From 871770f169f6a9a996d22cbd63128c53b7b4370c Mon Sep 17 00:00:00 2001
From: Johan Oudinet <johan.oudinet@green-communications.fr>
Date: Tue, 24 Mar 2015 15:54:31 +0100
Subject: erts: Fix incorrect use of AC_EGREP_CPP

Using 'AC_EGREP_CPP(yes' without restraining the pattern always return
true if it runs from a path containing the string 'yes'.
---
 erts/aclocal.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'erts/aclocal.m4')

diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index 83f735d332..73fa5d3603 100644
--- a/erts/aclocal.m4
+++ b/erts/aclocal.m4
@@ -559,7 +559,7 @@ dnl
 
 AC_DEFUN(LM_SYS_MULTICAST,
 [AC_CACHE_CHECK([for multicast support], ac_cv_sys_multicast_support,
-[AC_EGREP_CPP(yes,
+[AC_EGREP_CPP(^yes$,
 [#include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
-- 
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