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CMake: align .pc variables with autoconf

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Use prefix/exec_prefix for includedir/libdir if
CMAKE_INSTALL_{LIBDIR,INCLUDEDIR} are relative and the CMake variable
alone if they're absolute.

This matches what autoconf will produce if a custom --libdir or
--includedir are used.

See also: https://github.com/AOMediaCodec/libavif/issues/1220

Change-Id: I6fbc016c0009ede42e1e5db3a9ee7ae9545d8da0
This commit is contained in:
James Zern 2022-12-14 11:40:14 -08:00
parent e5fe2cfc1b
commit 1d58575b18
1 changed files with 11 additions and 3 deletions
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14
CMakeLists.txt
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@ -128,9 +128,17 @@ endif()
# pkg-config variables used by *.pc.in.
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix "\$\{prefix\}")
set(libdir "\$\{prefix\}/lib")
set(includedir "\$\{prefix\}/include")
set(exec_prefix "\${prefix}")
if(IS_ABSOLUTE "${CMAKE_INSTALL_LIBDIR}")
set(libdir "${CMAKE_INSTALL_LIBDIR}")
else()
set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
endif()
if(IS_ABSOLUTE "${CMAKE_INSTALL_INCLUDEDIR}")
set(includedir "${CMAKE_INSTALL_INCLUDEDIR}")
else()
set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
endif()
set(PTHREAD_LIBS ${CMAKE_THREAD_LIBS_INIT})
set(INSTALLED_LIBRARIES)