Merge pull request #7224 from radarhere/mingw

Author: hugovk

docs/installation.rst

@@ -312,6 +312,11 @@ Many of Pillow's features require external libraries:
             mingw-w64-x86_64-libimagequant \
             mingw-w64-x86_64-libraqm
 
+    https://www.msys2.org/docs/python/ states that setuptools >= 60 does not work with
+    MSYS2. To workaround this, before installing Pillow you must run::
+
+        export SETUPTOOLS_USE_DISTUTILS=stdlib
+
 .. tab:: FreeBSD
 
     .. Note:: Only FreeBSD 10 and 11 tested