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added cmake function to create precompiled header for cpp runtime for…
… gcc git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@20323 f25d12d1-65f4-0310-ae8a-bbce733d8d8e
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| # Macro for setting up precompiled headers. Usage: | ||
| # | ||
| # add_precompiled_header(target header.h [FORCEINCLUDE]) | ||
| # | ||
| # MSVC: A source file with the same name as the header must exist and | ||
| # be included in the target (E.g. header.cpp). | ||
| # | ||
| # MSVC: Add FORCEINCLUDE to automatically include the precompiled | ||
| # header file from every source file. | ||
| # | ||
| # GCC: The precompiled header is always automatically included from | ||
| # every header file. | ||
| # | ||
| # Copyright (C) 2009-2013 Lars Christensen <larsch@belunktum.dk> | ||
| # | ||
| # Permission is hereby granted, free of charge, to any person | ||
| # obtaining a copy of this software and associated documentation files | ||
| # (the ‘Software’), to deal in the Software without restriction, | ||
| # including without limitation the rights to use, copy, modify, merge, | ||
| # publish, distribute, sublicense, and/or sell copies of the Software, | ||
| # and to permit persons to whom the Software is furnished to do so, | ||
| # subject to the following conditions: | ||
| # | ||
| # The above copyright notice and this permission notice shall be | ||
| # included in all copies or substantial portions of the Software. | ||
| # | ||
| # THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, | ||
| # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
| # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
| # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | ||
| # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | ||
| # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
| # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| # SOFTWARE. | ||
|
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| MACRO(ADD_PRECOMPILED_HEADER _targetName _input ) | ||
| GET_FILENAME_COMPONENT(_inputWe ${_input} NAME_WE) | ||
| SET(pch_source ${_inputWe}.cpp) | ||
| FOREACH(arg ${ARGN}) | ||
| IF(arg STREQUAL FORCEINCLUDE) | ||
| SET(FORCEINCLUDE ON) | ||
| ELSE(arg STREQUAL FORCEINCLUDE) | ||
| SET(FORCEINCLUDE OFF) | ||
| ENDIF(arg STREQUAL FORCEINCLUDE) | ||
| ENDFOREACH(arg) | ||
|
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||
| IF(MSVC) | ||
| #GET_TARGET_PROPERTY(sources ${_targetName} SOURCES) | ||
| #SET(_sourceFound FALSE) | ||
| #FOREACH(_source ${sources}) | ||
| #SET(PCH_COMPILE_FLAGS "") | ||
| #IF(_source MATCHES \\.\(cc|cxx|cpp\)$) | ||
| #GET_FILENAME_COMPONENT(_sourceWe ${_source} NAME_WE) | ||
| #IF(_sourceWe STREQUAL ${_inputWe}) | ||
| #SET(PCH_COMPILE_FLAGS "${PCH_COMPILE_FLAGS} /Yc${_input}") | ||
| #SET(_sourceFound TRUE) | ||
| #ELSE(_sourceWe STREQUAL ${_inputWe}) | ||
| #SET(PCH_COMPILE_FLAGS "${PCH_COMPILE_FLAGS} /Yu${_input}") | ||
| #IF(FORCEINCLUDE) | ||
| #SET(PCH_COMPILE_FLAGS "${PCH_COMPILE_FLAGS} /FI${_input}") | ||
| #ENDIF(FORCEINCLUDE) | ||
| #ENDIF(_sourceWe STREQUAL ${_inputWe}) | ||
| #SET_SOURCE_FILES_PROPERTIES(${_source} PROPERTIES COMPILE_FLAGS "${PCH_COMPILE_FLAGS}") | ||
| #ENDIF(_source MATCHES \\.\(cc|cxx|cpp\)$) | ||
| #ENDFOREACH() | ||
| #IF(NOT _sourceFound) | ||
| #MESSAGE(FATAL_ERROR "A source file for ${_input} was not found. Required for MSVC builds.") | ||
| #ENDIF(NOT _sourceFound) | ||
| ENDIF(MSVC) | ||
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||
| IF(CMAKE_COMPILER_IS_GNUCXX) | ||
| GET_FILENAME_COMPONENT(_name ${_input} NAME) | ||
| SET(_source "${CMAKE_CURRENT_SOURCE_DIR}/${_input}") | ||
| SET(_outdir "${CMAKE_CURRENT_BINARY_DIR}/${_name}.gch") | ||
| MAKE_DIRECTORY(${_outdir}) | ||
| #SET(_output "${_outdir}/.c++") | ||
| SET(_output "${_outdir}/${_name}.gch") | ||
| STRING(TOUPPER "CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE}" _flags_var_name) | ||
| SET(_compiler_FLAGS ${${_flags_var_name}}) | ||
| #remove compiler flag for optimization becaus Modelics system is compiled without optimization | ||
| string(REGEX REPLACE "O[1-9]" "O0" _compiler_FLAGS ${_compiler_FLAGS} ) | ||
| GET_DIRECTORY_PROPERTY(_directory_flags INCLUDE_DIRECTORIES) | ||
| FOREACH(item ${_directory_flags}) | ||
| LIST(APPEND _compiler_FLAGS "-I${item}") | ||
| ENDFOREACH(item) | ||
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||
| GET_DIRECTORY_PROPERTY(_directory_flags DEFINITIONS) | ||
| LIST(APPEND _compiler_FLAGS ${_directory_flags}) | ||
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| SEPARATE_ARGUMENTS(_compiler_FLAGS) | ||
| message(STATUS "${CMAKE_CXX_COMPILER} -DPCHCOMPILE ${_compiler_FLAGS} -x c++-header -o {_output} ${_source}") | ||
| ADD_CUSTOM_COMMAND( | ||
| OUTPUT ${_output} | ||
| COMMAND ${CMAKE_CXX_COMPILER} ${_compiler_FLAGS} -x c++-header -o ${_output} ${_source} | ||
| DEPENDS ${_source} ) | ||
| ADD_CUSTOM_TARGET(${_targetName}_gch DEPENDS ${_output}) | ||
| ADD_DEPENDENCIES(${_targetName} ${_targetName}_gch) | ||
| SET_TARGET_PROPERTIES(${_targetName} PROPERTIES COMPILE_FLAGS "-include ${_name} -Winvalid-pch") | ||
| install (FILES "${_output}" DESTINATION include/omc/cpp) | ||
| ENDIF(CMAKE_COMPILER_IS_GNUCXX) | ||
| ENDMACRO() | ||
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