From 0def57d61ef7c6738341da3321bca11eaa522f6b Mon Sep 17 00:00:00 2001
From: Xuefer <xuefer@gmail.com>
Date: Tue, 19 Sep 2006 00:35:40 +0000
Subject: [PATCH] added argument "stop execution after first warning" for m4 to
 fail if anything wrong in structinfo.m4. our m4 scripts is warning free

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@186 c26eb9a1-5813-0410-bd6c-c2e55f420ca7
---
 config.m4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/config.m4 b/config.m4
index 6007b4a..94f9804 100644
--- a/config.m4
+++ b/config.m4
@@ -68,6 +68,9 @@ if test "$PHP_XCACHE" != "no"; then
   fi
   PHP_SUBST([AWK])
   AC_PATH_PROGS([M4], [m4])
+  if echo | "$M4" -E > /dev/null 2>&1 ; then
+    M4="$M4 -E"
+  fi
   PHP_SUBST([M4])
   AC_PATH_PROGS([GREP], [grep])
   PHP_SUBST([GREP])