigraph_la-memory.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c memory.c -o libigraph_la-memory.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-adjlist.lo `test -f 'adjlist.c' || echo './'`adjlist.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-adjlist.lo `test -f 'adjlist.c' || echo './'`adjlist.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c adjlist.c  -fPIC -DPIC -o .libs/libigraph_la-adjlist.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c adjlist.c -o libigraph_la-adjlist.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-visitors.lo `test -f 'visitors.c' || echo './'`visitors.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c vector_ptr.c -o libigraph_la-vector_ptr.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-visitors.lo `test -f 'visitors.c' || echo './'`visitors.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c visitors.c  -fPIC -DPIC -o .libs/libigraph_la-visitors.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c adjlist.c -o libigraph_la-adjlist.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c visitors.c -o libigraph_la-visitors.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c matrix.c -o libigraph_la-matrix.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_grid.lo `test -f 'igraph_grid.c' || echo './'`igraph_grid.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_grid.lo `test -f 'igraph_grid.c' || echo './'`igraph_grid.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_grid.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_grid.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_grid.c -o libigraph_la-igraph_grid.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-atlas.lo `test -f 'atlas.c' || echo './'`atlas.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-atlas.lo `test -f 'atlas.c' || echo './'`atlas.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c atlas.c  -fPIC -DPIC -o .libs/libigraph_la-atlas.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_grid.c -o libigraph_la-igraph_grid.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c atlas.c -o libigraph_la-atlas.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-topology.lo `test -f 'topology.c' || echo './'`topology.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-topology.lo `test -f 'topology.c' || echo './'`topology.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c topology.c  -fPIC -DPIC -o .libs/libigraph_la-topology.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c vector.c -o libigraph_la-vector.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-motifs.lo `test -f 'motifs.c' || echo './'`motifs.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-motifs.lo `test -f 'motifs.c' || echo './'`motifs.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c motifs.c  -fPIC -DPIC -o .libs/libigraph_la-motifs.o
 motifs.c: In function 'igraph_dyad_census':
 motifs.c:900:11: warning: overflow in conversion from 'float' to 'igraph_integer_t' {aka 'int'} changes value from '(float)+QNaNf' to '0' [-Woverflow]
    *null = IGRAPH_NAN;
            ^~~~~~~~~~
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c topology.c -o libigraph_la-topology.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c matrix.c -o libigraph_la-matrix.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c motifs.c -o libigraph_la-motifs.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-progress.lo `test -f 'progress.c' || echo './'`progress.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c topology.c -o libigraph_la-topology.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-progress.lo `test -f 'progress.c' || echo './'`progress.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c progress.c  -fPIC -DPIC -o .libs/libigraph_la-progress.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c progress.c -o libigraph_la-progress.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-operators.lo `test -f 'operators.c' || echo './'`operators.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-operators.lo `test -f 'operators.c' || echo './'`operators.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c operators.c  -fPIC -DPIC -o .libs/libigraph_la-operators.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_psumtree.lo `test -f 'igraph_psumtree.c' || echo './'`igraph_psumtree.c
 operators.c: In function 'igraph_i_merge':
 operators.c:328:9: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]
    while (l) {
          ^
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c vector.c -o libigraph_la-vector.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c operators.c -o libigraph_la-operators.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_psumtree.lo `test -f 'igraph_psumtree.c' || echo './'`igraph_psumtree.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-array.lo `test -f 'array.c' || echo './'`array.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_psumtree.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_psumtree.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_psumtree.c -o libigraph_la-igraph_psumtree.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-array.lo `test -f 'array.c' || echo './'`array.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c array.c  -fPIC -DPIC -o .libs/libigraph_la-array.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_psumtree.c -o libigraph_la-igraph_psumtree.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_hashtable.lo `test -f 'igraph_hashtable.c' || echo './'`igraph_hashtable.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c array.c -o libigraph_la-array.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c operators.c -o libigraph_la-operators.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_hashtable.lo `test -f 'igraph_hashtable.c' || echo './'`igraph_hashtable.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_hashtable.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_hashtable.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-graphml.lo `test -f 'foreign-graphml.c' || echo './'`foreign-graphml.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_hashtable.c -o libigraph_la-igraph_hashtable.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-graphml.lo `test -f 'foreign-graphml.c' || echo './'`foreign-graphml.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-graphml.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-graphml.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-flow.lo `test -f 'flow.c' || echo './'`flow.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-flow.lo `test -f 'flow.c' || echo './'`flow.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_buckets.lo `test -f 'igraph_buckets.c' || echo './'`igraph_buckets.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c flow.c  -fPIC -DPIC -o .libs/libigraph_la-flow.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_buckets.lo `test -f 'igraph_buckets.c' || echo './'`igraph_buckets.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_buckets.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_buckets.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_buckets.c -o libigraph_la-igraph_buckets.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-graphml.c -o libigraph_la-foreign-graphml.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-NetDataTypes.lo `test -f 'NetDataTypes.cpp' || echo './'`NetDataTypes.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-NetDataTypes.lo `test -f 'NetDataTypes.cpp' || echo './'`NetDataTypes.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c NetDataTypes.cpp  -fPIC -DPIC -o .libs/libigraph_la-NetDataTypes.o
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c NetDataTypes.cpp -o libigraph_la-NetDataTypes.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-NetRoutines.lo `test -f 'NetRoutines.cpp' || echo './'`NetRoutines.cpp
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-graphml.c -o libigraph_la-foreign-graphml.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-NetRoutines.lo `test -f 'NetRoutines.cpp' || echo './'`NetRoutines.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c NetRoutines.cpp  -fPIC -DPIC -o .libs/libigraph_la-NetRoutines.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c flow.c -o libigraph_la-flow.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-clustertool.lo `test -f 'clustertool.cpp' || echo './'`clustertool.cpp
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c clustertool.cpp  -fPIC -DPIC -o .libs/libigraph_la-clustertool.o
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c NetRoutines.cpp -o libigraph_la-NetRoutines.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-pottsmodel_2.lo `test -f 'pottsmodel_2.cpp' || echo './'`pottsmodel_2.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-clustertool.lo `test -f 'clustertool.cpp' || echo './'`clustertool.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-pottsmodel_2.lo `test -f 'pottsmodel_2.cpp' || echo './'`pottsmodel_2.cpp
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c clustertool.cpp  -fPIC -DPIC -o .libs/libigraph_la-clustertool.o
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c pottsmodel_2.cpp  -fPIC -DPIC -o .libs/libigraph_la-pottsmodel_2.o
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c clustertool.cpp -o libigraph_la-clustertool.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-spectral_properties.lo `test -f 'spectral_properties.c' || echo './'`spectral_properties.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-spectral_properties.lo `test -f 'spectral_properties.c' || echo './'`spectral_properties.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spectral_properties.c  -fPIC -DPIC -o .libs/libigraph_la-spectral_properties.o
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c clustertool.cpp -o libigraph_la-clustertool.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spectral_properties.c -o libigraph_la-spectral_properties.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cores.lo `test -f 'cores.c' || echo './'`cores.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cores.lo `test -f 'cores.c' || echo './'`cores.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_set.lo `test -f 'igraph_set.c' || echo './'`igraph_set.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cores.c  -fPIC -DPIC -o .libs/libigraph_la-cores.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_set.lo `test -f 'igraph_set.c' || echo './'`igraph_set.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_set.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_set.o
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c pottsmodel_2.cpp -o libigraph_la-pottsmodel_2.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cores.c -o libigraph_la-cores.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cliques.lo `test -f 'cliques.c' || echo './'`cliques.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_set.c -o libigraph_la-igraph_set.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cliques.lo `test -f 'cliques.c' || echo './'`cliques.c
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c pottsmodel_2.cpp -o libigraph_la-pottsmodel_2.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cliques.c  -fPIC -DPIC -o .libs/libigraph_la-cliques.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-revolver_cit.lo `test -f 'revolver_cit.c' || echo './'`revolver_cit.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-revolver_cit.lo `test -f 'revolver_cit.c' || echo './'`revolver_cit.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c revolver_cit.c  -fPIC -DPIC -o .libs/libigraph_la-revolver_cit.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cliques.c -o libigraph_la-cliques.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-revolver_grow.lo `test -f 'revolver_grow.c' || echo './'`revolver_grow.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-revolver_grow.lo `test -f 'revolver_grow.c' || echo './'`revolver_grow.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c revolver_grow.c  -fPIC -DPIC -o .libs/libigraph_la-revolver_grow.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-walktrap.lo `test -f 'walktrap.cpp' || echo './'`walktrap.cpp
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cliques.c -o libigraph_la-cliques.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-walktrap.lo `test -f 'walktrap.cpp' || echo './'`walktrap.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap.cpp  -fPIC -DPIC -o .libs/libigraph_la-walktrap.o
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap.cpp -o libigraph_la-walktrap.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-walktrap_heap.lo `test -f 'walktrap_heap.cpp' || echo './'`walktrap_heap.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-walktrap_heap.lo `test -f 'walktrap_heap.cpp' || echo './'`walktrap_heap.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap_heap.cpp  -fPIC -DPIC -o .libs/libigraph_la-walktrap_heap.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c revolver_grow.c -o libigraph_la-revolver_grow.o >/dev/null 2>&1
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap.cpp -o libigraph_la-walktrap.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap_heap.cpp -o libigraph_la-walktrap_heap.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-walktrap_graph.lo `test -f 'walktrap_graph.cpp' || echo './'`walktrap_graph.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-walktrap_graph.lo `test -f 'walktrap_graph.cpp' || echo './'`walktrap_graph.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-walktrap_communities.lo `test -f 'walktrap_communities.cpp' || echo './'`walktrap_communities.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap_graph.cpp  -fPIC -DPIC -o .libs/libigraph_la-walktrap_graph.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-walktrap_communities.lo `test -f 'walktrap_communities.cpp' || echo './'`walktrap_communities.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap_communities.cpp  -fPIC -DPIC -o .libs/libigraph_la-walktrap_communities.o
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-infomap.lo `test -f 'infomap.cc' || echo './'`infomap.cc
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap.cc  -fPIC -DPIC -o .libs/libigraph_la-infomap.o
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap_graph.cpp -o libigraph_la-walktrap_graph.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-infomap.lo `test -f 'infomap.cc' || echo './'`infomap.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c walktrap_communities.cpp -o libigraph_la-walktrap_communities.o >/dev/null 2>&1
