$NetBSD: patch-configure.ac,v 1.1 2014/02/26 04:00:57 agc Exp $

The test for string equality in test(1) is "="

--- configure.ac.orig	2013-06-14 20:43:00.000000000 -0700
+++ configure.ac	2014-02-25 10:52:06.000000000 -0800
@@ -86,12 +86,14 @@
 fi
 
 AC_PROG_YACC
+if false; then
 if test "x$YACC" != "xbison -y"; then
   echo "************************"
   echo "bison not found"
   echo "************************"
   exit -1
 fi
+fi
 
 # Checks for libraries.
 lib_err_msg="add its path to LDFLAGS\nsee ./configure --help"
@@ -148,7 +150,7 @@
 
 CFLAGS="$CFLAGS -Wall -W -Wfloat-equal -Wpointer-arith -Wcast-align -Wstrict-prototypes -Wredundant-decls \
 -Wendif-labels -Wshadow -pipe -ffast-math -U__STRICT_ANSI__ -std=gnu99"
-if test "$with_debug" == "y"; then
+if test "$with_debug" = "y"; then
     CFLAGS="$CFLAGS -g3 -O0"
 elif test "$with_enable_optimized" != "no"; then
    	CFLAGS="$CFLAGS -g -O2"