Make pure-python wheels and eggs possible (msgpack#467)

hexagonrecursion · web-flow · commit 010de11bedde · 2021-02-27T10:50:24.000+09:00
diff --git a/setup.py b/setup.py
@@ -88,7 +88,7 @@ def __init__(self, *args, **kwargs):
     macros = [("__LITTLE_ENDIAN__", "1")]
 
 ext_modules = []
-if not PYPY and not PY2:
+if not PYPY and not PY2 and not os.environ.get("MSGPACK_PUREPYTHON"):
     ext_modules.append(
         Extension(
             "msgpack._cmsgpack",
