1 //! Implementation of the test-related targets of the build system.
3 //! This file implements the various regression test suites that we execute on
7 use std::ffi::OsString;
11 use std::path::{Path, PathBuf};
12 use std::process::{Command, Stdio};
14 use crate::builder::{Builder, Compiler, Kind, RunConfig, ShouldRun, Step};
15 use crate::cache::Interned;
17 use crate::config::TargetSelection;
19 use crate::flags::Subcommand;
21 use crate::tool::{self, SourceType, Tool};
22 use crate::toolstate::ToolState;
23 use crate::util::{self, add_link_lib_path, dylib_path, dylib_path_var, output, t};
24 use crate::{envify, CLang, DocTests, GitRepo, Mode};
26 const ADB_TEST_DIR: &str = "/data/local/tmp/work";
28 /// The two modes of the test runner; tests or benchmarks.
29 #[derive(Debug, PartialEq, Eq, Hash, Copy, Clone, PartialOrd, Ord)]
33 /// Run `cargo bench`.
37 impl From<Kind> for TestKind {
38 fn from(kind: Kind) -> Self {
40 Kind::Test => TestKind::Test,
41 Kind::Bench => TestKind::Bench,
42 _ => panic!("unexpected kind in crate: {:?}", kind),
48 // Return the cargo subcommand for this test kind
49 fn subcommand(self) -> &'static str {
51 TestKind::Test => "test",
52 TestKind::Bench => "bench",
57 impl fmt::Display for TestKind {
58 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
59 f.write_str(match *self {
60 TestKind::Test => "Testing",
61 TestKind::Bench => "Benchmarking",
66 fn try_run(builder: &Builder<'_>, cmd: &mut Command) -> bool {
67 if !builder.fail_fast {
68 if !builder.try_run(cmd) {
69 let mut failures = builder.delayed_failures.borrow_mut();
70 failures.push(format!("{:?}", cmd));
79 fn try_run_quiet(builder: &Builder<'_>, cmd: &mut Command) -> bool {
80 if !builder.fail_fast {
81 if !builder.try_run_quiet(cmd) {
82 let mut failures = builder.delayed_failures.borrow_mut();
83 failures.push(format!("{:?}", cmd));
87 builder.run_quiet(cmd);
92 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
93 pub struct Linkcheck {
94 host: TargetSelection,
97 impl Step for Linkcheck {
99 const ONLY_HOSTS: bool = true;
100 const DEFAULT: bool = true;
102 /// Runs the `linkchecker` tool as compiled in `stage` by the `host` compiler.
104 /// This tool in `src/tools` will verify the validity of all our links in the
105 /// documentation to ensure we don't have a bunch of dead ones.
106 fn run(self, builder: &Builder<'_>) {
107 let host = self.host;
108 let hosts = &builder.hosts;
109 let targets = &builder.targets;
111 // if we have different hosts and targets, some things may be built for
112 // the host (e.g. rustc) and others for the target (e.g. std). The
113 // documentation built for each will contain broken links to
114 // docs built for the other platform (e.g. rustc linking to cargo)
115 if (hosts != targets) && !hosts.is_empty() && !targets.is_empty() {
117 "Linkcheck currently does not support builds with different hosts and targets.
118 You can skip linkcheck with --exclude src/tools/linkchecker"
122 builder.info(&format!("Linkcheck ({})", host));
124 // Test the linkchecker itself.
125 let bootstrap_host = builder.config.build;
126 let compiler = builder.compiler(0, bootstrap_host);
127 let cargo = tool::prepare_tool_cargo(
133 "src/tools/linkchecker",
137 try_run(builder, &mut cargo.into());
139 // Build all the default documentation.
140 builder.default_doc(&[]);
142 // Run the linkchecker.
143 let _time = util::timeit(&builder);
146 builder.tool_cmd(Tool::Linkchecker).arg(builder.out.join(host.triple).join("doc")),
150 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
151 let builder = run.builder;
152 let run = run.path("src/tools/linkchecker");
153 run.default_condition(builder.config.docs)
156 fn make_run(run: RunConfig<'_>) {
157 run.builder.ensure(Linkcheck { host: run.target });
161 fn check_if_tidy_is_installed() -> bool {
164 .stdout(Stdio::null())
166 .map_or(false, |status| status.success())
169 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
170 pub struct HtmlCheck {
171 target: TargetSelection,
174 impl Step for HtmlCheck {
176 const DEFAULT: bool = true;
177 const ONLY_HOSTS: bool = true;
179 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
180 let run = run.path("src/tools/html-checker");
181 run.lazy_default_condition(Box::new(check_if_tidy_is_installed))
184 fn make_run(run: RunConfig<'_>) {
185 run.builder.ensure(HtmlCheck { target: run.target });
188 fn run(self, builder: &Builder<'_>) {
189 if !check_if_tidy_is_installed() {
190 eprintln!("not running HTML-check tool because `tidy` is missing");
192 "Note that `tidy` is not the in-tree `src/tools/tidy` but needs to be installed"
194 panic!("Cannot run html-check tests");
196 // Ensure that a few different kinds of documentation are available.
