fix?

Author: fwilliams

setup.py

@@ -68,6 +68,7 @@ def build_extension(self, ext):
         env['CXXFLAGS'] = '{} -DVERSION_INFO=\\"{}\\"'.format(env.get('CXXFLAGS', ''), self.distribution.get_version())
         if not os.path.exists(self.build_temp):
             os.makedirs(self.build_temp)
+        cmake_args += ['-DCMAKE_OSX_ARCHITECTURES:STRING="x86_64;arm64"']
         subprocess.check_call(['cmake'] + cmake_args + [ext.sourcedir], cwd=self.build_temp, env=env)
         subprocess.check_call(['cmake', '--build', '.'] + build_args, cwd=self.build_temp)
         print()  # Add an empty line for cleaner output