--- configure~	2013-02-15 04:07:31.732217305 +0000
+++ configure	2013-02-15 04:14:50.727477186 +0000
@@ -4966,9 +4966,11 @@
 #include <gif_lib.h>
 static void catch(int sig) { exit(1); }
 int main(void) {
+  GifFileType type;
+
   signal(SIGSEGV, catch);  // catch segfault
-  printf("EGifPutExtensionFirst is at address %p\n", EGifPutExtensionFirst);
-  EGifSetGifVersion("89a");   // this will segfault a buggy gif lib.
+  printf("EGifPutExtensionLeader is at address %p\n", EGifPutExtensionLeader);
+  EGifSetGifVersion(&type, true);   // this will segfault a buggy gif lib.
   return 0;
 }
 EOF
--- libvo/vo_gif89a.c.orig	2011-05-07 11:59:11.000000000 +0100
+++ libvo/vo_gif89a.c	2013-02-15 05:23:50.294026168 +0000
@@ -44,8 +44,15 @@
  * entire argument being interpretted as the filename.
  */
 
+#include <sys/types.h>
 #include <gif_lib.h>
 
+#if GIFLIB_MAJOR >= 5
+#define MakeMapObject GifMakeMapObject
+#define FreeMapObject GifFreeMapObject
+#define QuantizeBuffer GifQuantizeBuffer
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -189,19 +196,29 @@
 	// earlier versions of libungif.  i don't know exactly which,
 	// but certainly in all those before v4.  if you have problems,
 	// you need to upgrade your gif library.
+#if GIFLIB_MAJOR < 5
 #ifdef CONFIG_GIF_4
 	EGifSetGifVersion("89a");
 #else
 	mp_msg(MSGT_VO, MSGL_ERR, "GIF89a: Your version of libungif needs to be upgraded.\n");
 	mp_msg(MSGT_VO, MSGL_ERR, "GIF89a: Some functionality has been disabled.\n");
 #endif
+#endif
 
+#if GIFLIB_MAJOR >= 5
+	new_gif = EGifOpenFileName(gif_filename, 0, NULL);
+#else
 	new_gif = EGifOpenFileName(gif_filename, 0);
+#endif
 	if (new_gif == NULL) {
 		mp_msg(MSGT_VO, MSGL_ERR, "GIF89a: error opening file \"%s\" for output.\n", gif_filename);
 		return 1;
 	}
 
+#if GIFLIB_MAJOR >= 5
+	EGifSetGifVersion(new_gif, true);
+#endif
+
 	slice_data = malloc(img_width * img_height * 3);
 	if (slice_data == NULL) {
 		mp_msg(MSGT_VO, MSGL_ERR, "GIF89a: malloc failed.\n");
@@ -235,9 +252,14 @@
 	// version 3 of libungif does not support multiple control blocks.
 	// looping requires multiple control blocks.
 	// therefore, looping is only enabled for v4 and up.
+#if GIFLIB_MAJOR >= 5
+	EGifPutExtension(new_gif, 0xFF, 11, LB1);
+	EGifPutExtension(new_gif, 0, 3, LB2);
+#else
 	EGifPutExtensionFirst(new_gif, 0xFF, 11, LB1);
 	EGifPutExtensionLast(new_gif, 0, 3, LB2);
 #endif
+#endif
 
 	mp_msg(MSGT_VO, MSGL_DBG2, "GIF89a: Config finished.\n");
 	return 0;
--- libmpdemux/demux_gif.c.orig	2013-02-15 04:34:49.479240490 +0000
+++ libmpdemux/demux_gif.c	2013-02-15 05:20:16.326563017 +0000
@@ -53,6 +53,18 @@
 }
 #endif
 
