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Add a run-make test that LLD is not being used by default on the x64 …
…stable channel
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tests/run-make/rust-lld-by-default/rmake.rs → ...make/rust-lld-by-default-nightly/rmake.rs
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fn main() {} |
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// Ensure that rust-lld is *not* used as the default linker on `x86_64-unknown-linux-gnu` on stable. | ||
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//@ ignore-nightly | ||
//@ only-x86_64-unknown-linux-gnu | ||
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use run_make_support::regex::Regex; | ||
use run_make_support::rustc; | ||
use std::process::Output; | ||
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fn main() { | ||
// A regular compilation should not use rust-lld by default. We'll check that by asking the | ||
// linker to display its version number with a link-arg. | ||
let output = rustc() | ||
.env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") | ||
.link_arg("-Wl,-v") | ||
.input("main.rs") | ||
.run(); | ||
assert!( | ||
!find_lld_version_in_logs(output.stderr_utf8()), | ||
"the LLD version string should not be present in the output logs:\n{}", | ||
output.stderr_utf8() | ||
); | ||
} | ||
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fn find_lld_version_in_logs(stderr: String) -> bool { | ||
let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); | ||
stderr.lines().any(|line| lld_version_re.is_match(line.trim())) | ||
} |