mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-24 16:16:14 +00:00
Changed: #880 Use PCH under Linux with CMake
This commit is contained in:
kervala
parent
79eb834080
commit
1bbfcbf53f
1 changed files with 107 additions and 114 deletions
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@ -1,4 +1,4 @@
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# - Try to find precompiled headers support for GCC 3.4 and 4.x
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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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@ -12,74 +12,72 @@
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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 ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
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OUTPUT_VARIABLE gcc_compiler_version)
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#MESSAGE("GCC Version: ${gcc_compiler_version}")
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IF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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SET(PCHSupport_FOUND TRUE)
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ELSE(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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IF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
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SET(PCHSupport_FOUND TRUE)
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ENDIF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
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ENDIF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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EXEC_PROGRAM(
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${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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#MESSAGE("GCC Version: ${gcc_compiler_version}")
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IF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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SET(PCHSupport_FOUND TRUE)
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ELSE(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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IF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
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SET(PCHSupport_FOUND TRUE)
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ENDIF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
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ENDIF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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SET(_PCH_include_prefix "-I")
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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IF(WIN32)
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SET(PCHSupport_FOUND TRUE) # for experimental msvc support
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SET(_PCH_include_prefix "/I")
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ELSE(WIN32)
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SET(PCHSupport_FOUND FALSE)
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ENDIF(WIN32)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
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STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name)
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SET(${_out_compile_flags} ${${_flags_var_name}} )
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IF(CMAKE_COMPILER_IS_GNUCXX)
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GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
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IF(${_targetType} STREQUAL SHARED_LIBRARY)
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LIST(APPEND ${_out_compile_flags} "${${_out_compile_flags}} -fPIC")
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ENDIF(${_targetType} STREQUAL SHARED_LIBRARY)
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GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
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IF(${_targetType} STREQUAL SHARED_LIBRARY)
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LIST(APPEND ${_out_compile_flags} "${${_out_compile_flags}} -fPIC")
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ENDIF(${_targetType} STREQUAL SHARED_LIBRARY)
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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## TODO ... ? or does it work out of the box
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## TODO ... ? or does it work out of the box
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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GET_DIRECTORY_PROPERTY(DIRINC INCLUDE_DIRECTORIES )
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FOREACH(item ${DIRINC})
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LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}${item}")
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LIST(APPEND ${_out_compile_flags} "${_PCH_include_prefix}${item}")
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ENDFOREACH(item)
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GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
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#MESSAGE("_directory_flags ${_directory_flags}" )
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LIST(APPEND ${_out_compile_flags} ${_directory_flags})
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LIST(APPEND ${_out_compile_flags} ${CMAKE_CXX_FLAGS} )
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SEPARATE_ARGUMENTS(${_out_compile_flags})
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ENDMACRO(_PCH_GET_COMPILE_FLAGS)
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MACRO(_PCH_WRITE_PCHDEP_CXX _targetName _include_file _dephelp)
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SET(${_dephelp} ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx)
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FILE(WRITE ${${_dephelp}}
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SET(${_dephelp} ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch_dephelp.cxx)
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FILE(WRITE ${${_dephelp}}
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"#include \"${_include_file}\"
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int testfunction()
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{
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return 0;
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return 0;
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}
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"
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)
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)
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ENDMACRO(_PCH_WRITE_PCHDEP_CXX )
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@ -87,114 +85,113 @@ MACRO(_PCH_GET_COMPILE_COMMAND out_command _input _output)
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FILE(TO_NATIVE_PATH ${_input} _native_input)
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FILE(TO_NATIVE_PATH ${_output} _native_output)
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IF(CMAKE_COMPILER_IS_GNUCXX)
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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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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 ${CMAKE_CXX_COMPILER_ARG1})
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
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)
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ELSE(CMAKE_CXX_COMPILER_ARG1)
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
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)
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ENDIF(CMAKE_CXX_COMPILER_ARG1)
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
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)
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ELSE(CMAKE_CXX_COMPILER_ARG1)