197 builder.default_doc(&[]);
198 builder.ensure(crate::doc::Rustc { target: self.target, stage: builder.top_stage });
200 try_run(builder, builder.tool_cmd(Tool::HtmlChecker).arg(builder.doc_out(self.target)));
204 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
205 pub struct Cargotest {
207 host: TargetSelection,
210 impl Step for Cargotest {
212 const ONLY_HOSTS: bool = true;
214 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
215 run.path("src/tools/cargotest")
218 fn make_run(run: RunConfig<'_>) {
219 run.builder.ensure(Cargotest { stage: run.builder.top_stage, host: run.target });
222 /// Runs the `cargotest` tool as compiled in `stage` by the `host` compiler.
224 /// This tool in `src/tools` will check out a few Rust projects and run `cargo
225 /// test` to ensure that we don't regress the test suites there.
226 fn run(self, builder: &Builder<'_>) {
227 let compiler = builder.compiler(self.stage, self.host);
228 builder.ensure(compile::Rustc::new(compiler, compiler.host));
229 let cargo = builder.ensure(tool::Cargo { compiler, target: compiler.host });
231 // Note that this is a short, cryptic, and not scoped directory name. This
232 // is currently to minimize the length of path on Windows where we otherwise
233 // quickly run into path name limit constraints.
234 let out_dir = builder.out.join("ct");
235 t!(fs::create_dir_all(&out_dir));
237 let _time = util::timeit(&builder);
238 let mut cmd = builder.tool_cmd(Tool::CargoTest);
243 .args(builder.config.cmd.test_args())
244 .env("RUSTC", builder.rustc(compiler))
245 .env("RUSTDOC", builder.rustdoc(compiler)),
250 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
253 host: TargetSelection,
256 impl Step for Cargo {
258 const ONLY_HOSTS: bool = true;
260 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
261 run.path("src/tools/cargo")
264 fn make_run(run: RunConfig<'_>) {
265 run.builder.ensure(Cargo { stage: run.builder.top_stage, host: run.target });
268 /// Runs `cargo test` for `cargo` packaged with Rust.
269 fn run(self, builder: &Builder<'_>) {
270 let compiler = builder.compiler(self.stage, self.host);
272 builder.ensure(tool::Cargo { compiler, target: self.host });
273 let mut cargo = tool::prepare_tool_cargo(
280 SourceType::Submodule,
284 if !builder.fail_fast {
285 cargo.arg("--no-fail-fast");
287 cargo.arg("--").args(builder.config.cmd.test_args());
289 // Don't run cross-compile tests, we may not have cross-compiled libstd libs
291 cargo.env("CFG_DISABLE_CROSS_TESTS", "1");
292 // Forcibly disable tests using nightly features since any changes to
293 // those features won't be able to land.
294 cargo.env("CARGO_TEST_DISABLE_NIGHTLY", "1");
296 cargo.env("PATH", &path_for_cargo(builder, compiler));
298 try_run(builder, &mut cargo.into());
302 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
303 pub struct RustAnalyzer {
305 host: TargetSelection,
308 impl Step for RustAnalyzer {
310 const ONLY_HOSTS: bool = true;
311 const DEFAULT: bool = true;
313 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
314 run.path("src/tools/rust-analyzer")
317 fn make_run(run: RunConfig<'_>) {
318 run.builder.ensure(Self { stage: run.builder.top_stage, host: run.target });
321 /// Runs `cargo test` for rust-analyzer
322 fn run(self, builder: &Builder<'_>) {
323 let stage = self.stage;
324 let host = self.host;
325 let compiler = builder.compiler(stage, host);
327 builder.ensure(tool::RustAnalyzer { compiler, target: self.host }).expect("in-tree tool");
329 let workspace_path = "src/tools/rust-analyzer";
330 // until the whole RA test suite runs on `i686`, we only run
331 // `proc-macro-srv` tests
332 let crate_path = "src/tools/rust-analyzer/crates/proc-macro-srv";
333 let mut cargo = tool::prepare_tool_cargo(
341 &["sysroot-abi".to_owned()],
344 let dir = builder.src.join(workspace_path);
345 // needed by rust-analyzer to find its own text fixtures, cf.
