@ -6,7 +6,7 @@ diff -rupN --no-dereference Pillow-9.1.1/setup.py Pillow-9.1.1-new/setup.py
-PLATFORM_MINGW = os.name == "nt" and "GCC" in sys.version
+PLATFORM_MINGW = "mingw32" in os.getenv("CC")
+PLATFORM_MINGW = "mingw32" in os.getenv("CC", [])
PLATFORM_PYPY = hasattr(sys, "pypy_version_info")