From 5314a4815006e3a42f3ce265d1597db700cdb784 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 26 Feb 2021 23:14:20 -0800
Subject: [PATCH] ax_cpp11.m4: Include <memory> header

This is needed for std::shared_ptr
GCC-11 throws errors if header is not included

Upstream-Status: Submitted [https://github.com/isc-projects/kea/pull/120]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 m4macros/ax_cpp11.m4 | 1 +
 1 file changed, 1 insertion(+)

--- a/m4macros/ax_cpp11.m4
+++ b/m4macros/ax_cpp11.m4
@@ -182,6 +182,7 @@ for retry in "none" "--std=c++11" "--std
 	AC_COMPILE_IFELSE(
 		[AC_LANG_PROGRAM(
 			[#include <thread>
+			 #include <memory>
 			 std::shared_ptr<std::thread> th;],
 			[th.reset(new std::thread([[]]() { return; }));
 			 th->join();])],