+#if GIFLIB_MAJOR >= 5
+static void PrintGifErrorStr(char *str)
+{
+  fprintf(stderr, "Error in GIF library: %s\n", str);
+}
+
+static void PrintGifError(int errorCode)
+{
+  PrintGifErrorStr(GifErrorString(errorCode));
+}
+#endif
+
 static int gif_check_file(demuxer_t *demuxer)
 {
   if (stream_read_int24(demuxer->stream) == GIF_SIGNATURE)
@@ -94,14 +106,18 @@
 
   while (type != IMAGE_DESC_RECORD_TYPE) {
     if (DGifGetRecordType(gif, &type) == GIF_ERROR) {
+#if GIFLIB_MAJOR < 5
       PrintGifError();
+#else
+      PrintGifError(gif->Error);
+#endif
       return 0; // oops
     }
     if (type == TERMINATE_RECORD_TYPE)
       return 0; // eof
     if (type == SCREEN_DESC_RECORD_TYPE) {
       if (DGifGetScreenDesc(gif) == GIF_ERROR) {
-        PrintGifError();
+        PrintGifError(gif->Error);
         return 0; // oops
       }
     }
@@ -109,7 +125,7 @@
       int code;
       unsigned char *p = NULL;
       if (DGifGetExtension(gif, &code, &p) == GIF_ERROR) {
-        PrintGifError();
+        PrintGifError(gif->Error);
         return 0; // oops
       }
       if (code == 0xF9) {
@@ -138,7 +154,7 @@
 	  comments[length] = 0;
 	  printf("%s", comments);
           if (DGifGetExtensionNext(gif, &p) == GIF_ERROR) {
-            PrintGifError();
+            PrintGifError(gif->Error);
             return 0; // oops
           }
 	}
@@ -146,7 +162,7 @@
       }
       while (p != NULL) {
         if (DGifGetExtensionNext(gif, &p) == GIF_ERROR) {
-          PrintGifError();
+          PrintGifError(gif->Error);
           return 0; // oops
         }
       }
@@ -154,7 +170,7 @@
   }
 
   if (DGifGetImageDesc(gif) == GIF_ERROR) {
-    PrintGifError();
+    PrintGifError(gif->Error);
     return 0; // oops
   }
 
@@ -167,7 +183,7 @@
     memset(dp->buffer, gif->SBackGroundColor, priv->w * priv->h);
 
   if (DGifGetLine(gif, buf, len) == GIF_ERROR) {
-    PrintGifError();
+    PrintGifError(gif->Error);
     free(buf);
     return 0; // oops
   }
@@ -241,6 +257,9 @@
   gif_priv_t *priv = calloc(1, sizeof(gif_priv_t));
   sh_video_t *sh_video = NULL;
   GifFileType *gif = NULL;
+#if GIFLIB_MAJOR >= 5
+  int error = 0;
+#endif
 
   priv->current_pts = 0;
   demuxer->seekable = 0; // FIXME
@@ -257,13 +276,25 @@
   lseek(demuxer->stream->fd, 0, SEEK_SET);
   gif = DGifOpenFileHandle(demuxer->stream->fd);
 #else
+#if GIFLIB_MAJOR < 5
   gif = DGifOpen(demuxer->stream, my_read_gif);
-#endif
+
   if (!gif) {
     PrintGifError();
     free(priv);
     return NULL;
   }
+#else
+
+  gif = DGifOpen(demuxer->stream, my_read_gif, &error);
+  
+  if (error) {
+    PrintGifError(error);
+    free(priv);
+    return NULL;
+  }
+#endif
+#endif
 
   // create a new video stream header
   sh_video = new_sh_video(demuxer, 0);
@@ -302,7 +333,11 @@
   gif_priv_t *priv = demuxer->priv;
   if (!priv) return;
   if (priv->gif && DGifCloseFile(priv->gif) == GIF_ERROR)
+#if GIFLIB_MAJOR < 5
     PrintGifError();
+#else
+    PrintGifError(priv->gif->Error);
+#endif
   free(priv->refimg);
   free(priv);
 }