diff --git a/make/subdirs.mk b/make/subdirs.mk
new file mode 100644
index 00000000..0392e1d9
--- /dev/null
+++ b/make/subdirs.mk
@@ -0,0 +1,24 @@
+ifdef SUBDIRS
+
+all.dirs:
+	for dir in $(SUBDIRS); do make -C $$dir all; done
+install.dirs:
+	for dir in $(SUBDIRS); do make -C $$dir install; done
+clean.dirs:
+	for dir in $(SUBDIRS); do make -C $$dir clean; done
+distclean.dirs:
+	for dir in $(SUBDIRS); do make -C $$dir distclean; done
+
+all: all.dirs
+install: install.dirs
+clean: clean.dirs
+distclean: distclean.dirs
+
+else
+
+all.dirs:
+install.dirs:
+clean.dirs:
+distclean.dirs:
+
+endif