Merge pull request #482 from asfaltboy/support-quemu-on-github

Support qemu in GitHub Actions

cibuildwheel/macos.py

@@ -4,13 +4,14 @@ import shutil
 import subprocess
 import sys
 import tempfile
+import textwrap
 from os import PathLike
 from pathlib import Path
 from typing import Dict, List, NamedTuple, Optional, Sequence, Union
 
 from .environment import ParsedEnvironment
 from .logger import log
-from .util import (BuildOptions, BuildSelector, NonPlatformWheelError,
+from .util import (Architecture, BuildOptions, BuildSelector, NonPlatformWheelError,
                    download, get_build_verbosity_extra_flags, get_pip_script,
                    install_certifi_script, prepare_command)
 
@@ -186,6 +187,12 @@ def setup_python(python_configuration: PythonConfiguration,
 
 
 def build(options: BuildOptions) -> None:
+    if options.architectures != [Architecture.x86_64]:
+        raise ValueError(textwrap.dedent(f'''
+            Invalid archs option {options.architectures}. macOS only supports x86_64 for the moment.
+            If you want to set emulation architectures on Linux, use CIBW_ARCHS_LINUX instead.
+        '''))
+
     temp_dir = Path(tempfile.mkdtemp(prefix='cibuildwheel'))
     built_wheel_dir = temp_dir / 'built_wheel'
     repaired_wheel_dir = temp_dir / 'repaired_wheel'