From d064abb1f68f5b432b0180dd2a0ab895ba8da433 Mon Sep 17 00:00:00 2001
From: Pieter Lexis <pieter.lexis@powerdns.com>
Date: Wed, 29 Apr 2015 11:29:55 +0200
Subject: [PATCH] C++ 2011 is no longer optional

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 21ddf1230e..5054cae57e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -50,7 +50,7 @@ AS_IF([test "x$with_luajit" = "xno"], [
   PDNS_WITH_LUA
 ])
 
-AX_CXX_COMPILE_STDCXX_11(,optional)
+AX_CXX_COMPILE_STDCXX_11()
 AM_CONDITIONAL([CXX2011],[test "$HAVE_CXX11" = "1"])
 
 AC_MSG_CHECKING([whether we will enable compiler security checks])
-- 
2.47.2