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23 lines
819 B
23 lines
819 B
2 years ago
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enable_language(C)
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set(CMAKE_C_LINK_GROUP_USING_cross_refs_SUPPORTED TRUE)
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if(CMAKE_C_COMPILER_ID STREQUAL "GNU"
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AND CMAKE_SYSTEM_NAME STREQUAL "Linux")
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set(CMAKE_C_LINK_GROUP_USING_cross_refs "LINKER:--start-group"
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"LINKER:--end-group")
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elseif(CMAKE_C_COMPILER_ID STREQUAL "SunPro"
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AND CMAKE_SYSTEM_NAME STREQUAL "SunOS")
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set(CMAKE_C_LINK_GROUP_USING_cross_refs "LINKER:-z,rescan-start"
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"LINKER:-z,rescan-end")
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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_GROUP_USING_cross_refs_SUPPORTED FALSE)
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endif()
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add_library(func1 STATIC func1.c func3.c)
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add_library(func2 STATIC func2.c)
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add_executable(main main.c)
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target_link_libraries(main PRIVATE "$<LINK_GROUP:cross_refs,func1,func2>")
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