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diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs
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+//! Implementation of the test-related targets of the build system.
+//!
+//! This file implements the various regression test suites that we execute on
+//! our CI.
+
+use std::env;
+use std::ffi::OsString;
+use std::fmt;
+use std::fs;
+use std::iter;
+use std::path::{Path, PathBuf};
+use std::process::{Command, Stdio};
+
+use crate::builder::{Builder, Compiler, Kind, RunConfig, ShouldRun, Step};
+use crate::cache::Interned;
+use crate::compile;
+use crate::config::TargetSelection;
+use crate::dist;
+use crate::flags::Subcommand;
+use crate::native;
+use crate::tool::{self, SourceType, Tool};
+use crate::toolstate::ToolState;
+use crate::util::{self, add_link_lib_path, dylib_path, dylib_path_var, output, t};
+use crate::{envify, CLang, DocTests, GitRepo, Mode};
+
+const ADB_TEST_DIR: &str = "/data/tmp/work";
+
+/// The two modes of the test runner; tests or benchmarks.
+#[derive(Debug, PartialEq, Eq, Hash, Copy, Clone, PartialOrd, Ord)]
+pub enum TestKind {
+ /// Run `cargo test`.
+ Test,
+ /// Run `cargo bench`.
+ Bench,
+}
+
+impl From<Kind> for TestKind {
+ fn from(kind: Kind) -> Self {
+ match kind {
+ Kind::Test => TestKind::Test,
+ Kind::Bench => TestKind::Bench,
+ _ => panic!("unexpected kind in crate: {:?}", kind),
+ }
+ }
+}
+
+impl TestKind {
+ // Return the cargo subcommand for this test kind
+ fn subcommand(self) -> &'static str {
+ match self {
+ TestKind::Test => "test",
+ TestKind::Bench => "bench",
+ }
+ }
+}
+
+impl fmt::Display for TestKind {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ f.write_str(match *self {
+ TestKind::Test => "Testing",
+ TestKind::Bench => "Benchmarking",
+ })
+ }
+}
+
+fn try_run(builder: &Builder<'_>, cmd: &mut Command) -> bool {
+ if !builder.fail_fast {
+ if !builder.try_run(cmd) {
+ let mut failures = builder.delayed_failures.borrow_mut();
+ failures.push(format!("{:?}", cmd));
+ return false;
+ }
+ } else {
+ builder.run(cmd);
+ }
+ true
+}
+
+fn try_run_quiet(builder: &Builder<'_>, cmd: &mut Command) -> bool {
+ if !builder.fail_fast {
+ if !builder.try_run_quiet(cmd) {
+ let mut failures = builder.delayed_failures.borrow_mut();
+ failures.push(format!("{:?}", cmd));
+ return false;
+ }
+ } else {
+ builder.run_quiet(cmd);
+ }
+ true
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Linkcheck {
+ host: TargetSelection,
+}
+
+impl Step for Linkcheck {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+ const DEFAULT: bool = true;
+
+ /// Runs the `linkchecker` tool as compiled in `stage` by the `host` compiler.
+ ///
+ /// This tool in `src/tools` will verify the validity of all our links in the
+ /// documentation to ensure we don't have a bunch of dead ones.
+ fn run(self, builder: &Builder<'_>) {
+ let host = self.host;
+ let hosts = &builder.hosts;
+ let targets = &builder.targets;
+
+ // if we have different hosts and targets, some things may be built for
+ // the host (e.g. rustc) and others for the target (e.g. std). The
+ // documentation built for each will contain broken links to
+ // docs built for the other platform (e.g. rustc linking to cargo)
+ if (hosts != targets) && !hosts.is_empty() && !targets.is_empty() {
+ panic!(
+ "Linkcheck currently does not support builds with different hosts and targets.
+You can skip linkcheck with --exclude src/tools/linkchecker"
+ );
+ }
+
+ builder.info(&format!("Linkcheck ({})", host));
+
+ // Test the linkchecker itself.
+ let bootstrap_host = builder.config.build;
+ let compiler = builder.compiler(0, bootstrap_host);
+ let cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolBootstrap,
+ bootstrap_host,
+ "test",
+ "src/tools/linkchecker",
+ SourceType::InTree,
+ &[],
+ );
+ try_run(builder, &mut cargo.into());
+
+ // Build all the default documentation.
+ builder.default_doc(&[]);
+
+ // Run the linkchecker.
+ let _time = util::timeit(&builder);
+ try_run(
+ builder,
+ builder.tool_cmd(Tool::Linkchecker).arg(builder.out.join(host.triple).join("doc")),
+ );
+ }
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ let builder = run.builder;
+ let run = run.path("src/tools/linkchecker");
+ run.default_condition(builder.config.docs)
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Linkcheck { host: run.target });
+ }
+}
+
+fn check_if_tidy_is_installed() -> bool {
+ Command::new("tidy")
+ .arg("--version")
+ .stdout(Stdio::null())
+ .status()
+ .map_or(false, |status| status.success())
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct HtmlCheck {
+ target: TargetSelection,
+}
+
+impl Step for HtmlCheck {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ let run = run.path("src/tools/html-checker");
+ run.lazy_default_condition(Box::new(check_if_tidy_is_installed))
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(HtmlCheck { target: run.target });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ if !check_if_tidy_is_installed() {
+ eprintln!("not running HTML-check tool because `tidy` is missing");
+ eprintln!(
+ "Note that `tidy` is not the in-tree `src/tools/tidy` but needs to be installed"
+ );
+ panic!("Cannot run html-check tests");
+ }
+ // Ensure that a few different kinds of documentation are available.
+ builder.default_doc(&[]);
+ builder.ensure(crate::doc::Rustc { target: self.target, stage: builder.top_stage });
+
+ try_run(builder, builder.tool_cmd(Tool::HtmlChecker).arg(builder.doc_out(self.target)));
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Cargotest {
+ stage: u32,
+ host: TargetSelection,
+}
+
+impl Step for Cargotest {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/cargotest")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Cargotest { stage: run.builder.top_stage, host: run.target });
+ }
+
+ /// Runs the `cargotest` tool as compiled in `stage` by the `host` compiler.
+ ///
+ /// This tool in `src/tools` will check out a few Rust projects and run `cargo
+ /// test` to ensure that we don't regress the test suites there.
+ fn run(self, builder: &Builder<'_>) {
+ let compiler = builder.compiler(self.stage, self.host);
+ builder.ensure(compile::Rustc::new(compiler, compiler.host));
+ let cargo = builder.ensure(tool::Cargo { compiler, target: compiler.host });
+
+ // Note that this is a short, cryptic, and not scoped directory name. This
+ // is currently to minimize the length of path on Windows where we otherwise
+ // quickly run into path name limit constraints.
+ let out_dir = builder.out.join("ct");
+ t!(fs::create_dir_all(&out_dir));
+
+ let _time = util::timeit(&builder);
+ let mut cmd = builder.tool_cmd(Tool::CargoTest);
+ try_run(
+ builder,
+ cmd.arg(&cargo)
+ .arg(&out_dir)
+ .args(builder.config.cmd.test_args())
+ .env("RUSTC", builder.rustc(compiler))
+ .env("RUSTDOC", builder.rustdoc(compiler)),
+ );
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Cargo {
+ stage: u32,
+ host: TargetSelection,
+}
+
+impl Step for Cargo {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/cargo")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Cargo { stage: run.builder.top_stage, host: run.target });
+ }
+
+ /// Runs `cargo test` for `cargo` packaged with Rust.
+ fn run(self, builder: &Builder<'_>) {
+ let compiler = builder.compiler(self.stage, self.host);
+
+ builder.ensure(tool::Cargo { compiler, target: self.host });
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ self.host,
+ "test",
+ "src/tools/cargo",
+ SourceType::Submodule,
+ &[],
+ );
+
+ if !builder.fail_fast {
+ cargo.arg("--no-fail-fast");
+ }
+ cargo.arg("--").args(builder.config.cmd.test_args());
+
+ // Don't run cross-compile tests, we may not have cross-compiled libstd libs
+ // available.
+ cargo.env("CFG_DISABLE_CROSS_TESTS", "1");
+ // Forcibly disable tests using nightly features since any changes to
+ // those features won't be able to land.
+ cargo.env("CARGO_TEST_DISABLE_NIGHTLY", "1");
+
+ cargo.env("PATH", &path_for_cargo(builder, compiler));
+
+ try_run(builder, &mut cargo.into());
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Rls {
+ stage: u32,
+ host: TargetSelection,
+}
+
+impl Step for Rls {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/rls")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Rls { stage: run.builder.top_stage, host: run.target });
+ }
+
+ /// Runs `cargo test` for the rls.
+ fn run(self, builder: &Builder<'_>) {
+ let stage = self.stage;
+ let host = self.host;
+ let compiler = builder.compiler(stage, host);
+
+ let build_result =
+ builder.ensure(tool::Rls { compiler, target: self.host, extra_features: Vec::new() });
+ if build_result.is_none() {
+ eprintln!("failed to test rls: could not build");
+ return;
+ }
+
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ host,
+ "test",
+ "src/tools/rls",
+ SourceType::Submodule,
+ &[],
+ );
+
+ cargo.add_rustc_lib_path(builder, compiler);
+ cargo.arg("--").args(builder.config.cmd.test_args());
+
+ if try_run(builder, &mut cargo.into()) {
+ builder.save_toolstate("rls", ToolState::TestPass);
+ }
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct RustAnalyzer {
+ stage: u32,
+ host: TargetSelection,
+}
+
+impl Step for RustAnalyzer {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+ const DEFAULT: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/rust-analyzer")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Self { stage: run.builder.top_stage, host: run.target });
+ }
+
+ /// Runs `cargo test` for rust-analyzer
+ fn run(self, builder: &Builder<'_>) {
+ let stage = self.stage;
+ let host = self.host;
+ let compiler = builder.compiler(stage, host);
+
+ builder.ensure(tool::RustAnalyzer { compiler, target: self.host }).expect("in-tree tool");
+
+ let workspace_path = "src/tools/rust-analyzer";
+ // until the whole RA test suite runs on `i686`, we only run
+ // `proc-macro-srv` tests
+ let crate_path = "src/tools/rust-analyzer/crates/proc-macro-srv";
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolStd,
+ host,
+ "test",
+ crate_path,
+ SourceType::InTree,
+ &["sysroot-abi".to_owned()],
+ );
+
+ let dir = builder.src.join(workspace_path);
+ // needed by rust-analyzer to find its own text fixtures, cf.
