diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..3596418
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+#!/usr/bin/make
+
+SUBDIRS = source
+
+all %:
+	@for dir in $(SUBDIRS); do \
+	$(MAKE) -C $$dir $@ || exit; \
+	done
+