diff --git a/lib/Makefile b/lib/Makefile
new file mode 100644
index 00000000..07a149a3
--- /dev/null
+++ b/lib/Makefile
@@ -0,0 +1,7 @@
+SUBDIRS := $(wildcard */.)
+
+all: $(SUBDIRS)
+$(SUBDIRS):
+	$(MAKE) -C $@
+
+.PHONY: all $(SUBDIRS)