+ // https://github.com/rust-analyzer/expect-test/issues/33
+ cargo.env("CARGO_WORKSPACE_DIR", &dir);
+
+ // RA's test suite tries to write to the source directory, that can't
+ // work in Rust CI
+ cargo.env("SKIP_SLOW_TESTS", "1");
+
+ cargo.add_rustc_lib_path(builder, compiler);
+ cargo.arg("--").args(builder.config.cmd.test_args());
+
+ builder.run(&mut cargo.into());
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Rustfmt {
+ stage: u32,
+ host: TargetSelection,
+}
+
+impl Step for Rustfmt {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/rustfmt")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Rustfmt { stage: run.builder.top_stage, host: run.target });
+ }
+
+ /// Runs `cargo test` for rustfmt.
+ fn run(self, builder: &Builder<'_>) {
+ let stage = self.stage;
+ let host = self.host;
+ let compiler = builder.compiler(stage, host);
+
+ builder
+ .ensure(tool::Rustfmt { compiler, target: self.host, extra_features: Vec::new() })
+ .expect("in-tree tool");
+
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ host,
+ "test",
+ "src/tools/rustfmt",
+ SourceType::InTree,
+ &[],
+ );
+
+ let dir = testdir(builder, compiler.host);
+ t!(fs::create_dir_all(&dir));
+ cargo.env("RUSTFMT_TEST_DIR", dir);
+
+ cargo.add_rustc_lib_path(builder, compiler);
+
+ builder.run(&mut cargo.into());
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct RustDemangler {
+ stage: u32,
+ host: TargetSelection,
+}
+
+impl Step for RustDemangler {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/rust-demangler")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(RustDemangler { stage: run.builder.top_stage, host: run.target });
+ }
+
+ /// Runs `cargo test` for rust-demangler.
+ fn run(self, builder: &Builder<'_>) {
+ let stage = self.stage;
+ let host = self.host;
+ let compiler = builder.compiler(stage, host);
+
+ let rust_demangler = builder
+ .ensure(tool::RustDemangler { compiler, target: self.host, extra_features: Vec::new() })
+ .expect("in-tree tool");
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ host,
+ "test",
+ "src/tools/rust-demangler",
+ SourceType::InTree,
+ &[],
+ );
+
+ let dir = testdir(builder, compiler.host);
+ t!(fs::create_dir_all(&dir));
+
+ cargo.env("RUST_DEMANGLER_DRIVER_PATH", rust_demangler);
+
+ cargo.arg("--").args(builder.config.cmd.test_args());
+
+ cargo.add_rustc_lib_path(builder, compiler);
+
+ builder.run(&mut cargo.into());
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Miri {
+ stage: u32,
+ host: TargetSelection,
+}
+
+impl Step for Miri {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/miri")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Miri { stage: run.builder.top_stage, host: run.target });
+ }
+
+ /// Runs `cargo test` for miri.
+ fn run(self, builder: &Builder<'_>) {
+ let stage = self.stage;
+ let host = self.host;
+ let compiler = builder.compiler(stage, host);
+ // We need the stdlib for the *next* stage, as it was built with this compiler that also built Miri.
+ // Except if we are at stage 2, the bootstrap loop is complete and we can stick with our current stage.
+ let compiler_std = builder.compiler(if stage < 2 { stage + 1 } else { stage }, host);
+
+ let miri =
+ builder.ensure(tool::Miri { compiler, target: self.host, extra_features: Vec::new() });
+ let cargo_miri = builder.ensure(tool::CargoMiri {
+ compiler,
+ target: self.host,
+ extra_features: Vec::new(),
+ });
+ // The stdlib we need might be at a different stage. And just asking for the
+ // sysroot does not seem to populate it, so we do that first.
+ builder.ensure(compile::Std::new(compiler_std, host));
+ let sysroot = builder.sysroot(compiler_std);
+ if let (Some(miri), Some(_cargo_miri)) = (miri, cargo_miri) {
+ let mut cargo =
+ builder.cargo(compiler, Mode::ToolRustc, SourceType::Submodule, host, "install");
+ cargo.arg("xargo");
+ // Configure `cargo install` path. cargo adds a `bin/`.
+ cargo.env("CARGO_INSTALL_ROOT", &builder.out);
+
+ let mut cargo = Command::from(cargo);
+ if !try_run(builder, &mut cargo) {
+ return;
+ }
+
+ // # Run `cargo miri setup`.
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ host,
+ "run",
+ "src/tools/miri/cargo-miri",
+ SourceType::Submodule,
+ &[],
+ );
+ cargo.add_rustc_lib_path(builder, compiler);
+ cargo.arg("--").arg("miri").arg("setup");
+
+ // Tell `cargo miri setup` where to find the sources.
+ cargo.env("XARGO_RUST_SRC", builder.src.join("library"));
+ // Tell it where to find Miri.
+ cargo.env("MIRI", &miri);
+ // Debug things.
+ cargo.env("RUST_BACKTRACE", "1");
+ // Let cargo-miri know where xargo ended up.
+ cargo.env("XARGO_CHECK", builder.out.join("bin").join("xargo-check"));
+
+ let mut cargo = Command::from(cargo);
+ if !try_run(builder, &mut cargo) {
+ return;
+ }
+
+ // # Determine where Miri put its sysroot.
+ // To this end, we run `cargo miri setup --print-sysroot` and capture the output.
+ // (We do this separately from the above so that when the setup actually
+ // happens we get some output.)
+ // We re-use the `cargo` from above.
+ cargo.arg("--print-sysroot");
+
+ // FIXME: Is there a way in which we can re-use the usual `run` helpers?
+ let miri_sysroot = if builder.config.dry_run {
+ String::new()
+ } else {
+ builder.verbose(&format!("running: {:?}", cargo));
+ let out = cargo
+ .output()
+ .expect("We already ran `cargo miri setup` before and that worked");
+ assert!(out.status.success(), "`cargo miri setup` returned with non-0 exit code");
+ // Output is "<sysroot>\n".
+ let stdout = String::from_utf8(out.stdout)
+ .expect("`cargo miri setup` stdout is not valid UTF-8");
+ let sysroot = stdout.trim_end();
+ builder.verbose(&format!("`cargo miri setup --print-sysroot` said: {:?}", sysroot));
+ sysroot.to_owned()
+ };
+
+ // # Run `cargo test`.
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ host,
+ "test",
+ "src/tools/miri",
+ SourceType::Submodule,
+ &[],
+ );
+ cargo.add_rustc_lib_path(builder, compiler);
+
+ // miri tests need to know about the stage sysroot
+ cargo.env("MIRI_SYSROOT", miri_sysroot);
+ cargo.env("MIRI_HOST_SYSROOT", sysroot);
+ cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
+ cargo.env("MIRI", miri);
+
+ cargo.arg("--").args(builder.config.cmd.test_args());
+
+ let mut cargo = Command::from(cargo);
+ if !try_run(builder, &mut cargo) {
+ return;
+ }
+
+ // # Done!
+ builder.save_toolstate("miri", ToolState::TestPass);
+ } else {
+ eprintln!("failed to test miri: could not build");
+ }
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct CompiletestTest {
+ host: TargetSelection,
+}
+
+impl Step for CompiletestTest {
+ type Output = ();
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/compiletest")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(CompiletestTest { host: run.target });
+ }
+
+ /// Runs `cargo test` for compiletest.
+ fn run(self, builder: &Builder<'_>) {
+ let host = self.host;
+ let compiler = builder.compiler(0, host);
+
+ // We need `ToolStd` for the locally-built sysroot because
+ // compiletest uses unstable features of the `test` crate.
+ builder.ensure(compile::Std::new(compiler, host));
+ let cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolStd,
+ host,
+ "test",
+ "src/tools/compiletest",
+ SourceType::InTree,
+ &[],
+ );
+
+ try_run(builder, &mut cargo.into());
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Clippy {
+ stage: u32,
+ host: TargetSelection,
+}
+
+impl Step for Clippy {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+ const DEFAULT: bool = false;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/clippy")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Clippy { stage: run.builder.top_stage, host: run.target });
+ }
+
+ /// Runs `cargo test` for clippy.
+ fn run(self, builder: &Builder<'_>) {
+ let stage = self.stage;
+ let host = self.host;
+ let compiler = builder.compiler(stage, host);
+
+ builder
+ .ensure(tool::Clippy { compiler, target: self.host, extra_features: Vec::new() })
+ .expect("in-tree tool");
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ host,
+ "test",
+ "src/tools/clippy",
+ SourceType::InTree,
+ &[],
+ );
+
+ cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
+ cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
+ let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir());
+ cargo.env("HOST_LIBS", host_libs);
+
+ cargo.arg("--").args(builder.config.cmd.test_args());
+
+ cargo.add_rustc_lib_path(builder, compiler);
+
+ if builder.try_run(&mut cargo.into()) {
+ // The tests succeeded; nothing to do.
