+REALGOALS=$(filter-out bootstrapping-files framework-pkg clean clean_% distclean maintainer-clean show help,$(MAKECMDGOALS))
+
+# On Solaris, the builtin test doesn't support -nt, you have to use
+# /usr/bin/test. On MSYS, however, /usr/bin/test does not exist. How
+# nice.
+TEST=$(if $(wildcard /usr/bin/test),/usr/bin/test,test)
+
+# configure touches certain files even if they haven't changed. This
+# can mean a lot of unnecessary recompilation after a re-configure, so
+# here we cache the old versions of these files so we can restore the
+# timestamps.
+%.old: %
+ @set -x && [ -f $@ ] && cmp -s $< $@ || cp -p $< $@
+ touch -r $@ $<
+