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19 lines
609 B
CMake
19 lines
609 B
CMake
include (CheckCXXSourceCompiles)
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# Try to add -Wflag if compiler supports it
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macro (add_warning flag)
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string (REPLACE "-" "_" underscored_flag ${flag})
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string (REPLACE "+" "x" underscored_flag ${underscored_flag})
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check_cxx_compiler_flag("-W${flag}" SUPPORTS_FLAG_${underscored_flag})
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if (SUPPORTS_FLAG_${underscored_flag})
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -W${flag}")
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else ()
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message (WARNING "Flag -W${flag} is unsupported")
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endif ()
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endmacro ()
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# Try to add -Wno flag if compiler supports it
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macro (no_warning flag)
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add_warning(no-${flag})
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endmacro ()
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