Update lib.rs

Co-authored-by: Mads Marquart <[email protected]>
rust-lang · Feb 28, 2025 · 9160871 · 9160871
1 parent a3fc3ae
commit 9160871
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/lib.rs b/src/lib.rs
@@ -1351,6 +1351,10 @@ impl Build {
             },
         );
 
+        // Checking for compiler flags does not require linking (and we _must_
+        // avoid making it do so, since it breaks cross-compilation when the C
+        // compiler isn't configured to be able to link).
+        // https://github.com/rust-lang/cc-rs/issues/1423
         cmd.arg("-c");
 
         if compiler.supports_path_delimiter() {