$NetBSD: patch-ac,v 1.6 2013/08/13 00:17:36 wen Exp $
Add -Wno-char-subscripts to CFLAGS
--- configure.orig	2013-08-13 07:58:03.000000000 +0000
+++ configure
@@ -4299,7 +4299,7 @@ rm -f core conftest.err conftest.$ac_obj
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC accepts -Wall" >&5
 $as_echo_n "checking if $CC accepts -Wall... " >&6; }
  pa_add_cflags__old_cflags="$CFLAGS"
- CFLAGS="$CFLAGS -Wall"
+ CFLAGS="$CFLAGS -Wall -Wno-char-subscripts"
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdio.h>
