config.py 文件源码

def check_type(self, type_name, headers=None, include_dirs=None,
            library_dirs=None):
        """Check type availability. Return True if the type can be compiled,
        False otherwise"""
        self._check_compiler()

        # First check the type can be compiled
        body = r"""
int main(void) {
  if ((%(name)s *) 0)
    return 0;
  if (sizeof (%(name)s))
    return 0;
}
""" % {'name': type_name}

        st = False
        try:
            try:
                self._compile(body % {'type': type_name},
                        headers, include_dirs, 'c')
                st = True
            except distutils.errors.CompileError:
                st = False
        finally:
            self._clean()

        return st