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$NetBSD: patch-aa,v 1.7 2007/08/06 12:54:25 gdt Exp $
--- configure.in.orig 2007-06-28 12:16:52.000000000 -0400
+++ configure.in
@@ -30,10 +30,7 @@ AM_PROG_LEX
if test -z "${ac_cv_prog_LEX}" ; then
AC_MSG_ERROR([Build requires flex or lex lexical analyzer generator])
fi
-AC_PROG_YACC
-if test -z "${ac_cv_prog_YACC}" ; then
- AC_MSG_ERROR([Build requires bison, byacc or yacc parser generator])
-fi
+AC_CHECK_PROGS(YACC, 'bison -y' byacc yacc)
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL
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