Add -latomic as implicit flag to toolchain

Summary: Needed to support <atomic> includes and avoid linker errors Reviewed By: bigfootjon Differential Revision: D62590238 fbshipit-source-id: f085f6cc0b383f306a5dfdd859e4e6c393fadf08
facebook · Sep 16, 2024 · 9b88eeb · 9b88eeb
1 parent 1e2923e
commit 9b88eeb
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/shim/BUCK b/shim/BUCK
@@ -12,6 +12,12 @@ oncall("open_source")
 system_cxx_toolchain(
     name = "cxx",
     cxx_flags = ["-std=c++20"],
+    link_flags = select({
+        "DEFAULT": [],
+        "prelude//os:linux": [
+            "-latomic",
+        ],
+    }),
     visibility = ["PUBLIC"],
 )