mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-12-23 12:48:53 +00:00
297 lines
11 KiB
CMake
297 lines
11 KiB
CMake
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# Copyright (C) 2009 Sun Microsystems, Inc
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# This file exports macros that emulate some functionality found in GNU libtool
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# on Unix systems. One such feature is convenience libraries. In this context,
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# convenience library is a static library that can be linked to shared library
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# On systems that force position-independent code, linking into shared library
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# normally requires compilation with a special flag (often -fPIC). To enable
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# linking static libraries to shared, we compile source files that come into
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# static library with the PIC flag (${CMAKE_SHARED_LIBRARY_C_FLAGS} in CMake)
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# Some systems, like Windows or OSX do not need special compilation (Windows
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# never uses PIC and OSX always uses it).
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#
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# The intention behind convenience libraries is simplify the build and to reduce
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# excessive recompiles.
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# Except for convenience libraries, this file provides macros to merge static
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# libraries (we need it for mysqlclient) and to create shared library out of
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# convenience libraries(again, for mysqlclient)
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# Following macros are exported
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# - ADD_CONVENIENCE_LIBRARY(target source1...sourceN)
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# This macro creates convenience library. The functionality is similar to
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# ADD_LIBRARY(target STATIC source1...sourceN), the difference is that resulting
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# library can always be linked to shared library
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#
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# - MERGE_LIBRARIES(target [STATIC|SHARED|MODULE] [linklib1 .... linklibN]
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# [EXPORTS exported_func1 .... exported_func_N]
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# [OUTPUT_NAME output_name]
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# This macro merges several static libraries into a single one or creates a shared
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# library from several convenience libraries
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# Important global flags
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# - WITH_PIC : If set, it is assumed that everything is compiled as position
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# independent code (that is CFLAGS/CMAKE_C_FLAGS contain -fPIC or equivalent)
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# If defined, ADD_CONVENIENCE_LIBRARY does not add PIC flag to compile flags
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#
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# - DISABLE_SHARED: If set, it is assumed that shared libraries are not produced
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# during the build. ADD_CONVENIENCE_LIBRARY does not add anything to compile flags
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GET_FILENAME_COMPONENT(MYSQL_CMAKE_SCRIPT_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
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IF(WIN32 OR CYGWIN OR APPLE OR WITH_PIC OR DISABLE_SHARED OR NOT CMAKE_SHARED_LIBRARY_C_FLAGS)
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SET(_SKIP_PIC 1)
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ENDIF()
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INCLUDE(${MYSQL_CMAKE_SCRIPT_DIR}/cmake_parse_arguments.cmake)
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# CREATE_EXPORT_FILE (VAR target api_functions)
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# Internal macro, used to create source file for shared libraries that
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# otherwise consists entirely of "convenience" libraries. On Windows,
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# also exports API functions as dllexport. On unix, creates a dummy file
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# that references all exports and this prevents linker from creating an
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# empty library(there are unportable alternatives, --whole-archive)
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MACRO(CREATE_EXPORT_FILE VAR TARGET API_FUNCTIONS)
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IF(WIN32)
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SET(DUMMY ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_dummy.c)
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SET(EXPORTS ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_exports.def)
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CONFIGURE_FILE_CONTENT("" ${DUMMY})
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SET(CONTENT "EXPORTS\n")
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FOREACH(FUNC ${API_FUNCTIONS})
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SET(CONTENT "${CONTENT} ${FUNC}\n")
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ENDFOREACH()
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CONFIGURE_FILE_CONTENT(${CONTENT} ${EXPORTS})
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SET(${VAR} ${DUMMY} ${EXPORTS})
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ELSE()
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SET(EXPORTS ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}_exports_file.cc)
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SET(CONTENT)
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FOREACH(FUNC ${API_FUNCTIONS})
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SET(CONTENT "${CONTENT} extern void* ${FUNC}\;\n")
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ENDFOREACH()
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SET(CONTENT "${CONTENT} void *${TARGET}_api_funcs[] = {\n")
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FOREACH(FUNC ${API_FUNCTIONS})
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SET(CONTENT "${CONTENT} &${FUNC},\n")
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ENDFOREACH()
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SET(CONTENT "${CONTENT} (void *)0\n}\;")
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CONFIGURE_FILE_CONTENT(${CONTENT} ${EXPORTS})
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SET(${VAR} ${EXPORTS})
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ENDIF()
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ENDMACRO()
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# MYSQL_ADD_CONVENIENCE_LIBRARY(name source1...sourceN)
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# Create static library that can be linked to shared library.
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# On systems that force position-independent code, adds -fPIC or
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# equivalent flag to compile flags.
