023de565d3
A misconfigured compiler may pass extraneous implicit link directories to its linker. If they are in `CMAKE_<LANG>_IMPLICIT_LINK_DIRECTORIES`, CMake may generate extra `-L` flags on mixed-language link lines that break linking. Add an environment variable that users can set to work around such misconfiguration of their compilers.
11 lines
595 B
CMake
11 lines
595 B
CMake
include("${info}")
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list(GET INFO_CMAKE_C_IMPLICIT_LINK_DIRECTORIES -1 last_dir)
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set(ENV{CMAKE_C_IMPLICIT_LINK_DIRECTORIES_EXCLUDE} "${last_dir}")
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enable_language(C)
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message(STATUS "INFO_CMAKE_C_IMPLICIT_LINK_DIRECTORIES=[${INFO_CMAKE_C_IMPLICIT_LINK_DIRECTORIES}]")
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message(STATUS "ENV{CMAKE_C_IMPLICIT_LINK_DIRECTORIES_EXCLUDE}=[$ENV{CMAKE_C_IMPLICIT_LINK_DIRECTORIES_EXCLUDE}]")
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message(STATUS "CMAKE_C_IMPLICIT_LINK_DIRECTORIES=[${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}]")
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if("${last_dir}" IN_LIST CMAKE_C_IMPLICIT_LINK_DIRECTORIES)
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message(FATAL_ERROR "${last_dir} was not excluded!")
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endif()
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