346 // https://github.com/rust-analyzer/expect-test/issues/33
347 cargo.env("CARGO_WORKSPACE_DIR", &dir);
349 // RA's test suite tries to write to the source directory, that can't
351 cargo.env("SKIP_SLOW_TESTS", "1");
353 cargo.add_rustc_lib_path(builder, compiler);
354 cargo.arg("--").args(builder.config.cmd.test_args());
356 builder.run(&mut cargo.into());
360 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
363 host: TargetSelection,
366 impl Step for Rustfmt {
368 const ONLY_HOSTS: bool = true;
370 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
371 run.path("src/tools/rustfmt")
374 fn make_run(run: RunConfig<'_>) {
375 run.builder.ensure(Rustfmt { stage: run.builder.top_stage, host: run.target });
378 /// Runs `cargo test` for rustfmt.
379 fn run(self, builder: &Builder<'_>) {
380 let stage = self.stage;
381 let host = self.host;
382 let compiler = builder.compiler(stage, host);
385 .ensure(tool::Rustfmt { compiler, target: self.host, extra_features: Vec::new() })
386 .expect("in-tree tool");
388 let mut cargo = tool::prepare_tool_cargo(
399 let dir = testdir(builder, compiler.host);
400 t!(fs::create_dir_all(&dir));
401 cargo.env("RUSTFMT_TEST_DIR", dir);
403 cargo.add_rustc_lib_path(builder, compiler);
405 builder.run(&mut cargo.into());
409 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
410 pub struct RustDemangler {
412 host: TargetSelection,
415 impl Step for RustDemangler {
417 const ONLY_HOSTS: bool = true;
419 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
420 run.path("src/tools/rust-demangler")
423 fn make_run(run: RunConfig<'_>) {
424 run.builder.ensure(RustDemangler { stage: run.builder.top_stage, host: run.target });
427 /// Runs `cargo test` for rust-demangler.
428 fn run(self, builder: &Builder<'_>) {
429 let stage = self.stage;
430 let host = self.host;
431 let compiler = builder.compiler(stage, host);
433 let rust_demangler = builder
434 .ensure(tool::RustDemangler { compiler, target: self.host, extra_features: Vec::new() })
435 .expect("in-tree tool");
436 let mut cargo = tool::prepare_tool_cargo(
442 "src/tools/rust-demangler",
447 let dir = testdir(builder, compiler.host);
448 t!(fs::create_dir_all(&dir));
450 cargo.env("RUST_DEMANGLER_DRIVER_PATH", rust_demangler);
452 cargo.arg("--").args(builder.config.cmd.test_args());
454 cargo.add_rustc_lib_path(builder, compiler);
456 builder.run(&mut cargo.into());
460 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
463 host: TargetSelection,
464 target: TargetSelection,
469 const ONLY_HOSTS: bool = false;
471 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
472 run.path("src/tools/miri")
475 fn make_run(run: RunConfig<'_>) {
476 run.builder.ensure(Miri {
477 stage: run.builder.top_stage,
478 host: run.build_triple(),
483 /// Runs `cargo test` for miri.
484 fn run(self, builder: &Builder<'_>) {
485 let stage = self.stage;
486 let host = self.host;
487 let target = self.target;
488 let compiler = builder.compiler(stage, host);
489 // We need the stdlib for the *next* stage, as it was built with this compiler that also built Miri.
490 // Except if we are at stage 2, the bootstrap loop is complete and we can stick with our current stage.
491 let compiler_std = builder.compiler(if stage < 2 { stage + 1 } else { stage }, host);
494 .ensure(tool::Miri { compiler, target: self.host, extra_features: Vec::new() })
495 .expect("in-tree tool");
496 let _cargo_miri = builder
497 .ensure(tool::CargoMiri { compiler, target: self.host, extra_features: Vec::new() })
498 .expect("in-tree tool");
499 // The stdlib we need might be at a different stage. And just asking for the
500 // sysroot does not seem to populate it, so we do that first.
501 builder.ensure(compile::Std::new(compiler_std, host));
502 let sysroot = builder.sysroot(compiler_std);
504 // # Run `cargo miri setup` for the given target.
505 let mut cargo = tool::prepare_tool_cargo(
511 "src/tools/miri/cargo-miri",
512 SourceType::Submodule,
515 cargo.add_rustc_lib_path(builder, compiler);
516 cargo.arg("--").arg("miri").arg("setup");
517 cargo.arg("--target").arg(target.rustc_target_arg());
519 // Tell `cargo miri setup` where to find the sources.
520 cargo.env("MIRI_LIB_SRC", builder.src.join("library"));
521 // Tell it where to find Miri.
522 cargo.env("MIRI", &miri);
524 cargo.env("RUST_BACKTRACE", "1");
526 let mut cargo = Command::from(cargo);
527 builder.run(&mut cargo);
529 // # Determine where Miri put its sysroot.
