diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:30:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 07:30:55 +0000 |
| commit | 17e81f2cd1843f01838245eae7b5ed5edf83d6be (patch) | |
| tree | a0f685dff11ce5a2dc546a7b46a48bae5d1c0140 /cmake/ExtractValidFlags.cmake | |
| parent | Initial commit. (diff) | |
| download | ngtcp2-upstream.tar.xz ngtcp2-upstream.zip | |
Adding upstream version 0.12.1+dfsg.upstream/0.12.1+dfsgupstream
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() |