From 33e81e32a2bd234c6dd3dbc0a982dfc21be15824 Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Tue, 27 Feb 2018 11:03:59 +0100
Subject: [PATCH] configure: fix version check with empty version

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

diff --git a/autoconf/pecl/pecl.m4 b/autoconf/pecl/pecl.m4
index a1df4f0..1763d5d 100644
--- a/autoconf/pecl/pecl.m4
+++ b/autoconf/pecl/pecl.m4
@@ -221,7 +221,7 @@ AC_DEFUN([PECL_HAVE_VERSION], [
 	aversion=_PECL_TR_VERSION([$PECL_CHECKED_VERSION([$1])])
 	mversion=_PECL_TR_VERSION([$2])
 	AC_MSG_CHECKING([whether $1 version $PECL_CHECKED_VERSION([$1]) >= $2])
-	if test "$aversion" -lt "$mversion"; then
+	if test -z "$aversion" || test "$aversion" -lt "$mversion"; then
 		ifelse($4,,AC_MSG_ERROR([no]), [
 			AC_MSG_RESULT([no])
 			$4
-- 
2.30.2