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap.cc  -fPIC -DPIC -o .libs/libigraph_la-infomap.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c revolver_cit.c -o libigraph_la-revolver_cit.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap.cc -o libigraph_la-infomap.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-infomap_Greedy.lo `test -f 'infomap_Greedy.cc' || echo './'`infomap_Greedy.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-infomap_Greedy.lo `test -f 'infomap_Greedy.cc' || echo './'`infomap_Greedy.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap_Greedy.cc  -fPIC -DPIC -o .libs/libigraph_la-infomap_Greedy.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-infomap_Node.lo `test -f 'infomap_Node.cc' || echo './'`infomap_Node.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-infomap_Node.lo `test -f 'infomap_Node.cc' || echo './'`infomap_Node.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap_Node.cc  -fPIC -DPIC -o .libs/libigraph_la-infomap_Node.o
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap_Node.cc -o libigraph_la-infomap_Node.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-infomap_FlowGraph.lo `test -f 'infomap_FlowGraph.cc' || echo './'`infomap_FlowGraph.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-infomap_FlowGraph.lo `test -f 'infomap_FlowGraph.cc' || echo './'`infomap_FlowGraph.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap_FlowGraph.cc  -fPIC -DPIC -o .libs/libigraph_la-infomap_FlowGraph.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-spmatrix.lo `test -f 'spmatrix.c' || echo './'`spmatrix.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spmatrix.c  -fPIC -DPIC -o .libs/libigraph_la-spmatrix.o
 In file included from /usr/include/c++/8/vector:69,
-                 from infomap_Greedy.h:28,
-                 from infomap_Greedy.cc:25:
+                 from infomap_FlowGraph.h:28,
+                 from infomap_FlowGraph.cc:25:
 /usr/include/c++/8/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {std::pair<int, double>}; _Tp = std::pair<int, double>; _Alloc = std::allocator<std::pair<int, double> >]':
 /usr/include/c++/8/bits/vector.tcc:413:7: note: parameter passing for argument of type 'std::vector<std::pair<int, double> >::iterator' {aka '__gnu_cxx::__normal_iterator<std::pair<int, double>*, std::vector<std::pair<int, double> > >'} changed in GCC 7.1
        vector<_Tp, _Alloc>::
        ^~~~~~~~~~~~~~~~~~~
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c revolver_cit.c -o libigraph_la-revolver_cit.o >/dev/null 2>&1
 /usr/include/c++/8/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {std::pair<int, double>}; _Tp = std::pair<int, double>; _Alloc = std::allocator<std::pair<int, double> >]':
 /usr/include/c++/8/bits/vector.tcc:109:4: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<int, double>*, std::vector<std::pair<int, double> > >' changed in GCC 7.1
     _M_realloc_insert(end(), std::forward<_Args>(__args)...);
     ^~~~~~~~~~~~~~~~~
 In file included from /usr/include/c++/8/vector:69,
-                 from infomap_FlowGraph.h:28,
-                 from infomap_FlowGraph.cc:25:
+                 from infomap_Greedy.h:28,
+                 from infomap_Greedy.cc:25:
 /usr/include/c++/8/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {std::pair<int, double>}; _Tp = std::pair<int, double>; _Alloc = std::allocator<std::pair<int, double> >]':
 /usr/include/c++/8/bits/vector.tcc:413:7: note: parameter passing for argument of type 'std::vector<std::pair<int, double> >::iterator' {aka '__gnu_cxx::__normal_iterator<std::pair<int, double>*, std::vector<std::pair<int, double> > >'} changed in GCC 7.1
        vector<_Tp, _Alloc>::
        ^~~~~~~~~~~~~~~~~~~
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spmatrix.c -o libigraph_la-spmatrix.o >/dev/null 2>&1
 /usr/include/c++/8/bits/vector.tcc: In member function 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {std::pair<int, double>}; _Tp = std::pair<int, double>; _Alloc = std::allocator<std::pair<int, double> >]':
 /usr/include/c++/8/bits/vector.tcc:109:4: note: parameter passing for argument of type '__gnu_cxx::__normal_iterator<std::pair<int, double>*, std::vector<std::pair<int, double> > >' changed in GCC 7.1
     _M_realloc_insert(end(), std::forward<_Args>(__args)...);
     ^~~~~~~~~~~~~~~~~
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap_FlowGraph.cc -o libigraph_la-infomap_FlowGraph.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c infomap_Greedy.cc -o libigraph_la-infomap_Greedy.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-spmatrix.lo `test -f 'spmatrix.c' || echo './'`spmatrix.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spmatrix.c  -fPIC -DPIC -o .libs/libigraph_la-spmatrix.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c spmatrix.c -o libigraph_la-spmatrix.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-community.lo `test -f 'community.c' || echo './'`community.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-community.lo `test -f 'community.c' || echo './'`community.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c community.c  -fPIC -DPIC -o .libs/libigraph_la-community.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-fast_community.lo `test -f 'fast_community.c' || echo './'`fast_community.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-fast_community.lo `test -f 'fast_community.c' || echo './'`fast_community.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c fast_community.c  -fPIC -DPIC -o .libs/libigraph_la-fast_community.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-evolver_cit.lo `test -f 'evolver_cit.c' || echo './'`evolver_cit.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c fast_community.c -o libigraph_la-fast_community.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-evolver_cit.lo `test -f 'evolver_cit.c' || echo './'`evolver_cit.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c evolver_cit.c  -fPIC -DPIC -o .libs/libigraph_la-evolver_cit.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c evolver_cit.c -o libigraph_la-evolver_cit.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c fast_community.c -o libigraph_la-fast_community.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-gml_tree.lo `test -f 'gml_tree.c' || echo './'`gml_tree.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-gml_tree.lo `test -f 'gml_tree.c' || echo './'`gml_tree.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c gml_tree.c  -fPIC -DPIC -o .libs/libigraph_la-gml_tree.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c gml_tree.c -o libigraph_la-gml_tree.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_orbit.lo `test -f 'bliss_orbit.cc' || echo './'`bliss_orbit.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_orbit.lo `test -f 'bliss_orbit.cc' || echo './'`bliss_orbit.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_orbit.cc  -fPIC -DPIC -o .libs/libigraph_la-bliss_orbit.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c community.c -o libigraph_la-community.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_orbit.cc -o libigraph_la-bliss_orbit.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_eqrefhash.lo `test -f 'bliss_eqrefhash.cc' || echo './'`bliss_eqrefhash.cc
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c gml_tree.c -o libigraph_la-gml_tree.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_eqrefhash.lo `test -f 'bliss_eqrefhash.cc' || echo './'`bliss_eqrefhash.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_eqrefhash.cc  -fPIC -DPIC -o .libs/libigraph_la-bliss_eqrefhash.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_partition.lo `test -f 'bliss_partition.cc' || echo './'`bliss_partition.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_partition.lo `test -f 'bliss_partition.cc' || echo './'`bliss_partition.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_partition.cc  -fPIC -DPIC -o .libs/libigraph_la-bliss_partition.o
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_eqrefhash.cc -o libigraph_la-bliss_eqrefhash.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_graph.lo `test -f 'bliss_graph.cc' || echo './'`bliss_graph.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_graph.lo `test -f 'bliss_graph.cc' || echo './'`bliss_graph.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_graph.cc  -fPIC -DPIC -o .libs/libigraph_la-bliss_graph.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c community.c -o libigraph_la-community.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_partition.cc -o libigraph_la-bliss_partition.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_timer.lo `test -f 'bliss_timer.cc' || echo './'`bliss_timer.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_timer.lo `test -f 'bliss_timer.cc' || echo './'`bliss_timer.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_heap.lo `test -f 'bliss_heap.cc' || echo './'`bliss_heap.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_timer.cc  -fPIC -DPIC -o .libs/libigraph_la-bliss_timer.o
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_timer.cc -o libigraph_la-bliss_timer.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_heap.lo `test -f 'bliss_heap.cc' || echo './'`bliss_heap.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_heap.cc  -fPIC -DPIC -o .libs/libigraph_la-bliss_heap.o
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_timer.cc -o libigraph_la-bliss_timer.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_heap.cc -o libigraph_la-bliss_heap.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_utils.lo `test -f 'bliss_utils.cc' || echo './'`bliss_utils.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss_utils.lo `test -f 'bliss_utils.cc' || echo './'`bliss_utils.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_utils.cc  -fPIC -DPIC -o .libs/libigraph_la-bliss_utils.o
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_utils.cc -o libigraph_la-bliss_utils.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss.lo `test -f 'bliss.cc' || echo './'`bliss.cc
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-bliss.lo `test -f 'bliss.cc' || echo './'`bliss.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss.cc  -fPIC -DPIC -o .libs/libigraph_la-bliss.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cattributes.lo `test -f 'cattributes.c' || echo './'`cattributes.c
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_utils.cc -o libigraph_la-bliss_utils.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cattributes.lo `test -f 'cattributes.c' || echo './'`cattributes.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cattributes.c  -fPIC -DPIC -o .libs/libigraph_la-cattributes.o
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss.cc -o libigraph_la-bliss.o >/dev/null 2>&1
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_graph.cc -o libigraph_la-bliss_graph.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-revolver_ml_cit.lo `test -f 'revolver_ml_cit.c' || echo './'`revolver_ml_cit.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-revolver_ml_cit.lo `test -f 'revolver_ml_cit.c' || echo './'`revolver_ml_cit.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c revolver_ml_cit.c  -fPIC -DPIC -o .libs/libigraph_la-revolver_ml_cit.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cattributes.c -o libigraph_la-cattributes.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-zeroin.lo `test -f 'zeroin.c' || echo './'`zeroin.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-zeroin.lo `test -f 'zeroin.c' || echo './'`zeroin.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c zeroin.c  -fPIC -DPIC -o .libs/libigraph_la-zeroin.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c zeroin.c -o libigraph_la-zeroin.o >/dev/null 2>&1
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+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-bfgs.lo `test -f 'bfgs.c' || echo './'`bfgs.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c bfgs.c  -fPIC -DPIC -o .libs/libigraph_la-bfgs.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c revolver_ml_cit.c -o libigraph_la-revolver_ml_cit.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c bfgs.c -o libigraph_la-bfgs.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-math.lo `test -f 'math.c' || echo './'`math.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-forestfire.lo `test -f 'forestfire.c' || echo './'`forestfire.c
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c bliss_graph.cc -o libigraph_la-bliss_graph.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-math.lo `test -f 'math.c' || echo './'`math.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c math.c  -fPIC -DPIC -o .libs/libigraph_la-math.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c forestfire.c  -fPIC -DPIC -o .libs/libigraph_la-forestfire.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c math.c -o libigraph_la-math.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-microscopic_update.lo `test -f 'microscopic_update.c' || echo './'`microscopic_update.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c microscopic_update.c  -fPIC -DPIC -o .libs/libigraph_la-microscopic_update.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-forestfire.lo `test -f 'forestfire.c' || echo './'`forestfire.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cattributes.c -o libigraph_la-cattributes.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c forestfire.c  -fPIC -DPIC -o .libs/libigraph_la-forestfire.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c forestfire.c -o libigraph_la-forestfire.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-microscopic_update.lo `test -f 'microscopic_update.c' || echo './'`microscopic_update.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c microscopic_update.c  -fPIC -DPIC -o .libs/libigraph_la-microscopic_update.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c microscopic_update.c -o libigraph_la-microscopic_update.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-blas.lo `test -f 'blas.c' || echo './'`blas.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-blas.lo `test -f 'blas.c' || echo './'`blas.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c blas.c  -fPIC -DPIC -o .libs/libigraph_la-blas.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c revolver_ml_cit.c -o libigraph_la-revolver_ml_cit.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c blas.c -o libigraph_la-blas.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-arpack.lo `test -f 'arpack.c' || echo './'`arpack.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-arpack.lo `test -f 'arpack.c' || echo './'`arpack.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c arpack.c  -fPIC -DPIC -o .libs/libigraph_la-arpack.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-centrality.lo `test -f 'centrality.c' || echo './'`centrality.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-centrality.lo `test -f 'centrality.c' || echo './'`centrality.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c centrality.c  -fPIC -DPIC -o .libs/libigraph_la-centrality.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c arpack.c -o libigraph_la-arpack.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-drl_layout.lo `test -f 'drl_layout.cpp' || echo './'`drl_layout.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-drl_layout.lo `test -f 'drl_layout.cpp' || echo './'`drl_layout.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-drl_parse.lo `test -f 'drl_parse.cpp' || echo './'`drl_parse.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_layout.cpp  -fPIC -DPIC -o .libs/libigraph_la-drl_layout.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-drl_parse.lo `test -f 'drl_parse.cpp' || echo './'`drl_parse.cpp
