Use either libungif (deprecated) or giflib.

Signed-off-by: Jonas Karlsson <jonas(at)gobolinux.org

--- ekg-1.7/configure.in	2007-03-11 13:27:04.000000000 +0100
+++ ekg-1.7/configure.in.new	2008-09-22 22:36:08.000000000 +0200
@@ -463,17 +463,28 @@
 dnl  Sprawdzamy libungif.so i <gif_lib.h>
 dnl
   
-AC_ARG_WITH(libungif,
-	[  --without-libungif      Compile without GIF token support])
+AC_ARG_WITH(gif,
+	[  --without-gif      Compile without GIF token support])
 
-if test "x$with_libungif" != "xno"; then
+if test "x$with_gif" != "xno"; then
 	AC_CHECK_LIB(ungif, DGifSlurp,
 	[ 
 		AC_CHECK_HEADERS(gif_lib.h,
 		[
-			AC_DEFINE(HAVE_LIBUNGIF, 1, [define if you have libungif])
+			AC_DEFINE(HAVE_GIF, 1, [define if you have gif])
 			LDFLAGS="-lungif $LDFLAGS"
-			have_libungif=yes
+			have_gif=yes
+			libgif=libungif
+		])
+	])
+	AC_CHECK_LIB(gif, DGifSlurp,
+	[ 
+		AC_CHECK_HEADERS(gif_lib.h,
+		[
+			AC_DEFINE(HAVE_GIF, 1, [define if you have gif])
+			LDFLAGS="-lgif $LDFLAGS"
+			have_gif=yes
+			libgif=giflib
 		])
 	])
 fi
@@ -692,10 +703,10 @@
 	echo " - pthread: disabled"
 fi
 
-if test "x$have_libungif" = "xyes"; then
-	echo " - libungif: enabled"
+if test "x$have_gif" = "xyes"; then
+	echo " - gif: $libgif"
 else
-	echo " - libungif: disabled"
+	echo " - gif: disabled"
 fi
 
 if test "x$have_libjpeg" = "xyes"; then