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17 lines
519 B
CMake
17 lines
519 B
CMake
# - Append compiler flag to CMAKE_C_FLAGS if compiler supports it
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# ADD_C_FLAG_IF_SUPPORTED(<flag>)
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# <flag> - the compiler flag to test
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# This internally calls the CHECK_C_COMPILER_FLAG macro.
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INCLUDE(CheckCCompilerFlag)
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MACRO(ADD_C_FLAG_IF_SUPPORTED _FLAG)
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STRING(TOUPPER ${_FLAG} UPCASE)
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STRING(REGEX REPLACE "^-" "" UPCASE_PRETTY ${UPCASE})
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CHECK_C_COMPILER_FLAG(${_FLAG} IS_${UPCASE_PRETTY}_SUPPORTED)
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IF(IS_${UPCASE_PRETTY}_SUPPORTED)
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_FLAG}")
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ENDIF()
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ENDMACRO()
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