--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -, +, @@ 
--- nsprpub/pr/include/prtypes.h        29 Apr 2005 21:02:54 -0000      3.30
+++ nsprpub/pr/include/prtypes.h        13 Oct 2005 17:43:36 -0000      3.31
@@ -178,7 +178,9 @@ 
 #else /* Unix */
-#ifdef HAVE_VISIBILITY_PRAGMA
+/* GCC 3.3 and later support the visibility attribute. */
+#if (__GNUC__ >= 4) || \
+    (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)
 #define PR_VISIBILITY_DEFAULT __attribute__((visibility("default")))
 #else
 #define PR_VISIBILITY_DEFAULT