mirror of
https://port.numenaute.org/aleajactaest/khanat-code-old.git
synced 2024-12-11 12:04:46 +00:00
213 lines
6.8 KiB
CMake
213 lines
6.8 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(CMAKE_COMPILER_IS_GNUCXX)
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EXEC_PROGRAM(
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${CMAKE_CXX_COMPILER}
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ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
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OUTPUT_VARIABLE gcc_compiler_version)
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IF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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SET(PCHSupport_FOUND TRUE)
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ELSE(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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IF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
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SET(PCHSupport_FOUND TRUE)
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ENDIF(gcc_compiler_version MATCHES "3\\.4\\.[0-9]")
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ENDIF(gcc_compiler_version MATCHES "4\\.[0-9]\\.[0-9]")
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SET(_PCH_include_prefix "-I")
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ELSE(CMAKE_COMPILER_IS_GNUCXX)
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IF(WIN32)
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SET(PCHSupport_FOUND TRUE) # for experimental msvc support
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SET(_PCH_include_prefix "/I")
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ELSE(WIN32)
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SET(PCHSupport_FOUND FALSE)
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ENDIF(WIN32)
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ENDIF(CMAKE_COMPILER_IS_GNUCXX)
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MACRO(_PCH_GET_COMPILE_FLAGS _out_compile_flags)
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STRING(TOUPPER "CMAKE_CXX_FLAGS_${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 AND NOT WIN32)
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LIST(APPEND ${_out_compile_flags} "-fPIC")
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ENDIF(${_targetType} STREQUAL SHARED_LIBRARY AND NOT WIN32)
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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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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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ENDFOREACH(item)
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GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS)
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GET_DIRECTORY_PROPERTY(_global_definitions DIRECTORY ${CMAKE_SOURCE_DIR} DEFINITIONS)
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LIST(APPEND ${_out_compile_flags} ${_directory_flags})
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LIST(APPEND ${_out_compile_flags} ${_global_definitions})
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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_GET_COMPILE_COMMAND out_command _input _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 ${CMAKE_CXX_COMPILER_ARG1})
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${pchsupport_compiler_cxx_arg1} ${_compile_FLAGS} -x c++-header -o ${_output} -c ${_input}
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)
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ELSE(CMAKE_CXX_COMPILER_ARG1)
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SET(${out_command}
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${CMAKE_CXX_COMPILER} ${_compile_FLAGS} -x c++-header -o ${_output} -c ${_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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# nothing to do because std*.cpp are already added to target
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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)
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FILE(TO_NATIVE_PATH ${_pch_path} _native_pch_path)
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IF(CMAKE_COMPILER_IS_GNUCXX)
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# for use with distcc and gcc >4.0.1 if preprocessed files are accessible
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# on all remote machines set
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# PCH_ADDITIONAL_COMPILER_FLAGS to -fpch-preprocess
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SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS}-include ${CMAKE_CURRENT_BINARY_DIR}/${_header_name} -Winvalid-pch")
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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 ${_input} NAME)
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SET(_output "${CMAKE_CURRENT_BINARY_DIR}/${_name}.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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_PCH_GET_TARGET_COMPILE_FLAGS(_target_cflags ${_name} ${_pch_output_to_use})
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SET_TARGET_PROPERTIES(${_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 ${_pch_output_to_use}
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)
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ADD_DEPENDENCIES(${_targetName} pch_Generate_${_targetName} )
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ENDMACRO(ADD_PRECOMPILED_HEADER_TO_TARGET)
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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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GET_PRECOMPILED_HEADER_OUTPUT( ${_targetName} ${_inputh} _output)
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GET_TARGET_PROPERTY(_targetType ${_PCH_current_target} TYPE)
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# always build static library because it doesn't need linking
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ADD_LIBRARY(${_targetName}_pch_dephelp STATIC ${_inputcpp})
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_PCH_GET_COMPILE_FLAGS(_compile_FLAGS)
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SET_SOURCE_FILES_PROPERTIES(${_inputh} PROPERTIES GENERATED 1)
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_PCH_GET_COMPILE_COMMAND(_command ${_inputh} ${_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 ${_inputh} ${_targetName}_pch_dephelp
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)
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ADD_PRECOMPILED_HEADER_TO_TARGET(${_targetName} ${_inputh} ${_output})
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ENDMACRO(ADD_PRECOMPILED_HEADER)
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MACRO(ADD_NATIVE_PRECOMPILED_HEADER _targetName _inputh _inputcpp)
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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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# 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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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(${oldProps} MATCHES NOTFOUND)
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SET(newProperties "${oldProps} /Yu\"${_inputh}\" /FI\"${_inputh}\"")
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "${newProperties}")
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#also inlude ${oldProps} to have the same compile options
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SET_SOURCE_FILES_PROPERTIES(${_inputcpp} PROPERTIES COMPILE_FLAGS "${oldProps} /Yc\"${_inputh}\"")
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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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endif(${oldProps} MATCHES NOTFOUND)
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# When buiding out of the tree, precompiled may not be located
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# Use full path instead.
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GET_FILENAME_COMPONENT(fullPath ${_inputh} ABSOLUTE)
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PREFIX_HEADER "${fullPath}")
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SET_TARGET_PROPERTIES(${_targetName} PROPERTIES XCODE_ATTRIBUTE_GCC_PRECOMPILE_PREFIX_HEADER "YES")
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else (CMAKE_GENERATOR MATCHES Xcode)
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#Fallback to the "old" precompiled suppport
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ADD_PRECOMPILED_HEADER(${_targetName} ${_inputh} ${_inputcpp})
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endif(CMAKE_GENERATOR MATCHES Xcode)
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endif(CMAKE_GENERATOR MATCHES Visual*)
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ENDMACRO(ADD_NATIVE_PRECOMPILED_HEADER)
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