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Auto merge of #126934 - onur-ozkan:broken-build-cache, r=Kobzol

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fix broken build cache caused by rustdoc builds

Currently rustdoc breaks the build cache (due to having different rustflags) when building rustdoc before building another tool (e.g., `x test miri && x test rustdoc && x test miri`).

This change fixes that by moving `on-broken-pipe` into `prepare_cargo_tool` so it is set for all tools.

cc `@RalfJung`

Fixes #123177
This commit is contained in:
bors 2024-06-26 09:42:33 +00:00
commit bae813a265
1 changed files with 9 additions and 6 deletions
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15
src/bootstrap/src/core/build_steps/tool.rs
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@ -211,6 +211,13 @@ pub fn prepare_tool_cargo(
// See https://github.com/rust-lang/rust/issues/116538
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
}
@ -575,7 +582,8 @@ impl Step for Rustdoc {
features.push("jemalloc".to_string());
}
let mut cargo = prepare_tool_cargo(
// NOTE: Never modify the rustflags here, it breaks the build cache for other tools!
let cargo = prepare_tool_cargo(
builder,
build_compiler,
Mode::ToolRustc,
@ -586,11 +594,6 @@ impl Step for Rustdoc {
features.as_slice(),
);
// If the rustdoc 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");
let _guard = builder.msg_tool(
Kind::Build,
Mode::ToolRustc,