393 lines
14 KiB
CMake
393 lines
14 KiB
CMake
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# - Try to find precompiled headers support for GCC 3.4 and 4.x (and MSVC)
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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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# ADD_PRECOMPILED_HEADER _targetName _inputh _inputcpp
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# ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use
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# ADD_NATIVE_PRECOMPILED_HEADER _targetName _inputh _inputcpp
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IF(MSVC)
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SET(PCHSupport_FOUND TRUE)
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SET(_PCH_include_prefix "/I")
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ELSE(MSVC)
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IF(CMAKE_COMPILER_IS_GNUCXX)
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EXEC_PROGRAM(${CMAKE_CXX_COMPILER}
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ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
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OUTPUT_VARIABLE gcc_compiler_version)
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IF(gcc_compiler_version MATCHES "^4\\.1(\\.[0-9]+)?")
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SET(PCHSupport_FOUND FALSE)
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ELSEIF(gcc_compiler_version MATCHES "^4\\.[0-9]+(\\.[0-9]+)?")
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SET(PCHSupport_FOUND TRUE)
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ENDIF(gcc_compiler_version MATCHES "^4\\.1(\\.[0-9]+)?")
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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# TODO: make tests for other compilers than GCC
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SET(PCHSupport_FOUND TRUE)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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SET(_PCH_include_prefix "-I")
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ENDIF(MSVC)
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# Set PCH_FLAGS for common flags, PCH_ARCH_XXX_FLAGS for specific archs flags and PCH_ARCHS for archs
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MACRO(PCH_SET_COMPILE_FLAGS _target)
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SET(PCH_FLAGS)
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SET(PCH_ARCHS)
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SET(FLAGS)
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LIST(APPEND _FLAGS ${CMAKE_CXX_FLAGS})
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STRING(TOUPPER "${CMAKE_BUILD_TYPE}" _UPPER_BUILD)
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LIST(APPEND _FLAGS " ${CMAKE_CXX_FLAGS_${_UPPER_BUILD}}")
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IF(NOT MSVC)
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GET_TARGET_PROPERTY(_targetType ${_target} TYPE)
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IF(${_targetType} STREQUAL SHARED_LIBRARY OR ${_targetType} STREQUAL MODULE_LIBRARY)
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LIST(APPEND _FLAGS " -fPIC")
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ENDIF(${_targetType} STREQUAL SHARED_LIBRARY OR ${_targetType} STREQUAL MODULE_LIBRARY)
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ENDIF(NOT MSVC)
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GET_DIRECTORY_PROPERTY(DIRINC INCLUDE_DIRECTORIES)
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FOREACH(item ${DIRINC})
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LIST(APPEND _FLAGS " ${_PCH_include_prefix}\"${item}\"")
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ENDFOREACH(item)
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# Required for CMake 2.6
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SET(GLOBAL_DEFINITIONS)
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GET_DIRECTORY_PROPERTY(DEFINITIONS COMPILE_DEFINITIONS)
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FOREACH(item ${DEFINITIONS})
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LIST(APPEND GLOBAL_DEFINITIONS " -D${item}")
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ENDFOREACH(item)
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GET_DIRECTORY_PROPERTY(DEFINITIONS COMPILE_DEFINITIONS_${_UPPER_BUILD})
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FOREACH(item ${DEFINITIONS})
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LIST(APPEND GLOBAL_DEFINITIONS " -D${item}")
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ENDFOREACH(item)
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GET_TARGET_PROPERTY(oldProps ${_target} COMPILE_FLAGS)
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IF(oldProps)
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LIST(APPEND _FLAGS " ${oldProps}")
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ENDIF(oldProps)
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GET_TARGET_PROPERTY(oldPropsBuild ${_target} COMPILE_FLAGS_${_UPPER_BUILD})
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IF(oldPropsBuild)
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LIST(APPEND _FLAGS " ${oldPropsBuild}")
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ENDIF(oldPropsBuild)
