105 lines
3.8 KiB
CMake
105 lines
3.8 KiB
CMake
FUNCTION(GET_COMMON_PCH_PARAMS PCH_HEADER PCH_FE INCLUDE_PREFIX)
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GET_FILENAME_COMPONENT(PCH_HEADER_N ${PCH_HEADER} NAME)
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GET_DIRECTORY_PROPERTY(TARGET_INCLUDES INCLUDE_DIRECTORIES)
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FOREACH(ITEM ${TARGET_INCLUDES})
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LIST(APPEND INCLUDE_FLAGS_LIST "${INCLUDE_PREFIX}\"${ITEM}\" ")
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ENDFOREACH(ITEM)
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SET(PCH_HEADER_NAME ${PCH_HEADER_N} PARENT_SCOPE)
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SET(PCH_HEADER_OUT ${CMAKE_CURRENT_BINARY_DIR}/${PCH_HEADER_N}.${PCH_FE} PARENT_SCOPE)
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SET(INCLUDE_FLAGS ${INCLUDE_FLAGS_LIST} PARENT_SCOPE)
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ENDFUNCTION(GET_COMMON_PCH_PARAMS)
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FUNCTION(GENERATE_CXX_PCH_COMMAND TARGET_NAME INCLUDE_FLAGS IN PCH_SRC OUT)
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IF (CMAKE_BUILD_TYPE)
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STRING(TOUPPER _${CMAKE_BUILD_TYPE} CURRENT_BUILD_TYPE)
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ENDIF ()
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SET(COMPILE_FLAGS ${CMAKE_CXX_FLAGS${CURRENT_BUILD_TYPE}})
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LIST(APPEND COMPILE_FLAGS ${CMAKE_CXX_FLAGS})
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IF ("${CMAKE_SYSTEM_NAME}" MATCHES "Darwin")
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IF (NOT "${CMAKE_OSX_ARCHITECTURES}" STREQUAL "")
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LIST(APPEND COMPILE_FLAGS "-arch ${CMAKE_OSX_ARCHITECTURES}")
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ENDIF ()
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IF (NOT "${CMAKE_OSX_SYSROOT}" STREQUAL "")
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LIST(APPEND COMPILE_FLAGS "-isysroot ${CMAKE_OSX_SYSROOT}")
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ENDIF ()
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IF (NOT "${CMAKE_OSX_DEPLOYMENT_TARGET}" STREQUAL "")
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LIST(APPEND COMPILE_FLAGS "-mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET}")
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ENDIF ()
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ENDIF ()
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GET_DIRECTORY_PROPERTY(TARGET_DEFINITIONS COMPILE_DEFINITIONS)
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FOREACH(ITEM ${TARGET_DEFINITIONS})
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LIST(APPEND DEFINITION_FLAGS "-D${ITEM} ")
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ENDFOREACH(ITEM)
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SEPARATE_ARGUMENTS(COMPILE_FLAGS)
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SEPARATE_ARGUMENTS(INCLUDE_FLAGS)
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SEPARATE_ARGUMENTS(DEFINITION_FLAGS)
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GET_FILENAME_COMPONENT(PCH_SRC_N ${PCH_SRC} NAME)
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ADD_LIBRARY(${PCH_SRC_N}_dephelp MODULE ${PCH_SRC})
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ADD_CUSTOM_COMMAND(
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OUTPUT ${OUT}
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COMMAND ${CMAKE_CXX_COMPILER}
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ARGS ${DEFINITION_FLAGS} ${COMPILE_FLAGS} ${INCLUDE_FLAGS} -x c++-header ${IN} -o ${OUT}
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DEPENDS ${IN} ${PCH_SRC_N}_dephelp
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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)
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ADD_CUSTOM_TARGET(generate_${PCH_SRC_N}
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DEPENDS ${OUT}
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)
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ADD_DEPENDENCIES(${TARGET_NAME} generate_${PCH_SRC_N})
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ENDFUNCTION(GENERATE_CXX_PCH_COMMAND)
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FUNCTION(ADD_CXX_PCH_GCC TARGET_NAME PCH_HEADER PCH_SOURCE)
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GET_COMMON_PCH_PARAMS(${PCH_HEADER} "gch" "-I")
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GENERATE_CXX_PCH_COMMAND(${TARGET_NAME} "${INCLUDE_FLAGS}" ${PCH_HEADER} ${PCH_SOURCE} ${PCH_HEADER_OUT})
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SET_TARGET_PROPERTIES(
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${TARGET_NAME} PROPERTIES
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COMPILE_FLAGS "-include ${CMAKE_CURRENT_BINARY_DIR}/${PCH_HEADER_NAME}"
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)
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ENDFUNCTION(ADD_CXX_PCH_GCC)
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FUNCTION(ADD_CXX_PCH_CLANG TARGET_NAME PCH_HEADER PCH_SOURCE)
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GET_COMMON_PCH_PARAMS(${PCH_HEADER} "pch" "-I")
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GENERATE_CXX_PCH_COMMAND(${TARGET_NAME} "${INCLUDE_FLAGS}" ${PCH_HEADER} ${PCH_SOURCE} ${PCH_HEADER_OUT})
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SET_TARGET_PROPERTIES(
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${TARGET_NAME} PROPERTIES
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COMPILE_FLAGS "-include-pch ${PCH_HEADER_OUT}"
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)
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ENDFUNCTION(ADD_CXX_PCH_CLANG)
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FUNCTION(ADD_CXX_PCH_MSVC TARGET_NAME PCH_HEADER PCH_SOURCE)
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GET_COMMON_PCH_PARAMS(${PCH_HEADER} "pch" "/I")
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SET_TARGET_PROPERTIES(
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${TARGET_NAME} PROPERTIES
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COMPILE_FLAGS "/FI${PCH_HEADER_NAME} /Yu${PCH_HEADER_NAME}"
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)
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SET_SOURCE_FILES_PROPERTIES(
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${PCH_SOURCE} PROPERTIES
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COMPILE_FLAGS "/Yc${PCH_HEADER_NAME}"
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)
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ENDFUNCTION(ADD_CXX_PCH_MSVC)
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FUNCTION(ADD_CXX_PCH TARGET_NAME PCH_HEADER PCH_SOURCE)
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IF (MSVC)
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ADD_CXX_PCH_MSVC(${TARGET_NAME} ${PCH_HEADER} ${PCH_SOURCE})
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ELSEIF ("${CMAKE_GENERATOR}" MATCHES "Xcode")
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SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES
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XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER YES
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XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${CMAKE_CURRENT_SOURCE_DIR}/${PCH_HEADER}"
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)
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ELSEIF ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
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ADD_CXX_PCH_CLANG(${TARGET_NAME} ${PCH_HEADER} ${PCH_SOURCE})
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ELSEIF ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
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ADD_CXX_PCH_GCC(${TARGET_NAME} ${PCH_HEADER} ${PCH_SOURCE})
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ENDIF ()
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ENDFUNCTION(ADD_CXX_PCH)
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