From 8e636ea6806ab5d1f1d05bafd0a192dad06d42b6 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Wed, 27 Mar 2013 17:36:28 -0400
Subject: [PATCH] Protect gcc diagnostic pragmas with gcc version

---
 libqpdf/Pl_Flate.cc | 4 ++++
 1 file changed, 4 insertions(+), 0 deletions(-)

diff --git a/libqpdf/Pl_Flate.cc b/libqpdf/Pl_Flate.cc
index be8ca8b..297cdac 100644
--- a/libqpdf/Pl_Flate.cc
+++ b/libqpdf/Pl_Flate.cc
@@ -77,8 +77,10 @@ Pl_Flate::handleData(unsigned char* data, int len, int flush)
         // deflateInit and inflateInit are macros that use old-style
         // casts.
 #ifdef __GNUC__
+# if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406
 #       pragma GCC diagnostic push
 #       pragma GCC diagnostic ignored "-Wold-style-cast"
+# endif
 #endif
 	if (this->action == a_deflate)
 	{
@@ -89,7 +91,9 @@ Pl_Flate::handleData(unsigned char* data, int len, int flush)
 	    err = inflateInit(&zstream);
 	}
 #ifdef __GNUC__
+# if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406
 #       pragma GCC diagnostic pop
+# endif
 #endif
 
 	checkError("Init", err);
--
libgit2 0.21.4