From c9b3a00a63fafa546bf402e32fd21ebe7f274b43 Mon Sep 17 00:00:00 2001
From: Hein-Pieter van Braam-Stewart <hp@tmm.cx>
Date: Sat, 20 Feb 2021 16:40:55 +0100
Subject: Use -latomic when linking whe using clang on Linux

According to the LLVM documentation when using GNU's libstdc++ clang
will not automatically link with -latomic. This is necessary since we
merged c++11 atomics support.

This fixes linking using Clang on Linux
---
 platform/linuxbsd/detect.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/linuxbsd/detect.py b/platform/linuxbsd/detect.py
index f87e9cf886..ff521e4e7f 100644
--- a/platform/linuxbsd/detect.py
+++ b/platform/linuxbsd/detect.py
@@ -127,6 +127,7 @@ def configure(env):
             env["CC"] = "clang"
             env["CXX"] = "clang++"
         env.extra_suffix = ".llvm" + env.extra_suffix
+        env.Append(LIBS=["atomic"])
 
     if env["use_lld"]:
         if env["use_llvm"]:
-- 
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