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 #675.
rust-lang · Oct 29, 2022 · 3eeb50b · 3eeb50b
1 parent 00befe7
commit 3eeb50b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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