diff -r 000000000000 -r 6474c204b198 build/pymake/tests/parallel-native.mk
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build/pymake/tests/parallel-native.mk	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+#T commandline: ['-j2']
+
+# ensure that calling python commands doesn't block other targets
+ifndef SLEEP
+SLEEP := sleep
+endif
+
+PRINTF = printf "$@:0:" >>results
+EXPECTED = target2:0:target1:0:
+
+all:: target1 target2
+	cat results
+	test "$$(cat results)" = "$(EXPECTED)"
+	@echo TEST-PASS
+
+target1:
+	$(SLEEP) 0.1
+	$(PRINTF)
+
+target2:
+	$(PRINTF)