+ return;
+ }
+
+ if !builder.config.cmd.bless() {
+ crate::detail_exit(1);
+ }
+
+ let mut cargo = builder.cargo(compiler, Mode::ToolRustc, SourceType::InTree, host, "run");
+ cargo.arg("-p").arg("clippy_dev");
+ // clippy_dev gets confused if it can't find `clippy/Cargo.toml`
+ cargo.current_dir(&builder.src.join("src").join("tools").join("clippy"));
+ if builder.config.rust_optimize {
+ cargo.env("PROFILE", "release");
+ } else {
+ cargo.env("PROFILE", "debug");
+ }
+ cargo.arg("--");
+ cargo.arg("bless");
+ builder.run(&mut cargo.into());
+ }
+}
+
+fn path_for_cargo(builder: &Builder<'_>, compiler: Compiler) -> OsString {
+ // Configure PATH to find the right rustc. NB. we have to use PATH
+ // and not RUSTC because the Cargo test suite has tests that will
+ // fail if rustc is not spelled `rustc`.
+ let path = builder.sysroot(compiler).join("bin");
+ let old_path = env::var_os("PATH").unwrap_or_default();
+ env::join_paths(iter::once(path).chain(env::split_paths(&old_path))).expect("")
+}
+
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+pub struct RustdocTheme {
+ pub compiler: Compiler,
+}
+
+impl Step for RustdocTheme {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/rustdoc-themes")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let compiler = run.builder.compiler(run.builder.top_stage, run.target);
+
+ run.builder.ensure(RustdocTheme { compiler });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ let rustdoc = builder.bootstrap_out.join("rustdoc");
+ let mut cmd = builder.tool_cmd(Tool::RustdocTheme);
+ cmd.arg(rustdoc.to_str().unwrap())
+ .arg(builder.src.join("src/librustdoc/html/static/css/themes").to_str().unwrap())
+ .env("RUSTC_STAGE", self.compiler.stage.to_string())
+ .env("RUSTC_SYSROOT", builder.sysroot(self.compiler))
+ .env("RUSTDOC_LIBDIR", builder.sysroot_libdir(self.compiler, self.compiler.host))
+ .env("CFG_RELEASE_CHANNEL", &builder.config.channel)
+ .env("RUSTDOC_REAL", builder.rustdoc(self.compiler))
+ .env("RUSTC_BOOTSTRAP", "1");
+ if let Some(linker) = builder.linker(self.compiler.host) {
+ cmd.env("RUSTDOC_LINKER", linker);
+ }
+ if builder.is_fuse_ld_lld(self.compiler.host) {
+ cmd.env("RUSTDOC_FUSE_LD_LLD", "1");
+ }
+ try_run(builder, &mut cmd);
+ }
+}
+
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+pub struct RustdocJSStd {
+ pub target: TargetSelection,
+}
+
+impl Step for RustdocJSStd {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.suite_path("src/test/rustdoc-js-std")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(RustdocJSStd { target: run.target });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ if let Some(ref nodejs) = builder.config.nodejs {
+ let mut command = Command::new(nodejs);
+ command
+ .arg(builder.src.join("src/tools/rustdoc-js/tester.js"))
+ .arg("--crate-name")
+ .arg("std")
+ .arg("--resource-suffix")
+ .arg(&builder.version)
+ .arg("--doc-folder")
+ .arg(builder.doc_out(self.target))
+ .arg("--test-folder")
+ .arg(builder.src.join("src/test/rustdoc-js-std"));
+ for path in &builder.paths {
+ if let Some(p) =
+ util::is_valid_test_suite_arg(path, "src/test/rustdoc-js-std", builder)
+ {
+ if !p.ends_with(".js") {
+ eprintln!("A non-js file was given: `{}`", path.display());
+ panic!("Cannot run rustdoc-js-std tests");
+ }
+ command.arg("--test-file").arg(path);
+ }
+ }
+ builder.ensure(crate::doc::Std { target: self.target, stage: builder.top_stage });
+ builder.run(&mut command);
+ } else {
+ builder.info("No nodejs found, skipping \"src/test/rustdoc-js-std\" tests");
+ }
+ }
+}
+
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+pub struct RustdocJSNotStd {
+ pub target: TargetSelection,
+ pub compiler: Compiler,
+}
+
+impl Step for RustdocJSNotStd {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.suite_path("src/test/rustdoc-js")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
+ run.builder.ensure(RustdocJSNotStd { target: run.target, compiler });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ if builder.config.nodejs.is_some() {
+ builder.ensure(Compiletest {
+ compiler: self.compiler,
+ target: self.target,
+ mode: "js-doc-test",
+ suite: "rustdoc-js",
+ path: "src/test/rustdoc-js",
+ compare_mode: None,
+ });
+ } else {
+ builder.info("No nodejs found, skipping \"src/test/rustdoc-js\" tests");
+ }
+ }
+}
+
+fn get_browser_ui_test_version_inner(npm: &Path, global: bool) -> Option<String> {
+ let mut command = Command::new(&npm);
+ command.arg("list").arg("--parseable").arg("--long").arg("--depth=0");
+ if global {
+ command.arg("--global");
+ }
+ let lines = command
+ .output()
+ .map(|output| String::from_utf8_lossy(&output.stdout).into_owned())
+ .unwrap_or(String::new());
+ lines.lines().find_map(|l| l.split(":browser-ui-test@").skip(1).next()).map(|v| v.to_owned())
+}
+
+fn get_browser_ui_test_version(npm: &Path) -> Option<String> {
+ get_browser_ui_test_version_inner(npm, false)
+ .or_else(|| get_browser_ui_test_version_inner(npm, true))
+}
+
+fn compare_browser_ui_test_version(installed_version: &str, src: &Path) {
+ match fs::read_to_string(
+ src.join("src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version"),
+ ) {
+ Ok(v) => {
+ if v.trim() != installed_version {
+ eprintln!(
+ "⚠️ Installed version of browser-ui-test (`{}`) is different than the \
+ one used in the CI (`{}`)",
+ installed_version, v
+ );
+ }
+ }
+ Err(e) => eprintln!("Couldn't find the CI browser-ui-test version: {:?}", e),
+ }
+}
+
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
+pub struct RustdocGUI {
+ pub target: TargetSelection,
+ pub compiler: Compiler,
+}
+
+impl Step for RustdocGUI {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ let builder = run.builder;
+ let run = run.suite_path("src/test/rustdoc-gui");
+ run.lazy_default_condition(Box::new(move || {
+ builder.config.nodejs.is_some()
+ && builder
+ .config
+ .npm
+ .as_ref()
+ .map(|p| get_browser_ui_test_version(p).is_some())
+ .unwrap_or(false)
+ }))
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
+ run.builder.ensure(RustdocGUI { target: run.target, compiler });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ let nodejs = builder.config.nodejs.as_ref().expect("nodejs isn't available");
+ let npm = builder.config.npm.as_ref().expect("npm isn't available");
+
+ builder.ensure(compile::Std::new(self.compiler, self.target));
+
+ // The goal here is to check if the necessary packages are installed, and if not, we
+ // panic.
+ match get_browser_ui_test_version(&npm) {
+ Some(version) => {
+ // We also check the version currently used in CI and emit a warning if it's not the
+ // same one.
+ compare_browser_ui_test_version(&version, &builder.build.src);
+ }
+ None => {
+ eprintln!(
+ "error: rustdoc-gui test suite cannot be run because npm `browser-ui-test` \
+ dependency is missing",
+ );
+ eprintln!(
+ "If you want to install the `{0}` dependency, run `npm install {0}`",
+ "browser-ui-test",
+ );
+ panic!("Cannot run rustdoc-gui tests");
+ }
+ }
+
+ let out_dir = builder.test_out(self.target).join("rustdoc-gui");
+
+ // We remove existing folder to be sure there won't be artifacts remaining.
+ builder.clear_if_dirty(&out_dir, &builder.rustdoc(self.compiler));
+
+ let src_path = builder.build.src.join("src/test/rustdoc-gui/src");
+ // We generate docs for the libraries present in the rustdoc-gui's src folder.
+ for entry in src_path.read_dir().expect("read_dir call failed") {
+ if let Ok(entry) = entry {
+ let path = entry.path();
+
+ if !path.is_dir() {
+ continue;
+ }
+
+ let mut cargo = Command::new(&builder.initial_cargo);
+ cargo
+ .arg("doc")
+ .arg("--target-dir")
+ .arg(&out_dir)
+ .env("RUSTC_BOOTSTRAP", "1")
+ .env("RUSTDOC", builder.rustdoc(self.compiler))
+ .env("RUSTC", builder.rustc(self.compiler))
+ .current_dir(path);
+ // FIXME: implement a `// compile-flags` command or similar
+ // instead of hard-coding this test
+ if entry.file_name() == "link_to_definition" {
+ cargo.env("RUSTDOCFLAGS", "-Zunstable-options --generate-link-to-definition");
+ }
+ builder.run(&mut cargo);
+ }
+ }
+
+ // We now run GUI tests.
+ let mut command = Command::new(&nodejs);
+ command
+ .arg(builder.build.src.join("src/tools/rustdoc-gui/tester.js"))
+ .arg("--jobs")
+ .arg(&builder.jobs().to_string())
+ .arg("--doc-folder")
+ .arg(out_dir.join("doc"))
+ .arg("--tests-folder")
+ .arg(builder.build.src.join("src/test/rustdoc-gui"));
+ for path in &builder.paths {
+ if let Some(p) = util::is_valid_test_suite_arg(path, "src/test/rustdoc-gui", builder) {
+ if !p.ends_with(".goml") {
+ eprintln!("A non-goml file was given: `{}`", path.display());
+ panic!("Cannot run rustdoc-gui tests");
+ }
+ if let Some(name) = path.file_name().and_then(|f| f.to_str()) {
+ command.arg("--file").arg(name);
+ }
+ }
+ }
+ for test_arg in builder.config.cmd.test_args() {
+ command.arg(test_arg);
+ }
+ builder.run(&mut command);
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Tidy;
+
+impl Step for Tidy {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ /// Runs the `tidy` tool.