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c centrality.c -o libigraph_la-centrality.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_parse.cpp  -fPIC -DPIC -o .libs/libigraph_la-drl_parse.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c centrality.c -o libigraph_la-centrality.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_parse.cpp -o libigraph_la-drl_parse.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_layout.cpp -o libigraph_la-drl_layout.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-drl_graph.lo `test -f 'drl_graph.cpp' || echo './'`drl_graph.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-drl_graph.lo `test -f 'drl_graph.cpp' || echo './'`drl_graph.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-DensityGrid.lo `test -f 'DensityGrid.cpp' || echo './'`DensityGrid.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_graph.cpp  -fPIC -DPIC -o .libs/libigraph_la-drl_graph.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-DensityGrid.lo `test -f 'DensityGrid.cpp' || echo './'`DensityGrid.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c DensityGrid.cpp  -fPIC -DPIC -o .libs/libigraph_la-DensityGrid.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_box_list.lo `test -f 'gengraph_box_list.cpp' || echo './'`gengraph_box_list.cpp
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_box_list.cpp  -fPIC -DPIC -o .libs/libigraph_la-gengraph_box_list.o
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_box_list.cpp -o libigraph_la-gengraph_box_list.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_degree_sequence.lo `test -f 'gengraph_degree_sequence.cpp' || echo './'`gengraph_degree_sequence.cpp
 DensityGrid.cpp: In member function 'void drl::DensityGrid::Init()':
 DensityGrid.cpp:79:20: warning: catching polymorphic type 'class std::bad_alloc' by value [-Wcatch-value=]
    catch (bad_alloc errora)
                     ^~~~~~
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_degree_sequence.cpp  -fPIC -DPIC -o .libs/libigraph_la-gengraph_degree_sequence.o
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_box_list.lo `test -f 'gengraph_box_list.cpp' || echo './'`gengraph_box_list.cpp
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_box_list.cpp  -fPIC -DPIC -o .libs/libigraph_la-gengraph_box_list.o
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_box_list.cpp -o libigraph_la-gengraph_box_list.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_degree_sequence.lo `test -f 'gengraph_degree_sequence.cpp' || echo './'`gengraph_degree_sequence.cpp
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_degree_sequence.cpp -o libigraph_la-gengraph_degree_sequence.o >/dev/null 2>&1
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_graph.cpp -o libigraph_la-drl_graph.o >/dev/null 2>&1
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+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_degree_sequence.cpp  -fPIC -DPIC -o .libs/libigraph_la-gengraph_degree_sequence.o
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_graph_molloy_hash.lo `test -f 'gengraph_graph_molloy_hash.cpp' || echo './'`gengraph_graph_molloy_hash.cpp
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+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_degree_sequence.cpp -o libigraph_la-gengraph_degree_sequence.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_graph_molloy_optimized.lo `test -f 'gengraph_graph_molloy_optimized.cpp' || echo './'`gengraph_graph_molloy_optimized.cpp
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+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_graph.cpp -o libigraph_la-drl_graph.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_mr-connected.lo `test -f 'gengraph_mr-connected.cpp' || echo './'`gengraph_mr-connected.cpp
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_graph_molloy_optimized.cpp -o libigraph_la-gengraph_graph_molloy_optimized.o >/dev/null 2>&1
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+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_powerlaw.lo `test -f 'gengraph_powerlaw.cpp' || echo './'`gengraph_powerlaw.cpp
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_random.cpp  -fPIC -DPIC -o .libs/libigraph_la-gengraph_random.o
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-gengraph_random.lo `test -f 'gengraph_random.cpp' || echo './'`gengraph_random.cpp
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_random.cpp -o libigraph_la-gengraph_random.o >/dev/null 2>&1
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_random.cpp  -fPIC -DPIC -o .libs/libigraph_la-gengraph_random.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-decomposition.lo `test -f 'decomposition.c' || echo './'`decomposition.c
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-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c decomposition.c -o libigraph_la-decomposition.o >/dev/null 2>&1
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+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-bipartite.lo `test -f 'bipartite.c' || echo './'`bipartite.c
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+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c decomposition.c -o libigraph_la-decomposition.o >/dev/null 2>&1
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_graph_molloy_optimized.cpp -o libigraph_la-gengraph_graph_molloy_optimized.o >/dev/null 2>&1
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c gengraph_random.cpp -o libigraph_la-gengraph_random.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-drl_layout_3d.lo `test -f 'drl_layout_3d.cpp' || echo './'`drl_layout_3d.cpp
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+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-drl_graph_3d.lo `test -f 'drl_graph_3d.cpp' || echo './'`drl_graph_3d.cpp
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_graph_3d.cpp  -fPIC -DPIC -o .libs/libigraph_la-drl_graph_3d.o
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_graph_3d.cpp  -fPIC -DPIC -o .libs/libigraph_la-drl_graph_3d.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-DensityGrid_3d.lo `test -f 'DensityGrid_3d.cpp' || echo './'`DensityGrid_3d.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-DensityGrid_3d.lo `test -f 'DensityGrid_3d.cpp' || echo './'`DensityGrid_3d.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c DensityGrid_3d.cpp  -fPIC -DPIC -o .libs/libigraph_la-DensityGrid_3d.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-dl-parser.lo `test -f 'foreign-dl-parser.c' || echo './'`foreign-dl-parser.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-dl-parser.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-dl-parser.o
 DensityGrid_3d.cpp: In member function 'void drl3d::DensityGrid::Init()':
 DensityGrid_3d.cpp:79:20: warning: catching polymorphic type 'class std::bad_alloc' by value [-Wcatch-value=]
    catch (bad_alloc errora)
                     ^~~~~~
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-dl-parser.lo `test -f 'foreign-dl-parser.c' || echo './'`foreign-dl-parser.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-dl-parser.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-dl-parser.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-dl-parser.c -o libigraph_la-foreign-dl-parser.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-dl-lexer.lo `test -f 'foreign-dl-lexer.c' || echo './'`foreign-dl-lexer.c
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c DensityGrid_3d.cpp -o libigraph_la-DensityGrid_3d.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-dl-lexer.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-dl-lexer.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-dl-lexer.c -o libigraph_la-foreign-dl-lexer.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-foreign-dl-lexer.lo `test -f 'foreign-dl-lexer.c' || echo './'`foreign-dl-lexer.c
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c drl_graph_3d.cpp -o libigraph_la-drl_graph_3d.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-sparsemat.lo `test -f 'sparsemat.c' || echo './'`sparsemat.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-mixing.lo `test -f 'mixing.c' || echo './'`mixing.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-dl-lexer.c  -fPIC -DPIC -o .libs/libigraph_la-foreign-dl-lexer.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-sparsemat.lo `test -f 'sparsemat.c' || echo './'`sparsemat.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sparsemat.c  -fPIC -DPIC -o .libs/libigraph_la-sparsemat.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c foreign-dl-lexer.c -o libigraph_la-foreign-dl-lexer.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-mixing.lo `test -f 'mixing.c' || echo './'`mixing.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c mixing.c  -fPIC -DPIC -o .libs/libigraph_la-mixing.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c mixing.c -o libigraph_la-mixing.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-bigint.lo `test -f 'bigint.c' || echo './'`bigint.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-bigint.lo `test -f 'bigint.c' || echo './'`bigint.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c bigint.c  -fPIC -DPIC -o .libs/libigraph_la-bigint.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sparsemat.c -o libigraph_la-sparsemat.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c bigint.c -o libigraph_la-bigint.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-bignum.lo `test -f 'bignum.c' || echo './'`bignum.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-bignum.lo `test -f 'bignum.c' || echo './'`bignum.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c bignum.c  -fPIC -DPIC -o .libs/libigraph_la-bignum.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-version.lo `test -f 'version.c' || echo './'`version.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sparsemat.c -o libigraph_la-sparsemat.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c bignum.c -o libigraph_la-bignum.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-version.lo `test -f 'version.c' || echo './'`version.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c version.c  -fPIC -DPIC -o .libs/libigraph_la-version.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c bigint.c -o libigraph_la-bigint.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c version.c -o libigraph_la-version.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-optimal_modularity.lo `test -f 'optimal_modularity.c' || echo './'`optimal_modularity.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-optimal_modularity.lo `test -f 'optimal_modularity.c' || echo './'`optimal_modularity.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c optimal_modularity.c  -fPIC -DPIC -o .libs/libigraph_la-optimal_modularity.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_fixed_vectorlist.lo `test -f 'igraph_fixed_vectorlist.c' || echo './'`igraph_fixed_vectorlist.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c bignum.c -o libigraph_la-bignum.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_fixed_vectorlist.lo `test -f 'igraph_fixed_vectorlist.c' || echo './'`igraph_fixed_vectorlist.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-separators.lo `test -f 'separators.c' || echo './'`separators.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_fixed_vectorlist.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_fixed_vectorlist.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c optimal_modularity.c -o libigraph_la-optimal_modularity.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_fixed_vectorlist.c -o libigraph_la-igraph_fixed_vectorlist.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-separators.lo `test -f 'separators.c' || echo './'`separators.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c separators.c  -fPIC -DPIC -o .libs/libigraph_la-separators.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_marked_queue.lo `test -f 'igraph_marked_queue.c' || echo './'`igraph_marked_queue.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_fixed_vectorlist.c -o libigraph_la-igraph_fixed_vectorlist.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c optimal_modularity.c -o libigraph_la-optimal_modularity.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_marked_queue.lo `test -f 'igraph_marked_queue.c' || echo './'`igraph_marked_queue.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_marked_queue.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_marked_queue.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_estack.lo `test -f 'igraph_estack.c' || echo './'`igraph_estack.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-igraph_estack.lo `test -f 'igraph_estack.c' || echo './'`igraph_estack.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_marked_queue.c -o libigraph_la-igraph_marked_queue.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_estack.c  -fPIC -DPIC -o .libs/libigraph_la-igraph_estack.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-st-cuts.lo `test -f 'st-cuts.c' || echo './'`st-cuts.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_estack.c -o libigraph_la-igraph_estack.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-st-cuts.lo `test -f 'st-cuts.c' || echo './'`st-cuts.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c separators.c -o libigraph_la-separators.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cohesive_blocks.lo `test -f 'cohesive_blocks.c' || echo './'`cohesive_blocks.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c st-cuts.c  -fPIC -DPIC -o .libs/libigraph_la-st-cuts.