From ee8f402af8c964acac5740ee1677a7b47e20a883 Mon Sep 17 00:00:00 2001
From: Joe Watkins <krakjoe@php.net>
Date: Fri, 13 May 2016 09:21:28 +0100
Subject: [PATCH] fix 1f52a03082b2816826bc5bd8c241f5d016d15395

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

diff --git a/acinclude.m4 b/acinclude.m4
index dd815c9db0..db146aaf2f 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -2699,7 +2699,7 @@ EOF
     break
    fi
    for var in CFLAGS CXXFLAGS CPPFLAGS LDFLAGS EXTRA_LDFLAGS_PROGRAM LIBS CC CXX; do
-    if test `expr $CURRENT_ARG : ".*${var}.*"` != 0;
+    if test `expr "X$CURRENT_ARG" : "X.*${var}.*"` != 0;
 	then
       continue 2
 	fi
-- 
2.40.0