From 220c9f6eaec7627b3cad20629898f5a905c39bb6 Mon Sep 17 00:00:00 2001
From: Thom Chiovoloni <thom@shift.click>
Date: Sat, 7 Oct 2023 13:06:51 -0700
Subject: [PATCH] Pass -Wno-unused-command-line-argument to clang in
 `is_flag_supported`

---
 src/lib.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 219d82cd7..d91545d41 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -522,6 +522,11 @@ impl Build {
         if compiler.family.verbose_stderr() {
             compiler.remove_arg("-v".into());
         }
+        if compiler.family == ToolFamily::Clang {
+            // Avoid reporting that the arg is unsupported just because the
+            // compiler complains that it wasn't used.
+            compiler.push_cc_arg("-Wno-unused-command-line-argument".into());
+        }
 
         let mut cmd = compiler.to_command();
         let is_arm = target.contains("aarch64") || target.contains("arm");