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50 lines
2.2 KiB
50 lines
2.2 KiB
set(CMAKE_DL_LIBS "")
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set(CMAKE_C_COMPILE_OPTIONS_PIC "-fPIC")
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set(CMAKE_C_COMPILE_OPTIONS_PIE "-fPIE")
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# PIE link options are managed in Compiler/<compiler>.cmake file
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set(CMAKE_SHARED_LIBRARY_C_FLAGS "-fPIC") # -pic
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set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-shared") # -shared
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set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # +s, flag for exe link to use shared lib
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set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") # -rpath
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set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":") # : or empty
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set(CMAKE_SHARED_LIBRARY_RPATH_ORIGIN_TOKEN "\$ORIGIN")
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set(CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG "-Wl,-rpath-link,")
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set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
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set(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
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# Features for LINK_LIBRARY generator expression
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## check linker capabilities
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if(NOT DEFINED _CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED)
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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_LINKER_PUSHPOP_STATE_SUPPORTED TRUE CACHE INTERNAL "linker supports push/pop state")
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else()
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set(_CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED FALSE CACHE INTERNAL "linker supports push/pop state")
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endif()
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unset(__linker_help)
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endif()
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## WHOLE_ARCHIVE: Force loading all members of an archive
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if(_CMAKE_LINKER_PUSHPOP_STATE_SUPPORTED)
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set(CMAKE_LINK_LIBRARY_USING_WHOLE_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_LINK_LIBRARY_USING_WHOLE_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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set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE_SUPPORTED TRUE)
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# Features for LINK_GROUP generator expression
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## RESCAN: request the linker to rescan static libraries until there is
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## no pending undefined symbols
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set(CMAKE_LINK_GROUP_USING_RESCAN "LINKER:--start-group" "LINKER:--end-group")
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set(CMAKE_LINK_GROUP_USING_RESCAN_SUPPORTED TRUE)
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include(Platform/UnixPaths)
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