+using-bin: contrib-macosx-$(ARCH)-$(CONTRIBREV).tar.bz2
+ @if test -d tmp; then \
+ echo "Move away ./tmp, it's in the way" ; \
+ exit 1 ; \
+ fi
+ mkdir tmp
+ (cd tmp && tar jxvf ../$<)
+ ./change_prefix.sh tmp @@CONTRIB_PREFIX@@ $(PREFIX)
+ for dir in `(cd tmp && find . -type d)`; do mkdir -p -- $$dir; done
+ for i in `(cd tmp && find . -not -type d)`; do mv -f tmp/$$i $$i; done
+ rm -rf tmp
+endif