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GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
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GET_DIRECTORY_PROPERTY(_directory_definitions DIRECTORY ${CMAKE_SOURCE_DIR} DEFINITIONS)
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LIST(APPEND _FLAGS " ${GLOBAL_DEFINITIONS}")
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LIST(APPEND _FLAGS " ${_directory_flags}")
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LIST(APPEND _FLAGS " ${_directory_definitions}")
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STRING(REGEX REPLACE " +" " " _FLAGS ${_FLAGS})
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# Format definitions
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SEPARATE_ARGUMENTS(_FLAGS)
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IF(CLANG)
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# Determining all architectures and get common flags
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SET(_ARCH_NEXT)
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SET(_XARCH_NEXT)
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FOREACH(item ${_FLAGS})
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IF(_ARCH_NEXT)
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LIST(FIND PCH_ARCHS ${item} ITEM_FOUND)
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IF(ITEM_FOUND EQUAL -1)
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LIST(APPEND PCH_ARCHS ${item})
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STRING(TOUPPER "${item}" _UPPER_ARCH)
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SET(PCH_ARCH_${_UPPER_ARCH}_FLAGS "-arch" ${item})
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ENDIF(ITEM_FOUND EQUAL -1)
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SET(_ARCH_NEXT OFF)
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ELSEIF(_XARCH_NEXT)
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SET(_XARCH_NEXT OFF)
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ELSE(_ARCH_NEXT)
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IF(item MATCHES "^-arch")
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SET(_ARCH_NEXT ON)
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ELSEIF(item MATCHES "^-Xarch_")
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STRING(REGEX REPLACE "-Xarch_([a-z0-9_]+)" "\\1" item ${item})
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LIST(FIND PCH_ARCHS ${item} ITEM_FOUND)
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IF(ITEM_FOUND EQUAL -1)
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LIST(APPEND PCH_ARCHS ${item})
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STRING(TOUPPER "${item}" _UPPER_ARCH)
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SET(PCH_ARCH_${_UPPER_ARCH}_FLAGS "-arch" ${item})
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ENDIF(ITEM_FOUND EQUAL -1)
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SET(_XARCH_NEXT ON)
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ELSE(item MATCHES "^-arch")
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LIST(APPEND PCH_FLAGS ${item})
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ENDIF(item MATCHES "^-arch")
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ENDIF(_ARCH_NEXT)
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ENDFOREACH(item)
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# Get architcture specific flags
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SET(_XARCH_NEXT)
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FOREACH(item ${_FLAGS})
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IF(_XARCH_NEXT)
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STRING(TOUPPER "${_XARCH_NEXT}" _UPPER_XARCH)
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LIST(APPEND PCH_ARCH_${_UPPER_XARCH}_FLAGS ${item})
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SET(_XARCH_NEXT OFF)
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ELSE(_XARCH_NEXT)
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IF(item MATCHES "^-Xarch_")
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STRING(SUBSTRING "${item}" 7 -1 _XARCH_NEXT)
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ENDIF(item MATCHES "^-Xarch_")
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ENDIF(_XARCH_NEXT)
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ENDFOREACH(item)
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# Remove duplicated architectures
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IF(_ARCHS AND PCH_ARCHS)
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LIST(REMOVE_DUPLICATES PCH_ARCHS)
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ENDIF(_ARCHS AND PCH_ARCHS)
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ELSE(CLANG)
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SET(PCH_FLAGS ${_FLAGS})
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ENDIF(CLANG)
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IF(PCH_FLAGS)
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LIST(REMOVE_DUPLICATES PCH_FLAGS)
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ENDIF(PCH_FLAGS)
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ENDMACRO(PCH_SET_COMPILE_FLAGS)
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MACRO(GET_PDB_FILENAME _out_filename _target)
