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author | Andreas Schneider <asn@cryptomilk.org> | 2018-08-20 15:17:09 +0200 |
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committer | Andreas Schneider <asn@cryptomilk.org> | 2018-08-20 18:42:03 +0200 |
commit | a9a99fb31f2b5b28a321b1637ed491ef0fdc9b2e (patch) | |
tree | 9c244d909b75750cd35d0a9ac4a36ea8a2d11003 /cmake/Modules/AddCCompilerFlag.cmake | |
parent | 26a40977427797c46f89708001b1e37cf5de534e (diff) | |
download | libssh-a9a99fb31f2b5b28a321b1637ed491ef0fdc9b2e.tar.gz libssh-a9a99fb31f2b5b28a321b1637ed491ef0fdc9b2e.tar.xz libssh-a9a99fb31f2b5b28a321b1637ed491ef0fdc9b2e.zip |
cmake: Improve compiler flag detection
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Diffstat (limited to 'cmake/Modules/AddCCompilerFlag.cmake')
-rw-r--r-- | cmake/Modules/AddCCompilerFlag.cmake | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/cmake/Modules/AddCCompilerFlag.cmake b/cmake/Modules/AddCCompilerFlag.cmake new file mode 100644 index 00000000..3c270722 --- /dev/null +++ b/cmake/Modules/AddCCompilerFlag.cmake @@ -0,0 +1,13 @@ +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() |