From 09cd96287f72032f4d49a779d65e1546e85f6b9f Mon Sep 17 00:00:00 2001
From: glennrp <glennrp@git.imagemagick.org>
Date: Tue, 22 Jan 2013 15:17:38 +0000
Subject: [PATCH] Disable setting cache_max when libpng version is older than
 1.4.0

---
 coders/png.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/coders/png.c b/coders/png.c
index e40c9c958..e5527cae2 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -2288,10 +2288,12 @@ static Image *ReadOnePNGImage(MngInfo *mng_info,
 #endif
 
 #ifdef PNG_SET_USER_LIMITS_SUPPORTED
+#  if (PNG_LIBPNG_VER >= 10400)
     /* Limit the size of the chunk storage cache used for sPLT, text,
      * and unknown chunks, and for expansion of iTXt, zTXt, and iCCP chunks.
      */
     png_set_chunk_cache_max(ping, 65536);
+#  endif
 #endif
 
 #ifdef PNG_READ_CHECK_FOR_INVALID_INDEX_SUPPORTED
-- 
2.50.1