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39 lines
1.6 KiB
39 lines
1.6 KiB
4 months ago
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include(CheckCSourceCompiles)
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include(CheckCXXSourceCompiles)
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macro(append_c_compiler_flags _flags _name _result)
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set(SAFE_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
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string(REGEX REPLACE "[-+/ ]" "_" cname "${_name}")
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string(TOUPPER "${cname}" cname)
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foreach(flag ${_flags})
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string(REGEX REPLACE "^[-+/ ]+(.*)[-+/ ]*$" "\\1" flagname "${flag}")
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string(REGEX REPLACE "[-+/ ]" "_" flagname "${flagname}")
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string(TOUPPER "${flagname}" flagname)
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set(have_flag "HAVE_${cname}_${flagname}")
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set(CMAKE_REQUIRED_FLAGS "${flag}")
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check_c_source_compiles("int main() { return 0; }" ${have_flag})
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if(${have_flag})
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set(${_result} "${${_result}} ${flag}")
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endif(${have_flag})
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endforeach(flag)
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set(CMAKE_REQUIRED_FLAGS ${SAFE_CMAKE_REQUIRED_FLAGS})
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endmacro(append_c_compiler_flags)
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macro(append_cxx_compiler_flags _flags _name _result)
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set(SAFE_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
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string(REGEX REPLACE "[-+/ ]" "_" cname "${_name}")
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string(TOUPPER "${cname}" cname)
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foreach(flag ${_flags})
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string(REGEX REPLACE "^[-+/ ]+(.*)[-+/ ]*$" "\\1" flagname "${flag}")
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string(REGEX REPLACE "[-+/ ]" "_" flagname "${flagname}")
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string(TOUPPER "${flagname}" flagname)
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set(have_flag "HAVE_${cname}_${flagname}")
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set(CMAKE_REQUIRED_FLAGS "${flag}")
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check_cxx_source_compiles("int main() { return 0; }" ${have_flag})
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if(${have_flag})
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set(${_result} "${${_result}} ${flag}")
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endif(${have_flag})
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endforeach(flag)
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set(CMAKE_REQUIRED_FLAGS ${SAFE_CMAKE_REQUIRED_FLAGS})
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endmacro(append_cxx_compiler_flags)
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