1 files changed, 24 insertions, 0 deletions
diff --git a/contrib/bmake/unit-tests/depsrc-use.mk b/contrib/bmake/unit-tests/depsrc-use.mk
new file mode 100644
index 000000000000..17836cd39e23
--- /dev/null
+++ b/contrib/bmake/unit-tests/depsrc-use.mk
@@ -0,0 +1,24 @@
+# $NetBSD: depsrc-use.mk,v 1.4 2020/08/22 12:30:57 rillig Exp $
+#
+# Tests for the special source .USE in dependency declarations,
+# which allows to append common commands to other targets.
+
+all: action directly
+
+first: .USE
+	@echo first 1		# Using ${.TARGET} here would expand to "action"
+	@echo first 2
+
+second: .USE
+	@echo second 1
+	@echo second 2
+
+# It's possible but uncommon to have a .USE target with no commands.
+# This may happen as the result of expanding a .for loop.
+empty: .USE
+
+# It's possible but uncommon to directly make a .USEBEFORE target.
+directly: .USE
+	@echo directly
+
+action: first second empty