diff options
Diffstat (limited to 'mesonbuild/compilers/c.py')
| -rw-r--r-- | mesonbuild/compilers/c.py | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/mesonbuild/compilers/c.py b/mesonbuild/compilers/c.py index 8860906..78185b2 100644 --- a/mesonbuild/compilers/c.py +++ b/mesonbuild/compilers/c.py @@ -420,6 +420,11 @@ class VisualStudioCCompiler(MSVCCompiler, VisualStudioLikeCCompilerMixin, CCompi def get_option_compile_args(self, options: 'OptionDictType') -> T.List[str]: args = [] std = options['std'] + if std.value.startswith('gnu'): + mlog.log( + 'cl.exe does not actually support gnu standards, and meson ' + 'will instead demote to the nearest ISO C standard. This ' + 'may cause compilation to fail.', once=True) # As of MVSC 16.7, /std:c11 is the only valid C standard option. if std.value in {'c11', 'gnu11'}: args.append('/std:c11') @@ -449,6 +454,13 @@ class ClangClCCompiler(ClangClCompiler, VisualStudioLikeCCompilerMixin, CCompile 'gnu89', 'gnu90', 'gnu9x', 'gnu99'] opts['std'].choices = c_stds # type: ignore return opts + def get_option_compile_args(self, options: 'OptionDictType') -> T.List[str]: + if options['std'].value.startswith('gnu'): + mlog.warning( + 'Clang-cl does not actually support gnu standards, and ' + 'meson will instead demote to the nearest ISO C standard. This ' + 'may cause compilation to fail.', once=True) + return [] class IntelClCCompiler(IntelVisualStudioLikeCompiler, VisualStudioLikeCCompilerMixin, CCompiler): @@ -474,7 +486,7 @@ class IntelClCCompiler(IntelVisualStudioLikeCompiler, VisualStudioLikeCCompilerM args = [] std = options['std'] if std.value == 'c89': - mlog.warning("ICL doesn't explicitly implement c89, setting the standard to 'none', which is close.", once=True) + mlog.log("ICL doesn't explicitly implement c89, setting the standard to 'none', which is close.", once=True) elif std.value != 'none': args.append('/Qstd:' + std.value) return args |