// A simple smoke test to check that rustc fails compilation // and outputs a helpful message when a dependency is missing // in a dependency chain. // See https://github.com/rust-lang/rust/issues/12146 use run_make_support::{rfs, rust_lib_name, rustc}; fn main() { rustc().crate_type("rlib").input("crateA.rs").run(); rustc().crate_type("rlib").input("crateB.rs").run(); rfs::remove_file(rust_lib_name("crateA")); // Ensure that crateC fails to compile, as the crateA dependency is missing. rustc() .input("crateC.rs") .run_fail() .assert_stderr_contains("can't find crate for `crateA` which `crateB` depends on"); }