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100 lines
3.7 KiB
CMake
100 lines
3.7 KiB
CMake
# Merge static libraries into a big static lib. The resulting library
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# should not not have dependencies on other static libraries.
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# We use it in MySQL to merge mysys,dbug,vio etc into mysqlclient
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FUNCTION(GET_DEPENDEND_OS_LIBS target result)
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SET(deps ${${target}_LIB_DEPENDS})
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IF(deps)
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FOREACH(lib ${deps})
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# Filter out keywords for used for debug vs optimized builds
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IF(NOT lib MATCHES "general" AND NOT lib MATCHES "debug" AND NOT lib MATCHES "optimized")
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GET_TARGET_PROPERTY(lib_location ${lib} LOCATION)
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IF(NOT lib_location)
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SET(ret ${ret} ${lib})
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ENDIF()
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ENDIF()
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ENDFOREACH()
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ENDIF()
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SET(${result} ${ret} PARENT_SCOPE)
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ENDFUNCTION(GET_DEPENDEND_OS_LIBS)
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MACRO(MERGE_STATIC_LIBS TARGET OUTPUT_NAME LIBS_TO_MERGE)
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# To produce a library we need at least one source file.
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# It is created by ADD_CUSTOM_COMMAND below and will helps
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# also help to track dependencies.
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SET(SOURCE_FILE ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_depends.cc)
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ADD_LIBRARY(${TARGET} STATIC ${SOURCE_FILE})
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SET_TARGET_PROPERTIES(${TARGET} PROPERTIES OUTPUT_NAME ${OUTPUT_NAME})
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SET(OSLIBS)
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FOREACH(LIB ${LIBS_TO_MERGE})
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GET_TARGET_PROPERTY(LIB_LOCATION ${LIB} LOCATION)
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GET_TARGET_PROPERTY(LIB_TYPE ${LIB} TYPE)
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IF(NOT LIB_LOCATION)
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# 3rd party library like libz.so. Make sure that everything
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# that links to our library links to this one as well.
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LIST(APPEND OSLIBS ${LIB})
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ELSE()
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# This is a target in current project
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# (can be a static or shared lib)
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IF(LIB_TYPE STREQUAL "STATIC_LIBRARY")
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SET(STATIC_LIBS ${STATIC_LIBS} ${LIB_LOCATION})
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ADD_DEPENDENCIES(${TARGET} ${LIB})
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# Extract dependend OS libraries
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GET_DEPENDEND_OS_LIBS(${LIB} LIB_OSLIBS)
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LIST(APPEND OSLIBS ${LIB_OSLIBS})
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ELSE()
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# This is a shared library our static lib depends on.
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LIST(APPEND OSLIBS ${LIB})
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ENDIF()
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ENDIF()
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ENDFOREACH()
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IF(OSLIBS)
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LIST(REMOVE_DUPLICATES OSLIBS)
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TARGET_LINK_LIBRARIES(${TARGET} ${OSLIBS})
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ENDIF()
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# Make the generated dummy source file depended on all static input
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# libs. If input lib changes,the source file is touched
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# which causes the desired effect (relink).
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ADD_CUSTOM_COMMAND(
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OUTPUT ${SOURCE_FILE}
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COMMAND ${CMAKE_COMMAND} -E touch ${SOURCE_FILE}
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DEPENDS ${STATIC_LIBS})
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IF(MSVC)
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# To merge libs, just pass them to lib.exe command line.
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SET(LINKER_EXTRA_FLAGS "")
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FOREACH(LIB ${STATIC_LIBS})
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SET(LINKER_EXTRA_FLAGS "${LINKER_EXTRA_FLAGS} ${LIB}")
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ENDFOREACH()
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SET_TARGET_PROPERTIES(${TARGET} PROPERTIES STATIC_LIBRARY_FLAGS
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"${LINKER_EXTRA_FLAGS}")
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ELSE()
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GET_TARGET_PROPERTY(TARGET_LOCATION ${TARGET} LOCATION)
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IF(APPLE)
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# Use OSX's libtool to merge archives (ihandles universal
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# binaries properly)
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ADD_CUSTOM_COMMAND(TARGET ${TARGET} POST_BUILD
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COMMAND rm ${TARGET_LOCATION}
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COMMAND /usr/bin/libtool -static -o ${TARGET_LOCATION}
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${STATIC_LIBS}
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)
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ELSE()
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# Generic Unix, Cygwin or MinGW. In post-build step, call
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# script, that extracts objects from archives with "ar x"
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# and repacks them with "ar r"
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SET(TARGET ${TARGET})
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CONFIGURE_FILE(
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${TOKU_CMAKE_SCRIPT_DIR}/merge_archives_unix.cmake.in
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${CMAKE_CURRENT_BINARY_DIR}/merge_archives_${TARGET}.cmake
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@ONLY
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)
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ADD_CUSTOM_COMMAND(TARGET ${TARGET} POST_BUILD
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COMMAND rm ${TARGET_LOCATION}
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COMMAND ${CMAKE_COMMAND} -P
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${CMAKE_CURRENT_BINARY_DIR}/merge_archives_${TARGET}.cmake
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/merge_archives_${TARGET}.cmake"
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)
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ENDIF()
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ENDIF()
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ENDMACRO(MERGE_STATIC_LIBS)
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