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| author | Danny Holman <dholman@gymli.org> | 2024-11-19 14:40:34 -0600 |
|---|---|---|
| committer | Danny Holman <dholman@gymli.org> | 2024-11-19 14:40:34 -0600 |
| commit | e5da500489437c21baad5d0d1436fa98a6c6f990 (patch) | |
| tree | 58068d7ff881d3bae83c1d960fa39a15aa3289d7 | |
| parent | 534aba7074ff2ddcbeb5f4eae850fde7f65b94b9 (diff) | |
build: add a function that enables compiler flags
Add a function that enables a specified compiler flag.
Signed-off-by: Danny Holman <dholman@gymli.org>
| -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 () |