diff --git a/mesonbuild/compilers/c.py b/mesonbuild/compilers/c.py index da28b5dfd..e23f4128b 100644 --- a/mesonbuild/compilers/c.py +++ b/mesonbuild/compilers/c.py @@ -863,7 +863,17 @@ class CCompiler(Compiler): for suffix in suffixes: for prefix in prefixes: trial = os.path.join(d, prefix + libname + '.' + suffix) - if os.path.isfile(trial): + # as well as checking the path, we need to check compilation + # with link-whole, as static libs (.a) need to be checked + # to ensure they are the right architecture, e.g. 32bit or + # 64-bit. Just a normal test link won't work as the .a file + # doesn't seem to be checked by linker if there are no + # unresolved symbols from the main C file. + extra_link_args = self.get_link_whole_for([trial]) + extra_link_args = self.linker_to_compiler_args(extra_link_args) + if (os.path.isfile(trial) and + self.links(code, env, + extra_args=extra_link_args)): return [trial] # XXX: For OpenBSD and macOS we (may) need to search for libfoo.x.y.z.dylib return None