From 878faacd7b3daac437cc689b13422f6432fb5cd0 Mon Sep 17 00:00:00 2001
From: Anthony Towns <aj@erisian.com.au>
Date: Tue, 23 Aug 2016 16:55:15 +1000
Subject: Add configure check for -latomic

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index d332f4face..335609f5e5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,6 +57,9 @@ case $host in
 esac
 dnl Require C++11 compiler (no GNU extensions)
 AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
+dnl Check if -latomic is required for <std::atomic>
+CHECK_ATOMIC
+
 dnl Libtool init checks.
 LT_INIT([pic-only])
 
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