From 92169c8d5fd3ecee207959bb5d5a415bbfbb6b58 Mon Sep 17 00:00:00 2001
From: Jani Taskinen <jani@php.net>
Date: Wed, 16 Jul 2008 16:22:32 +0000
Subject: [PATCH] - Prevent errors in CVS builds when bison is not there (for
 Sean :)

---
 configure.in | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/configure.in b/configure.in
index 3ebbd03ea2..452a96d00b 100644
--- a/configure.in
+++ b/configure.in
@@ -166,6 +166,15 @@ PHP_PROG_AWK
 PHP_PROG_BISON
 PHP_PROG_RE2C
 
+dnl Check if bison generated files exist when bison does not..
+case $php_cv_bison_version in
+  ""|invalid[)]
+    if ! test -f "$abs_srcdir/Zend/zend_language_parser.h" || ! test -f "$abs_srcdir/Zend/zend_language_parser.c" ; then
+      AC_MSG_ERROR([bison is required to build PHP/Zend when building a CVS checkout!])
+    fi
+    ;;
+esac
+
 PHP_ARG_ENABLE(re2c-cgoto, whether to enable computed goto gcc extension with re2c,
 [  --enable-re2c-cgoto     Enable -g flag to re2c to use computed goto gcc extension], no, no)
 
-- 
2.50.1