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# determine output directory based on target type
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GET_TARGET_PROPERTY(_targetType ${_target} TYPE)
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IF(${_targetType} STREQUAL EXECUTABLE)
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SET(_targetOutput ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
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ELSEIF(${_targetType} STREQUAL STATIC_LIBRARY)
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SET(_targetOutput ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY})
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ELSE(${_targetType} STREQUAL EXECUTABLE)
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SET(_targetOutput ${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
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ENDIF(${_targetType} STREQUAL EXECUTABLE)
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# determine target postfix
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STRING(TOUPPER "${CMAKE_BUILD_TYPE}_POSTFIX" _postfix_var_name)
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GET_TARGET_PROPERTY(_targetPostfix ${_target} ${_postfix_var_name})
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IF(${_targetPostfix} MATCHES NOTFOUND)
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SET(_targetPostfix "")
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ENDIF(${_targetPostfix} MATCHES NOTFOUND)
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SET(${_out_filename} "${_targetOutput}/${_target}${_targetPostfix}.pdb")
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ENDMACRO(GET_PDB_FILENAME)
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MACRO(PCH_SET_COMPILE_COMMAND _inputcpp _compile_FLAGS)
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IF(CMAKE_CXX_COMPILER_ARG1)
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# remove leading space in compiler argument
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STRING(REGEX REPLACE "^ +" "" pchsupport_compiler_cxx_arg1 ${CMAKE_CXX_COMPILER_ARG1})
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ELSE(CMAKE_CXX_COMPILER_ARG1)
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SET(pchsupport_compiler_cxx_arg1 "")
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ENDIF(CMAKE_CXX_COMPILER_ARG1)
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IF(MSVC)
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GET_PDB_FILENAME(PDB_FILE ${_PCH_current_target})
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SET(PCH_COMMAND ${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} /Yc /Fp"${PCH_OUTPUT}" ${_inputcpp} /Fd"${PDB_FILE}" /c /Fo"${PCH_OUTPUT}.obj")
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ELSE(MSVC)
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SET(HEADER_FORMAT "c++-header")
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SET(_FLAGS "")
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IF(APPLE)
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SET(HEADER_FORMAT "objective-${HEADER_FORMAT}")
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SET(_FLAGS -fobjc-abi-version=2 -fobjc-legacy-dispatch)
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ENDIF(APPLE)
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SET(PCH_COMMAND ${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} ${_FLAGS} -x ${HEADER_FORMAT} -o ${PCH_OUTPUT} -c ${PCH_INPUT})
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ENDIF(MSVC)
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ENDMACRO(PCH_SET_COMPILE_COMMAND)
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MACRO(PCH_SET_PRECOMPILED_HEADER_OUTPUT _targetName _input _arch _language)
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SET(_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch")
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IF(MSVC)
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FILE(MAKE_DIRECTORY ${_OUTPUT_DIR})
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GET_FILENAME_COMPONENT(_name ${_input} NAME_WE)
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SET(PCH_INPUT ${_input})
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SET(PCH_OUTPUT "${_OUTPUT_DIR}/${_name}.pch")
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ELSE(MSVC)
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IF(NOT "${_arch}" STREQUAL "")
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SET(_OUTPUT_DIR "${_OUTPUT_DIR}_${_arch}")
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ENDIF(NOT "${_arch}" STREQUAL "")
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IF(NOT "${_language}" STREQUAL "")
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SET(_OUTPUT_DIR "${_OUTPUT_DIR}_${_language}")
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ENDIF(NOT "${_language}" STREQUAL "")
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GET_FILENAME_COMPONENT(_name ${_input} NAME)
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# Copy .h to output dir
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SET(PCH_INPUT "${_OUTPUT_DIR}/${_name}")
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ADD_CUSTOM_COMMAND(OUTPUT ${PCH_INPUT}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${_input} ${PCH_INPUT}
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DEPENDS ${_input}