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-cohesive_blocks.lo `test -f 'cohesive_blocks.c' || echo './'`cohesive_blocks.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c igraph_estack.c -o libigraph_la-igraph_estack.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cohesive_blocks.c  -fPIC -DPIC -o .libs/libigraph_la-cohesive_blocks.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c separators.c -o libigraph_la-separators.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cohesive_blocks.c -o libigraph_la-cohesive_blocks.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-statusbar.lo `test -f 'statusbar.c' || echo './'`statusbar.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-statusbar.lo `test -f 'statusbar.c' || echo './'`statusbar.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c statusbar.c  -fPIC -DPIC -o .libs/libigraph_la-statusbar.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c statusbar.c -o libigraph_la-statusbar.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-lapack.lo `test -f 'lapack.c' || echo './'`lapack.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-lapack.lo `test -f 'lapack.c' || echo './'`lapack.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cohesive_blocks.c -o libigraph_la-cohesive_blocks.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c lapack.c  -fPIC -DPIC -o .libs/libigraph_la-lapack.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c st-cuts.c -o libigraph_la-st-cuts.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-complex.lo `test -f 'complex.c' || echo './'`complex.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-complex.lo `test -f 'complex.c' || echo './'`complex.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c complex.c  -fPIC -DPIC -o .libs/libigraph_la-complex.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c st-cuts.c -o libigraph_la-st-cuts.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-eigen.lo `test -f 'eigen.c' || echo './'`eigen.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c lapack.c -o libigraph_la-lapack.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c complex.c -o libigraph_la-complex.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-eigen.lo `test -f 'eigen.c' || echo './'`eigen.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c eigen.c  -fPIC -DPIC -o .libs/libigraph_la-eigen.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-feedback_arc_set.lo `test -f 'feedback_arc_set.c' || echo './'`feedback_arc_set.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-feedback_arc_set.lo `test -f 'feedback_arc_set.c' || echo './'`feedback_arc_set.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-sugiyama.lo `test -f 'sugiyama.c' || echo './'`sugiyama.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c feedback_arc_set.c  -fPIC -DPIC -o .libs/libigraph_la-feedback_arc_set.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-sugiyama.lo `test -f 'sugiyama.c' || echo './'`sugiyama.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sugiyama.c  -fPIC -DPIC -o .libs/libigraph_la-sugiyama.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c feedback_arc_set.c -o libigraph_la-feedback_arc_set.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-glpk_support.lo `test -f 'glpk_support.c' || echo './'`glpk_support.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c eigen.c -o libigraph_la-eigen.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-glpk_support.lo `test -f 'glpk_support.c' || echo './'`glpk_support.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c glpk_support.c  -fPIC -DPIC -o .libs/libigraph_la-glpk_support.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sugiyama.c -o libigraph_la-sugiyama.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c glpk_support.c -o libigraph_la-glpk_support.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-igraph_hrg_types.lo `test -f 'igraph_hrg_types.cc' || echo './'`igraph_hrg_types.cc
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-igraph_hrg.lo `test -f 'igraph_hrg.cc' || echo './'`igraph_hrg.cc
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c feedback_arc_set.c -o libigraph_la-feedback_arc_set.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-igraph_hrg_types.lo `test -f 'igraph_hrg_types.cc' || echo './'`igraph_hrg_types.cc
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c igraph_hrg_types.cc  -fPIC -DPIC -o .libs/libigraph_la-igraph_hrg_types.o
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-igraph_hrg.lo `test -f 'igraph_hrg.cc' || echo './'`igraph_hrg.cc
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sugiyama.c -o libigraph_la-sugiyama.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c igraph_hrg.cc  -fPIC -DPIC -o .libs/libigraph_la-igraph_hrg.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-distances.lo `test -f 'distances.c' || echo './'`distances.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-distances.lo `test -f 'distances.c' || echo './'`distances.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c distances.c  -fPIC -DPIC -o .libs/libigraph_la-distances.o
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c igraph_hrg.cc -o libigraph_la-igraph_hrg.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c distances.c -o libigraph_la-distances.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-fortran_intrinsics.lo `test -f 'fortran_intrinsics.c' || echo './'`fortran_intrinsics.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-fortran_intrinsics.lo `test -f 'fortran_intrinsics.c' || echo './'`fortran_intrinsics.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c fortran_intrinsics.c  -fPIC -DPIC -o .libs/libigraph_la-fortran_intrinsics.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c fortran_intrinsics.c -o libigraph_la-fortran_intrinsics.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-matching.lo `test -f 'matching.c' || echo './'`matching.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-matching.lo `test -f 'matching.c' || echo './'`matching.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c matching.c  -fPIC -DPIC -o .libs/libigraph_la-matching.o
 matching.c: In function 'igraph_i_maximum_bipartite_matching_weighted':
 matching.c:634:22: warning: variable 'min_slack_u' set but not used [-Wunused-but-set-variable]
      igraph_integer_t min_slack_u, min_slack_v;
                       ^~~~~~~~~~~
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg.lo `test -f 'scg.c' || echo './'`scg.c
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c igraph_hrg.cc -o libigraph_la-igraph_hrg.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg.lo `test -f 'scg.c' || echo './'`scg.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg.c  -fPIC -DPIC -o .libs/libigraph_la-scg.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c matching.c -o libigraph_la-matching.o >/dev/null 2>&1
 scg.c: In function 'igraph_scg_norm_eps':
 scg.c:901:7: warning: variable 'no_of_groups' set but not used [-Wunused-but-set-variable]
    int no_of_groups;
        ^~~~~~~~~~~~
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c matching.c -o libigraph_la-matching.o >/dev/null 2>&1
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c igraph_hrg_types.cc -o libigraph_la-igraph_hrg_types.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_approximate_methods.lo `test -f 'scg_approximate_methods.c' || echo './'`scg_approximate_methods.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_approximate_methods.lo `test -f 'scg_approximate_methods.c' || echo './'`scg_approximate_methods.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_approximate_methods.c  -fPIC -DPIC -o .libs/libigraph_la-scg_approximate_methods.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_approximate_methods.c -o libigraph_la-scg_approximate_methods.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_exact_scg.lo `test -f 'scg_exact_scg.c' || echo './'`scg_exact_scg.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_exact_scg.lo `test -f 'scg_exact_scg.c' || echo './'`scg_exact_scg.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_exact_scg.c  -fPIC -DPIC -o .libs/libigraph_la-scg_exact_scg.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg.c -o libigraph_la-scg.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_approximate_methods.c -o libigraph_la-scg_approximate_methods.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_exact_scg.c -o libigraph_la-scg_exact_scg.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_kmeans.lo `test -f 'scg_kmeans.c' || echo './'`scg_kmeans.c
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c igraph_hrg_types.cc -o libigraph_la-igraph_hrg_types.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_kmeans.lo `test -f 'scg_kmeans.c' || echo './'`scg_kmeans.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_utils.lo `test -f 'scg_utils.c' || echo './'`scg_utils.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_kmeans.c  -fPIC -DPIC -o .libs/libigraph_la-scg_kmeans.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_kmeans.c -o libigraph_la-scg_kmeans.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_utils.lo `test -f 'scg_utils.c' || echo './'`scg_utils.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_utils.c  -fPIC -DPIC -o .libs/libigraph_la-scg_utils.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_kmeans.c -o libigraph_la-scg_kmeans.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_utils.c -o libigraph_la-scg_utils.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_optimal_method.lo `test -f 'scg_optimal_method.c' || echo './'`scg_optimal_method.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg.c -o libigraph_la-scg.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-scg_optimal_method.lo `test -f 'scg_optimal_method.c' || echo './'`scg_optimal_method.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-qsort.lo `test -f 'qsort.c' || echo './'`qsort.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_optimal_method.c  -fPIC -DPIC -o .libs/libigraph_la-scg_optimal_method.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_optimal_method.c -o libigraph_la-scg_optimal_method.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-qsort.lo `test -f 'qsort.c' || echo './'`qsort.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-qsort_r.lo `test -f 'qsort_r.c' || echo './'`qsort_r.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c qsort.c  -fPIC -DPIC -o .libs/libigraph_la-qsort.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c qsort_r.c  -fPIC -DPIC -o .libs/libigraph_la-qsort_r.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c scg_optimal_method.c -o libigraph_la-scg_optimal_method.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c qsort.c -o libigraph_la-qsort.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c qsort_r.c -o libigraph_la-qsort_r.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-types.lo `test -f 'types.c' || echo './'`types.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-lad.lo `test -f 'lad.c' || echo './'`lad.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-qsort_r.lo `test -f 'qsort_r.c' || echo './'`qsort_r.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-types.lo `test -f 'types.c' || echo './'`types.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c qsort_r.c  -fPIC -DPIC -o .libs/libigraph_la-qsort_r.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c types.c  -fPIC -DPIC -o .libs/libigraph_la-types.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c types.c -o libigraph_la-types.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c qsort_r.c -o libigraph_la-qsort_r.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-lad.lo `test -f 'lad.c' || echo './'`lad.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c lad.c  -fPIC -DPIC -o .libs/libigraph_la-lad.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-hacks.lo `test -f 'hacks.c' || echo './'`hacks.c
 lad.c: In function 'igraph_i_lad_initDomains':
 lad.c:486:20: warning: unused variable 'Gt_vneis' [-Wunused-variable]
    igraph_vector_t *Gt_vneis;
@@ -1321,41 +1357,39 @@
 lad.c:660:28: warning: variable 'w' set but not used [-Wunused-but-set-variable]
    int i, j, k, stop, u, v, w;
                             ^
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c types.c -o libigraph_la-types.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-hacks.lo `test -f 'hacks.c' || echo './'`hacks.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c hacks.c  -fPIC -DPIC -o .libs/libigraph_la-hacks.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-triangles.lo `test -f 'triangles.c' || echo './'`triangles.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c hacks.c -o libigraph_la-hacks.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-triangles.lo `test -f 'triangles.c' || echo './'`triangles.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c triangles.c  -fPIC -DPIC -o .libs/libigraph_la-triangles.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-glet.lo `test -f 'glet.c' || echo './'`glet.c
 In file included from triangles.c:516:
 triangles.c: In function 'igraph_adjacent_triangles4':
 triangles_template.h:29:30: warning: variable 'deg1' set but not used [-Wunused-but-set-variable]
    long int neilen1, neilen2, deg1;
                               ^~~~
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-glet.lo `test -f 'glet.c' || echo './'`glet.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c glet.c  -fPIC -DPIC -o .libs/libigraph_la-glet.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c glet.c -o libigraph_la-glet.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c lad.c -o libigraph_la-lad.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c triangles.c -o libigraph_la-triangles.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-maximal_cliques.lo `test -f 'maximal_cliques.c' || echo './'`maximal_cliques.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c lad.c -o libigraph_la-lad.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-maximal_cliques.lo `test -f 'maximal_cliques.c' || echo './'`maximal_cliques.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c maximal_cliques.c  -fPIC -DPIC -o .libs/libigraph_la-maximal_cliques.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-sbm.lo `test -f 'sbm.c' || echo './'`sbm.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-sbm.lo `test -f 'sbm.c' || echo './'`sbm.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sbm.c  -fPIC -DPIC -o .libs/libigraph_la-sbm.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-sir.lo `test -f 'sir.c' || echo './'`sir.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c maximal_cliques.c -o libigraph_la-maximal_cliques.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sbm.c -o libigraph_la-sbm.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o libigraph_la-sir.lo `test -f 'sir.c' || echo './'`sir.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sir.c  -fPIC -DPIC -o .libs/libigraph_la-sir.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-prpack.lo `test -f 'prpack.cpp' || echo './'`prpack.cpp
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sir.c -o libigraph_la-sir.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o libigraph_la-prpack.lo `test -f 'prpack.cpp' || echo './'`prpack.cpp
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c maximal_cliques.c -o libigraph_la-maximal_cliques.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack.cpp  -fPIC -DPIC -o .libs/libigraph_la-prpack.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c sir.c -o libigraph_la-sir.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_add.lo `test -f 'cs/cs_add.c' || echo './'`cs/cs_add.c
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack.cpp -o libigraph_la-prpack.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_add.lo `test -f 'cs/cs_add.c' || echo './'`cs/cs_add.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_add.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_add.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_happly.lo `test -f 'cs/cs_happly.c' || echo './'`cs/cs_happly.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_add.c -o cs/libigraph_la-cs_add.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_happly.lo `test -f 'cs/cs_happly.c' || echo './'`cs/cs_happly.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_pvec.lo `test -f 'cs/cs_pvec.c' || echo './'`cs/cs_pvec.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_happly.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_happly.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_amd.lo `test -f 'cs/cs_amd.c' || echo './'`cs/cs_amd.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_pvec.lo `test -f 'cs/cs_pvec.c' || echo './'`cs/cs_pvec.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_amd.lo `test -f 'cs/cs_amd.c' || echo './'`cs/cs_amd.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_pvec.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_pvec.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_amd.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_amd.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_happly.c -o cs/libigraph_la-cs_happly.o >/dev/null 2>&1
@@ -1366,9 +1400,10 @@
  #pragma clang diagnostic ignored "-Wsign-conversion"
  
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_pvec.c -o cs/libigraph_la-cs_pvec.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_house.lo `test -f 'cs/cs_house.c' || echo './'`cs/cs_house.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_qr.lo `test -f 'cs/cs_qr.c' || echo './'`cs/cs_qr.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_house.lo `test -f 'cs/cs_house.c' || echo './'`cs/cs_house.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_qr.lo `test -f 'cs/cs_qr.c' || echo './'`cs/cs_qr.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_house.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_house.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_chol.lo `test -f 'cs/cs_chol.c' || echo './'`cs/cs_chol.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_qr.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_qr.o
 cs/cs_qr.c:21: warning: ignoring #pragma clang diagnostic [-Wunknown-pragmas]
  #pragma clang diagnostic ignored "-Wconversion"
@@ -1378,202 +1413,201 @@
 cs/cs_qr.c:29:21: warning: variable 'm' set but not used [-Wunused-but-set-variable]
      CS_INT i, k, p, m, n, vnz, p1, top, m2, len, col, rnz, *s, *leftmost, *Ap, *Ai,
                      ^
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_chol.lo `test -f 'cs/cs_chol.c' || echo './'`cs/cs_chol.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_qr.c -o cs/libigraph_la-cs_qr.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_chol.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_chol.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_amd.c -o cs/libigraph_la-cs_amd.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_chol.c -o cs/libigraph_la-cs_chol.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_ipvec.lo `test -f 'cs/cs_ipvec.c' || echo './'`cs/cs_ipvec.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_ipvec.lo `test -f 'cs/cs_ipvec.c' || echo './'`cs/cs_ipvec.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_qr.c -o cs/libigraph_la-cs_qr.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_ipvec.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_ipvec.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_qrsol.lo `test -f 'cs/cs_qrsol.c' || echo './'`cs/cs_qrsol.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_chol.c -o cs/libigraph_la-cs_chol.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_ipvec.c -o cs/libigraph_la-cs_ipvec.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_qrsol.lo `test -f 'cs/cs_qrsol.c' || echo './'`cs/cs_qrsol.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_cholsol.lo `test -f 'cs/cs_cholsol.c' || echo './'`cs/cs_cholsol.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_leaf.lo `test -f 'cs/cs_leaf.c' || echo './'`cs/cs_leaf.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_qrsol.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_qrsol.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_cholsol.lo `test -f 'cs/cs_cholsol.c' || echo './'`cs/cs_cholsol.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_qrsol.c -o cs/libigraph_la-cs_qrsol.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_amd.c -o cs/libigraph_la-cs_amd.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_cholsol.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_cholsol.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_leaf.lo `test -f 'cs/cs_leaf.c' || echo './'`cs/cs_leaf.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_cholsol.c -o cs/libigraph_la-cs_cholsol.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_leaf.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_leaf.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_randperm.lo `test -f 'cs/cs_randperm.c' || echo './'`cs/cs_randperm.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_compress.lo `test -f 'cs/cs_compress.c' || echo './'`cs/cs_compress.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_qrsol.c -o cs/libigraph_la-cs_qrsol.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_cholsol.c -o cs/libigraph_la-cs_cholsol.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_leaf.c -o cs/libigraph_la-cs_leaf.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_randperm.lo `test -f 'cs/cs_randperm.c' || echo './'`cs/cs_randperm.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_compress.lo `test -f 'cs/cs_compress.c' || echo './'`cs/cs_compress.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_load.lo `test -f 'cs/cs_load.c' || echo './'`cs/cs_load.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_randperm.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_randperm.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_compress.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_compress.o
 cs/cs_randperm.c:21: warning: ignoring #pragma clang diagnostic [-Wunknown-pragmas]
  #pragma clang diagnostic ignored "-Wsign-conversion"
  
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_compress.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_compress.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_load.lo `test -f 'cs/cs_load.c' || echo './'`cs/cs_load.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_randperm.c -o cs/libigraph_la-cs_randperm.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_compress.c -o cs/libigraph_la-cs_compress.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_load.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_load.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_reach.lo `test -f 'cs/cs_reach.c' || echo './'`cs/cs_reach.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_compress.c -o cs/libigraph_la-cs_compress.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_randperm.c -o cs/libigraph_la-cs_randperm.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_load.c -o cs/libigraph_la-cs_load.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_counts.lo `test -f 'cs/cs_counts.c' || echo './'`cs/cs_counts.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_reach.lo `test -f 'cs/cs_reach.c' || echo './'`cs/cs_reach.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_counts.lo `test -f 'cs/cs_counts.c' || echo './'`cs/cs_counts.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_lsolve.lo `test -f 'cs/cs_lsolve.c' || echo './'`cs/cs_lsolve.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_reach.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_reach.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_counts.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_counts.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_lsolve.lo `test -f 'cs/cs_lsolve.c' || echo './'`cs/cs_lsolve.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_reach.c -o cs/libigraph_la-cs_reach.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_scatter.lo `test -f 'cs/cs_scatter.c' || echo './'`cs/cs_scatter.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_lsolve.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_lsolve.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_scatter.lo `test -f 'cs/cs_scatter.c' || echo './'`cs/cs_scatter.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_reach.c -o cs/libigraph_la-cs_reach.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_lsolve.c -o cs/libigraph_la-cs_lsolve.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_counts.c -o cs/libigraph_la-cs_counts.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_scatter.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_scatter.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_cumsum.lo `test -f 'cs/cs_cumsum.c' || echo './'`cs/cs_cumsum.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_cumsum.lo `test -f 'cs/cs_cumsum.c' || echo './'`cs/cs_cumsum.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_counts.c -o cs/libigraph_la-cs_counts.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_ltsolve.lo `test -f 'cs/cs_ltsolve.c' || echo './'`cs/cs_ltsolve.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_scatter.c -o cs/libigraph_la-cs_scatter.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_cumsum.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_cumsum.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_ltsolve.lo `test -f 'cs/cs_ltsolve.c' || echo './'`cs/cs_ltsolve.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_scc.lo `test -f 'cs/cs_scc.c' || echo './'`cs/cs_scc.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_cumsum.c -o cs/libigraph_la-cs_cumsum.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_ltsolve.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_ltsolve.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_scc.lo `test -f 'cs/cs_scc.c' || echo './'`cs/cs_scc.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_scc.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_scc.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_dfs.lo `test -f 'cs/cs_dfs.c' || echo './'`cs/cs_dfs.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_cumsum.c -o cs/libigraph_la-cs_cumsum.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_scc.c -o cs/libigraph_la-cs_scc.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_ltsolve.c -o cs/libigraph_la-cs_ltsolve.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_dfs.lo `test -f 'cs/cs_dfs.c' || echo './'`cs/cs_dfs.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_lu.lo `test -f 'cs/cs_lu.c' || echo './'`cs/cs_lu.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dfs.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_dfs.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_scc.c -o cs/libigraph_la-cs_scc.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_lu.lo `test -f 'cs/cs_lu.c' || echo './'`cs/cs_lu.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dfs.c -o cs/libigraph_la-cs_dfs.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_schol.lo `test -f 'cs/cs_schol.c' || echo './'`cs/cs_schol.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_dmperm.lo `test -f 'cs/cs_dmperm.c' || echo './'`cs/cs_dmperm.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_lu.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_lu.o
 cs/cs_lu.c:21: warning: ignoring #pragma clang diagnostic [-Wunknown-pragmas]
  #pragma clang diagnostic ignored "-Wconversion"
  
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_schol.lo `test -f 'cs/cs_schol.c' || echo './'`cs/cs_schol.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_dmperm.lo `test -f 'cs/cs_dmperm.c' || echo './'`cs/cs_dmperm.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_schol.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_schol.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dfs.c -o cs/libigraph_la-cs_dfs.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dmperm.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_dmperm.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_lu.c -o cs/libigraph_la-cs_lu.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_schol.c -o cs/libigraph_la-cs_schol.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_lusol.lo `test -f 'cs/cs_lusol.c' || echo './'`cs/cs_lusol.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_spsolve.lo `test -f 'cs/cs_spsolve.c' || echo './'`cs/cs_spsolve.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_lusol.lo `test -f 'cs/cs_lusol.c' || echo './'`cs/cs_lusol.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_lu.c -o cs/libigraph_la-cs_lu.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_spsolve.lo `test -f 'cs/cs_spsolve.c' || echo './'`cs/cs_spsolve.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_lusol.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_lusol.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dmperm.c -o cs/libigraph_la-cs_dmperm.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_spsolve.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_spsolve.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_lusol.c -o cs/libigraph_la-cs_lusol.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_droptol.lo `test -f 'cs/cs_droptol.c' || echo './'`cs/cs_droptol.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_droptol.lo `test -f 'cs/cs_droptol.c' || echo './'`cs/cs_droptol.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_spsolve.c -o cs/libigraph_la-cs_spsolve.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_malloc.lo `test -f 'cs/cs_malloc.c' || echo './'`cs/cs_malloc.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_droptol.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_droptol.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_malloc.lo `test -f 'cs/cs_malloc.c' || echo './'`cs/cs_malloc.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_sqr.lo `test -f 'cs/cs_sqr.c' || echo './'`cs/cs_sqr.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_droptol.c -o cs/libigraph_la-cs_droptol.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_malloc.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_malloc.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_sqr.lo `test -f 'cs/cs_sqr.c' || echo './'`cs/cs_sqr.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_dropzeros.lo `test -f 'cs/cs_dropzeros.c' || echo './'`cs/cs_dropzeros.c
