mirror of
https://github.com/LMMS/lmms.git
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e637495489
git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1352 0778d3d1-df1d-0410-868b-ea421aaaa00d
128 lines
4.6 KiB
CMake
128 lines
4.6 KiB
CMake
# - Try to find precompiled headers support for GCC 3.4 and 4.x
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# Once done this will define:
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#
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# Variable:
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# PCHSupport_FOUND
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#
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# Macro:
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# ADD_PRECOMPILED_HEADER
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IF(CMAKE_COMPILER_IS_GNUCXX)
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EXEC_PROGRAM(
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${CMAKE_CXX_COMPILER}
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ARGS --version
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OUTPUT_VARIABLE _compiler_output)
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STRING(REGEX REPLACE ".* ([0-9]\\.[0-9]\\.[0-9]) .*" "\\1"
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gcc_compiler_version ${_compiler_output})
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#MESSAGE("GCC Version: ${gcc_compiler_version}")
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IF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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SET(PCHSupport_FOUND TRUE)
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ELSE(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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IF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
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SET(PCHSupport_FOUND TRUE)
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ENDIF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
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ENDIF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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IF(PCHSupport_FOUND)
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ADD_DEFINITIONS( -DUSE_PCH=1 )
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ELSE(PCHSupport_FOUND)
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ADD_DEFINITIONS( -DUSE_PCH=0 )
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ENDIF(PCHSupport_FOUND)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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# ADD_PRECOMPILED_HEADER( targetName HEADERS _inputs )
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MACRO(ADD_PRECOMPILED_HEADER _targetName _inputs )
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FOREACH (_current_FILE ${ARGN})
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GET_FILENAME_COMPONENT(_name ${_current_FILE} NAME)
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SET(_source "${CMAKE_CURRENT_SOURCE_DIR}/${_current_FILE}")
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SET(_outdir "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch")
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MAKE_DIRECTORY(${_outdir})
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SET(_output "${_outdir}/${CMAKE_BUILD_TYPE}.c++")
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STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
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SET(_compiler_FLAGS ${${_flags_var_name}})
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GET_DIRECTORY_PROPERTY(_directory_flags INCLUDE_DIRECTORIES)
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FOREACH(item ${_directory_flags})
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LIST(APPEND _compiler_FLAGS "-I${item}")
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ENDFOREACH(item)
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GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
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LIST(APPEND _compiler_FLAGS ${_directory_flags})
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# some hacks for Qt4 - Tobias Doerffel, 2008
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STRING(TOUPPER "COMPILE_DEFINITIONS_${CMAKE_BUILD_TYPE}" CD)
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GET_DIRECTORY_PROPERTY(_directory_flags ${CD} )
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FOREACH(item ${_directory_flags})
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LIST(APPEND _compiler_FLAGS "-D${item}")
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ENDFOREACH(item)
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GET_DIRECTORY_PROPERTY(_directory_flags COMPILE_DEFINITIONS)
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FOREACH(item ${_directory_flags})
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LIST(APPEND _compiler_FLAGS "-D${item}")
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ENDFOREACH(item)
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SEPARATE_ARGUMENTS(_compiler_FLAGS)
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#MESSAGE("_compiler_FLAGS: ${_compiler_FLAGS}")
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#message("${CMAKE_CXX_COMPILER} ${_compiler_FLAGS} -x c++-header -o ${_output} ${_source}")
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ADD_CUSTOM_COMMAND(
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OUTPUT ${_output}
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COMMAND ${CMAKE_CXX_COMPILER}
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${_compiler_FLAGS}
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${COMPILE_DEFINITIONS}
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-x c++-header
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-o ${_output} ${_source}
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DEPENDS ${_source} )
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ADD_CUSTOM_TARGET(${_targetName}_gch DEPENDS ${_output})
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ADD_DEPENDENCIES(${_targetName} ${_targetName}_gch)
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#SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-include ${_name} -Winvalid-pch -H")
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#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include ${_name} -Winvalid-pch")
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES
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COMPILE_FLAGS "-include ${_name} -Winvalid-pch"
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)
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ENDFOREACH (_current_FILE)
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ENDMACRO(ADD_PRECOMPILED_HEADER)
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# ADD_PRECOMPILED_HEADER_INPLACE( targetName HEADERS _inputs )
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MACRO(ADD_PRECOMPILED_HEADER_INPLACE _targetName _inputs )
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STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
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SET(_compiler_FLAGS ${${_flags_var_name}})
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GET_DIRECTORY_PROPERTY(_directory_flags INCLUDE_DIRECTORIES)
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FOREACH(item ${_directory_flags})
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LIST(APPEND _compiler_FLAGS "-I${item}")
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ENDFOREACH(item)
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GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
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LIST(APPEND _compiler_FLAGS ${_directory_flags})
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SEPARATE_ARGUMENTS(_compiler_FLAGS)
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#MESSAGE("_compiler_FLAGS: ${_compiler_FLAGS}")
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MAKE_DIRECTORY("${CMAKE_CURRENT_BINARY_DIR}/gch")
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FOREACH (_current_FILE ${ARGN})
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GET_FILENAME_COMPONENT(_name ${_current_FILE} NAME)
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SET(_source "${CMAKE_CURRENT_SOURCE_DIR}/${_current_FILE}")
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SET(_output "${CMAKE_CURRENT_BINARY_DIR}/gch/${_name}.gch")
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#message("${CMAKE_CXX_COMPILER} ${_compiler_FLAGS} -x c++-header -o ${_output} ${_source}")
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ADD_CUSTOM_COMMAND(
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OUTPUT ${_output}
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COMMAND ${CMAKE_CXX_COMPILER}
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${_compiler_FLAGS}
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-x c++-header
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-fPIC
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-o ${_output} ${_source}
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DEPENDS ${_source} )
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LIST(APPEND GCH_FILES ${_output})
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ENDFOREACH (_current_FILE)
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#MESSAGE("GCH_FILES: ${GCH_FILES}")
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FOREACH (GCH_FILE ${GCH_FILES})
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SET_DIRECTORY_PROPERTIES( PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES ${GCH_FILE} )
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ENDFOREACH (GCH_FILE)
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SEPARATE_ARGUMENTS(GCH_FILES)
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ADD_CUSTOM_TARGET(${_targetName}_gch DEPENDS ${GCH_FILES})
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ADD_DEPENDENCIES(${_targetName} ${_targetName}_gch)
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INCLUDE_DIRECTORIES(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/gch/)
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "-Winvalid-pch")
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ENDMACRO(ADD_PRECOMPILED_HEADER_INPLACE)
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