diff -r 000000000000 -r 6474c204b198 build/pymake/tests/include-regen.mk
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build/pymake/tests/include-regen.mk	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+# avoid infinite loops by not remaking makefiles with
+# double-colon no-dependency rules
+# http://www.gnu.org/software/make/manual/make.html#Remaking-Makefiles
+-include notfound.mk
+
+all:
+	@echo TEST-PASS
+
+notfound.mk::
+	@echo TEST-FAIL