--- /dev/null
+# Hacky makefile to compile everything and run the tests in some kind of sane order.
+# V=--verbose for verbose tests.
+
+CFLAGS=-O3 -Wall -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Werror -I.
+
+ALL=$(patsubst %/test, %, $(wildcard */test))
+ALL_DEPENDS=$(patsubst %, %/.depends, $(ALL))
+
+test-all: $(ALL_DEPENDS)
+ $(MAKE) `for f in $(ALL); do echo test-$$f test-$$f; while read d; do echo test-$$d test-$$f; done < $$f/.depends; done | tsort`
+
+distclean: clean
+ rm -f */_info
+ rm -f $(ALL_DEPENDS)
+
+$(ALL_DEPENDS): %/.depends: %/_info
+ @$< depends > $@ || ( rm -f $@; exit 1 )
+
+test-%: ccan_tools/run_tests
+ @echo Testing $*...
+ @if ccan_tools/run_tests $(V) $* | grep ^'not ok'; then exit 1; else exit 0; fi
+
+clean: ccan_tools-clean
+ rm -f `find . -name '*.o'`
+
+include ccan_tools/Makefile