diff -r 000000000000 -r 6474c204b198 build/pymake/tests/call.mk
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build/pymake/tests/call.mk	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+test = $0
+reverse = $2 $1
+twice = $1$1
+sideeffect = $(shell echo "called$1:" >>dummyfile)
+
+all:
+	test "$(call test)" = "test"
+	test "$(call reverse,1,2)" = "2 1"
+# expansion happens *before* substitution, thank sanity
+	test "$(call twice,$(sideeffect))" = ""
+	test `cat dummyfile` = "called:"
+	@echo TEST-PASS