diff -ur a/mozilla/security/coreconf/SunOS5.mk b/mozilla/security/coreconf/SunOS5.mk
--- a/mozilla/security/coreconf/SunOS5.mk	2007-06-18 14:29:33.000000000 +0200
+++ b/mozilla/security/coreconf/SunOS5.mk	2008-05-18 13:25:44.922732000 +0200
@@ -42,10 +42,11 @@
 #
 ifdef MOZILLA_CLIENT
 	LOCAL_THREADS_ONLY = 1
-	ifndef NS_USE_NATIVE
-		NS_USE_GCC = 1
-	endif
+#	ifndef NS_USE_NATIVE
+#		NS_USE_GCC = 1
+#	endif
 endif
+NS_USE_GCC = 1
 
 # Sun's WorkShop defines v8, v8plus and v9 architectures.
 # gcc on Solaris defines v8 and v9 "cpus".