 cs/cs_malloc.c:21: warning: ignoring #pragma clang diagnostic [-Wunknown-pragmas]
  #pragma clang diagnostic ignored "-Wsign-conversion"
  
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_droptol.c -o cs/libigraph_la-cs_droptol.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_sqr.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_sqr.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_dropzeros.lo `test -f 'cs/cs_dropzeros.c' || echo './'`cs/cs_dropzeros.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_malloc.c -o cs/libigraph_la-cs_malloc.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dropzeros.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_dropzeros.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_maxtrans.lo `test -f 'cs/cs_maxtrans.c' || echo './'`cs/cs_maxtrans.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_malloc.c -o cs/libigraph_la-cs_malloc.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_maxtrans.lo `test -f 'cs/cs_maxtrans.c' || echo './'`cs/cs_maxtrans.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dropzeros.c -o cs/libigraph_la-cs_dropzeros.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_sqr.c -o cs/libigraph_la-cs_sqr.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_maxtrans.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_maxtrans.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_symperm.lo `test -f 'cs/cs_symperm.c' || echo './'`cs/cs_symperm.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_symperm.lo `test -f 'cs/cs_symperm.c' || echo './'`cs/cs_symperm.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_dupl.lo `test -f 'cs/cs_dupl.c' || echo './'`cs/cs_dupl.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_symperm.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_symperm.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_dupl.lo `test -f 'cs/cs_dupl.c' || echo './'`cs/cs_dupl.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_maxtrans.c -o cs/libigraph_la-cs_maxtrans.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_symperm.c -o cs/libigraph_la-cs_symperm.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_sqr.c -o cs/libigraph_la-cs_sqr.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dupl.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_dupl.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_symperm.c -o cs/libigraph_la-cs_symperm.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_maxtrans.c -o cs/libigraph_la-cs_maxtrans.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_dupl.c -o cs/libigraph_la-cs_dupl.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_multiply.lo `test -f 'cs/cs_multiply.c' || echo './'`cs/cs_multiply.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_multiply.lo `test -f 'cs/cs_multiply.c' || echo './'`cs/cs_multiply.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_tdfs.lo `test -f 'cs/cs_tdfs.c' || echo './'`cs/cs_tdfs.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_multiply.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_multiply.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_tdfs.lo `test -f 'cs/cs_tdfs.c' || echo './'`cs/cs_tdfs.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_entry.lo `test -f 'cs/cs_entry.c' || echo './'`cs/cs_entry.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_entry.lo `test -f 'cs/cs_entry.c' || echo './'`cs/cs_entry.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_tdfs.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_tdfs.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_entry.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_entry.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_multiply.c -o cs/libigraph_la-cs_multiply.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_norm.lo `test -f 'cs/cs_norm.c' || echo './'`cs/cs_norm.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_tdfs.c -o cs/libigraph_la-cs_tdfs.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_multiply.c -o cs/libigraph_la-cs_multiply.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_entry.c -o cs/libigraph_la-cs_entry.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_norm.lo `test -f 'cs/cs_norm.c' || echo './'`cs/cs_norm.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_transpose.lo `test -f 'cs/cs_transpose.c' || echo './'`cs/cs_transpose.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_ereach.lo `test -f 'cs/cs_ereach.c' || echo './'`cs/cs_ereach.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_norm.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_norm.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_transpose.lo `test -f 'cs/cs_transpose.c' || echo './'`cs/cs_transpose.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_ereach.lo `test -f 'cs/cs_ereach.c' || echo './'`cs/cs_ereach.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_norm.c -o cs/libigraph_la-cs_norm.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_permute.lo `test -f 'cs/cs_permute.c' || echo './'`cs/cs_permute.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_transpose.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_transpose.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_ereach.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_ereach.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_norm.c -o cs/libigraph_la-cs_norm.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_transpose.c -o cs/libigraph_la-cs_transpose.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_ereach.c -o cs/libigraph_la-cs_ereach.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_permute.lo `test -f 'cs/cs_permute.c' || echo './'`cs/cs_permute.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_updown.lo `test -f 'cs/cs_updown.c' || echo './'`cs/cs_updown.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_updown.lo `test -f 'cs/cs_updown.c' || echo './'`cs/cs_updown.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_permute.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_permute.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_etree.lo `test -f 'cs/cs_etree.c' || echo './'`cs/cs_etree.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_transpose.c -o cs/libigraph_la-cs_transpose.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_updown.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_updown.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_etree.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_etree.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_ereach.c -o cs/libigraph_la-cs_ereach.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_permute.c -o cs/libigraph_la-cs_permute.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_updown.c -o cs/libigraph_la-cs_updown.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_etree.c -o cs/libigraph_la-cs_etree.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_pinv.lo `test -f 'cs/cs_pinv.c' || echo './'`cs/cs_pinv.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_etree.lo `test -f 'cs/cs_etree.c' || echo './'`cs/cs_etree.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_pinv.lo `test -f 'cs/cs_pinv.c' || echo './'`cs/cs_pinv.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_pinv.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_pinv.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_usolve.lo `test -f 'cs/cs_usolve.c' || echo './'`cs/cs_usolve.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_fkeep.lo `test -f 'cs/cs_fkeep.c' || echo './'`cs/cs_fkeep.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_etree.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_etree.o
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_usolve.lo `test -f 'cs/cs_usolve.c' || echo './'`cs/cs_usolve.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_fkeep.lo `test -f 'cs/cs_fkeep.c' || echo './'`cs/cs_fkeep.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_pinv.c -o cs/libigraph_la-cs_pinv.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_usolve.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_usolve.o
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_etree.c -o cs/libigraph_la-cs_etree.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_fkeep.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_fkeep.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_post.lo `test -f 'cs/cs_post.c' || echo './'`cs/cs_post.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_post.lo `test -f 'cs/cs_post.c' || echo './'`cs/cs_post.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_usolve.c -o cs/libigraph_la-cs_usolve.o >/dev/null 2>&1
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_fkeep.c -o cs/libigraph_la-cs_fkeep.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_util.lo `test -f 'cs/cs_util.c' || echo './'`cs/cs_util.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_post.c  -fPIC -DPIC -o cs/.libs/libigraph_la-cs_post.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_util.lo `test -f 'cs/cs_util.c' || echo './'`cs/cs_util.c
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_gaxpy.lo `test -f 'cs/cs_gaxpy.c' || echo './'`cs/cs_gaxpy.c
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_post.c -o cs/libigraph_la-cs_post.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_gaxpy.lo `test -f 'cs/cs_gaxpy.c' || echo './'`cs/cs_gaxpy.c
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+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_print.lo `test -f 'cs/cs_print.c' || echo './'`cs/cs_print.c
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_post.c -o cs/libigraph_la-cs_post.o >/dev/null 2>&1
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-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_gaxpy.c -o cs/libigraph_la-cs_gaxpy.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_util.c -o cs/libigraph_la-cs_util.o >/dev/null 2>&1
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+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_util.c -o cs/libigraph_la-cs_util.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c cs/cs_gaxpy.c -o cs/libigraph_la-cs_gaxpy.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o cs/libigraph_la-cs_utsolve.lo `test -f 'cs/cs_utsolve.c' || echo './'`cs/cs_utsolve.c
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+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_base_graph.lo `test -f 'prpack/prpack_base_graph.cpp' || echo './'`prpack/prpack_base_graph.cpp
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+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_igraph_graph.lo `test -f 'prpack/prpack_igraph_graph.cpp' || echo './'`prpack/prpack_igraph_graph.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_preprocessed_ge_graph.lo `test -f 'prpack/prpack_preprocessed_ge_graph.cpp' || echo './'`prpack/prpack_preprocessed_ge_graph.cpp
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+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_preprocessed_gs_graph.lo `test -f 'prpack/prpack_preprocessed_gs_graph.cpp' || echo './'`prpack/prpack_preprocessed_gs_graph.cpp
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_preprocessed_gs_graph.cpp  -fPIC -DPIC -o prpack/.libs/libprpack_la-prpack_preprocessed_gs_graph.o
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_preprocessed_gs_graph.cpp  -fPIC -DPIC -o prpack/.libs/libprpack_la-prpack_preprocessed_gs_graph.o
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_preprocessed_scc_graph.cpp  -fPIC -DPIC -o prpack/.libs/libprpack_la-prpack_preprocessed_scc_graph.o
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_preprocessed_scc_graph.lo `test -f 'prpack/prpack_preprocessed_scc_graph.cpp' || echo './'`prpack/prpack_preprocessed_scc_graph.cpp
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_preprocessed_scc_graph.cpp -o prpack/libprpack_la-prpack_preprocessed_scc_graph.o >/dev/null 2>&1
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_base_graph.cpp -o prpack/libprpack_la-prpack_base_graph.o >/dev/null 2>&1
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+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_preprocessed_scc_graph.cpp  -fPIC -DPIC -o prpack/.libs/libprpack_la-prpack_preprocessed_scc_graph.o
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-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_preprocessed_schur_graph.cpp -o prpack/libprpack_la-prpack_preprocessed_schur_graph.o >/dev/null 2>&1
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+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_base_graph.cpp -o prpack/libprpack_la-prpack_base_graph.o >/dev/null 2>&1
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_preprocessed_schur_graph.cpp -o prpack/libprpack_la-prpack_preprocessed_schur_graph.o >/dev/null 2>&1
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_preprocessed_scc_graph.cpp -o prpack/libprpack_la-prpack_preprocessed_scc_graph.o >/dev/null 2>&1
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_result.cpp -o prpack/libprpack_la-prpack_result.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_solver.lo `test -f 'prpack/prpack_solver.cpp' || echo './'`prpack/prpack_solver.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_solver.lo `test -f 'prpack/prpack_solver.cpp' || echo './'`prpack/prpack_solver.cpp
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_solver.cpp  -fPIC -DPIC -o prpack/.libs/libprpack_la-prpack_solver.o
-/bin/bash ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_utils.lo `test -f 'prpack/prpack_utils.cpp' || echo './'`prpack/prpack_utils.cpp
