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97311a8969
This needs more time to bake before we turn it on. Turning it on early risks people silencing the warning indefinitely, before we have the chance to make it less noisy.
28 lines
945 B
Rust
28 lines
945 B
Rust
// Ensure that rust-lld is *not* used as the default linker on `x86_64-unknown-linux-gnu` on stable
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// or beta.
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//@ ignore-nightly
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//@ only-x86_64-unknown-linux-gnu
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use std::process::Output;
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use run_make_support::regex::Regex;
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use run_make_support::rustc;
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fn main() {
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// A regular compilation should not use rust-lld by default. We'll check that by asking the
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// linker to display its version number with a link-arg.
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let output = rustc().arg("-Wlinker-messages").link_arg("-Wl,-v").input("main.rs").run();
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assert!(
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!find_lld_version_in_logs(output.stderr_utf8()),
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"the LLD version string should not be present in the output logs:\n{}",
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output.stderr_utf8()
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);
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}
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fn find_lld_version_in_logs(stderr: String) -> bool {
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let lld_version_re =
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Regex::new(r"^warning: linker stdout: LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap();
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stderr.lines().any(|line| lld_version_re.is_match(line.trim()))
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}
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