Diff of the two buildlogs:

--
--- b1/build.log	2025-01-12 05:45:59.327131917 +0000
+++ b2/build.log	2025-01-12 05:47:38.898575258 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Feb 14 00:07:33 -12 2026
-I: pbuilder-time-stamp: 1771070853
+I: Current time: Sun Jan 12 19:46:02 +14 2025
+I: pbuilder-time-stamp: 1736660762
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -27,52 +27,84 @@
 dpkg-source: info: applying make_kde_package_app_templates_crosscompilate.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/4150063/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1082188/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink04-arm64.
+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
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Jan 12 05:46 /bin/sh -> /bin/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/1082188/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1082188/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build/reproducible-path'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='arm64'
-  DEBIAN_FRONTEND='noninteractive'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="2" [2]="37" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.37(1)-release'
+  BUILDDIR=/build/reproducible-path
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='802e2a8679474a10aa521434104cdb39'
-  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='4150063'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=b21daca22cc04575a9840d3c51d44856
+  LANG=C
+  LANGUAGE=nl_BE:nl
+  LC_ALL=C
+  MACHTYPE=aarch64-unknown-linux-gnu
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnu
+  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=1082188
   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/r-b-build.XNsvMLL4/pbuilderrc_QqXB --distribution unstable --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.XNsvMLL4/b1 --logfile b1/build.log kf6-extra-cmake-modules_6.10.0-1.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.4:3128'
+  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/r-b-build.XNsvMLL4/pbuilderrc_IAke --distribution unstable --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.XNsvMLL4/b2 --logfile b2/build.log kf6-extra-cmake-modules_6.10.0-1.dsc'
+  SUDO_GID=109
+  SUDO_UID=104
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://192.168.101.4:3128
 I: uname -a
-  Linux codethink03-arm64 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/4150063/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1082188/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -449,7 +481,7 @@
 Get: 313 http://deb.debian.org/debian unstable/main arm64 qtdeclarative5-dev-tools arm64 5.15.15+dfsg-3 [597 kB]
 Get: 314 http://deb.debian.org/debian unstable/main arm64 qtdeclarative5-dev arm64 5.15.15+dfsg-3 [458 kB]
 Get: 315 http://deb.debian.org/debian unstable/main arm64 qttools5-dev-tools arm64 5.15.15-4 [1007 kB]
-Fetched 222 MB in 1s (285 MB/s)
+Fetched 222 MB in 1s (265 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libffi8:arm64.
 (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 ... 19963 files and directories currently installed.)
@@ -1466,8 +1498,8 @@
 Setting up tzdata (2024b-5) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sat Feb 14 12:08:18 UTC 2026.
-Universal Time is now:  Sat Feb 14 12:08:18 UTC 2026.
+Local time is now:      Sun Jan 12 05:46:51 UTC 2025.
+Universal Time is now:  Sun Jan 12 05:46:51 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libcap2-bin (1:2.66-5+b1) ...
@@ -1751,7 +1783,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S  > ../kf6-extra-cmake-modules_6.10.0-1_source.changes
+I: user script /srv/workspace/pbuilder/1082188/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/1082188/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S  > ../kf6-extra-cmake-modules_6.10.0-1_source.changes
 dpkg-buildpackage: info: source package kf6-extra-cmake-modules
 dpkg-buildpackage: info: source version 6.10.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -1854,7 +1890,7 @@
  * ReuseTool
    Required to run tests of module ECMCheckOutboundLicense
 
--- Configuring done (2.0s)
+-- Configuring done (2.1s)
 -- Generating done (0.0s)
 CMake Warning:
   Manually-specified variables were not used by the project:
@@ -1886,23 +1922,23 @@
 make[3]: Entering directory '/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu'
 cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu && /usr/bin/cmake -E cmake_depends "Unix Makefiles" /build/reproducible-path/kf6-extra-cmake-modules-6.10.0 /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/DependInfo.cmake "--color="
 make[3]: Leaving directory '/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu'
-make[3]: Leaving directory '/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu'
 make  -f docs/CMakeFiles/documentation.dir/build.make docs/CMakeFiles/documentation.dir/build
 make[3]: Leaving directory '/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu'
-make  -f tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/build.make tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/build