+/bin/sh ../libtool  --tag=CXX   --mode=compile g++ -DHAVE_CONFIG_H -I. -I..  -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c -o prpack/libprpack_la-prpack_utils.lo `test -f 'prpack/prpack_utils.cpp' || echo './'`prpack/prpack_utils.cpp
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/error.lo plfit/error.c
 libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_utils.cpp  -fPIC -DPIC -o prpack/.libs/libprpack_la-prpack_utils.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/error.lo plfit/error.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/error.c  -fPIC -DPIC -o plfit/.libs/error.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/error.c -o plfit/error.o >/dev/null 2>&1
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_utils.cpp -o prpack/libprpack_la-prpack_utils.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/gss.lo plfit/gss.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/gss.lo plfit/gss.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/gss.c  -fPIC -DPIC -o plfit/.libs/gss.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/gss.c -o plfit/gss.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/kolmogorov.lo plfit/kolmogorov.c
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_utils.cpp -o prpack/libprpack_la-prpack_utils.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/kolmogorov.lo plfit/kolmogorov.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/kolmogorov.c  -fPIC -DPIC -o plfit/.libs/kolmogorov.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/kolmogorov.c -o plfit/kolmogorov.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/lbfgs.lo plfit/lbfgs.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/lbfgs.lo plfit/lbfgs.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/lbfgs.c  -fPIC -DPIC -o plfit/.libs/lbfgs.o
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/options.lo plfit/options.c
-libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_solver.cpp -o prpack/libprpack_la-prpack_solver.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/options.lo plfit/options.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/options.c  -fPIC -DPIC -o plfit/.libs/options.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/options.c -o plfit/options.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/plfit.lo plfit/plfit.c
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/plfit.lo plfit/plfit.c
+libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I.. -I../include -DPRPACK_IGRAPH_SUPPORT -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -c prpack/prpack_solver.cpp -o prpack/libprpack_la-prpack_solver.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/zeta.lo plfit/zeta.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/plfit.c  -fPIC -DPIC -o plfit/.libs/plfit.o
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/plfit.c -o plfit/plfit.o >/dev/null 2>&1
-libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/lbfgs.c -o plfit/lbfgs.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c -o plfit/zeta.lo plfit/zeta.c
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/zeta.c  -fPIC -DPIC -o plfit/.libs/zeta.o
 libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/zeta.c -o plfit/zeta.o >/dev/null 2>&1
-/bin/bash ../libtool  --tag=CXX   --mode=link g++  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security  -Wl,-z,relro -lgmp -lblas -llapack -larpack -lglpk -o libprpack.la  prpack/libprpack_la-prpack_base_graph.lo prpack/libprpack_la-prpack_igraph_graph.lo prpack/libprpack_la-prpack_preprocessed_ge_graph.lo prpack/libprpack_la-prpack_preprocessed_gs_graph.lo prpack/libprpack_la-prpack_preprocessed_scc_graph.lo prpack/libprpack_la-prpack_preprocessed_schur_graph.lo prpack/libprpack_la-prpack_result.lo prpack/libprpack_la-prpack_solver.lo prpack/libprpack_la-prpack_utils.lo  -larpack -llapack -lblas 
-/bin/bash ../libtool  --tag=CC   --mode=link gcc  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2  -Wl,-z,relro -lgmp -lblas -llapack -larpack -lglpk -o libplfit.la  plfit/error.lo plfit/gss.lo plfit/kolmogorov.lo plfit/lbfgs.lo plfit/options.lo plfit/plfit.lo plfit/zeta.lo  -larpack -llapack -lblas 
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/plfit.c -o plfit/plfit.o >/dev/null 2>&1
+libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/libxml2 -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2 -c plfit/lbfgs.c -o plfit/lbfgs.o >/dev/null 2>&1
+/bin/sh ../libtool  --tag=CXX   --mode=link g++  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security  -Wl,-z,relro -lgmp -lblas -llapack -larpack -lglpk -o libprpack.la  prpack/libprpack_la-prpack_base_graph.lo prpack/libprpack_la-prpack_igraph_graph.lo prpack/libprpack_la-prpack_preprocessed_ge_graph.lo prpack/libprpack_la-prpack_preprocessed_gs_graph.lo prpack/libprpack_la-prpack_preprocessed_scc_graph.lo prpack/libprpack_la-prpack_preprocessed_schur_graph.lo prpack/libprpack_la-prpack_result.lo prpack/libprpack_la-prpack_solver.lo prpack/libprpack_la-prpack_utils.lo  -larpack -llapack -lblas 
+/bin/sh ../libtool  --tag=CC   --mode=link gcc  -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/libxml2  -Wl,-z,relro -lgmp -lblas -llapack -larpack -lglpk -o libplfit.la  plfit/error.lo plfit/gss.lo plfit/kolmogorov.lo plfit/lbfgs.lo plfit/options.lo plfit/plfit.lo plfit/zeta.lo  -larpack -llapack -lblas 
 libtool: link: ar cru .libs/libprpack.a prpack/.libs/libprpack_la-prpack_base_graph.o prpack/.libs/libprpack_la-prpack_igraph_graph.o prpack/.libs/libprpack_la-prpack_preprocessed_ge_graph.o prpack/.libs/libprpack_la-prpack_preprocessed_gs_graph.o prpack/.libs/libprpack_la-prpack_preprocessed_scc_graph.o prpack/.libs/libprpack_la-prpack_preprocessed_schur_graph.o prpack/.libs/libprpack_la-prpack_result.o prpack/.libs/libprpack_la-prpack_solver.o prpack/.libs/libprpack_la-prpack_utils.o 
 ar: `u' modifier ignored since `D' is the default (see `U')
 libtool: link: ranlib .libs/libprpack.a
@@ -1582,7 +1616,7 @@
 ar: `u' modifier ignored since `D' is the default (see `U')
 libtool: link: ranlib .libs/libplfit.a
 libtool: link: ( cd ".libs" && rm -f "libplfit.la" && ln -s "../libplfit.la" "libplfit.la" )
-/bin/bash ../libtool  --tag=CXX   --mode=link g++ -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -no-undefined -Wl,-z,relro -lgmp -lblas -llapack -larpack -lglpk -o libigraph.la -rpath /usr/lib/arm-linux-gnueabihf libigraph_la-basic_query.lo libigraph_la-games.lo libigraph_la-cocitation.lo libigraph_la-iterators.lo libigraph_la-structural_properties.lo libigraph_la-components.lo libigraph_la-layout.lo libigraph_la-structure_generators.lo libigraph_la-conversion.lo libigraph_la-type_indexededgelist.lo libigraph_la-spanning_trees.lo libigraph_la-igraph_error.lo libigraph_la-interrupt.lo libigraph_la-other.lo libigraph_la-foreign.lo libigraph_la-random.lo libigraph_la-attributes.lo libigraph_la-foreign-ncol-parser.lo libigraph_la-foreign-ncol-lexer.lo libigraph_la-foreign-lgl-parser.lo libigraph_la-foreign-lgl-lexer.lo libigraph_la-foreign-pajek-parser.lo libigraph_la-foreign-pajek-lexer.lo libigraph_la-foreign-gml-parser.lo libigraph_la-foreign-gml-lexer.lo libigraph_la-dqueue.lo libigraph_la-heap.lo libigraph_la-igraph_heap.lo libigraph_la-igraph_stack.lo libigraph_la-igraph_strvector.lo libigraph_la-igraph_trie.lo libigraph_la-matrix.lo libigraph_la-vector.lo libigraph_la-vector_ptr.lo libigraph_la-memory.lo libigraph_la-adjlist.lo libigraph_la-visitors.lo libigraph_la-igraph_grid.lo libigraph_la-atlas.lo libigraph_la-topology.lo libigraph_la-motifs.lo libigraph_la-progress.lo libigraph_la-operators.lo libigraph_la-igraph_psumtree.lo libigraph_la-array.lo libigraph_la-igraph_hashtable.lo libigraph_la-foreign-graphml.lo libigraph_la-flow.lo libigraph_la-igraph_buckets.lo libigraph_la-NetDataTypes.lo libigraph_la-NetRoutines.lo libigraph_la-clustertool.lo libigraph_la-pottsmodel_2.lo libigraph_la-spectral_properties.lo libigraph_la-cores.lo libigraph_la-igraph_set.lo libigraph_la-cliques.lo libigraph_la-revolver_cit.lo libigraph_la-revolver_grow.lo libigraph_la-walktrap.lo libigraph_la-walktrap_heap.lo libigraph_la-walktrap_graph.lo libigraph_la-walktrap_communities.lo libigraph_la-infomap.lo libigraph_la-infomap_Greedy.lo libigraph_la-infomap_Node.lo libigraph_la-infomap_FlowGraph.lo libigraph_la-spmatrix.lo libigraph_la-community.lo libigraph_la-fast_community.lo libigraph_la-evolver_cit.lo libigraph_la-gml_tree.lo libigraph_la-bliss_orbit.lo libigraph_la-bliss_eqrefhash.lo libigraph_la-bliss_partition.lo libigraph_la-bliss_graph.lo libigraph_la-bliss_timer.lo libigraph_la-bliss_heap.lo libigraph_la-bliss_utils.lo libigraph_la-bliss.lo libigraph_la-cattributes.lo libigraph_la-revolver_ml_cit.lo libigraph_la-zeroin.lo libigraph_la-bfgs.lo libigraph_la-math.lo libigraph_la-forestfire.lo libigraph_la-microscopic_update.lo libigraph_la-blas.lo libigraph_la-arpack.lo libigraph_la-centrality.lo libigraph_la-drl_layout.lo libigraph_la-drl_parse.lo libigraph_la-drl_graph.lo libigraph_la-DensityGrid.lo libigraph_la-gengraph_box_list.lo libigraph_la-gengraph_degree_sequence.lo libigraph_la-gengraph_graph_molloy_hash.lo libigraph_la-gengraph_graph_molloy_optimized.lo libigraph_la-gengraph_mr-connected.lo libigraph_la-gengraph_powerlaw.lo libigraph_la-gengraph_random.lo libigraph_la-decomposition.lo libigraph_la-bipartite.lo libigraph_la-drl_layout_3d.lo libigraph_la-drl_graph_3d.lo libigraph_la-DensityGrid_3d.lo libigraph_la-foreign-dl-parser.lo libigraph_la-foreign-dl-lexer.lo cs/libigraph_la-cs_add.lo cs/libigraph_la-cs_happly.lo cs/libigraph_la-cs_pvec.lo cs/libigraph_la-cs_amd.lo cs/libigraph_la-cs_house.lo cs/libigraph_la-cs_qr.lo cs/libigraph_la-cs_chol.lo cs/libigraph_la-cs_ipvec.lo cs/libigraph_la-cs_qrsol.lo cs/libigraph_la-cs_cholsol.lo cs/libigraph_la-cs_leaf.lo cs/libigraph_la-cs_randperm.lo cs/libigraph_la-cs_compress.lo cs/libigraph_la-cs_load.lo cs/libigraph_la-cs_reach.lo cs/libigraph_la-cs_counts.lo cs/libigraph_la-cs_lsolve.lo cs/libigraph_la-cs_scatter.lo cs/libigraph_la-cs_cumsum.lo cs/libigraph_la-cs_ltsolve.lo cs/libigraph_la-cs_scc.lo cs/libigraph_la-cs_dfs.lo cs/libigraph_la-cs_lu.lo cs/libigraph_la-cs_schol.lo cs/libigraph_la-cs_dmperm.lo cs/libigraph_la-cs_lusol.lo cs/libigraph_la-cs_spsolve.lo cs/libigraph_la-cs_droptol.lo cs/libigraph_la-cs_malloc.lo cs/libigraph_la-cs_sqr.lo cs/libigraph_la-cs_dropzeros.lo cs/libigraph_la-cs_maxtrans.lo cs/libigraph_la-cs_symperm.lo cs/libigraph_la-cs_dupl.lo cs/libigraph_la-cs_multiply.lo cs/libigraph_la-cs_tdfs.lo cs/libigraph_la-cs_entry.lo cs/libigraph_la-cs_norm.lo cs/libigraph_la-cs_transpose.lo cs/libigraph_la-cs_ereach.lo cs/libigraph_la-cs_permute.lo cs/libigraph_la-cs_updown.lo cs/libigraph_la-cs_etree.lo cs/libigraph_la-cs_pinv.lo cs/libigraph_la-cs_usolve.lo cs/libigraph_la-cs_fkeep.lo cs/libigraph_la-cs_post.lo cs/libigraph_la-cs_util.lo cs/libigraph_la-cs_gaxpy.lo cs/libigraph_la-cs_print.lo cs/libigraph_la-cs_utsolve.lo libigraph_la-sparsemat.lo libigraph_la-mixing.lo libigraph_la-bigint.lo libigraph_la-bignum.lo libigraph_la-version.lo libigraph_la-optimal_modularity.lo libigraph_la-igraph_fixed_vectorlist.lo libigraph_la-separators.lo libigraph_la-igraph_marked_queue.lo libigraph_la-igraph_estack.lo libigraph_la-st-cuts.lo libigraph_la-cohesive_blocks.lo libigraph_la-statusbar.lo libigraph_la-lapack.lo libigraph_la-complex.lo libigraph_la-eigen.lo libigraph_la-feedback_arc_set.lo libigraph_la-sugiyama.lo libigraph_la-glpk_support.lo libigraph_la-igraph_hrg_types.lo libigraph_la-igraph_hrg.lo libigraph_la-distances.lo libigraph_la-fortran_intrinsics.lo libigraph_la-matching.lo libigraph_la-scg.lo libigraph_la-scg_approximate_methods.lo libigraph_la-scg_exact_scg.lo libigraph_la-scg_kmeans.lo libigraph_la-scg_utils.lo libigraph_la-scg_optimal_method.lo libigraph_la-qsort.lo libigraph_la-qsort_r.lo libigraph_la-types.lo libigraph_la-lad.lo libigraph_la-hacks.lo libigraph_la-triangles.lo libigraph_la-glet.lo libigraph_la-maximal_cliques.lo libigraph_la-sbm.lo libigraph_la-sir.lo libigraph_la-prpack.lo  -lm -lxml2      libprpack.la libplfit.la -larpack -llapack -lblas 
+/bin/sh ../libtool  --tag=CXX   --mode=link g++ -I../include -I../include -Wall  -I../src/prpack -DPRPACK_IGRAPH_SUPPORT -g -O2 -ffile-prefix-map=/build/igraph-0.7.1=. -fstack-protector-strong -Wformat -Werror=format-security -no-undefined -Wl,-z,relro -lgmp -lblas -llapack -larpack -lglpk -o libigraph.la -rpath /usr/lib/arm-linux-gnueabihf libigraph_la-basic_query.lo libigraph_la-games.lo libigraph_la-cocitation.lo libigraph_la-iterators.lo libigraph_la-structural_properties.lo libigraph_la-components.lo libigraph_la-layout.lo libigraph_la-structure_generators.lo libigraph_la-conversion.lo libigraph_la-type_indexededgelist.lo libigraph_la-spanning_trees.lo libigraph_la-igraph_error.lo libigraph_la-interrupt.lo libigraph_la-other.lo libigraph_la-foreign.lo libigraph_la-random.lo libigraph_la-attributes.lo libigraph_la-foreign-ncol-parser.lo libigraph_la-foreign-ncol-lexer.lo libigraph_la-foreign-lgl-parser.lo libigraph_la-foreign-lgl-lexer.lo libigraph_la-foreign-pajek-parser.lo libigraph_la-foreign-pajek-lexer.lo libigraph_la-foreign-gml-parser.lo libigraph_la-foreign-gml-lexer.lo libigraph_la-dqueue.lo libigraph_la-heap.lo libigraph_la-igraph_heap.lo libigraph_la-igraph_stack.lo libigraph_la-igraph_strvector.lo libigraph_la-igraph_trie.lo libigraph_la-matrix.lo libigraph_la-vector.lo libigraph_la-vector_ptr.lo libigraph_la-memory.lo libigraph_la-adjlist.lo libigraph_la-visitors.lo libigraph_la-igraph_grid.lo libigraph_la-atlas.lo libigraph_la-topology.lo libigraph_la-motifs.lo libigraph_la-progress.lo libigraph_la-operators.lo libigraph_la-igraph_psumtree.lo libigraph_la-array.lo libigraph_la-igraph_hashtable.lo libigraph_la-foreign-graphml.lo libigraph_la-flow.lo libigraph_la-igraph_buckets.lo libigraph_la-NetDataTypes.lo libigraph_la-NetRoutines.lo libigraph_la-clustertool.lo libigraph_la-pottsmodel_2.lo libigraph_la-spectral_properties.lo libigraph_la-cores.lo libigraph_la-igraph_set.lo libigraph_la-cliques.lo libigraph_la-revolver_cit.lo libigraph_la-revolver_grow.lo libigraph_la-walktrap.lo libigraph_la-walktrap_heap.lo libigraph_la-walktrap_graph.lo libigraph_la-walktrap_communities.lo libigraph_la-infomap.lo libigraph_la-infomap_Greedy.lo libigraph_la-infomap_Node.lo libigraph_la-infomap_FlowGraph.lo libigraph_la-spmatrix.lo libigraph_la-community.lo libigraph_la-fast_community.lo libigraph_la-evolver_cit.lo libigraph_la-gml_tree.lo libigraph_la-bliss_orbit.lo libigraph_la-bliss_eqrefhash.lo libigraph_la-bliss_partition.lo libigraph_la-bliss_graph.lo libigraph_la-bliss_timer.lo libigraph_la-bliss_heap.lo libigraph_la-bliss_utils.lo libigraph_la-bliss.lo libigraph_la-cattributes.lo libigraph_la-revolver_ml_cit.lo libigraph_la-zeroin.lo libigraph_la-bfgs.lo