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Drop conditionally applied cargo -Zon-broken-pipe=kill flags

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These conditionally applied flags trigger rebuilds because they can
invalidate previous cargo build cache.
This commit is contained in:
许杰友 Jieyou Xu (Joe) 2024-09-30 17:07:24 +08:00
parent e9df22f51d
commit 5a7058c5a5
2 changed files with 4 additions and 11 deletions
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4
src/bootstrap/src/core/build_steps/compile.rs
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@ -1053,10 +1053,6 @@ pub fn rustc_cargo(
cargo.rustdocflag("-Zcrate-attr=warn(rust_2018_idioms)"); cargo.rustdocflag("-Zcrate-attr=warn(rust_2018_idioms)");
// If the rustc output is piped to e.g. `head -n1` we want the process to be
// killed, rather than having an error bubble up and cause a panic.
cargo.rustflag("-Zon-broken-pipe=kill");
if builder.config.llvm_enzyme { if builder.config.llvm_enzyme {
cargo.rustflag("-l").rustflag("Enzyme-19"); cargo.rustflag("-l").rustflag("Enzyme-19");
} }

11
src/bootstrap/src/core/build_steps/tool.rs
View File

@ -200,6 +200,10 @@ pub fn prepare_tool_cargo(
cargo.arg("--features").arg(features.join(", ")); cargo.arg("--features").arg(features.join(", "));
} }
// Warning: be very careful with RUSTFLAGS or command-line options, as conditionally applied
// RUSTFLAGS or cli flags can lead to hard-to-diagnose rebuilds due to flag differences, causing
// previous tool build artifacts to get invalidated.
// Enable internal lints for clippy and rustdoc // Enable internal lints for clippy and rustdoc
// NOTE: this doesn't enable lints for any other tools unless they explicitly add `#![warn(rustc::internal)]` // NOTE: this doesn't enable lints for any other tools unless they explicitly add `#![warn(rustc::internal)]`
// See https://github.com/rust-lang/rust/pull/80573#issuecomment-754010776 // See https://github.com/rust-lang/rust/pull/80573#issuecomment-754010776
@ -209,13 +213,6 @@ pub fn prepare_tool_cargo(
// See https://github.com/rust-lang/rust/issues/116538 // See https://github.com/rust-lang/rust/issues/116538
cargo.rustflag("-Zunstable-options"); cargo.rustflag("-Zunstable-options");
// `-Zon-broken-pipe=kill` breaks cargo tests
if !path.ends_with("cargo") {
// If the output is piped to e.g. `head -n1` we want the process to be killed,
// rather than having an error bubble up and cause a panic.
cargo.rustflag("-Zon-broken-pipe=kill");
}
cargo cargo
} }