From d93e6ec4cc44b48bc5370c724d3661b52ba9976c Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Sun, 15 Mar 2020 10:30:51 +0000
Subject: [PATCH] BUILD: on ARM, must be linked to libatomic.

For load/store operations, needs to be linked to.
tested on raspberry.
---
 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index c04e699d73..469001af3d 100644
--- a/Makefile
+++ b/Makefile
@@ -328,6 +328,9 @@ ifeq ($(TARGET),linux-glibc)
     USE_CPU_AFFINITY USE_THREAD USE_EPOLL USE_FUTEX USE_LINUX_TPROXY          \
     USE_ACCEPT4 USE_LINUX_SPLICE USE_PRCTL USE_THREAD_DUMP USE_NS USE_TFO     \
     USE_GETADDRINFO USE_BACKTRACE)
+ifneq ($(shell echo __arm__/__aarch64__ | $(CC) -E -xc - | grep -v '^#'),__arm__/__aarch64__)
+  TARGET_LDFLAGS=-latomic
+endif
 endif
 
 # For linux >= 2.6.28, glibc without new features
-- 
2.39.5