+ ///
+ /// This tool in `src/tools` checks up on various bits and pieces of style and
+ /// otherwise just implements a few lint-like checks that are specific to the
+ /// compiler itself.
+ ///
+ /// Once tidy passes, this step also runs `fmt --check` if tests are being run
+ /// for the `dev` or `nightly` channels.
+ fn run(self, builder: &Builder<'_>) {
+ let mut cmd = builder.tool_cmd(Tool::Tidy);
+ cmd.arg(&builder.src);
+ cmd.arg(&builder.initial_cargo);
+ cmd.arg(&builder.out);
+ cmd.arg(builder.jobs().to_string());
+ if builder.is_verbose() {
+ cmd.arg("--verbose");
+ }
+
+ builder.info("tidy check");
+ try_run(builder, &mut cmd);
+
+ if builder.config.channel == "dev" || builder.config.channel == "nightly" {
+ builder.info("fmt check");
+ if builder.initial_rustfmt().is_none() {
+ let inferred_rustfmt_dir = builder.config.initial_rustc.parent().unwrap();
+ eprintln!(
+ "\
+error: no `rustfmt` binary found in {PATH}
+info: `rust.channel` is currently set to \"{CHAN}\"
+help: if you are testing a beta branch, set `rust.channel` to \"beta\" in the `config.toml` file
+help: to skip test's attempt to check tidiness, pass `--exclude src/tools/tidy` to `x.py test`",
+ PATH = inferred_rustfmt_dir.display(),
+ CHAN = builder.config.channel,
+ );
+ crate::detail_exit(1);
+ }
+ crate::format::format(&builder, !builder.config.cmd.bless(), &[]);
+ }
+ }
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/tidy")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Tidy);
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct ExpandYamlAnchors;
+
+impl Step for ExpandYamlAnchors {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+
+ /// Ensure the `generate-ci-config` tool was run locally.
+ ///
+ /// The tool in `src/tools` reads the CI definition in `src/ci/builders.yml` and generates the
+ /// appropriate configuration for all our CI providers. This step ensures the tool was called
+ /// by the user before committing CI changes.
+ fn run(self, builder: &Builder<'_>) {
+ builder.info("Ensuring the YAML anchors in the GitHub Actions config were expanded");
+ try_run(
+ builder,
+ &mut builder.tool_cmd(Tool::ExpandYamlAnchors).arg("check").arg(&builder.src),
+ );
+ }
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/expand-yaml-anchors")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(ExpandYamlAnchors);
+ }
+}
+
+fn testdir(builder: &Builder<'_>, host: TargetSelection) -> PathBuf {
+ builder.out.join(host.triple).join("test")
+}
+
+macro_rules! default_test {
+ ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
+ test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: false });
+ };
+}
+
+macro_rules! default_test_with_compare_mode {
+ ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr,
+ compare_mode: $compare_mode:expr }) => {
+ test_with_compare_mode!($name {
+ path: $path,
+ mode: $mode,
+ suite: $suite,
+ default: true,
+ host: false,
+ compare_mode: $compare_mode
+ });
+ };
+}
+
+macro_rules! host_test {
+ ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
+ test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: true });
+ };
+}
+
+macro_rules! test {
+ ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
+ host: $host:expr }) => {
+ test_definitions!($name {
+ path: $path,
+ mode: $mode,
+ suite: $suite,
+ default: $default,
+ host: $host,
+ compare_mode: None
+ });
+ };
+}
+
+macro_rules! test_with_compare_mode {
+ ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
+ host: $host:expr, compare_mode: $compare_mode:expr }) => {
+ test_definitions!($name {
+ path: $path,
+ mode: $mode,
+ suite: $suite,
+ default: $default,
+ host: $host,
+ compare_mode: Some($compare_mode)
+ });
+ };
+}
+
+macro_rules! test_definitions {
+ ($name:ident {
+ path: $path:expr,
+ mode: $mode:expr,
+ suite: $suite:expr,
+ default: $default:expr,
+ host: $host:expr,
+ compare_mode: $compare_mode:expr
+ }) => {
+ #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+ pub struct $name {
+ pub compiler: Compiler,
+ pub target: TargetSelection,
+ }
+
+ impl Step for $name {
+ type Output = ();
+ const DEFAULT: bool = $default;
+ const ONLY_HOSTS: bool = $host;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.suite_path($path)
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
+
+ run.builder.ensure($name { compiler, target: run.target });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ builder.ensure(Compiletest {
+ compiler: self.compiler,
+ target: self.target,
+ mode: $mode,
+ suite: $suite,
+ path: $path,
+ compare_mode: $compare_mode,
+ })
+ }
+ }
+ };
+}
+
+default_test!(Ui { path: "src/test/ui", mode: "ui", suite: "ui" });
+
+default_test!(RunPassValgrind {
+ path: "src/test/run-pass-valgrind",
+ mode: "run-pass-valgrind",
+ suite: "run-pass-valgrind"
+});
+
+default_test!(MirOpt { path: "src/test/mir-opt", mode: "mir-opt", suite: "mir-opt" });
+
+default_test!(Codegen { path: "src/test/codegen", mode: "codegen", suite: "codegen" });
+
+default_test!(CodegenUnits {
+ path: "src/test/codegen-units",
+ mode: "codegen-units",
+ suite: "codegen-units"
+});
+
+default_test!(Incremental {
+ path: "src/test/incremental",
+ mode: "incremental",
+ suite: "incremental"
+});
+
+default_test_with_compare_mode!(Debuginfo {
+ path: "src/test/debuginfo",
+ mode: "debuginfo",
+ suite: "debuginfo",
+ compare_mode: "split-dwarf"
+});
+
+host_test!(UiFullDeps { path: "src/test/ui-fulldeps", mode: "ui", suite: "ui-fulldeps" });
+
+host_test!(Rustdoc { path: "src/test/rustdoc", mode: "rustdoc", suite: "rustdoc" });
+host_test!(RustdocUi { path: "src/test/rustdoc-ui", mode: "ui", suite: "rustdoc-ui" });
+
+host_test!(RustdocJson {
+ path: "src/test/rustdoc-json",
+ mode: "rustdoc-json",
+ suite: "rustdoc-json"
+});
+
+host_test!(Pretty { path: "src/test/pretty", mode: "pretty", suite: "pretty" });
+
+default_test!(RunMake { path: "src/test/run-make", mode: "run-make", suite: "run-make" });
+
+host_test!(RunMakeFullDeps {
+ path: "src/test/run-make-fulldeps",
+ mode: "run-make",
+ suite: "run-make-fulldeps"
+});
+
+default_test!(Assembly { path: "src/test/assembly", mode: "assembly", suite: "assembly" });
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+struct Compiletest {
+ compiler: Compiler,
+ target: TargetSelection,
+ mode: &'static str,
+ suite: &'static str,
+ path: &'static str,
+ compare_mode: Option<&'static str>,
+}
+
+impl Step for Compiletest {
+ type Output = ();
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.never()
+ }
+
+ /// Executes the `compiletest` tool to run a suite of tests.
+ ///
+ /// Compiles all tests with `compiler` for `target` with the specified
+ /// compiletest `mode` and `suite` arguments. For example `mode` can be
+ /// "run-pass" or `suite` can be something like `debuginfo`.
+ fn run(self, builder: &Builder<'_>) {
+ if builder.top_stage == 0 && env::var("COMPILETEST_FORCE_STAGE0").is_err() {
+ eprintln!("\
+error: `--stage 0` runs compiletest on the beta compiler, not your local changes, and will almost always cause tests to fail
+help: to test the compiler, use `--stage 1` instead
+help: to test the standard library, use `--stage 0 library/std` instead
+note: if you're sure you want to do this, please open an issue as to why. In the meantime, you can override this with `COMPILETEST_FORCE_STAGE0=1`."
+ );
+ crate::detail_exit(1);
+ }
+
+ let compiler = self.compiler;
+ let target = self.target;
+ let mode = self.mode;
+ let suite = self.suite;
+
+ // Path for test suite
+ let suite_path = self.path;
+
+ // Skip codegen tests if they aren't enabled in configuration.
+ if !builder.config.codegen_tests && suite == "codegen" {
+ return;
+ }
+
+ if suite == "debuginfo" {
+ builder
+ .ensure(dist::DebuggerScripts { sysroot: builder.sysroot(compiler), host: target });
+ }
+
+ if suite.ends_with("fulldeps") {
+ builder.ensure(compile::Rustc::new(compiler, target));
+ }
+
+ builder.ensure(compile::Std::new(compiler, target));
+ // ensure that `libproc_macro` is available on the host.
+ builder.ensure(compile::Std::new(compiler, compiler.host));
+
+ // Also provide `rust_test_helpers` for the host.
+ builder.ensure(native::TestHelpers { target: compiler.host });
+
+ // As well as the target, except for plain wasm32, which can't build it
+ if !target.contains("wasm") || target.contains("emscripten") {
+ builder.ensure(native::TestHelpers { target });
+ }
+
+ builder.ensure(RemoteCopyLibs { compiler, target });
+
+ let mut cmd = builder.tool_cmd(Tool::Compiletest);
+
+ // compiletest currently has... a lot of arguments, so let's just pass all
+ // of them!
+
+ cmd.arg("--compile-lib-path").arg(builder.rustc_libdir(compiler));
+ cmd.arg("--run-lib-path").arg(builder.sysroot_libdir(compiler, target));
+ cmd.arg("--rustc-path").arg(builder.rustc(compiler));
+
+ let is_rustdoc = suite.ends_with("rustdoc-ui") || suite.ends_with("rustdoc-js");
+
+ // Avoid depending on rustdoc when we don't need it.
+ if mode == "rustdoc"
+ || mode == "run-make"
+ || (mode == "ui" && is_rustdoc)
+ || mode == "js-doc-test"
+ || mode == "rustdoc-json"
+ {
+ cmd.arg("--rustdoc-path").arg(builder.rustdoc(compiler));
+ }
+
+ if mode == "rustdoc-json" {
+ // Use the beta compiler for jsondocck
+ let json_compiler = compiler.with_stage(0);
+ cmd.arg("--jsondocck-path")
+ .arg(builder.ensure(tool::JsonDocCk { compiler: json_compiler, target }));
+ }
+
+ if mode == "run-make" {
+ let rust_demangler = builder
+ .ensure(tool::RustDemangler {
+ compiler,
+ target: compiler.host,
+ extra_features: Vec::new(),
+ })
+ .expect("in-tree tool");
+ cmd.arg("--rust-demangler-path").arg(rust_demangler);
+ }
+
+ cmd.arg("--src-base").arg(builder.src.join("src/test").join(suite));
+ cmd.arg("--build-base").arg(testdir(builder, compiler.host).join(suite));
+ cmd.arg("--stage-id").arg(format!("stage{}-{}", compiler.stage, target));
+ cmd.arg("--suite").arg(suite);
+ cmd.arg("--mode").arg(mode);
+ cmd.arg("--target").arg(target.rustc_target_arg());
+ cmd.arg("--host").arg(&*compiler.host.triple);
+ cmd.arg("--llvm-filecheck").arg(builder.llvm_filecheck(builder.config.build));
+
+ if builder.config.cmd.bless() {
+ cmd.arg("--bless");
+ }
+
+ if builder.config.cmd.force_rerun() {
+ cmd.arg("--force-rerun");
+ }
+
+ let compare_mode =
+ builder.config.cmd.compare_mode().or_else(|| {
+ if builder.config.test_compare_mode { self.compare_mode } else { None }
+ });
+
+ if let Some(ref pass) = builder.config.cmd.pass() {
+ cmd.arg("--pass");
+ cmd.arg(pass);
+ }
+
+ if let Some(ref run) = builder.config.cmd.run() {
+ cmd.arg("--run");
+ cmd.arg(run);
+ }
+
+ if let Some(ref nodejs) = builder.config.nodejs {
+ cmd.arg("--nodejs").arg(nodejs);
+ }
+ if let Some(ref npm) = builder.config.npm {
+ cmd.arg("--npm").arg(npm);
+ }
+ if builder.config.rust_optimize_tests {
+ cmd.arg("--optimize-tests");
+ }
+ let mut flags = if is_rustdoc { Vec::new() } else { vec!["-Crpath".to_string()] };
+ flags.push(format!("-Cdebuginfo={}", builder.config.rust_debuginfo_level_tests));
+ flags.push(builder.config.cmd.rustc_args().join(" "));
+
+ if let Some(linker) = builder.linker(target) {
+ cmd.arg("--linker").arg(linker);
+ }
+
+ let mut hostflags = flags.clone();
+ hostflags.push(format!("-Lnative={}", builder.test_helpers_out(compiler.host).display()));
+ hostflags.extend(builder.lld_flags(compiler.host));
+ cmd.arg("--host-rustcflags").arg(hostflags.join(" "));
+
+ let mut targetflags = flags;
+ targetflags.push(format!("-Lnative={}", builder.test_helpers_out(target).display()));
+ targetflags.extend(builder.lld_flags(target));
+ cmd.arg("--target-rustcflags").arg(targetflags.join(" "));
+
+ cmd.arg("--python").arg(builder.python());
+
+ if let Some(ref gdb) = builder.config.gdb {
+ cmd.arg("--gdb").arg(gdb);
+ }
+
+ let run = |cmd: &mut Command| {
+ cmd.output().map(|output| {
+ String::from_utf8_lossy(&output.stdout)
+ .lines()
+ .next()
+ .unwrap_or_else(|| panic!("{:?} failed {:?}", cmd, output))
+ .to_string()
+ })
+ };
+ let lldb_exe = "lldb";
+ let lldb_version = Command::new(lldb_exe)
+ .arg("--version")
+ .output()
+ .map(|output| String::from_utf8_lossy(&output.stdout).to_string())
+ .ok();
+ if let Some(ref vers) = lldb_version {
+ cmd.arg("--lldb-version").arg(vers);
+ let lldb_python_dir = run(Command::new(lldb_exe).arg("-P")).ok();
+ if let Some(ref dir) = lldb_python_dir {
+ cmd.arg("--lldb-python-dir").arg(dir);
+ }
+ }
+
+ if util::forcing_clang_based_tests() {
+ let clang_exe = builder.llvm_out(target).join("bin").join("clang");
+ cmd.arg("--run-clang-based-tests-with").arg(clang_exe);
+ }
+
+ // Get paths from cmd args
+ let paths = match &builder.config.cmd {
+ Subcommand::Test { ref paths, .. } => &paths[..],
+ _ => &[],
+ };
+
+ // Get test-args by striping suite path
+ let mut test_args: Vec<&str> = paths
+ .iter()
+ .filter_map(|p| util::is_valid_test_suite_arg(p, suite_path, builder))
+ .collect();
+
+ test_args.append(&mut builder.config.cmd.test_args());
+
+ cmd.args(&test_args);
+
+ if builder.is_verbose() {
+ cmd.arg("--verbose");
+ }
+
+ if !builder.config.verbose_tests {
+ cmd.arg("--quiet");
+ }
+
+ let mut llvm_components_passed = false;
+ let mut copts_passed = false;
+ if builder.config.llvm_enabled() {
+ let llvm_config = builder.ensure(native::Llvm { target: builder.config.build });
+ if !builder.config.dry_run {
+ let llvm_version = output(Command::new(&llvm_config).arg("--version"));
+ let llvm_components = output(Command::new(&llvm_config).arg("--components"));
+ // Remove trailing newline from llvm-config output.
+ cmd.arg("--llvm-version")
+ .arg(llvm_version.trim())
+ .arg("--llvm-components")
+ .arg(llvm_components.trim());
+ llvm_components_passed = true;
+ }
+ if !builder.is_rust_llvm(target) {
+ cmd.arg("--system-llvm");
+ }
+
+ // Tests that use compiler libraries may inherit the `-lLLVM` link
+ // requirement, but the `-L` library path is not propagated across
+ // separate compilations. We can add LLVM's library path to the
+ // platform-specific environment variable as a workaround.
+ if !builder.config.dry_run && suite.ends_with("fulldeps") {
+ let llvm_libdir = output(Command::new(&llvm_config).arg("--libdir"));
+ add_link_lib_path(vec![llvm_libdir.trim().into()], &mut cmd);
+ }
+
+ // Only pass correct values for these flags for the `run-make` suite as it
+ // requires that a C++ compiler was configured which isn't always the case.
+ if !builder.config.dry_run && matches!(suite, "run-make" | "run-make-fulldeps") {
+ // The llvm/bin directory contains many useful cross-platform
+ // tools. Pass the path to run-make tests so they can use them.
+ let llvm_bin_path = llvm_config
+ .parent()
+ .expect("Expected llvm-config to be contained in directory");
+ assert!(llvm_bin_path.is_dir());
+ cmd.arg("--llvm-bin-dir").arg(llvm_bin_path);
+
+ // If LLD is available, add it to the PATH
+ if builder.config.lld_enabled {
+ let lld_install_root =
+ builder.ensure(native::Lld { target: builder.config.build });
+
+ let lld_bin_path = lld_install_root.join("bin");
+
+ let old_path = env::var_os("PATH").unwrap_or_default();
+ let new_path = env::join_paths(
+ std::iter::once(lld_bin_path).chain(env::split_paths(&old_path)),
+ )
+ .expect("Could not add LLD bin path to PATH");
+ cmd.env("PATH", new_path);
+ }
+ }
+ }
+
+ // Only pass correct values for these flags for the `run-make` suite as it
+ // requires that a C++ compiler was configured which isn't always the case.
+ if !builder.config.dry_run && matches!(suite, "run-make" | "run-make-fulldeps") {
+ cmd.arg("--cc")
+ .arg(builder.cc(target))
+ .arg("--cxx")
+ .arg(builder.cxx(target).unwrap())
+ .arg("--cflags")
+ .arg(builder.cflags(target, GitRepo::Rustc, CLang::C).join(" "))
+ .arg("--cxxflags")
+ .arg(builder.cflags(target, GitRepo::Rustc, CLang::Cxx).join(" "));
+ copts_passed = true;
+ if let Some(ar) = builder.ar(target) {
+ cmd.arg("--ar").arg(ar);
+ }
+ }
+
+ if !llvm_components_passed {
+ cmd.arg("--llvm-components").arg("");
+ }
+ if !copts_passed {
+ cmd.arg("--cc")
+ .arg("")
+ .arg("--cxx")
+ .arg("")
+ .arg("--cflags")
+ .arg("")
+ .arg("--cxxflags")
+ .arg("");
+ }
+
+ if builder.remote_tested(target) {
+ cmd.arg("--remote-test-client").arg(builder.tool_exe(Tool::RemoteTestClient));
+ }
+
+ // Running a C compiler on MSVC requires a few env vars to be set, to be
+ // sure to set them here.
+ //
+ // Note that if we encounter `PATH` we make sure to append to our own `PATH`
+ // rather than stomp over it.
+ if target.contains("msvc") {
+ for &(ref k, ref v) in builder.cc[&target].env() {
+ if k != "PATH" {
+ cmd.env(k, v);
+ }
+ }
+ }
+ cmd.env("RUSTC_BOOTSTRAP", "1");
+ // Override the rustc version used in symbol hashes to reduce the amount of normalization
+ // needed when diffing test output.
+ cmd.env("RUSTC_FORCE_RUSTC_VERSION", "compiletest");
+ cmd.env("DOC_RUST_LANG_ORG_CHANNEL", builder.doc_rust_lang_org_channel());
+ builder.add_rust_test_threads(&mut cmd);
+
+ if builder.config.sanitizers_enabled(target) {
+ cmd.env("RUSTC_SANITIZER_SUPPORT", "1");
+ }
+
+ if builder.config.profiler_enabled(target) {
+ cmd.env("RUSTC_PROFILER_SUPPORT", "1");
+ }
+
+ cmd.env("RUST_TEST_TMPDIR", builder.tempdir());
+
+ cmd.arg("--adb-path").arg("adb");
+ cmd.arg("--adb-test-dir").arg(ADB_TEST_DIR);
+ if target.contains("android") {
+ // Assume that cc for this target comes from the android sysroot
+ cmd.arg("--android-cross-path")
+ .arg(builder.cc(target).parent().unwrap().parent().unwrap());
+ } else {
+ cmd.arg("--android-cross-path").arg("");
+ }
+
+ if builder.config.cmd.rustfix_coverage() {
+ cmd.arg("--rustfix-coverage");
+ }
+
+ cmd.env("BOOTSTRAP_CARGO", &builder.initial_cargo);
+
+ cmd.arg("--channel").arg(&builder.config.channel);
+
+ builder.ci_env.force_coloring_in_ci(&mut cmd);
+
+ builder.info(&format!(
+ "Check compiletest suite={} mode={} ({} -> {})",
+ suite, mode, &compiler.host, target
+ ));
+ let _time = util::timeit(&builder);
+ try_run(builder, &mut cmd);
+
+ if let Some(compare_mode) = compare_mode {
+ cmd.arg("--compare-mode").arg(compare_mode);
+ builder.info(&format!(
+ "Check compiletest suite={} mode={} compare_mode={} ({} -> {})",
+ suite, mode, compare_mode, &compiler.host, target
+ ));
+ let _time = util::timeit(&builder);
+ try_run(builder, &mut cmd);
+ }
+ }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+struct BookTest {
+ compiler: Compiler,
+ path: PathBuf,
+ name: &'static str,
+ is_ext_doc: bool,
+}
+
+impl Step for BookTest {
+ type Output = ();
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.never()
+ }
+
+ /// Runs the documentation tests for a book in `src/doc`.
+ ///
+ /// This uses the `rustdoc` that sits next to `compiler`.
+ fn run(self, builder: &Builder<'_>) {
+ // External docs are different from local because:
+ // - Some books need pre-processing by mdbook before being tested.
+ // - They need to save their state to toolstate.
+ // - They are only tested on the "checktools" builders.
+ //
+ // The local docs are tested by default, and we don't want to pay the
+ // cost of building mdbook, so they use `rustdoc --test` directly.
+ // Also, the unstable book is special because SUMMARY.md is generated,
+ // so it is easier to just run `rustdoc` on its files.
+ if self.is_ext_doc {
+ self.run_ext_doc(builder);
+ } else {
+ self.run_local_doc(builder);
+ }
+ }
+}
+
+impl BookTest {
+ /// This runs the equivalent of `mdbook test` (via the rustbook wrapper)
+ /// which in turn runs `rustdoc --test` on each file in the book.
+ fn run_ext_doc(self, builder: &Builder<'_>) {
+ let compiler = self.compiler;
+
+ builder.ensure(compile::Std::new(compiler, compiler.host));
+
+ // mdbook just executes a binary named "rustdoc", so we need to update
+ // PATH so that it points to our rustdoc.
+ let mut rustdoc_path = builder.rustdoc(compiler);
+ rustdoc_path.pop();
+ let old_path = env::var_os("PATH").unwrap_or_default();
+ let new_path = env::join_paths(iter::once(rustdoc_path).chain(env::split_paths(&old_path)))
+ .expect("could not add rustdoc to PATH");
+
+ let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
+ let path = builder.src.join(&self.path);
+ // Books often have feature-gated example text.
+ rustbook_cmd.env("RUSTC_BOOTSTRAP", "1");
+ rustbook_cmd.env("PATH", new_path).arg("test").arg(path);
+ builder.add_rust_test_threads(&mut rustbook_cmd);
+ builder.info(&format!("Testing rustbook {}", self.path.display()));
+ let _time = util::timeit(&builder);
+ let toolstate = if try_run(builder, &mut rustbook_cmd) {
+ ToolState::TestPass
+ } else {
+ ToolState::TestFail
+ };
+ builder.save_toolstate(self.name, toolstate);
+ }
+
+ /// This runs `rustdoc --test` on all `.md` files in the path.
+ fn run_local_doc(self, builder: &Builder<'_>) {
+ let compiler = self.compiler;
+
+ builder.ensure(compile::Std::new(compiler, compiler.host));
+
+ // Do a breadth-first traversal of the `src/doc` directory and just run
+ // tests for all files that end in `*.md`
+ let mut stack = vec![builder.src.join(self.path)];
+ let _time = util::timeit(&builder);
+ let mut files = Vec::new();
+ while let Some(p) = stack.pop() {
+ if p.is_dir() {
+ stack.extend(t!(p.read_dir()).map(|p| t!(p).path()));
+ continue;
+ }
+
+ if p.extension().and_then(|s| s.to_str()) != Some("md") {
+ continue;
+ }
+
+ files.push(p);
+ }
+
+ files.sort();
+
+ for file in files {
+ markdown_test(builder, compiler, &file);
+ }
+ }
+}
+
+macro_rules! test_book {
+ ($($name:ident, $path:expr, $book_name:expr, default=$default:expr;)+) => {
+ $(
+ #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+ pub struct $name {
+ compiler: Compiler,
+ }
+
+ impl Step for $name {
+ type Output = ();
+ const DEFAULT: bool = $default;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path($path)
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure($name {
+ compiler: run.builder.compiler(run.builder.top_stage, run.target),
+ });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ builder.ensure(BookTest {
+ compiler: self.compiler,
+ path: PathBuf::from($path),
+ name: $book_name,
+ is_ext_doc: !$default,
+ });
+ }
+ }
+ )+
+ }
+}
+
+test_book!(
+ Nomicon, "src/doc/nomicon", "nomicon", default=false;
+ Reference, "src/doc/reference", "reference", default=false;
+ RustdocBook, "src/doc/rustdoc", "rustdoc", default=true;
+ RustcBook, "src/doc/rustc", "rustc", default=true;
+ RustByExample, "src/doc/rust-by-example", "rust-by-example", default=false;
+ EmbeddedBook, "src/doc/embedded-book", "embedded-book", default=false;
+ TheBook, "src/doc/book", "book", default=false;
+ UnstableBook, "src/doc/unstable-book", "unstable-book", default=true;
+ EditionGuide, "src/doc/edition-guide", "edition-guide", default=false;
+);
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct ErrorIndex {
+ compiler: Compiler,
+}
+
+impl Step for ErrorIndex {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/error_index_generator")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ // error_index_generator depends on librustdoc. Use the compiler that
+ // is normally used to build rustdoc for other tests (like compiletest
+ // tests in src/test/rustdoc) so that it shares the same artifacts.
+ let compiler = run.builder.compiler(run.builder.top_stage, run.builder.config.build);
+ run.builder.ensure(ErrorIndex { compiler });
+ }
+
+ /// Runs the error index generator tool to execute the tests located in the error
+ /// index.
+ ///
+ /// The `error_index_generator` tool lives in `src/tools` and is used to
+ /// generate a markdown file from the error indexes of the code base which is
+ /// then passed to `rustdoc --test`.
+ fn run(self, builder: &Builder<'_>) {
+ let compiler = self.compiler;
+
+ let dir = testdir(builder, compiler.host);
+ t!(fs::create_dir_all(&dir));
+ let output = dir.join("error-index.md");
+
+ let mut tool = tool::ErrorIndex::command(builder);
+ tool.arg("markdown").arg(&output);
+
+ builder.info(&format!("Testing error-index stage{}", compiler.stage));
+ let _time = util::timeit(&builder);
+ builder.run_quiet(&mut tool);
+ // The tests themselves need to link to std, so make sure it is
+ // available.
+ builder.ensure(compile::Std::new(compiler, compiler.host));
+ markdown_test(builder, compiler, &output);
+ }
+}
+
+fn markdown_test(builder: &Builder<'_>, compiler: Compiler, markdown: &Path) -> bool {
+ if let Ok(contents) = fs::read_to_string(markdown) {
+ if !contents.contains("```") {
+ return true;
+ }
+ }
+
+ builder.info(&format!("doc tests for: {}", markdown.display()));
+ let mut cmd = builder.rustdoc_cmd(compiler);
+ builder.add_rust_test_threads(&mut cmd);
+ // allow for unstable options such as new editions
+ cmd.arg("-Z");
+ cmd.arg("unstable-options");
+ cmd.arg("--test");
+ cmd.arg(markdown);
+ cmd.env("RUSTC_BOOTSTRAP", "1");
+
+ let test_args = builder.config.cmd.test_args().join(" ");
+ cmd.arg("--test-args").arg(test_args);
+
+ if builder.config.verbose_tests {
+ try_run(builder, &mut cmd)
+ } else {
+ try_run_quiet(builder, &mut cmd)
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct RustcGuide;
+
+impl Step for RustcGuide {
+ type Output = ();
+ const DEFAULT: bool = false;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/doc/rustc-dev-guide")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(RustcGuide);
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ let relative_path = Path::new("src").join("doc").join("rustc-dev-guide");
+ builder.update_submodule(&relative_path);
+
+ let src = builder.src.join(relative_path);
+ let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
+ let toolstate = if try_run(builder, rustbook_cmd.arg("linkcheck").arg(&src)) {
+ ToolState::TestPass
+ } else {
+ ToolState::TestFail
+ };
+ builder.save_toolstate("rustc-dev-guide", toolstate);
+ }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct CrateLibrustc {
+ compiler: Compiler,
+ target: TargetSelection,
+ test_kind: TestKind,
+ crates: Vec<Interned<String>>,
+}
+
+impl Step for CrateLibrustc {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.crate_or_deps("rustc-main")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let builder = run.builder;
+ let host = run.build_triple();
+ let compiler = builder.compiler_for(builder.top_stage, host, host);
+ let crates = run
+ .paths
+ .iter()
+ .map(|p| builder.crate_paths[&p.assert_single_path().path].clone())
+ .collect();
+ let test_kind = builder.kind.into();
+
+ builder.ensure(CrateLibrustc { compiler, target: run.target, test_kind, crates });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ builder.ensure(Crate {
+ compiler: self.compiler,
+ target: self.target,
+ mode: Mode::Rustc,
+ test_kind: self.test_kind,
+ crates: self.crates,
+ });
+ }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub struct Crate {
+ pub compiler: Compiler,
+ pub target: TargetSelection,
+ pub mode: Mode,
+ pub test_kind: TestKind,
+ pub crates: Vec<Interned<String>>,
+}
+
+impl Step for Crate {
+ type Output = ();
+ const DEFAULT: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.crate_or_deps("test")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let builder = run.builder;
+ let host = run.build_triple();
+ let compiler = builder.compiler_for(builder.top_stage, host, host);
+ let test_kind = builder.kind.into();
+ let crates = run
+ .paths
+ .iter()
+ .map(|p| builder.crate_paths[&p.assert_single_path().path].clone())
+ .collect();
+
+ builder.ensure(Crate { compiler, target: run.target, mode: Mode::Std, test_kind, crates });
+ }
+
+ /// Runs all unit tests plus documentation tests for a given crate defined
+ /// by a `Cargo.toml` (single manifest)
+ ///
+ /// This is what runs tests for crates like the standard library, compiler, etc.
+ /// It essentially is the driver for running `cargo test`.
+ ///
+ /// Currently this runs all tests for a DAG by passing a bunch of `-p foo`
+ /// arguments, and those arguments are discovered from `cargo metadata`.
+ fn run(self, builder: &Builder<'_>) {
+ let compiler = self.compiler;
+ let target = self.target;
+ let mode = self.mode;
+ let test_kind = self.test_kind;
+
+ builder.ensure(compile::Std::new(compiler, target));
+ builder.ensure(RemoteCopyLibs { compiler, target });
+
+ // If we're not doing a full bootstrap but we're testing a stage2
+ // version of libstd, then what we're actually testing is the libstd
+ // produced in stage1. Reflect that here by updating the compiler that
+ // we're working with automatically.
+ let compiler = builder.compiler_for(compiler.stage, compiler.host, target);
+
+ let mut cargo =
+ builder.cargo(compiler, mode, SourceType::InTree, target, test_kind.subcommand());
+ match mode {
+ Mode::Std => {
+ compile::std_cargo(builder, target, compiler.stage, &mut cargo);
+ }
+ Mode::Rustc => {
+ compile::rustc_cargo(builder, &mut cargo, target);
+ }
+ _ => panic!("can only test libraries"),
+ };
+
+ // Build up the base `cargo test` command.
+ //
+ // Pass in some standard flags then iterate over the graph we've discovered
+ // in `cargo metadata` with the maps above and figure out what `-p`
+ // arguments need to get passed.
+ if test_kind.subcommand() == "test" && !builder.fail_fast {
+ cargo.arg("--no-fail-fast");
+ }
+ match builder.doc_tests {
+ DocTests::Only => {
+ cargo.arg("--doc");
+ }
+ DocTests::No => {
+ cargo.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
+ }
+ DocTests::Yes => {}
+ }
+
+ for krate in &self.crates {
+ cargo.arg("-p").arg(krate);
+ }
+
+ // The tests are going to run with the *target* libraries, so we need to
+ // ensure that those libraries show up in the LD_LIBRARY_PATH equivalent.
+ //
+ // Note that to run the compiler we need to run with the *host* libraries,
+ // but our wrapper scripts arrange for that to be the case anyway.
+ let mut dylib_path = dylib_path();
+ dylib_path.insert(0, PathBuf::from(&*builder.sysroot_libdir(compiler, target)));
+ cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
+
+ cargo.arg("--");
+ cargo.args(&builder.config.cmd.test_args());
+
+ if !builder.config.verbose_tests {
+ cargo.arg("--quiet");
+ }
+
+ if target.contains("emscripten") {
+ cargo.env(
+ format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)),
+ builder.config.nodejs.as_ref().expect("nodejs not configured"),
+ );
+ } else if target.starts_with("wasm32") {
+ let node = builder.config.nodejs.as_ref().expect("nodejs not configured");
+ let runner =
+ format!("{} {}/src/etc/wasm32-shim.js", node.display(), builder.src.display());
+ cargo.env(format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)), &runner);
+ } else if builder.remote_tested(target) {
+ cargo.env(
+ format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)),
+ format!("{} run 0", builder.tool_exe(Tool::RemoteTestClient).display()),
+ );
+ }
+
+ builder.info(&format!(
+ "{} {:?} stage{} ({} -> {})",
+ test_kind, self.crates, compiler.stage, &compiler.host, target
+ ));
+ let _time = util::timeit(&builder);
+ try_run(builder, &mut cargo.into());
+ }
+}
+
+/// Rustdoc is special in various ways, which is why this step is different from `Crate`.
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct CrateRustdoc {
+ host: TargetSelection,
+ test_kind: TestKind,
+}
+
+impl Step for CrateRustdoc {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.paths(&["src/librustdoc", "src/tools/rustdoc"])
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let builder = run.builder;
+
+ let test_kind = builder.kind.into();
+
+ builder.ensure(CrateRustdoc { host: run.target, test_kind });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ let test_kind = self.test_kind;
+ let target = self.host;
+
+ let compiler = if builder.download_rustc() {
+ builder.compiler(builder.top_stage, target)
+ } else {
+ // Use the previous stage compiler to reuse the artifacts that are
+ // created when running compiletest for src/test/rustdoc. If this used
+ // `compiler`, then it would cause rustdoc to be built *again*, which
+ // isn't really necessary.
+ builder.compiler_for(builder.top_stage, target, target)
+ };
+ builder.ensure(compile::Rustc::new(compiler, target));
+
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ target,
+ test_kind.subcommand(),
+ "src/tools/rustdoc",
+ SourceType::InTree,
+ &[],
+ );
+ if test_kind.subcommand() == "test" && !builder.fail_fast {
+ cargo.arg("--no-fail-fast");
+ }
+ match builder.doc_tests {
+ DocTests::Only => {
+ cargo.arg("--doc");
+ }
+ DocTests::No => {
+ cargo.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
+ }
+ DocTests::Yes => {}
+ }
+
+ cargo.arg("-p").arg("rustdoc:0.0.0");
+
+ cargo.arg("--");
+ cargo.args(&builder.config.cmd.test_args());
+
+ if self.host.contains("musl") {
+ cargo.arg("'-Ctarget-feature=-crt-static'");
+ }
+
+ // This is needed for running doctests on librustdoc. This is a bit of
+ // an unfortunate interaction with how bootstrap works and how cargo
+ // sets up the dylib path, and the fact that the doctest (in
+ // html/markdown.rs) links to rustc-private libs. For stage1, the
+ // compiler host dylibs (in stage1/lib) are not the same as the target
+ // dylibs (in stage1/lib/rustlib/...). This is different from a normal
+ // rust distribution where they are the same.
+ //
+ // On the cargo side, normal tests use `target_process` which handles
+ // setting up the dylib for a *target* (stage1/lib/rustlib/... in this
+ // case). However, for doctests it uses `rustdoc_process` which only
+ // sets up the dylib path for the *host* (stage1/lib), which is the
+ // wrong directory.
+ //
+ // Recall that we special-cased `compiler_for(top_stage)` above, so we always use stage1.
+ //
+ // It should be considered to just stop running doctests on
+ // librustdoc. There is only one test, and it doesn't look too
+ // important. There might be other ways to avoid this, but it seems
+ // pretty convoluted.
+ //
+ // See also https://github.com/rust-lang/rust/issues/13983 where the
+ // host vs target dylibs for rustdoc are consistently tricky to deal
+ // with.
+ //
+ // Note that this set the host libdir for `download_rustc`, which uses a normal rust distribution.
