Notes for pim-data-exporter - reproducible builds result

Version annotated: 4:21.08.1-1
Identified issues:
Identifier: cmake_rpath_contains_build_path
URL https://gitlab.kitware.com/cmake/cmake/issues/18413
Description When an executable is linked with a shared library from the same project,
RPATH will contain the build path. Even if this is stripped on installation,
the build-id will remain unchanged.
.
With CMake 3.14+, packages can set `-DCMAKE_BUILD_RPATH_USE_ORIGIN=ON` to
fix the issue. This is done automatically when using the currently
experimental debhelper compat level v14.
https://cmake.org/cmake/help/latest/prop_tgt/BUILD_RPATH_USE_ORIGIN.html
.
When working with older CMake versions, the `CMAKE_SKIP_RPATH` option can be
enabled instead, but it may be required to also set `LD_LIBRARY_PATH` while
running tests.
Comments: rpath issue fixed by -DCMAKE_BUILD_RPATH_USE_ORIGIN=ON
 

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