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Rollup merge of #101873 - WaffleLapkin:x-build-proc-macro-srv, r=jyn514

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Allow building `rust-analyzer-proc-macro-srv` as a standalone tool

This PR allows building `rust-analyzer-proc-macro-srv` as a standalone tool via `x b proc-macro-srv-cli` (I thought that `x b rust-analyzer-proc-macro-srv` should work, but it doesn't for some reason...). Also this PR adds a copy of `rust-analyzer-proc-macro-srv` binary to `build/{triple}/{stage}/libexec/` when building `rust-analyzer-proc-macro-srv`, so that r-a can pick it up.

This is useful to make r-a (and I assume Intellij IDEA) to expand macros when using a custom, build from source toolchain.

r? ``@jyn514``
[_zulip thread_](https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Frust-analyzer/topic/How.20to.20fix.20.60UnsupportedABI.60.20for.20custom.20toolchains.3F/near/299040175)
This commit is contained in:
Matthias Krüger 2022-09-17 19:27:08 +02:00 • committed by GitHub
commit 179fd13e80
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1 changed files with 22 additions and 10 deletions
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32
src/bootstrap/tool.rs
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@ -746,14 +746,18 @@ impl Step for RustAnalyzerProcMacroSrv {
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
let builder = run.builder;
run.path("src/tools/rust-analyzer").default_condition(
builder.config.extended
&& builder
.config
.tools
.as_ref()
.map_or(true, |tools| tools.iter().any(|tool| tool == "rust-analyzer")),
)
// Allow building `rust-analyzer-proc-macro-srv` both as part of the `rust-analyzer` and as a stand-alone tool.
run.path("src/tools/rust-analyzer")
.path("src/tools/rust-analyzer/crates/proc-macro-srv-cli")
.default_condition(
builder.config.extended
&& builder.config.tools.as_ref().map_or(true, |tools| {
tools.iter().any(|tool| {
tool == "rust-analyzer" || tool == "rust-analyzer-proc-macro-srv"
})
}),
)
}
fn make_run(run: RunConfig<'_>) {
@ -764,7 +768,7 @@ impl Step for RustAnalyzerProcMacroSrv {
}
fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
builder.ensure(ToolBuild {
let path = builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.target,
tool: "rust-analyzer-proc-macro-srv",
@ -773,7 +777,15 @@ impl Step for RustAnalyzerProcMacroSrv {
extra_features: vec!["proc-macro-srv/sysroot-abi".to_owned()],
is_optional_tool: false,
source_type: SourceType::InTree,
})
})?;
// Copy `rust-analyzer-proc-macro-srv` to `<sysroot>/libexec/`
// so that r-a can use it.
let libexec_path = builder.sysroot(self.compiler).join("libexec");
t!(fs::create_dir_all(&libexec_path));
builder.copy(&path, &libexec_path.join("rust-analyzer-proc-macro-srv"));
Some(path)
}
}