From 1b6a45d291d2cd96dc2e00640d4d40a2210a3aec Mon Sep 17 00:00:00 2001
From: Andrew John Hughes <andrew@openjdk.org>
Date: Wed, 30 May 2012 16:17:48 +0100
Subject: [PATCH] 7171223: Building ExtensionSubtables.cpp should use
 -fno-strict-aliasing

GCC 4.4+ have stricter aliasing requirements which produces a new warning from this code

Reviewed-by: prr, ohair
---
 jdk/make/sun/font/Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/jdk/make/sun/font/Makefile b/jdk/make/sun/font/Makefile
index 5dd35dd533e..b449b5a3dc3 100644
--- a/jdk/make/sun/font/Makefile
+++ b/jdk/make/sun/font/Makefile
@@ -90,6 +90,12 @@ else # PLATFORM unix
 
 endif # PLATFORM
 
+# Turn off aliasing with GCC for ExtensionSubtables.cpp
+ifeq ($(PLATFORM), linux)
+  CXXFLAGS += $(CXXFLAGS_$(@F))
+  CXXFLAGS_ExtensionSubtables.o = -fno-strict-aliasing
+endif
+
 #In the non-OpenJDK mode we need to build T2K
 ifndef OPENJDK
 t2k: