From 160d39e41b1f174db12886045aad4f24d10d7b8c Mon Sep 17 00:00:00 2001
From: Ast-x64 <Ast-x64@protonmail.com>
Date: Tue, 26 Apr 2022 11:08:00 +0800
Subject: [PATCH] Use specified compiler in is_flag_supported

Use the compiler specified instead of the default one to test whether a
flag can be accepted.
Fixes https://github.com/alexcrichton/cc-rs/issues/675.
---
 src/lib.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 92054549..8868a7c9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -477,6 +477,9 @@ impl Build {
             .debug(false)
             .cpp(self.cpp)
             .cuda(self.cuda);
+        if let Some(ref c) = self.compiler {
+            cfg.compiler(c.clone());
+        }
         let mut compiler = cfg.try_get_compiler()?;
 
         // Clang uses stderr for verbose output, which yields a false positive