Suggested by Pete Shinners: treat .m and .mm files as source code.
Question for Jack Jansen: is this reasonable?
Candidate for 2.2 release branch (if Jack thinks it's OK).
diff --git a/Lib/distutils/extension.py b/Lib/distutils/extension.py
index fbae7c5..a31ccbc 100644
--- a/Lib/distutils/extension.py
+++ b/Lib/distutils/extension.py
@@ -160,7 +160,7 @@
suffix = os.path.splitext(word)[1]
switch = word[0:2] ; value = word[2:]
- if suffix in (".c", ".cc", ".cpp", ".cxx", ".c++"):
+ if suffix in (".c", ".cc", ".cpp", ".cxx", ".c++", ".m", ".mm"):
# hmm, should we do something about C vs. C++ sources?
# or leave it up to the CCompiler implementation to
# worry about?