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Use a unique variable name when checking if a flag is valid (#3532)

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Paul Fultz II 2021-10-30 02:07:06 -05:00 committed by GitHub
parent e998cd13ca
commit 1f5c3670bd
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1 changed files with 7 additions and 5 deletions
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12
cmake/compileroptions.cmake
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@ -1,15 +1,17 @@
include(CheckCXXCompilerFlag)
function(add_compile_options_safe FLAG)
check_cxx_compiler_flag(${FLAG} _has_flag)
if (_has_flag)
string(MAKE_C_IDENTIFIER "HAS_CXX_FLAG${FLAG}" mangled_flag)
check_cxx_compiler_flag(${FLAG} ${mangled_flag})
if (${mangled_flag})
add_compile_options(${FLAG})
endif()
endfunction()
function(target_compile_options_safe TARGET FLAG)
check_cxx_compiler_flag(${FLAG} _has_flag)
if (_has_flag)
string(MAKE_C_IDENTIFIER "HAS_CXX_FLAG${FLAG}" mangled_flag)
check_cxx_compiler_flag(${FLAG} ${mangled_flag})
if (${mangled_flag})
target_compile_options(${TARGET} PRIVATE ${FLAG})
endif()
endfunction()