Immediate benefit: when you use "make -t" to avoid a global recompile
after a trivial header file touchup, Make will no longer create files
named all, oldsharedmods, and sharedmods.
(Not sure if I tracked down all such targets. Not sure if I care.)
Python/thread.o: @THREADHEADERS@
+# Declare targets that aren't real files
+.PHONY: all sharedmods oldsharedmods test quicktest memtest
+.PHONY: install altinstall oldsharedinstall bininstall altbininstall
+.PHONY: maninstall libinstall inclinstall libainstall sharedinstall
+.PHONY: frameworkinstall frameworkinstallframework frameworkinstallstructure
+.PHONY: frameworkinstallmaclib frameworkinstallapps frameworkinstallunixtools
+.PHONY: recheck autoconf clean clobber distclean smelly funny
+
# IF YOU PUT ANYTHING HERE IT WILL GO AWAY