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Diffstat (limited to 'cmake/Modules/AddCCompilerFlag.cmake')
| -rw-r--r-- | cmake/Modules/AddCCompilerFlag.cmake | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cmake/Modules/AddCCompilerFlag.cmake b/cmake/Modules/AddCCompilerFlag.cmake new file mode 100644 index 0000000..c24c215 --- /dev/null +++ b/cmake/Modules/AddCCompilerFlag.cmake @@ -0,0 +1,21 @@ +# +# add_c_compiler_flag("-Werror" SUPPORTED_CFLAGS) +# +# Copyright (c) 2018 Andreas Schneider <asn@cryptomilk.org> +# +# Redistribution and use is allowed according to the terms of the BSD license. +# For details see the accompanying COPYING-CMAKE-SCRIPTS file. + +include(CheckCCompilerFlag) + +macro(add_c_compiler_flag _COMPILER_FLAG _OUTPUT_VARIABLE) + string(TOUPPER ${_COMPILER_FLAG} _COMPILER_FLAG_NAME) + string(REGEX REPLACE "^-" "" _COMPILER_FLAG_NAME "${_COMPILER_FLAG_NAME}") + string(REGEX REPLACE "(-|=|\ )" "_" _COMPILER_FLAG_NAME "${_COMPILER_FLAG_NAME}") + + check_c_compiler_flag("${_COMPILER_FLAG}" WITH_${_COMPILER_FLAG_NAME}_FLAG) + if (WITH_${_COMPILER_FLAG_NAME}_FLAG) + #string(APPEND ${_OUTPUT_VARIABLE} "${_COMPILER_FLAG} ") + list(APPEND ${_OUTPUT_VARIABLE} ${_COMPILER_FLAG}) + endif() +endmacro() |