From a98272633e07edd7cf991e36bf1f100e89e8aa68 Mon Sep 17 00:00:00 2001
From: arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Thu, 23 May 2002 20:38:27 +0000
Subject: [PATCH] - keeps configure from generating a core when a buggy giflib
 is found - swaps -lgif with -lungif to give compression preference over
 uncompressed by Joey Parrish <joey@yunamusic.com>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6170 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 configure | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/configure b/configure
index 69ef59bcbe..e1387fedf9 100755
--- a/configure
+++ b/configure
@@ -2397,18 +2397,18 @@ int main(void) {
   return 0;
 }
 EOF
-  if cc_check -lungif && "$TMPO" >> "$TMPLOG" ; then
-    _gif=yes
-    _ld_gif="-lungif"
-  elif cc_check -lgif && "$TMPO" >> "$TMPLOG" ; then
+  if cc_check -lgif && "$TMPO" >> "$TMPLOG" ; then
     _gif=yes
     _ld_gif="-lgif"
-  elif cc_check -lungif $_ld_x11 && "$TMPO" >> "$TMPLOG" ; then
+  elif cc_check -lungif && "$TMPO" >> "$TMPLOG" ; then
     _gif=yes
-    _ld_gif="-lungif $_ld_x11"
+    _ld_gif="-lungif"
   elif cc_check -lgif $_ld_x11 && "$TMPO" >> "$TMPLOG" ; then
     _gif=yes
     _ld_gif="-lgif $_ld_x11"
+  elif cc_check -lungif $_ld_x11 && "$TMPO" >> "$TMPLOG" ; then
+    _gif=yes
+    _ld_gif="-lungif $_ld_x11"
   fi
 fi
 
@@ -2421,8 +2421,11 @@ if test "$_gif" = yes ; then
   _def_gif_4='#undef HAVE_GIF_4'
 
   cat > $TMPC << EOF
+#include <signal.h>
 #include <gif_lib.h>
+void catch() { exit(1); }
 int main(void) {
+  signal(SIGSEGV, catch);  // catch segfault
   printf("EGifPutExtensionFirst is at address %p\n", EGifPutExtensionFirst);
   EGifSetGifVersion("89a");   // this will segfault a buggy gif lib.
   return 0;