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MACRO(ADD_CONVENIENCE_LIBRARY)
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SET(TARGET ${ARGV0})
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SET(SOURCES ${ARGN})
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LIST(REMOVE_AT SOURCES 0)
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ADD_LIBRARY(${TARGET} STATIC ${SOURCES})
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IF(NOT _SKIP_PIC)
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SET_TARGET_PROPERTIES(${TARGET} PROPERTIES COMPILE_FLAGS
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"${CMAKE_SHARED_LIBRARY_C_FLAGS}")
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ENDIF()
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ENDMACRO()
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# Write content to file, using CONFIGURE_FILE
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# The advantage compared to FILE(WRITE) is that timestamp
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# does not change if file already has the same content
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MACRO(CONFIGURE_FILE_CONTENT content file)
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SET(CMAKE_CONFIGURABLE_FILE_CONTENT
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"${content}\n")
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CONFIGURE_FILE(
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${MYSQL_CMAKE_SCRIPT_DIR}/configurable_file_content.in
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${file}
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@ONLY)
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ENDMACRO()
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# 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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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.c)
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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 ${TARGET})
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CONFIGURE_FILE(
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${MYSQL_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_${TARGET}.cmake
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)
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ENDIF()
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ENDIF()
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ENDMACRO()
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# Create libs from libs.
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# Merges static libraries, creates shared libraries out of convenience libraries.
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# MERGE_LIBRARIES(target [STATIC|SHARED|MODULE]
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# [linklib1 .... linklibN]
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# [EXPORTS exported_func1 .... exportedFuncN]
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# [OUTPUT_NAME output_name]
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#)
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MACRO(MERGE_LIBRARIES)
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CMAKE_PARSE_ARGUMENTS(ARG
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"EXPORTS;OUTPUT_NAME"
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"STATIC;SHARED;MODULE;NOINSTALL"
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${ARGN}
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)
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LIST(GET ARG_DEFAULT_ARGS 0 TARGET)
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SET(LIBS ${ARG_DEFAULT_ARGS})
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LIST(REMOVE_AT LIBS 0)
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IF(ARG_STATIC)
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IF (NOT ARG_OUTPUT_NAME)
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SET(ARG_OUTPUT_NAME ${TARGET})
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ENDIF()
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MERGE_STATIC_LIBS(${TARGET} ${ARG_OUTPUT_NAME} "${LIBS}")
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ELSEIF(ARG_SHARED OR ARG_MODULE)
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IF(ARG_SHARED)
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SET(LIBTYPE SHARED)
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ELSE()
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SET(LIBTYPE MODULE)
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ENDIF()
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# check for non-PIC libraries
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IF(NOT _SKIP_PIC)
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FOREACH(LIB ${LIBS})
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GET_TARGET_PROPERTY(${LIB} TYPE LIBTYPE)
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IF(LIBTYPE STREQUAL "STATIC_LIBRARY")
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GET_TARGET_PROPERTY(LIB COMPILE_FLAGS LIB_COMPILE_FLAGS)
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STRING(REPLACE "${CMAKE_SHARED_LIBRARY_C_FLAGS}"
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"<PIC_FLAG>" LIB_COMPILE_FLAGS ${LIB_COMPILE_FLAG})
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IF(NOT LIB_COMPILE_FLAGS MATCHES "<PIC_FLAG>")
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MESSAGE(FATAL_ERROR
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"Attempted to link non-PIC static library ${LIB} to shared library ${TARGET}\n"
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"Please use ADD_CONVENIENCE_LIBRARY, instead of ADD_LIBRARY for ${LIB}"
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)
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ENDIF()
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ENDIF()
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ENDFOREACH()
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ENDIF()
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CREATE_EXPORT_FILE(SRC ${TARGET} "${ARG_EXPORTS}")
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ADD_LIBRARY(${TARGET} ${LIBTYPE} ${SRC})
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TARGET_LINK_LIBRARIES(${TARGET} ${LIBS})
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IF(ARG_OUTPUT_NAME)
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SET_TARGET_PROPERTIES(${TARGET} PROPERTIES OUTPUT_NAME "${ARG_OUTPUT_NAME}")
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ENDIF()
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ELSE()
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MESSAGE(FATAL_ERROR "Unknown library type")
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ENDIF()
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IF(NOT ARG_NOINSTALL)
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MYSQL_INSTALL_TARGETS(${TARGET} DESTINATION "${INSTALL_LIBDIR}")
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ENDIF()
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SET_TARGET_PROPERTIES(${TARGET} PROPERTIES LINK_INTERFACE_LIBRARIES "")
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ENDMACRO()
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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()
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MACRO(RESTRICT_SYMBOL_EXPORTS target)
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IF(CMAKE_COMPILER_IS_GNUCXX AND UNIX)
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CHECK_C_COMPILER_FLAG("-fvisibility=hidden" HAVE_VISIBILITY_HIDDEN)
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IF(HAVE_VISIBILITY_HIDDEN)
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GET_TARGET_PROPERTY(COMPILE_FLAGS ${target} COMPILE_FLAGS)
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IF(NOT COMPILE_FLAGS)
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# Avoid COMPILE_FLAGS-NOTFOUND
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SET(COMPILE_FLAGS)
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ENDIF()
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SET_TARGET_PROPERTIES(${target} PROPERTIES
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COMPILE_FLAGS "${COMPILE_FLAGS} -fvisibility=hidden")
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ENDIF()
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ENDIF()
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ENDMACRO()
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