reuse fetched deps in when building freebsd package, too

Author: Andrei Zavada

rel/pkg/fbsdng/Makefile

@@ -97,6 +97,8 @@ $(BUILD_STAGE_DIR): buildrel
 #  * copy the vars.config over for build config
 buildrel:
 	tar -xf $(BASE_DIR)/rel/pkg/out/$(PKG_ID).tar.gz -C $(BASE_DIR)/rel/pkg/out/$(PKG_ID)
+	cd $(BASE_DIR)/rel/pkg/out/$(PKG_ID); \
+	(mkdir -p _build/default && cd _build/default && for d in lib; do ln -fs $(BASE_DIR)/_build/default/$$d; done); \
 	$(MAKE) -C $(BASE_DIR)/rel/pkg/out/$(PKG_ID) rel-fbsdng
 	rm -rf rel/riak/lib/*/c_src rel/riak/lib/*/src
 	chmod 0755 rel/riak/bin/* rel/riak/erts-*/bin/*