$NetBSD: patch-configure,v 1.1 2013/10/06 08:25:37 obache Exp $

* check existence of alloca.h

--- configure.orig	2006-05-01 17:14:51.000000000 +0000
+++ configure
@@ -2960,7 +2960,7 @@ fi
 
 
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
-		  inttypes.h stdint.h unistd.h
+		  inttypes.h stdint.h unistd.h alloca.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 echo "$as_me:$LINENO: checking for $ac_header" >&5