--- old/make/sun/font/Makefile	2012-05-29 13:34:40.955946716 +0100
+++ new/make/sun/font/Makefile	2012-05-29 13:34:40.738041510 +0100
@@ -90,6 +90,12 @@
 
 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: