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Diffstat (limited to 'cmake/misc.cmake')
-rw-r--r-- | cmake/misc.cmake | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/cmake/misc.cmake b/cmake/misc.cmake new file mode 100644 index 00000000000..c73e66ef3d7 --- /dev/null +++ b/cmake/misc.cmake @@ -0,0 +1,128 @@ +# Copyright (C) 2009 Sun Microsystems, Inc +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +# Merge static libraries. +MACRO(MERGE_STATIC_LIBS TARGET OUTPUT_NAME LIBS_TO_MERGE) + # To produce a library we need at least one source file. + # It is created by ADD_CUSTOM_COMMAND below and will helps + # also help to track dependencies. + SET(SOURCE_FILE ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_depends.c) + ADD_LIBRARY(${TARGET} STATIC ${SOURCE_FILE}) + SET_TARGET_PROPERTIES(${TARGET} PROPERTIES OUTPUT_NAME ${OUTPUT_NAME}) + + FOREACH(LIB ${LIBS_TO_MERGE}) + GET_TARGET_PROPERTY(LIB_LOCATION ${LIB} LOCATION) + GET_TARGET_PROPERTY(LIB_TYPE ${LIB} TYPE) + IF(NOT LIB_LOCATION) + # 3rd party library like libz.so. Make sure that everything + # that links to our library links to this one as well. + TARGET_LINK_LIBRARIES(${TARGET} ${LIB}) + ELSE() + # This is a target in current project + # (can be a static or shared lib) + IF(LIB_TYPE STREQUAL "STATIC_LIBRARY") + SET(STATIC_LIBS ${STATIC_LIBS} ${LIB_LOCATION}) + ADD_DEPENDENCIES(${TARGET} ${LIB}) + ELSE() + # This is a shared library our static lib depends on. + TARGET_LINK_LIBRARIES(${TARGET} ${LIB}) + ENDIF() + ENDIF() + ENDFOREACH() + + # Make the generated dummy source file depended on all static input + # libs. If input lib changes,the source file is touched + # which causes the desired effect (relink). + ADD_CUSTOM_COMMAND( + OUTPUT ${SOURCE_FILE} + COMMAND ${CMAKE_COMMAND} -E touch ${SOURCE_FILE} + DEPENDS ${STATIC_LIBS}) + + IF(MSVC) + # To merge libs, just pass them to lib.exe command line. + SET(LINKER_EXTRA_FLAGS "") + FOREACH(LIB ${STATIC_LIBS}) + SET(LINKER_EXTRA_FLAGS "${LINKER_EXTRA_FLAGS} ${LIB}") + ENDFOREACH() + SET_TARGET_PROPERTIES(${TARGET} PROPERTIES STATIC_LIBRARY_FLAGS + "${LINKER_EXTRA_FLAGS}") + ELSE() + GET_TARGET_PROPERTY(TARGET_LOCATION ${TARGET} LOCATION) + IF(APPLE) + # Use OSX's libtool to merge archives (ihandles universal + # binaries properly) + ADD_CUSTOM_COMMAND(TARGET ${TARGET} POST_BUILD + COMMAND rm ${TARGET_LOCATION} + COMMAND /usr/bin/libtool -static -o ${TARGET_LOCATION} + ${STATIC_LIBS} + ) + ELSE() + # Generic Unix, Cygwin or MinGW. In post-build step, call + # script, that extracts objects from archives with "ar x" + # and repacks them with "ar r" + SET(TARGET ${TARGET}) + CONFIGURE_FILE( + ${CMAKE_SOURCE_DIR}/cmake/merge_archives_unix.cmake.in + ${CMAKE_CURRENT_BINARY_DIR}/merge_archives_${TARGET}.cmake + @ONLY + ) + ADD_CUSTOM_COMMAND(TARGET ${TARGET} POST_BUILD + COMMAND rm ${TARGET_LOCATION} + COMMAND ${CMAKE_COMMAND} -P + ${CMAKE_CURRENT_BINARY_DIR}/merge_archives_${TARGET}.cmake + ) + ENDIF() + ENDIF() +ENDMACRO() + +# Convert static library to shared +MACRO(STATIC_TO_SHARED STATIC_LIB SHARED_LIB EXPORTS_FILE) + IF(NOT MSVC) + MESSAGE(FATAL_ERROR + "Cannot convert static ${STATIC_LIB} to shared ${TARGET} library." + ) + ENDIF() + + # Need one source file. + SET(SOURCE_FILE ${CMAKE_CURRENT_BINARY_DIR}/${SHARED_LIB}_dummy.c) + ADD_CUSTOM_COMMAND( + OUTPUT ${SOURCE_FILE} + COMMAND ${CMAKE_COMMAND} -E touch ${SOURCE_FILE} + ) + + ADD_LIBRARY(${SHARED_LIB} SHARED ${SOURCE_FILE} ${EXPORTS_FILE}) + TARGET_LINK_LIBRARIES(${SHARED_LIB} ${STATIC_LIB}) +ENDMACRO() + +MACRO(SET_TARGET_SOURCEDIR TARGET) + SET(${TARGET}_SOURCEDIR ${CMAKE_CURRENT_SOURCE_DIR} CACHE INTERNAL "source directory for a target") +ENDMACRO() + +# Handy macro to use when source projects maybe used somewhere else +# For example, embedded or client library may recompile mysys sources +# In such cases, using absolute names in ADD_LIBRARY has the advantage that +# GET_TARGET_PROPERTY(xxx SOURCES) also returns absolute names, so there is +# no need to know the base directory of a target. +MACRO(USE_ABSOLUTE_FILENAMES FILELIST) + # Use absolute file paths for sources + # It helps when building embedded where we need to + # sources files for the plugin to recompile. + SET(RESOLVED_PATHS) + FOREACH(FILE ${${FILELIST}}) + GET_FILENAME_COMPONENT(ABSOLUTE_PATH ${FILE} ABSOLUTE) + LIST(APPEND RESOLVED_PATHS ${ABSOLUTE_PATH}) + ENDFOREACH() + SET(${FILELIST} ${RESOLVED_PATHS}) +ENDMACRO() |