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Generate pkg-config file during install builds #3371

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Generate pkg-config file during install builds #3371

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31 changes: 31 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -370,4 +370,35 @@ if(ENABLE_GLSLANG_INSTALL)
DESTINATION
"${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
)

# Generate a pkg-config file, so that software projects which use
# pkg-config to locate dependencies can find glslang

# This template is filled-in by CMake's `configure_file(... @ONLY)`.
# The `@...@` are substituted by CMake's configure_file(), either
# from variables set in CMakeLists.txt or by CMake itself.
# (Based on: https://www.scivision.dev/cmake-generate-pkg-config/)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc.in" [=[
prefix="@CMAKE_INSTALL_PREFIX@"
exec_prefix="${prefix}"
libdir="${prefix}/lib"
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Please use ${prefix}/@CMAKE_INSTALL_LIBDIR@ to avoid hardcoding 'lib'.

includedir="${prefix}/include"
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Please use ${prefix}/@CMAKE_INSTALL_INCLUDEDIR@ for the same reason.


Name: @PROJECT_NAME@
Description: official reference compiler front end for the OpenGL ES and OpenGL shading languages
Version: @PROJECT_VERSION@
Cflags: -I"${includedir}"
Libs: -L"${libdir}" -l@PROJECT_NAME@
]=])
configure_file(
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc.in"
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
@ONLY
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
DESTINATION
"${CMAKE_INSTALL_LIBDIR}/pkgconfig"
)
endif()