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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:34:15 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:34:15 +0000 |
| commit | afea5f9539cbf1eeaa85ec77d79eb2f59724f470 (patch) | |
| tree | 2a4eba394a6bc60d2eaa8304d91168a07225d51e /cmake/ExtractValidFlags.cmake | |
| parent | Initial commit. (diff) | |
| download | nghttp2-afea5f9539cbf1eeaa85ec77d79eb2f59724f470.tar.xz nghttp2-afea5f9539cbf1eeaa85ec77d79eb2f59724f470.zip | |
Adding upstream version 1.52.0.upstream/1.52.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cmake/ExtractValidFlags.cmake')
| -rw-r--r-- | cmake/ExtractValidFlags.cmake | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/cmake/ExtractValidFlags.cmake b/cmake/ExtractValidFlags.cmake new file mode 100644 index 0000000..ccd57dc --- /dev/null +++ b/cmake/ExtractValidFlags.cmake @@ -0,0 +1,31 @@ +# Convenience function that checks the availability of certain +# C or C++ compiler flags and returns valid ones as a string. + +include(CheckCCompilerFlag) +include(CheckCXXCompilerFlag) + +function(extract_valid_c_flags varname) + set(valid_flags) + foreach(flag IN LISTS ARGN) + string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag}) + set(flag_var "C_FLAG_${flag_var}") + check_c_compiler_flag("${flag}" "${flag_var}") + if(${flag_var}) + set(valid_flags "${valid_flags} ${flag}") + endif() + endforeach() + set(${varname} "${valid_flags}" PARENT_SCOPE) +endfunction() + +function(extract_valid_cxx_flags varname) + set(valid_flags) + foreach(flag IN LISTS ARGN) + string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag}) + set(flag_var "CXX_FLAG_${flag_var}") + check_cxx_compiler_flag("${flag}" "${flag_var}") + if(${flag_var}) + set(valid_flags "${valid_flags} ${flag}") + endif() + endforeach() + set(${varname} "${valid_flags}" PARENT_SCOPE) +endfunction() |