From 9a88c2d62c41269779deeb96fcd0fe6dc4eef5ef Mon Sep 17 00:00:00 2001
From: Rasmus Lerdorf <rasmus@php.net>
Date: Tue, 7 Oct 2003 22:39:54 +0000
Subject: [PATCH] MFB bison configure test fix

---
 Zend/Zend.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
index 4445dd0e0e..83c764a058 100644
--- a/Zend/Zend.m4
+++ b/Zend/Zend.m4
@@ -10,7 +10,7 @@ if test "$YACC" != "bison -y"; then
     AC_MSG_WARN(You will need bison if you want to regenerate the Zend parser.)
 else
     AC_MSG_CHECKING(bison version)
-    set `bison --version| grep 'GNU Bison' | cut -d ' ' -f 4 | sed -e 's/\./ /'`
+    set `bison --version| grep 'GNU Bison' | cut -d ' ' -f 4 | sed -e 's/\./ /' | tr -d 'a-z'`
     if test "${1}" = "1" -a "${2}" -lt "28"; then
         AC_MSG_WARN(You will need bison 1.28 if you want to regenerate the Zend parser (found ${1}.${2}).)
     fi
-- 
2.50.1