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}
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)
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ENDIF(CMAKE_CXX_COMPILER_ARG1)
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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SET(_dummy_str "#include <${_input}>")
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FILE(WRITE ${CMAKE_CURRENT_BINARY_DIR}/pch_dummy.cpp ${_dummy_str})
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${_compile_FLAGS} /c /Fp${_native_output} /Yc${_native_input} pch_dummy.cpp
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)
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#/out:${_output}
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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ENDMACRO(_PCH_GET_COMPILE_COMMAND )
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MACRO(_PCH_GET_TARGET_COMPILE_FLAGS _cflags _header_name _pch_path _dowarn )
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FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path)
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IF(CMAKE_COMPILER_IS_GNUCXX)
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# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
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# on all remote machines set
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# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
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# if you want warnings for invalid header files (which is very inconvenient
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# if you have different versions of the headers for different build types
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# you may set _pch_dowarn
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IF (_dowarn)
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SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} -Winvalid-pch " )
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ELSE (_dowarn)
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SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} " )
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ENDIF (_dowarn)
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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set(${_cflags} "/Fp${_native_pch_path} /Yu${_header_name}" )
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path)
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IF(CMAKE_COMPILER_IS_GNUCXX)
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# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
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# on all remote machines set
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# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
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# if you want warnings for invalid header files (which is very inconvenient
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# if you have different versions of the headers for different build types
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# you may set _pch_dowarn
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IF (_dowarn)
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SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} -Winvalid-pch " )
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ELSE (_dowarn)
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SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} " )
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ENDIF (_dowarn)
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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set(${_cflags} "/Fp${_native_pch_path} /Yu${_header_name}" )
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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ENDMACRO(_PCH_GET_TARGET_COMPILE_FLAGS )
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MACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input _output)
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GET_FILENAME_COMPONENT(_name ${_input} NAME)
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GET_FILENAME_COMPONENT(_path ${_input} PATH)
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SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.h++")
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SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch/${_targetName}_${CMAKE_BUILD_TYPE}.gch")
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ENDMACRO(GET_PRECOMPILED_HEADER_OUTPUT _targetName _input)
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MACRO(ADD_PRECOMPILED_HEADER_TO_TARGET _targetName _input _pch_output_to_use )
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# to do: test whether compiler flags match between target _targetName
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# and _pch_output_to_use
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GET_FILENAME_COMPONENT(_name ${_input} NAME)
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IF( "${ARGN}" STREQUAL "0")
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SET(_dowarn 0)
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SET(_dowarn 0)
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ELSE( "${ARGN}" STREQUAL "0")
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SET(_dowarn 1)
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SET(_dowarn 1)
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ENDIF("${ARGN}" STREQUAL "0")
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_PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use} ${_dowarn})
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# MESSAGE("Add flags ${_target_cflags} to ${_targetName} " )
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SET_TARGET_PROPERTIES(${_targetName}
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PROPERTIES
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COMPILE_FLAGS ${_target_cflags}
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)
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_PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use} ${_dowarn})
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# MESSAGE("Add flags ${_target_cflags} to ${_targetName} " )
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SET_TARGET_PROPERTIES(${_targetName}
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PROPERTIES
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COMPILE_FLAGS ${_target_cflags}
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)
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ADD_CUSTOM_TARGET(pch_Generate_${_targetName}
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DEPENDS ${_pch_output_to_use}
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)
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ADD_CUSTOM_TARGET(pch_Generate_${_targetName}
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DEPENDS ${_pch_output_to_use}
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)
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ADD_DEPENDENCIES(${_targetName} pch_Generate_${_targetName} )
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ENDMACRO(ADD_PRECOMPILED_HEADER_TO_TARGET)
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MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
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SET(_PCH_current_target ${_targetName})
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IF(NOT CMAKE_BUILD_TYPE)
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MESSAGE(FATAL_ERROR
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"This is the ADD_PRECOMPILED_HEADER macro. "
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"You must set CMAKE_BUILD_TYPE!"
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)
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MESSAGE(FATAL_ERROR
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"This is the ADD_PRECOMPILED_HEADER macro. "
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"You must set CMAKE_BUILD_TYPE!"