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COMMENT "[${_targetName}] Update precompiled header - done"
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)
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IF(CLANG)
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SET(PCH_EXT "pth")
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ELSE(CLANG)
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SET(PCH_EXT "gch")
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ENDIF(CLANG)
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# For GCC and Clang, PCH needs to be in the same directory as .h
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SET(PCH_OUTPUT "${_OUTPUT_DIR}/${_name}.${PCH_EXT}")
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ENDIF(MSVC)
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ENDMACRO(PCH_SET_PRECOMPILED_HEADER_OUTPUT)
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# Add common flags
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MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET _targetName)
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GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
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IF(${oldProps} MATCHES NOTFOUND)
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SET(oldProps "")
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ENDIF(${oldProps} MATCHES NOTFOUND)
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IF(MSVC)
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SET(_target_cflags "${oldProps} /Yu\"${PCH_INPUT}\" /FI\"${PCH_INPUT}\" /Fp\"${PCH_OUTPUT}\"")
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ELSE(MSVC)
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# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
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# on all remote machines set
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# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
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SET(PCH_ADDITIONAL_COMPILER_FLAGS)
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LIST(LENGTH PCH_ARCHS PCH_ARCHS_COUNT)
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# If no arch is specified, create common flags
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IF(PCH_ARCHS_COUNT LESS 2)
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SET(PCH_ADDITIONAL_COMPILER_FLAGS "-include ${PCH_INPUT} ${PCH_ADDITIONAL_COMPILER_FLAGS}")
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ENDIF(PCH_ARCHS_COUNT LESS 2)
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IF(APPLE)
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SET(PCH_ADDITIONAL_COMPILER_FLAGS "-fobjc-abi-version=2 -fobjc-legacy-dispatch -x objective-c++ ${PCH_ADDITIONAL_COMPILER_FLAGS}")
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ENDIF(APPLE)
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IF(WITH_PCH_DEBUG)
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SET(PCH_ADDITIONAL_COMPILER_FLAGS "-H ${PCH_ADDITIONAL_COMPILER_FLAGS}")
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ENDIF(WITH_PCH_DEBUG)
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SET(_target_cflags "${oldProps} ${PCH_ADDITIONAL_COMPILER_FLAGS} -Winvalid-pch")
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ENDIF(MSVC)
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS ${_target_cflags})
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ENDMACRO(ADD_PRECOMPILED_HEADER_TO_TARGET)
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# Add specific flags for an arch
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MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET_ARCH _targetName _arch)
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LIST(LENGTH PCH_ARCHS PCH_ARCHS_COUNT)
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IF(PCH_ARCHS_COUNT GREATER 1)
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GET_TARGET_PROPERTY(_FLAGS ${_targetName} COMPILE_FLAGS)
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IF(${_FLAGS} MATCHES NOTFOUND)
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SET(_FLAGS "")
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ENDIF(${_FLAGS} MATCHES NOTFOUND)
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SET(_FLAGS "${_FLAGS} -Xarch_${_arch} -include${PCH_INPUT}")
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS ${_FLAGS})
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ENDIF(PCH_ARCHS_COUNT GREATER 1)
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ENDMACRO(ADD_PRECOMPILED_HEADER_TO_TARGET_ARCH)
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MACRO(PCH_CREATE_TARGET _targetName _targetNamePCH)
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ADD_CUSTOM_COMMAND(OUTPUT ${PCH_OUTPUT} COMMAND ${PCH_COMMAND} COMMENT "Generating ${_targetNamePCH}" DEPENDS ${PCH_INPUT})
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ADD_CUSTOM_TARGET(${_targetNamePCH} DEPENDS ${PCH_INPUT} ${PCH_OUTPUT})
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ADD_DEPENDENCIES(${_targetName} ${_targetNamePCH})
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ENDMACRO(PCH_CREATE_TARGET _targetName _inputh _inputcpp)
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MACRO(ADD_PRECOMPILED_HEADER _targetName _inputh _inputcpp)
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SET(_PCH_current_target ${_targetName})