libigraph_la-math.lo libigraph_la-forestfire.lo libigraph_la-microscopic_update.lo libigraph_la-blas.lo libigraph_la-arpack.lo libigraph_la-centrality.lo libigraph_la-drl_layout.lo libigraph_la-drl_parse.lo libigraph_la-drl_graph.lo libigraph_la-DensityGrid.lo libigraph_la-gengraph_box_list.lo libigraph_la-gengraph_degree_sequence.lo libigraph_la-gengraph_graph_molloy_hash.lo libigraph_la-gengraph_graph_molloy_optimized.lo libigraph_la-gengraph_mr-connected.lo libigraph_la-gengraph_powerlaw.lo libigraph_la-gengraph_random.lo libigraph_la-decomposition.lo libigraph_la-bipartite.lo libigraph_la-drl_layout_3d.lo libigraph_la-drl_graph_3d.lo libigraph_la-DensityGrid_3d.lo libigraph_la-foreign-dl-parser.lo libigraph_la-foreign-dl-lexer.lo cs/libigraph_la-cs_add.lo cs/libigraph_la-cs_happly.lo cs/libigraph_la-cs_pvec.lo cs/libigraph_la-cs_amd.lo cs/libigraph_la-cs_house.lo cs/libigraph_la-cs_qr.lo cs/libigraph_la-cs_chol.lo cs/libigraph_la-cs_ipvec.lo cs/libigraph_la-cs_qrsol.lo cs/libigraph_la-cs_cholsol.lo cs/libigraph_la-cs_leaf.lo cs/libigraph_la-cs_randperm.lo cs/libigraph_la-cs_compress.lo cs/libigraph_la-cs_load.lo cs/libigraph_la-cs_reach.lo cs/libigraph_la-cs_counts.lo cs/libigraph_la-cs_lsolve.lo cs/libigraph_la-cs_scatter.lo cs/libigraph_la-cs_cumsum.lo cs/libigraph_la-cs_ltsolve.lo cs/libigraph_la-cs_scc.lo cs/libigraph_la-cs_dfs.lo cs/libigraph_la-cs_lu.lo cs/libigraph_la-cs_schol.lo cs/libigraph_la-cs_dmperm.lo cs/libigraph_la-cs_lusol.lo cs/libigraph_la-cs_spsolve.lo cs/libigraph_la-cs_droptol.lo cs/libigraph_la-cs_malloc.lo cs/libigraph_la-cs_sqr.lo cs/libigraph_la-cs_dropzeros.lo cs/libigraph_la-cs_maxtrans.lo cs/libigraph_la-cs_symperm.lo cs/libigraph_la-cs_dupl.lo cs/libigraph_la-cs_multiply.lo cs/libigraph_la-cs_tdfs.lo cs/libigraph_la-cs_entry.lo cs/libigraph_la-cs_norm.lo cs/libigraph_la-cs_transpose.lo cs/libigraph_la-cs_ereach.lo cs/libigraph_la-cs_permute.lo cs/libigraph_la-cs_updown.lo cs/libigraph_la-cs_etree.lo cs/libigraph_la-cs_pinv.lo cs/libigraph_la-cs_usolve.lo cs/libigraph_la-cs_fkeep.lo cs/libigraph_la-cs_post.lo cs/libigraph_la-cs_util.lo cs/libigraph_la-cs_gaxpy.lo cs/libigraph_la-cs_print.lo cs/libigraph_la-cs_utsolve.lo libigraph_la-sparsemat.lo libigraph_la-mixing.lo libigraph_la-bigint.lo libigraph_la-bignum.lo libigraph_la-version.lo libigraph_la-optimal_modularity.lo libigraph_la-igraph_fixed_vectorlist.lo libigraph_la-separators.lo libigraph_la-igraph_marked_queue.lo libigraph_la-igraph_estack.lo libigraph_la-st-cuts.lo libigraph_la-cohesive_blocks.lo libigraph_la-statusbar.lo libigraph_la-lapack.lo libigraph_la-complex.lo libigraph_la-eigen.lo libigraph_la-feedback_arc_set.lo libigraph_la-sugiyama.lo libigraph_la-glpk_support.lo libigraph_la-igraph_hrg_types.lo libigraph_la-igraph_hrg.lo libigraph_la-distances.lo libigraph_la-fortran_intrinsics.lo libigraph_la-matching.lo libigraph_la-scg.lo libigraph_la-scg_approximate_methods.lo libigraph_la-scg_exact_scg.lo libigraph_la-scg_kmeans.lo libigraph_la-scg_utils.lo libigraph_la-scg_optimal_method.lo libigraph_la-qsort.lo libigraph_la-qsort_r.lo libigraph_la-types.lo libigraph_la-lad.lo libigraph_la-hacks.lo libigraph_la-triangles.lo libigraph_la-glet.lo libigraph_la-maximal_cliques.lo libigraph_la-sbm.lo libigraph_la-sir.lo libigraph_la-prpack.lo  -lm -lxml2      libprpack.la libplfit.la -larpack -llapack -lblas 
 libtool: link: g++  -fPIC -DPIC -shared -nostdlib /usr/lib/gcc/arm-linux-gnueabihf/8/../../../arm-linux-gnueabihf/crti.o /usr/lib/gcc/arm-linux-gnueabihf/8/crtbeginS.o  .libs/libigraph_la-basic_query.o .libs/libigraph_la-games.o .libs/libigraph_la-cocitation.o .libs/libigraph_la-iterators.o .libs/libigraph_la-structural_properties.o .libs/libigraph_la-components.o .libs/libigraph_la-layout.o .libs/libigraph_la-structure_generators.o .libs/libigraph_la-conversion.o .libs/libigraph_la-type_indexededgelist.o .libs/libigraph_la-spanning_trees.o .libs/libigraph_la-igraph_error.o .libs/libigraph_la-interrupt.o .libs/libigraph_la-other.o .libs/libigraph_la-foreign.o .libs/libigraph_la-random.o .libs/libigraph_la-attributes.o .libs/libigraph_la-foreign-ncol-parser.o .libs/libigraph_la-foreign-ncol-lexer.o .libs/libigraph_la-foreign-lgl-parser.o .libs/libigraph_la-foreign-lgl-lexer.o .libs/libigraph_la-foreign-pajek-parser.o .libs/libigraph_la-foreign-pajek-lexer.o .libs/libigraph_la-foreign-gml-parser.o .libs/libigraph_la-foreign-gml-lexer.o .libs/libigraph_la-dqueue.o .libs/libigraph_la-heap.o .libs/libigraph_la-igraph_heap.o .libs/libigraph_la-igraph_stack.o .libs/libigraph_la-igraph_strvector.o .libs/libigraph_la-igraph_trie.o .libs/libigraph_la-matrix.o .libs/libigraph_la-vector.o .libs/libigraph_la-vector_ptr.o .libs/libigraph_la-memory.o .libs/libigraph_la-adjlist.o .libs/libigraph_la-visitors.o .libs/libigraph_la-igraph_grid.o .libs/libigraph_la-atlas.o .libs/libigraph_la-topology.o .libs/libigraph_la-motifs.o .libs/libigraph_la-progress.o .libs/libigraph_la-operators.o .libs/libigraph_la-igraph_psumtree.o .libs/libigraph_la-array.o .libs/libigraph_la-igraph_hashtable.o .libs/libigraph_la-foreign-graphml.o .libs/libigraph_la-flow.o .libs/libigraph_la-igraph_buckets.o .libs/libigraph_la-NetDataTypes.o .libs/libigraph_la-NetRoutines.o .libs/libigraph_la-clustertool.o .libs/libigraph_la-pottsmodel_2.o .libs/libigraph_la-spectral_properties.o .libs/libigraph_la-cores.o .libs/libigraph_la-igraph_set.o .libs/libigraph_la-cliques.o .libs/libigraph_la-revolver_cit.o .libs/libigraph_la-revolver_grow.o .libs/libigraph_la-walktrap.o .libs/libigraph_la-walktrap_heap.o .libs/libigraph_la-walktrap_graph.o .libs/libigraph_la-walktrap_communities.o .libs/libigraph_la-infomap.o .libs/libigraph_la-infomap_Greedy.o .libs/libigraph_la-infomap_Node.o .libs/libigraph_la-infomap_FlowGraph.o .libs/libigraph_la-spmatrix.o .libs/libigraph_la-community.o .libs/libigraph_la-fast_community.o .libs/libigraph_la-evolver_cit.o .libs/libigraph_la-gml_tree.o .libs/libigraph_la-bliss_orbit.o .libs/libigraph_la-bliss_eqrefhash.o .libs/libigraph_la-bliss_partition.o .libs/libigraph_la-bliss_graph.o .libs/libigraph_la-bliss_timer.o .libs/libigraph_la-bliss_heap.o .libs/libigraph_la-bliss_utils.o .libs/libigraph_la-bliss.o .libs/libigraph_la-cattributes.o .libs/libigraph_la-revolver_ml_cit.o .libs/libigraph_la-zeroin.o .libs/libigraph_la-bfgs.o .libs/libigraph_la-math.o .libs/libigraph_la-forestfire.o .libs/libigraph_la-microscopic_update.o .libs/libigraph_la-blas.o .libs/libigraph_la-arpack.o .libs/libigraph_la-centrality.o .libs/libigraph_la-drl_layout.o .libs/libigraph_la-drl_parse.o .libs/libigraph_la-drl_graph.o .libs/libigraph_la-DensityGrid.o .libs/libigraph_la-gengraph_box_list.o .libs/libigraph_la-gengraph_degree_sequence.o .libs/libigraph_la-gengraph_graph_molloy_hash.o .libs/libigraph_la-gengraph_graph_molloy_optimized.o .libs/libigraph_la-gengraph_mr-connected.o .libs/libigraph_la-gengraph_powerlaw.o .libs/libigraph_la-gengraph_random.o .libs/libigraph_la-decomposition.o .libs/libigraph_la-bipartite.o .libs/libigraph_la-drl_layout_3d.o .libs/libigraph_la-drl_graph_3d.o .libs/libigraph_la-DensityGrid_3d.o .libs/libigraph_la-foreign-dl-parser.o .libs/libigraph_la-foreign-dl-lexer.o cs/.libs/libigraph_la-cs_add.o cs/.libs/libigraph_la-cs_happly.o cs/.libs/libigraph_la-cs_pvec.o cs/.libs/libigraph_la-cs_amd.o cs/.libs/libigraph_la-cs_house.o cs/.libs/libigraph_la-cs_qr.o cs/.libs/libigraph_la-cs_chol.o cs/.libs/libigraph_la-cs_ipvec.o cs/.libs/libigraph_la-cs_qrsol.o cs/.libs/libigraph_la-cs_cholsol.o cs/.libs/libigraph_la-cs_leaf.o cs/.libs/libigraph_la-cs_randperm.o cs/.libs/libigraph_la-cs_compress.o cs/.libs/libigraph_la-cs_load.o cs/.libs/libigraph_la-cs_reach.o cs/.libs/libigraph_la-cs_counts.o cs/.libs/libigraph_la-cs_lsolve.o cs/.libs/libigraph_la-cs_scatter.o cs/.libs/libigraph_la-cs_cumsum.o cs/.libs/libigraph_la-cs_ltsolve.o cs/.libs/libigraph_la-cs_scc.o cs/.libs/libigraph_la-cs_dfs.o cs/.libs/libigraph_la-cs_lu.o cs/.libs/libigraph_la-cs_schol.o cs/.libs/libigraph_la-cs_dmperm.o cs/.libs/libigraph_la-cs_lusol.o cs/.libs/libigraph_la-cs_spsolve.o cs/.libs/libigraph_la-cs_droptol.o cs/.libs/libigraph_la-cs_malloc.o cs/.libs/libigraph_la-cs_sqr.o cs/.libs/libigraph_la-cs_dropzeros.o cs/.libs/libigraph_la-cs_maxtrans.o cs/.libs/libigraph_la-cs_symperm.o cs/.libs/libigraph_la-cs_dupl.o cs/.libs/libigraph_la-cs_multiply.o cs/.libs/libigraph_la-cs_tdfs.o cs/.libs/libigraph_la-cs_entry.o cs/.libs/libigraph_la-cs_norm.o cs/.libs/libigraph_la-cs_transpose.o cs/.libs/libigraph_la-cs_ereach.o cs/.libs/libigraph_la-cs_permute.o cs/.libs/libigraph_la-cs_updown.o cs/.libs/libigraph_la-cs_etree.o cs/.libs/libigraph_la-cs_pinv.o cs/.libs/libigraph_la-cs_usolve.o cs/.libs/libigraph_la-cs_fkeep.o cs/.libs/libigraph_la-cs_post.o cs/.libs/libigraph_la-cs_util.o cs/.libs/libigraph_la-cs_gaxpy.o cs/.libs/libigraph_la-cs_print.o cs/.libs/libigraph_la-cs_utsolve.o .libs/libigraph_la-sparsemat.o .libs/libigraph_la-mixing.o .libs/libigraph_la-bigint.o .libs/libigraph_la-bignum.o .libs/libigraph_la-version.o .libs/libigraph_la-optimal_modularity.o .libs/libigraph_la-igraph_fixed_vectorlist.o .libs/libigraph_la-separators.o .libs/libigraph_la-igraph_marked_queue.o .libs/libigraph_la-igraph_estack.o .libs/libigraph_la-st-cuts.o .libs/libigraph_la-cohesive_blocks.o .libs/libigraph_la-statusbar.o .libs/libigraph_la-lapack.o .libs/libigraph_la-complex.o .libs/libigraph_la-eigen.o .libs/libigraph_la-feedback_arc_set.o .libs/libigraph_la-sugiyama.o .libs/libigraph_la-glpk_support.o .libs/libigraph_la-igraph_hrg_types.o .libs/libigraph_la-igraph_hrg.o .libs/libigraph_la-distances.o .libs/libigraph_la-fortran_intrinsics.o .libs/libigraph_la-matching.o .libs/libigraph_la-scg.o .libs/libigraph_la-scg_approximate_methods.o .libs/libigraph_la-scg_exact_scg.o .libs/libigraph_la-scg_kmeans.o .libs/libigraph_la-scg_utils.o .libs/libigraph_la-scg_optimal_method.o .libs/libigraph_la-qsort.o .libs/libigraph_la-qsort_r.o .libs/libigraph_la-types.o .libs/libigraph_la-lad.o .libs/libigraph_la-hacks.o .libs/libigraph_la-triangles.o .libs/libigraph_la-glet.o .libs/libigraph_la-maximal_cliques.o .libs/libigraph_la-sbm.o .libs/libigraph_la-sir.o .libs/libigraph_la-prpack.o  -Wl,--whole-archive ./.libs/libprpack.a ./.libs/libplfit.a -Wl,--no-whole-archive  -lxml2 -lgmp -lglpk -larpack -llapack -lblas -L/usr/lib/gcc/arm-linux-gnueabihf/8 -L/usr/lib/gcc/arm-linux-gnueabihf/8/../../../arm-linux-gnueabihf -L/usr/lib/gcc/arm-linux-gnueabihf/8/../../.. -L/lib/arm-linux-gnueabihf -L/usr/lib/arm-linux-gnueabihf -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc/arm-linux-gnueabihf/8/crtendS.o /usr/lib/gcc/arm-linux-gnueabihf/8/../../../arm-linux-gnueabihf/crtn.o  -g -O2 -fstack-protector-strong -Wl,-z -Wl,relro   -Wl,-soname -Wl,libigraph.so.0 -o .libs/libigraph.so.0.0.0
 libtool: link: (cd ".libs" && rm -f "libigraph.so.0" && ln -s "libigraph.so.0.0.0" "libigraph.so.0")
 libtool: link: (cd ".libs" && rm -f "libigraph.so" && ln -s "libigraph.so.0.0.0" "libigraph.so")
@@ -1604,7 +1638,7 @@
 make[2]: Leaving directory '/build/igraph-0.7.1'
 make[1]: Leaving directory '/build/igraph-0.7.1'
    dh_auto_test
-	make -j3 check VERBOSE=1
+	make -j4 check VERBOSE=1
 make[1]: Entering directory '/build/igraph-0.7.1'
 Making check in src
 make[2]: Entering directory '/build/igraph-0.7.1/src'
@@ -1625,10 +1659,10 @@
   echo 'm4_define([AT_PACKAGE_STRING],    [igraph 0.7.1])'; \
   echo 'm4_define([AT_PACKAGE_BUGREPORT], [csardi.gabor@gmail.com])'; \
 } >./package.m4
-/bin/bash /build/igraph-0.7.1/missing autom4te --language=autotest -I ../tests ../tests/testsuite.at -o testsuite.tmp
+/bin/sh /build/igraph-0.7.1/missing autom4te --language=autotest -I ../tests ../tests/testsuite.at -o testsuite.tmp
 mv testsuite.tmp testsuite
 if [ ! -f testsuite ]; then cp ../tests/testsuite .; fi
-/bin/bash testsuite
+/bin/sh testsuite
 ## -------------------------------- ##
 ## igraph 0.7.1 test suite: igraph. ##
 ## -------------------------------- ##
@@ -1980,7 +2014,7 @@
 make[3]: Entering directory '/build/igraph-0.7.1/src'
 make[4]: Entering directory '/build/igraph-0.7.1/src'
  /bin/mkdir -p '/build/igraph-0.7.1/debian/tmp/usr/lib/arm-linux-gnueabihf'
- /bin/bash ../libtool   --mode=install /usr/bin/install -c   libigraph.la '/build/igraph-0.7.1/debian/tmp/usr/lib/arm-linux-gnueabihf'
+ /bin/sh ../libtool   --mode=install /usr/bin/install -c   libigraph.la '/build/igraph-0.7.1/debian/tmp/usr/lib/arm-linux-gnueabihf'
 libtool: install: /usr/bin/install -c .libs/libigraph.so.0.0.0 /build/igraph-0.7.1/debian/tmp/usr/lib/arm-linux-gnueabihf/libigraph.so.0.0.0
 libtool: install: (cd /build/igraph-0.7.1/debian/tmp/usr/lib/arm-linux-gnueabihf && { ln -s -f libigraph.so.0.0.0 libigraph.so.0 || { rm -f libigraph.so.0 && ln -s libigraph.so.0.0.0 libigraph.so.0; }; })
 libtool: install: (cd /build/igraph-0.7.1/debian/tmp/usr/lib/arm-linux-gnueabihf && { ln -s -f libigraph.so.0.0.0 libigraph.so || { rm -f libigraph.so && ln -s libigraph.so.0.0.0 libigraph.so; }; })
@@ -2024,8 +2058,8 @@
    dh_compress
    dh_fixperms
    dh_missing
-dh_missing: usr/lib/arm-linux-gnueabihf/libigraph.a exists in debian/tmp but is not installed to anywhere
 dh_missing: usr/lib/arm-linux-gnueabihf/libigraph.la exists in debian/tmp but is not installed to anywhere
+dh_missing: usr/lib/arm-linux-gnueabihf/libigraph.a exists in debian/tmp but is not installed to anywhere
 	The following debhelper tools have reported what they installed (with files per package)
 	 * dh_install: libigraph0-dev (75), libigraph0v5 (2)
 	 * dh_installdocs: libigraph0-dev (0), libigraph0v5 (0)
@@ -2044,21 +2078,23 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'libigraph0v5' in '../libigraph0v5_0.7.1-4_armhf.deb'.
-dpkg-deb: building package 'libigraph0v5-dbgsym' in '../libigraph0v5-dbgsym_0.7.1-4_armhf.deb'.
 dpkg-deb: building package 'libigraph0-dev' in '../libigraph0-dev_0.7.1-4_armhf.deb'.
+dpkg-deb: building package 'libigraph0v5-dbgsym' in '../libigraph0v5-dbgsym_0.7.1-4_armhf.deb'.
+dpkg-deb: building package 'libigraph0v5' in '../libigraph0v5_0.7.1-4_armhf.deb'.
  dpkg-genbuildinfo --build=binary
  dpkg-genchanges --build=binary >../igraph_0.7.1-4_armhf.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
  dpkg-source --after-build .
 dpkg-buildpackage: info: binary-only upload (no source included)
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/8978/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/8978/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/27103 and its subdirectories
-I: Current time: Sun May 31 12:40:11 -12 2020
-I: pbuilder-time-stamp: 1590972011
+I: removing directory /srv/workspace/pbuilder/8978 and its subdirectories
+I: Current time: Mon Jun  1 14:50:02 +14 2020
+I: pbuilder-time-stamp: 1590972602