--- SDL-1.2.9.vanilla/configure.in	2009-02-24 19:53:25.000000000 +0100
+++ SDL-1.2.9/configure.in	2009-02-24 20:08:10.000000000 +0100
@@ -1,6 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_INIT(README)
 
+AM_PROG_AS
 dnl Set various version strings - taken gratefully from the GTk sources
 #
 # Making releases: