From d77cfc283649bacd0b43f650f6d4b70a84501dee Mon Sep 17 00:00:00 2001
From: erikj <unknown>
Date: Mon, 4 Feb 2013 10:53:38 +0100
Subject: [PATCH] 8007093: build-infra: Make should fail if spec is older than
 configure files Reviewed-by: tbell

---
 common/makefiles/Main.gmk | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/common/makefiles/Main.gmk b/common/makefiles/Main.gmk
index c96747f..ded49ff 100644
--- a/common/makefiles/Main.gmk
+++ b/common/makefiles/Main.gmk
@@ -75,7 +75,14 @@ ifeq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU_BITS),solaris-64)
   all: overlay-images
 endif
 
-start-make:
+# Setup a rule for SPEC file that fails if executed. This check makes sure the configuration
+# is up to date after changes to configure
+$(SPEC): $(wildcard $(SRC_ROOT)/common/autoconf/*)
+	@$(ECHO) ERROR: $(SPEC) is not up to date
+	@$(ECHO) Please rerun configure!
+	@if test "x$(IGNORE_OLD_CONFIG)" != "xtrue"; then exit 1; fi
+
+start-make: $(SPEC)
 	@$(call AtMakeStart)
 
 langtools: langtools-only
-- 
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