From 2d1336dcf3d620f115aec771ddfb86b199a71e21 Mon Sep 17 00:00:00 2001
From: Uli Schlachter <psychon@znc.in>
Date: Sat, 14 Feb 2015 19:45:01 +0100
Subject: [PATCH] configure: Fix C++11 test with -Werror=missing-declarations

This fixes the following error (copied from config.log):

  conftest.cpp:49:14: error: no previous declaration for 'void
  test_template_alias_sfinae::test()' [-Werror=missing-declarations]

Signed-off-by: Uli Schlachter <psychon@znc.in>
---
 m4/ax_cxx_compile_stdcxx_11.m4 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/m4/ax_cxx_compile_stdcxx_11.m4 b/m4/ax_cxx_compile_stdcxx_11.m4
index 7ad01e03..20c8b120 100644
--- a/m4/ax_cxx_compile_stdcxx_11.m4
+++ b/m4/ax_cxx_compile_stdcxx_11.m4
@@ -76,6 +76,8 @@ m4_define([_AX_CXX_COMPILE_STDCXX_11_testbody], [[
         template<typename T>
         void func(member<T>*) {}
 
+        void test();
+
         void test() {
             func<foo>(0);
         }