Don't delete glmodule.c on 'make clobber' (it's a checked in file!).
diff --git a/Modules/Makefile.pre.in b/Modules/Makefile.pre.in
index 076fada..637506f 100644
--- a/Modules/Makefile.pre.in
+++ b/Modules/Makefile.pre.in
@@ -132,7 +132,7 @@
 		-rm -f *.o python core *~ [@,#]* *.old *.orig *.rej add2lib
 
 clobber:	clean
-		-rm -f *.a tags TAGS config.c glmodule.c Makefile.pre
+		-rm -f *.a tags TAGS config.c Makefile.pre
 		-rm -f *.so *.sl so_locations
 
 getpath.o:	getpath.c Makefile