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IF(NOT CMAKE_BUILD_TYPE)
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MESSAGE(FATAL_ERROR
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"This is the ADD_PRECOMPILED_HEADER macro. "
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"You must set CMAKE_BUILD_TYPE!"
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)
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ENDIF(NOT CMAKE_BUILD_TYPE)
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PCH_SET_COMPILE_FLAGS(${_targetName})
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IF(PCH_ARCHS)
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SET(PCH_OUTPUTS)
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FOREACH(_ARCH ${PCH_ARCHS})
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STRING(TOUPPER "${_ARCH}" _UPPER_ARCH)
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PCH_SET_PRECOMPILED_HEADER_OUTPUT(${_targetName} ${_inputh} ${_ARCH} "")
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LIST(APPEND PCH_OUTPUTS ${PCH_OUTPUT})
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PCH_SET_COMPILE_COMMAND(${_inputcpp} "${PCH_ARCH_${_UPPER_ARCH}_FLAGS};${PCH_FLAGS}")
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PCH_CREATE_TARGET(${_targetName} ${_targetName}_pch_${_ARCH})
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ADD_PRECOMPILED_HEADER_TO_TARGET_ARCH(${_targetName} ${_ARCH})
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ENDFOREACH(_ARCH)
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ELSE(PCH_ARCHS)
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PCH_SET_PRECOMPILED_HEADER_OUTPUT(${_targetName} ${_inputh} "" "")
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LIST(APPEND PCH_OUTPUTS ${PCH_OUTPUT})
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PCH_SET_COMPILE_COMMAND(${_inputcpp} "${PCH_FLAGS}")
|
||
|
|
PCH_CREATE_TARGET(${_targetName} ${_targetName}_pch)
|
||
|
|
ENDIF(PCH_ARCHS)
|
||
|
|
|
||
|
|
ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName})
|
||
|
|
|
||
|
|
SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${PCH_OUTPUTS}")
|
||
|
|
ENDMACRO(ADD_PRECOMPILED_HEADER)
|
||
|
|
|
||
|
|
# Macro to move PCH creation file to the front of files list
|
||
|
|
# or remove .cpp from library/executable to avoid warning
|
||
|
|
MACRO(FIX_PRECOMPILED_HEADER _files _pch)
|
||
|
|
# Remove .cpp creating PCH from the list
|
||
|
|
LIST(REMOVE_ITEM ${_files} ${_pch})
|
||
|
|
IF(MSVC)
|
||
|
|
# Prepend .cpp creating PCH to the list
|
||
|
|
LIST(INSERT ${_files} 0 ${_pch})
|
||
|
|
ENDIF(MSVC)
|
||
|
|
ENDMACRO(FIX_PRECOMPILED_HEADER)
|
||
|
|
|
||
|
|
MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _inputh _inputcpp)
|
||
|
|
IF(NOT PCHSupport_FOUND)
|
||
|
|
MESSAGE(STATUS "PCH disabled because compiler doesn't support them")
|
||
|
|
RETURN()
|
||
|
|
ENDIF(NOT PCHSupport_FOUND)
|
||
|
|
|
||
|
|
# 0 => creating a new target for PCH, works for all makefiles
|
||
|
|
# 1 => setting PCH for VC++ project, works for VC++ projects
|
||
|
|
# 2 => setting PCH for XCode project, works for XCode projects
|
||
|
|
IF(CMAKE_GENERATOR MATCHES "Visual Studio")
|
||
|
|
SET(PCH_METHOD 1)
|
||
|
|
ELSEIF(CMAKE_GENERATOR MATCHES "NMake Makefiles" AND MFC_FOUND AND CMAKE_MFC_FLAG)
|
||
|
|
# To fix a bug with MFC
|
||
|
|
# Don't forget to use FIX_PRECOMPILED_HEADER before creating the target
|
||
|
|
# SET(PCH_METHOD 1)
|
||
|
|
ELSEIF(CMAKE_GENERATOR MATCHES "Xcode")
|
||
|
|
SET(PCH_METHOD 2)
|
||
|
|
ELSE(CMAKE_GENERATOR MATCHES "Visual Studio")
|
||
|
|
SET(PCH_METHOD 0)
|
||
|
|
ENDIF(CMAKE_GENERATOR MATCHES "Visual Studio")
|
||
|
|
|
||
|
|
IF(PCH_METHOD EQUAL 1)
|
||
|
|
# Auto include the precompile (useful for moc processing, since the use of
|
||
|
|
# precompiled is specified at the target level
|
||
|
|
# and I don't want to specifiy /F- for each moc/res/ui generated files (using Qt)
|
||
|
|
|
||
|
|
GET_TARGET_PROPERTY(oldProps ${_targetName} COMPILE_FLAGS)
|
||
|
|
IF(${oldProps} MATCHES NOTFOUND)
|
||
|
|
SET(oldProps "")
|
||
|
|
ENDIF(${oldProps} MATCHES NOTFOUND)
|
||
|
|
|
||
|
|
SET(newProperties "${oldProps} /Yu\"${_inputh}\" /FI\"${_inputh}\"")
|
||
|
|
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "${newProperties}")
|
||
|
|
|
||
|
|
#also inlude ${oldProps} to have the same compile options
|
||
|
|
SET_SOURCE_FILES_PROPERTIES(${_inputcpp} PROPERTIES COMPILE_FLAGS "${oldProps} /Yc\"${_inputh}\"")
|
||
|
|
ELSEIF(PCH_METHOD EQUAL 2)
|
||
|
|
# For Xcode, cmake needs my patch to process
|
||
|
|
# GCC_PREFIX_HEADER and GCC_PRECOMPILE_PREFIX_HEADER as target properties
|
||
|
|
|
||
|
|
# When buiding out of the tree, precompiled may not be located
|
||
|
|
# Use full path instead.
|
||
|
|
GET_FILENAME_COMPONENT(fullPath ${_inputh} ABSOLUTE)
|
||
|
|
|
||
|
|
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${fullPath}")
|
||
|
|
SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER "YES")
|
||
|
|
ELSE(PCH_METHOD EQUAL 1)
|
||
|
|
#Fallback to the "old" precompiled suppport
|
||
|
|
ADD_PRECOMPILED_HEADER(${_targetName} ${_inputh} ${_inputcpp})
|
||
|
|
ENDIF(PCH_METHOD EQUAL 1)
|
||
|
|
|
||
|
|
IF(TARGET ${_targetName}_static)
|
||
|
|
ADD_NATIVE_PRECOMPILED_HEADER(${_targetName}_static ${_inputh} ${_inputcpp})
|
||
|
|
ENDIF(TARGET ${_targetName}_static)
|
||
|
|
ENDMACRO(ADD_NATIVE_PRECOMPILED_HEADER)
|