Autodetect libgif so extension and try to load it.

configure

@@ -15546,6 +15546,80 @@ cat >>confdefs.h <<_ACEOF
 #define SONAME_LIBUNGIF "$ac_cv_lib_soname_ungif"
 _ACEOF
 fi
+
+echo "$as_me:$LINENO: checking for -lgif soname" >&5
+echo $ECHO_N "checking for -lgif soname... $ECHO_C" >&6
+if test "${ac_cv_lib_soname_gif+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_get_soname_save_LIBS=$LIBS
+LIBS="-lgif  $LIBS"
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char DGifOpen ();
+int
+main ()
+{
+DGifOpen ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_soname_gif=`$ac_cv_path_LDD conftest$ac_exeext | grep libgif\\.$LIBEXT | sed "s/^.*\(libgif\.$LIBEXT[^	 ]*\).*$/\1/"`
+  if test "x$ac_cv_lib_soname_gif" = "x"
+  then
+     ac_cv_lib_soname_gif="libgif.$LIBEXT"
+  fi
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_soname_gif="libgif.$LIBEXT"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+  LIBS=$ac_get_soname_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_soname_gif" >&5
+echo "${ECHO_T}$ac_cv_lib_soname_gif" >&6
+if test "x$ac_cv_lib_soname_gif" != xNONE
+then
+cat >>confdefs.h <<_ACEOF
+#define SONAME_LIBGIF "$ac_cv_lib_soname_gif"
+_ACEOF
+fi
 fi
 
 

configure.ac

@@ -1028,6 +1028,7 @@ then
   WINE_GET_SONAME(curses,waddch)
   WINE_GET_SONAME(jpeg,jpeg_start_decompress)
   WINE_GET_SONAME(ungif,DGifOpen)
+  WINE_GET_SONAME(gif,DGifOpen)
 fi
 
 

dlls/oleaut32/olepicture.c

@@ -50,9 +50,12 @@
  */
 #ifdef HAVE_GIF_LIB_H
 # include <gif_lib.h>
-#ifndef SONAME_LIBUNGIF
-#define SONAME_LIBUNGIF "libungif.so"
-#endif
+# ifndef SONAME_LIBUNGIF
+#  define SONAME_LIBUNGIF "libungif.so"
+# endif
+# ifndef SONAME_LIBGIF
+#  define SONAME_LIBGIF "libgif.so"
+# endif
 #endif
 
 #define NONAMELESSUNION
@@ -903,7 +906,9 @@ struct gifdata {
 
 static void *load_libungif(void)
 {
-    if((libungif_handle = wine_dlopen(SONAME_LIBUNGIF, RTLD_NOW, NULL, 0)) != NULL) {
+    if(((libungif_handle = wine_dlopen(SONAME_LIBUNGIF, RTLD_NOW, NULL, 0)) != NULL) ||
+       ((libungif_handle = wine_dlopen(SONAME_LIBGIF  , RTLD_NOW, NULL, 0)) != NULL)
+    ) {
 
 #define LOAD_FUNCPTR(f) \
     if((p##f = wine_dlsym(libungif_handle, #f, NULL, 0)) == NULL) { \
@@ -1022,7 +1027,7 @@ static HRESULT WINAPI OLEPictureImpl_Load(IPersistStream* iface,IStream*pStm) {
 
     if(!libungif_handle) {
         if(!load_libungif()) {
-            FIXME("Failed reading GIF because unable to find %s\n", SONAME_LIBUNGIF);
+            FIXME("Failed reading GIF because unable to find %s/%s\n", SONAME_LIBUNGIF, SONAME_LIBGIF);
             return E_FAIL;
         }
     }

include/config.h.in

@@ -881,6 +881,9 @@
 /* Define to the soname of the libfreetype library. */
 #undef SONAME_LIBFREETYPE
 
+/* Define to the soname of the libgif library. */
+#undef SONAME_LIBGIF
+
 /* Define to the soname of the libGL library. */
 #undef SONAME_LIBGL