14 lines
468 B
CMake
14 lines
468 B
CMake
INCLUDE(CheckCXXCompilerFlag)
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function(enable_cxx_compiler_flag_if_supported flag)
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string(FIND "${CMAKE_CXX_FLAGS}" "${flag}" flag_already_set)
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if(flag_already_set EQUAL -1)
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message(STATUS "Testing flag ${flag}")
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check_cxx_compiler_flag("${flag}" flag_supported)
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if(flag_supported)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}" PARENT_SCOPE)
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endif()
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unset(flag_supported CACHE)
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endif()
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endfunction()
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