From a30490390fd4f748eef0baea9307c31180bea144 Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Fri, 23 Sep 2022 13:58:59 +0900
Subject: [PATCH] Adjust exclude in build.sh

---
 tools/build.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/build.sh b/tools/build.sh
index 7cf5405f..c02239fd 100755
--- a/tools/build.sh
+++ b/tools/build.sh
@@ -222,6 +222,9 @@ build() {
                     *)
                         RUSTFLAGS="${target_rustflags} --cfg portable_atomic_unsafe_assume_single_core" \
                             x cargo "${args[@]}" --target-dir target/assume-single-core "$@"
+                        # portable-atomic-util uses atomic CAS, so doesn't work on
+                        # this target without portable_atomic_unsafe_assume_single_core cfg.
+                        args+=(--exclude portable-atomic-util)
                         ;;
                 esac
             fi