+ let libdir = if builder.download_rustc() {
+ builder.rustc_libdir(compiler)
+ } else {
+ builder.sysroot_libdir(compiler, target).to_path_buf()
+ };
+ let mut dylib_path = dylib_path();
+ dylib_path.insert(0, PathBuf::from(&*libdir));
+ cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
+
+ if !builder.config.verbose_tests {
+ cargo.arg("--quiet");
+ }
+
+ builder.info(&format!(
+ "{} rustdoc stage{} ({} -> {})",
+ test_kind, compiler.stage, &compiler.host, target
+ ));
+ let _time = util::timeit(&builder);
+
+ try_run(builder, &mut cargo.into());
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct CrateRustdocJsonTypes {
+ host: TargetSelection,
+ test_kind: TestKind,
+}
+
+impl Step for CrateRustdocJsonTypes {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/rustdoc-json-types")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let builder = run.builder;
+
+ let test_kind = builder.kind.into();
+
+ builder.ensure(CrateRustdocJsonTypes { host: run.target, test_kind });
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ let test_kind = self.test_kind;
+ let target = self.host;
+
+ // Use the previous stage compiler to reuse the artifacts that are
+ // created when running compiletest for src/test/rustdoc. If this used
+ // `compiler`, then it would cause rustdoc to be built *again*, which
+ // isn't really necessary.
+ let compiler = builder.compiler_for(builder.top_stage, target, target);
+ builder.ensure(compile::Rustc::new(compiler, target));
+
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ compiler,
+ Mode::ToolRustc,
+ target,
+ test_kind.subcommand(),
+ "src/rustdoc-json-types",
+ SourceType::InTree,
+ &[],
+ );
+ if test_kind.subcommand() == "test" && !builder.fail_fast {
+ cargo.arg("--no-fail-fast");
+ }
+
+ cargo.arg("-p").arg("rustdoc-json-types");
+
+ cargo.arg("--");
+ cargo.args(&builder.config.cmd.test_args());
+
+ if self.host.contains("musl") {
+ cargo.arg("'-Ctarget-feature=-crt-static'");
+ }
+
+ if !builder.config.verbose_tests {
+ cargo.arg("--quiet");
+ }
+
+ builder.info(&format!(
+ "{} rustdoc-json-types stage{} ({} -> {})",
+ test_kind, compiler.stage, &compiler.host, target
+ ));
+ let _time = util::timeit(&builder);
+
+ try_run(builder, &mut cargo.into());
+ }
+}
+
+/// Some test suites are run inside emulators or on remote devices, and most
+/// of our test binaries are linked dynamically which means we need to ship
+/// the standard library and such to the emulator ahead of time. This step
+/// represents this and is a dependency of all test suites.
+///
+/// Most of the time this is a no-op. For some steps such as shipping data to
+/// QEMU we have to build our own tools so we've got conditional dependencies
+/// on those programs as well. Note that the remote test client is built for
+/// the build target (us) and the server is built for the target.
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct RemoteCopyLibs {
+ compiler: Compiler,
+ target: TargetSelection,
+}
+
+impl Step for RemoteCopyLibs {
+ type Output = ();
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.never()
+ }
+
+ fn run(self, builder: &Builder<'_>) {
+ let compiler = self.compiler;
+ let target = self.target;
+ if !builder.remote_tested(target) {
+ return;
+ }
+
+ builder.ensure(compile::Std::new(compiler, target));
+
+ builder.info(&format!("REMOTE copy libs to emulator ({})", target));
+
+ let server = builder.ensure(tool::RemoteTestServer { compiler, target });
+
+ // Spawn the emulator and wait for it to come online
+ let tool = builder.tool_exe(Tool::RemoteTestClient);
+ let mut cmd = Command::new(&tool);
+ cmd.arg("spawn-emulator").arg(target.triple).arg(&server).arg(builder.tempdir());
+ if let Some(rootfs) = builder.qemu_rootfs(target) {
+ cmd.arg(rootfs);
+ }
+ builder.run(&mut cmd);
+
+ // Push all our dylibs to the emulator
+ for f in t!(builder.sysroot_libdir(compiler, target).read_dir()) {
+ let f = t!(f);
+ let name = f.file_name().into_string().unwrap();
+ if util::is_dylib(&name) {
+ builder.run(Command::new(&tool).arg("push").arg(f.path()));
+ }
+ }
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Distcheck;
+
+impl Step for Distcheck {
+ type Output = ();
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.alias("distcheck")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Distcheck);
+ }
+
+ /// Runs "distcheck", a 'make check' from a tarball
+ fn run(self, builder: &Builder<'_>) {
+ builder.info("Distcheck");
+ let dir = builder.tempdir().join("distcheck");
+ let _ = fs::remove_dir_all(&dir);
+ t!(fs::create_dir_all(&dir));
+
+ // Guarantee that these are built before we begin running.
+ builder.ensure(dist::PlainSourceTarball);
+ builder.ensure(dist::Src);
+
+ let mut cmd = Command::new("tar");
+ cmd.arg("-xf")
+ .arg(builder.ensure(dist::PlainSourceTarball).tarball())
+ .arg("--strip-components=1")
+ .current_dir(&dir);
+ builder.run(&mut cmd);
+ builder.run(
+ Command::new("./configure")
+ .args(&builder.config.configure_args)
+ .arg("--enable-vendor")
+ .current_dir(&dir),
+ );
+ builder.run(
+ Command::new(util::make(&builder.config.build.triple)).arg("check").current_dir(&dir),
+ );
+
+ // Now make sure that rust-src has all of libstd's dependencies
+ builder.info("Distcheck rust-src");
+ let dir = builder.tempdir().join("distcheck-src");
+ let _ = fs::remove_dir_all(&dir);
+ t!(fs::create_dir_all(&dir));
+
+ let mut cmd = Command::new("tar");
+ cmd.arg("-xf")
+ .arg(builder.ensure(dist::Src).tarball())
+ .arg("--strip-components=1")
+ .current_dir(&dir);
+ builder.run(&mut cmd);
+
+ let toml = dir.join("rust-src/lib/rustlib/src/rust/library/std/Cargo.toml");
+ builder.run(
+ Command::new(&builder.initial_cargo)
+ .arg("generate-lockfile")
+ .arg("--manifest-path")
+ .arg(&toml)
+ .current_dir(&dir),
+ );
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct Bootstrap;
+
+impl Step for Bootstrap {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ /// Tests the build system itself.
+ fn run(self, builder: &Builder<'_>) {
+ let mut check_bootstrap = Command::new(&builder.python());
+ check_bootstrap.arg("bootstrap_test.py").current_dir(builder.src.join("src/bootstrap/"));
+ try_run(builder, &mut check_bootstrap);
+
+ let mut cmd = Command::new(&builder.initial_cargo);
+ cmd.arg("test")
+ .current_dir(builder.src.join("src/bootstrap"))
+ .env("RUSTFLAGS", "-Cdebuginfo=2")
+ .env("CARGO_TARGET_DIR", builder.out.join("bootstrap"))
+ .env("RUSTC_BOOTSTRAP", "1")
+ .env("RUSTDOC", builder.rustdoc(builder.compiler(0, builder.build.build)))
+ .env("RUSTC", &builder.initial_rustc);
+ if let Some(flags) = option_env!("RUSTFLAGS") {
+ // Use the same rustc flags for testing as for "normal" compilation,
+ // so that Cargo doesn’t recompile the entire dependency graph every time:
+ // https://github.com/rust-lang/rust/issues/49215
+ cmd.env("RUSTFLAGS", flags);
+ }
+ if !builder.fail_fast {
+ cmd.arg("--no-fail-fast");
+ }
+ match builder.doc_tests {
+ DocTests::Only => {
+ cmd.arg("--doc");
+ }
+ DocTests::No => {
+ cmd.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
+ }
+ DocTests::Yes => {}
+ }
+
+ cmd.arg("--").args(&builder.config.cmd.test_args());
+ // rustbuild tests are racy on directory creation so just run them one at a time.
+ // Since there's not many this shouldn't be a problem.
+ cmd.arg("--test-threads=1");
+ try_run(builder, &mut cmd);
+ }
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/bootstrap")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(Bootstrap);
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct TierCheck {
+ pub compiler: Compiler,
+}
+
+impl Step for TierCheck {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/tier-check")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ let compiler =
+ run.builder.compiler_for(run.builder.top_stage, run.builder.build.build, run.target);
+ run.builder.ensure(TierCheck { compiler });
+ }
+
+ /// Tests the Platform Support page in the rustc book.
+ fn run(self, builder: &Builder<'_>) {
+ builder.ensure(compile::Std::new(self.compiler, self.compiler.host));
+ let mut cargo = tool::prepare_tool_cargo(
+ builder,
+ self.compiler,
+ Mode::ToolStd,
+ self.compiler.host,
+ "run",
+ "src/tools/tier-check",
+ SourceType::InTree,
+ &[],
+ );
+ cargo.arg(builder.src.join("src/doc/rustc/src/platform-support.md"));
+ cargo.arg(&builder.rustc(self.compiler));
+ if builder.is_verbose() {
+ cargo.arg("--verbose");
+ }
+
+ builder.info("platform support check");
+ try_run(builder, &mut cargo.into());
+ }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub struct LintDocs {
+ pub compiler: Compiler,
+ pub target: TargetSelection,
+}
+
+impl Step for LintDocs {
+ type Output = ();
+ const DEFAULT: bool = true;
+ const ONLY_HOSTS: bool = true;
+
+ fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+ run.path("src/tools/lint-docs")
+ }
+
+ fn make_run(run: RunConfig<'_>) {
+ run.builder.ensure(LintDocs {
+ compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
+ target: run.target,
+ });
+ }
+
+ /// Tests that the lint examples in the rustc book generate the correct
+ /// lints and have the expected format.
+ fn run(self, builder: &Builder<'_>) {
+ builder.ensure(crate::doc::RustcBook {
+ compiler: self.compiler,
+ target: self.target,
+ validate: true,
+ });
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 19:51:26 +0000