update libstdc++ compatibility error log

Signed-off-by: onur-ozkan <work@onurozkan.dev>
rust-lang · Jun 14, 2024 · e2e1afa · e2e1afa
1 parent ad787c1
commit e2e1afa
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/bootstrap/src/core/sanity.rs b/src/bootstrap/src/core/sanity.rs
@@ -128,6 +128,9 @@ pub fn check(build: &mut Build) {
                     eprintln!(
                         "Consider upgrading libstdc++ or disabling the `llvm.download-ci-llvm` option."
                     );
+                    eprintln!(
+                        "If you choose to upgrade libstdc++, run `x clean` or delete `build/host/libcxx-version` manually after the upgrade."
+                    );
                 }
             }
             tool::LibcxxVersion::Llvm(_) => {