diff options
Diffstat (limited to 'mesonbuild')
| -rw-r--r-- | mesonbuild/compilers.py | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/mesonbuild/compilers.py b/mesonbuild/compilers.py index 5b68eaa..eeb4185 100644 --- a/mesonbuild/compilers.py +++ b/mesonbuild/compilers.py @@ -1435,6 +1435,27 @@ class VisualStudioCCompiler(CCompiler): # msvc does not have a concept of system header dirs. return ['-I' + path] + # Visual Studio is special. It ignores arguments it does not + # understand and you can't tell it to error out on those. + # http://stackoverflow.com/questions/15259720/how-can-i-make-the-microsoft-c-compiler-treat-unknown-flags-as-errors-rather-t + def has_argument(self, arg): + warning_text = b'9002' + code = 'int i;\n' + (fd, srcname) = tempfile.mkstemp(suffix='.'+self.default_suffix) + os.close(fd) + ofile = open(srcname, 'w') + ofile.write(code) + ofile.close() + commands = self.exelist + [arg] + self.get_compile_only_args() + [srcname] + mlog.debug('Running VS compile:') + mlog.debug('Command line: ', ' '.join(commands)) + mlog.debug('Code:\n', code) + p = subprocess.Popen(commands, cwd=os.path.split(srcname)[0], stdout=subprocess.PIPE, stderr=subprocess.PIPE) + (stde, stdo) = p.communicate() + if p.returncode != 0: + raise MesonException('Compiling test app failed.') + return not(warning_text in stde or warning_text in stdo) + class VisualStudioCPPCompiler(VisualStudioCCompiler): def __init__(self, exelist, version, is_cross, exe_wrap): VisualStudioCCompiler.__init__(self, exelist, version, is_cross, exe_wrap) |