diff -r 000000000000 -r 6474c204b198 build/pymake/tests/patsubst.mk
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/build/pymake/tests/patsubst.mk	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+all:
+	test "$(patsubst foo,%.bar,foo)" = "%.bar"
+	test "$(patsubst \%word,replace,word %word other)" = "word replace other"
+	test "$(patsubst %.c,\%%.o,foo.c bar.o baz.cpp)" = "%foo.o bar.o baz.cpp"
+	test "$(patsubst host_%.c,host_%.o,dir/host_foo.c host_bar.c)" = "dir/host_foo.c host_bar.o"
+	test "$(patsubst foo,bar,dir/foo foo baz)" = "dir/foo bar baz"
+	@echo TEST-PASS