diff options
Diffstat (limited to 'CMake/EnableCFLAG.cmake')
| -rw-r--r-- | CMake/EnableCFLAG.cmake | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/CMake/EnableCFLAG.cmake b/CMake/EnableCFLAG.cmake new file mode 100644 index 0000000..1a3df38 --- /dev/null +++ b/CMake/EnableCFLAG.cmake @@ -0,0 +1,12 @@ +include(CheckCCompilerFlag) + +function(enable_c_compiler_flag_if_supported flag) + string(FIND "${CMAKE_C_FLAGS}" "${flag}" flag_already_set) + if (flag_already_set EQUAL -1) + check_c_compiler_flag("${flag}" flag_supported) + if (flag_supported) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${flag}" PARENT_SCOPE) + endif () + unset(flag_supported CACHE) + endif () +endfunction () |