 make  -f tests/ECMGeneratePkgConfigFile/test_imported_targets/CMakeFiles/EGPF_lib.dir/build.make tests/ECMGeneratePkgConfigFile/test_imported_targets/CMakeFiles/EGPF_lib.dir/build
+make[3]: Leaving directory '/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu'
+make  -f tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/build.make tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/build
 make[3]: Entering directory '/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu'
 make[3]: Entering directory '/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu'
 make[3]: Entering directory '/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu'
-[ 14%] sphinx-build html: see /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs/build-html.log
-cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs && /usr/bin/sphinx-build -D man_make_section_directory=0 -c /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs -d /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs/doctrees -b html /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/docs /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs/html > build-html.log
-[ 28%] Building CXX object tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/main.cpp.o
+[ 42%] Building CXX object tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/main.cpp.o
+[ 42%] sphinx-build html: see /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs/build-html.log
 [ 42%] Building CXX object tests/ECMGeneratePkgConfigFile/test_imported_targets/CMakeFiles/EGPF_lib.dir/main.cpp.o
-cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs && /usr/bin/c++   -g -O2 -ffile-prefix-map=/build/reproducible-path/kf6-extra-cmake-modules-6.10.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wdate-time -D_FORTIFY_SOURCE=2 -MD -MT tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/main.cpp.o -MF CMakeFiles/EGPF_lib_without_interface.dir/main.cpp.o.d -o CMakeFiles/EGPF_lib_without_interface.dir/main.cpp.o -c /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/main.cpp
 cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_imported_targets && /usr/bin/c++  -I/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/tests/ECMGeneratePkgConfigFile/test_imported_targets/../:/build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_imported_targets/.. -g -O2 -ffile-prefix-map=/build/reproducible-path/kf6-extra-cmake-modules-6.10.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wdate-time -D_FORTIFY_SOURCE=2 -MD -MT tests/ECMGeneratePkgConfigFile/test_imported_targets/CMakeFiles/EGPF_lib.dir/main.cpp.o -MF CMakeFiles/EGPF_lib.dir/main.cpp.o.d -o CMakeFiles/EGPF_lib.dir/main.cpp.o -c /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/tests/ECMGeneratePkgConfigFile/test_imported_targets/main.cpp
+cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs && /usr/bin/sphinx-build -D man_make_section_directory=0 -c /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs -d /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs/doctrees -b html /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/docs /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/docs/html > build-html.log
+cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs && /usr/bin/c++   -g -O2 -ffile-prefix-map=/build/reproducible-path/kf6-extra-cmake-modules-6.10.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wdate-time -D_FORTIFY_SOURCE=2 -MD -MT tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/CMakeFiles/EGPF_lib_without_interface.dir/main.cpp.o -MF CMakeFiles/EGPF_lib_without_interface.dir/main.cpp.o.d -o CMakeFiles/EGPF_lib_without_interface.dir/main.cpp.o -c /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs/main.cpp
 [ 57%] Linking CXX static library libEGPF_lib.a
-cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_imported_targets && /usr/bin/cmake -P CMakeFiles/EGPF_lib.dir/cmake_clean_target.cmake
 [ 71%] Linking CXX static library libEGPF_lib_without_interface.a
+cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_imported_targets && /usr/bin/cmake -P CMakeFiles/EGPF_lib.dir/cmake_clean_target.cmake
 cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs && /usr/bin/cmake -P CMakeFiles/EGPF_lib_without_interface.dir/cmake_clean_target.cmake
 cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_imported_targets && /usr/bin/cmake -E cmake_link_script CMakeFiles/EGPF_lib.dir/link.txt --verbose=1
 cd /build/reproducible-path/kf6-extra-cmake-modules-6.10.0/obj-aarch64-linux-gnu/tests/ECMGeneratePkgConfigFile/test_no_interface_include_dirs && /usr/bin/cmake -E cmake_link_script CMakeFiles/EGPF_lib_without_interface.dir/link.txt --verbose=1
@@ -2333,12 +2369,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: including full source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/1082188/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1082188/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/4150063 and its subdirectories
-I: Current time: Sat Feb 14 00:08:57 -12 2026
-I: pbuilder-time-stamp: 1771070937
+I: removing directory /srv/workspace/pbuilder/1082188 and its subdirectories
+I: Current time: Sun Jan 12 19:47:37 +14 2025
+I: pbuilder-time-stamp: 1736660857