1 files changed, 30 insertions, 0 deletions
diff --git a/update-file-lists.mk b/update-file-lists.mk
new file mode 100755
index 0000000..4922758
--- /dev/null
+++ b/update-file-lists.mk
@@ -0,0 +1,30 @@
+#!/usr/bin/make -srf
+
+summary := $(wildcard */summary)
+
+which ?= all
+
+ifeq (,$(summary))
+
+dirs := $(wildcard */)
+
+$(which).list: $(dirs:=$(which).list)
+	cat -- $^ > $@.new
+	mv -f $@.new $@
+
+me := $(MAKEFILE_LIST)
+
+FORCE:;
+$(dirs:=$(which).list): FORCE
+	$(MAKE) -f `(cd $(dir $(me)); pwd)`/$(notdir $(me)) \
+		-C $(@D) which=$(which)
+
+else
+
+$(which).list: %.list: $(summary)
+	(echo 'all:\'; \
+	 list-files.sh $* | sed 's,^.*$$,test@/&\\,'; \
+	 echo \;) > $@.new
+	mv -f $@.new $@
+
+endif