From 6834063edba1b22fa10866c205c0a5ea3bac9f48 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?=
 <jieyouxu@outlook.com>
Date: Wed, 1 May 2024 19:22:28 +0000
Subject: [PATCH] run-make-support: preserve tooks.mk behavior for
 EXTRACXXFLAGS

---
 src/tools/run-make-support/src/cc.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tools/run-make-support/src/cc.rs b/src/tools/run-make-support/src/cc.rs
index a2d51902652bc..a4b9c35bc6f67 100644
--- a/src/tools/run-make-support/src/cc.rs
+++ b/src/tools/run-make-support/src/cc.rs
@@ -162,7 +162,8 @@ pub fn extra_cxx_flags() -> Vec<&'static str> {
         if is_msvc() { vec![] } else { vec!["-lstdc++"] }
     } else {
         match uname() {
-            n if n.contains("Darwin") => vec!["-lc++"],
+            "Darwin" => vec!["-lc++"],
+            "FreeBSD" | "SunOS" | "OpenBSD" => vec![],
             _ => vec!["-lstdc++"],
         }
     }