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35 lines
1.4 KiB
35 lines
1.4 KiB
2 years ago
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enable_language(C)
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set(CMAKE_C_LINK_LIBRARY_USING_load_archive_SUPPORTED TRUE)
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if(CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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set(CMAKE_C_LINK_LIBRARY_USING_load_archive "-force_load <LIB_ITEM>")
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elseif(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
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execute_process(COMMAND "${CMAKE_LINKER}" --help
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OUTPUT_VARIABLE linker_help
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ERROR_VARIABLE linker_help)
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if(linker_help MATCHES "--push-state" AND linker_help MATCHES "--pop-state")
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set(CMAKE_C_LINK_LIBRARY_USING_load_archive "LINKER:--push-state,--whole-archive"
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"<LINK_ITEM>"
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"LINKER:--pop-state")
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else()
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set(CMAKE_C_LINK_LIBRARY_USING_load_archive "LINKER:--whole-archive"
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"<LINK_ITEM>"
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"LINKER:--no-whole-archive")
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endif()
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elseif(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
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set(CMAKE_C_LINK_LIBRARY_USING_load_archive "/WHOLEARCHIVE:<LIBRARY>")
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else()
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# feature not yet supported for the other environments
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set(CMAKE_C_LINK_LIBRARY_USING_load_archive_SUPPORTED FALSE)
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endif()
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add_library(base STATIC base.c unref.c)
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target_compile_definitions(base PUBLIC STATIC_BASE)
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add_library(lib SHARED lib.c)
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target_link_libraries(lib PRIVATE "$<LINK_LIBRARY:load_archive,base>")
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add_executable(main main.c)
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target_link_libraries(main PRIVATE lib)
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