From 6d3ca9de2cc64f618dbe9c0cbbcca496ed241eba Mon Sep 17 00:00:00 2001
From: Juli Mallett <jmallett@FreeBSD.org>
Date: Sun, 21 Apr 2002 00:41:37 +0000
Subject: [PATCH] Check to see if make(1)'s handling of doubly-defined targets
 is busted or not.  A lot relies on this.

---
 tools/build/make_check/Makefile        | 11 +++++++++++
 tools/regression/usr.bin/make/Makefile | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/tools/build/make_check/Makefile b/tools/build/make_check/Makefile
index 97ecdb5897b5..9b65f9051677 100644
--- a/tools/build/make_check/Makefile
+++ b/tools/build/make_check/Makefile
@@ -14,6 +14,17 @@ all:
 	@echo 1:${DATA1} 2:${DATA2} 3:${DATA3} 4:${DATA4} 5:${DATA5} | \
 		diff -u ${.CURDIR}/regress.variables.out - || ${MAKE} failure
 	@echo "Test variables detected no regression, output matches."
+	@echo "Running test targets"
+	@${MAKE} double || ${MAKE} failure
+	@echo "Test targets detected no regression."
+
+# Doubly-defined targets.  NetBSD make(1) will warn, ours will silently use the
+# ``right'' one.
+double:
+	@true
+
+double:
+	@false
 
 failure:
 	@echo "Test failed: regression detected.  See above."
diff --git a/tools/regression/usr.bin/make/Makefile b/tools/regression/usr.bin/make/Makefile
index 97ecdb5897b5..9b65f9051677 100644
--- a/tools/regression/usr.bin/make/Makefile
+++ b/tools/regression/usr.bin/make/Makefile
@@ -14,6 +14,17 @@ all:
 	@echo 1:${DATA1} 2:${DATA2} 3:${DATA3} 4:${DATA4} 5:${DATA5} | \
 		diff -u ${.CURDIR}/regress.variables.out - || ${MAKE} failure
 	@echo "Test variables detected no regression, output matches."
+	@echo "Running test targets"
+	@${MAKE} double || ${MAKE} failure
+	@echo "Test targets detected no regression."
+
+# Doubly-defined targets.  NetBSD make(1) will warn, ours will silently use the
+# ``right'' one.
+double:
+	@true
+
+double:
+	@false
 
 failure:
 	@echo "Test failed: regression detected.  See above."