From d967b6587191cdfe04213eeaf14c9eba4c59e65d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Zasso?= <targos@protonmail.com>
Date: Thu, 19 Sep 2024 20:07:03 +0200
Subject: [PATCH] build: link V8 with atomic library

Closes: https://github.com/nodejs/node-v8/issues/290
---
 tools/v8_gypfiles/v8.gyp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/v8_gypfiles/v8.gyp b/tools/v8_gypfiles/v8.gyp
index 75cc19d7f0b..3a9f2a8c2da 100644
--- a/tools/v8_gypfiles/v8.gyp
+++ b/tools/v8_gypfiles/v8.gyp
@@ -1222,8 +1222,9 @@
           'dependencies': ['postmortem-metadata#target'],
         }],
         # Platforms that don't have Compare-And-Swap (CAS) support need to link atomic library
-        # to implement atomic memory access
-        ['v8_current_cpu in ["mips64", "mips64el", "arm", "riscv64", "loong64"]', {
+        # to implement atomic memory access.
+        # Clang needs it for some atomic operations (https://clang.llvm.org/docs/Toolchain.html#atomics-library).
+        ['(OS=="linux" and clang==1) or (v8_current_cpu in ["mips64", "mips64el", "arm", "riscv64", "loong64"])', {
           'link_settings': {
             'libraries': ['-latomic', ],
           },