diff options
Diffstat (limited to 'mesonbuild/compilers/c.py')
| -rw-r--r-- | mesonbuild/compilers/c.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mesonbuild/compilers/c.py b/mesonbuild/compilers/c.py index 88571a3..e811096 100644 --- a/mesonbuild/compilers/c.py +++ b/mesonbuild/compilers/c.py @@ -59,6 +59,9 @@ class CCompiler(Compiler): else: self.exe_wrapper = exe_wrapper + # Set to None until we actually need to check this + self.has_fatal_warnings_link_arg = None + def needs_static_linker(self): return True # When compiling static libraries, so yes. @@ -871,6 +874,17 @@ class CCompiler(Compiler): return self.has_arguments(args, env, code, mode='compile') def has_multi_link_arguments(self, args, env): + # First time we check for link flags we need to first check if we have + # --fatal-warnings, otherwise some linker checks could give some + # false positive. + fatal_warnings_args = ['-Wl,--fatal-warnings'] + if self.has_fatal_warnings_link_arg is None: + self.has_fatal_warnings_link_arg = False + self.has_fatal_warnings_link_arg = self.has_multi_link_arguments(fatal_warnings_args, env) + + if self.has_fatal_warnings_link_arg: + args = fatal_warnings_args + args + args = self.linker_to_compiler_args(args) code = 'int main(int argc, char **argv) { return 0; }' return self.has_arguments(args, env, code, mode='link') |