diff -Naur varnish-3.0.4.orig/configure.ac varnish-3.0.4/configure.ac
--- varnish-3.0.4.orig/configure.ac	2013-06-14 04:39:32.000000000 -0400
+++ varnish-3.0.4/configure.ac	2013-06-21 08:48:32.000000000 -0400
@@ -4,7 +4,7 @@
 AC_REVISION([$Id: varnish-3.0.4-fix-automake-1.13.patch,v 1.1 2013/06/21 12:51:35 blueness Exp $])
 AC_INIT([Varnish], [3.0.4], [varnish-dev@varnish-cache.org])
 AC_CONFIG_SRCDIR(include/varnishapi.h)
-AM_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS(config.h)
 
 # save command line CFLAGS for use in VCC_CC (to pass through things like -m64)
 OCFLAGS="$CFLAGS"