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)
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ENDIF(NOT CMAKE_BUILD_TYPE)
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IF( "${ARGN}" STREQUAL "0")
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SET(_dowarn 0)
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SET(_dowarn 0)
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ELSE( "${ARGN}" STREQUAL "0")
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SET(_dowarn 1)
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SET(_dowarn 1)
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ENDIF("${ARGN}" STREQUAL "0")
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GET_FILENAME_COMPONENT(_name ${_input} NAME)
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GET_FILENAME_COMPONENT(_path ${_input} PATH)
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GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_input} _output)
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@ -205,16 +202,15 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
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_PCH_WRITE_PCHDEP_CXX(${_targetName} ${_input} _pch_dephelp_cxx)
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IF(${_targetType} STREQUAL SHARED_LIBRARY)
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ADD_LIBRARY(${_targetName}_pch_dephelp SHARED ${_pch_dephelp_cxx} )
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ADD_LIBRARY(${_targetName}_pch_dephelp SHARED ${_pch_dephelp_cxx} )
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ELSE(${_targetType} STREQUAL SHARED_LIBRARY)
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ADD_LIBRARY(${_targetName}_pch_dephelp STATIC ${_pch_dephelp_cxx})
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ADD_LIBRARY(${_targetName}_pch_dephelp STATIC ${_pch_dephelp_cxx})
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ENDIF(${_targetType} STREQUAL SHARED_LIBRARY)
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FILE(MAKE_DIRECTORY ${_outdir})
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_PCH_GET_COMPILE_FLAGS(_compile_FLAGS)
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#MESSAGE("_compile_FLAGS: ${_compile_FLAGS}")
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#message("COMMAND ${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} ${_input}")
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SET_SOURCE_FILES_PROPERTIES(${CMAKE_CURRENT_BINARY_DIR}/${_name} PROPERTIES GENERATED 1)
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@ -223,24 +219,22 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
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COMMAND ${CMAKE_COMMAND} -E copy ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} # ensure same directory! Required by gcc
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DEPENDS ${_input}
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)
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#message("_command ${_input} ${_output}")
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_PCH_GET_COMPILE_COMMAND(_command ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_output} )
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#message(${_input} )
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#message("_output ${_output}")
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ADD_CUSTOM_COMMAND(
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OUTPUT ${_output}
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COMMAND ${_command}
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DEPENDS ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_targetName}_pch_dephelp
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)
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OUTPUT ${_output}
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COMMAND ${_command}
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DEPENDS ${_input} ${CMAKE_CURRENT_BINARY_DIR}/${_name} ${_targetName}_pch_dephelp
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)
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ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_input} ${_output} ${_dowarn})
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ENDMACRO(ADD_PRECOMPILED_HEADER)
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# Generates the use of precompiled in a target,
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# without using depency targets (2 extra for each target)
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# Using Visual, must also add ${_targetName}_pch to sources
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@ -251,8 +245,8 @@ MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input)
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if(CMAKE_GENERATOR MATCHES Visual*)
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SET(_dummy_str "#include \"${_input}\"\n"
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"// This is required to suppress LNK4221. Very annoying.\n"
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"void *g_${_targetName}Dummy = 0\;\n")
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"// This is required to suppress LNK4221. Very annoying.\n"
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"void *g_${_targetName}Dummy = 0\;\n")
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# Use of cxx extension for generated files (as Qt does)
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SET(${_targetName}_pch ${CMAKE_CURRENT_BINARY_DIR}/${_targetName}_pch.cxx)
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@ -266,7 +260,6 @@ MACRO(GET_NATIVE_PRECOMPILED_HEADER _targetName _input)
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ENDMACRO(GET_NATIVE_PRECOMPILED_HEADER)
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MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
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IF( "${ARGN}" STREQUAL "0")
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@ -274,9 +267,9 @@ MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
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ELSE( "${ARGN}" STREQUAL "0")
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SET(_dowarn 1)
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ENDIF("${ARGN}" STREQUAL "0")
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if(CMAKE_GENERATOR MATCHES Visual*)
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# Auto include the precompile (useful for moc processing, since the use of
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# Auto include the precompile (useful for moc processing, since the use of
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# precompiled is specified at the target level
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# and I don't want to specifiy /F- for each moc/res/ui generated files (using Qt)
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@ -287,16 +280,16 @@ MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _input)
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SET(newProperties "${oldProps} /Yu\"${_input}\" /FI\"${_input}\"")
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "${newProperties}")
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#also inlude ${oldProps} to have the same compile options
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#also inlude ${oldProps} to have the same compile options
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SET_SOURCE_FILES_PROPERTIES(${${_targetName}_pch} PROPERTIES COMPILE_FLAGS "${oldProps} /Yc\"${_input}\"")
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else(CMAKE_GENERATOR MATCHES Visual*)
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if (CMAKE_GENERATOR MATCHES Xcode)
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# For Xcode, cmake needs my patch to process
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# GCC_PREFIX_HEADER and GCC_PRECOMPILE_PREFIX_HEADER as target properties
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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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