530 // To this end, we run `cargo miri setup --print-sysroot` and capture the output.
531 // (We do this separately from the above so that when the setup actually
532 // happens we get some output.)
533 // We re-use the `cargo` from above.
534 cargo.arg("--print-sysroot");
536 // FIXME: Is there a way in which we can re-use the usual `run` helpers?
537 let miri_sysroot = if builder.config.dry_run {
540 builder.verbose(&format!("running: {:?}", cargo));
542 cargo.output().expect("We already ran `cargo miri setup` before and that worked");
543 assert!(out.status.success(), "`cargo miri setup` returned with non-0 exit code");
544 // Output is "<sysroot>\n".
545 let stdout = String::from_utf8(out.stdout)
546 .expect("`cargo miri setup` stdout is not valid UTF-8");
547 let sysroot = stdout.trim_end();
548 builder.verbose(&format!("`cargo miri setup --print-sysroot` said: {:?}", sysroot));
552 // # Run `cargo test`.
553 let mut cargo = tool::prepare_tool_cargo(
560 SourceType::Submodule,
563 cargo.add_rustc_lib_path(builder, compiler);
565 // miri tests need to know about the stage sysroot
566 cargo.env("MIRI_SYSROOT", &miri_sysroot);
567 cargo.env("MIRI_HOST_SYSROOT", sysroot);
568 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
569 cargo.env("MIRI", &miri);
571 if builder.config.cmd.bless() {
572 cargo.env("MIRI_BLESS", "Gesundheit");
576 cargo.env("MIRI_TEST_TARGET", target.rustc_target_arg());
577 // Forward test filters.
578 cargo.arg("--").args(builder.config.cmd.test_args());
580 let mut cargo = Command::from(cargo);
581 builder.run(&mut cargo);
583 // # Run `cargo miri test`.
584 // This is just a smoke test (Miri's own CI invokes this in a bunch of different ways and ensures
585 // that we get the desired output), but that is sufficient to make sure that the libtest harness
586 // itself executes properly under Miri.
587 let mut cargo = tool::prepare_tool_cargo(
593 "src/tools/miri/cargo-miri",
594 SourceType::Submodule,
597 cargo.add_rustc_lib_path(builder, compiler);
598 cargo.arg("--").arg("miri").arg("test");
600 .arg("--manifest-path")
601 .arg(builder.src.join("src/tools/miri/test-cargo-miri/Cargo.toml"));
602 cargo.arg("--target").arg(target.rustc_target_arg());
603 cargo.arg("--tests"); // don't run doctests, they are too confused by the staging
604 cargo.arg("--").args(builder.config.cmd.test_args());
606 // Tell `cargo miri` where to find things.
607 cargo.env("MIRI_SYSROOT", &miri_sysroot);
608 cargo.env("MIRI_HOST_SYSROOT", sysroot);
609 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
610 cargo.env("MIRI", &miri);
612 cargo.env("RUST_BACKTRACE", "1");
614 let mut cargo = Command::from(cargo);
615 builder.run(&mut cargo);
619 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
620 pub struct CompiletestTest {
621 host: TargetSelection,
624 impl Step for CompiletestTest {
627 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
628 run.path("src/tools/compiletest")
631 fn make_run(run: RunConfig<'_>) {
632 run.builder.ensure(CompiletestTest { host: run.target });
635 /// Runs `cargo test` for compiletest.
636 fn run(self, builder: &Builder<'_>) {
637 let host = self.host;
638 let compiler = builder.compiler(0, host);
640 // We need `ToolStd` for the locally-built sysroot because
641 // compiletest uses unstable features of the `test` crate.
642 builder.ensure(compile::Std::new(compiler, host));
643 let cargo = tool::prepare_tool_cargo(
649 "src/tools/compiletest",
654 try_run(builder, &mut cargo.into());
658 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
661 host: TargetSelection,
664 impl Step for Clippy {
666 const ONLY_HOSTS: bool = true;
667 const DEFAULT: bool = false;
669 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
670 run.path("src/tools/clippy")
673 fn make_run(run: RunConfig<'_>) {
674 run.builder.ensure(Clippy { stage: run.builder.top_stage, host: run.target });
677 /// Runs `cargo test` for clippy.
678 fn run(self, builder: &Builder<'_>) {
679 let stage = self.stage;
680 let host = self.host;
681 let compiler = builder.compiler(stage, host);
684 .ensure(tool::Clippy { compiler, target: self.host, extra_features: Vec::new() })
685 .expect("in-tree tool");
686 let mut cargo = tool::prepare_tool_cargo(
697 cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
698 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
699 let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir());
700 cargo.env("HOST_LIBS", host_libs);
702 cargo.arg("--").args(builder.config.cmd.test_args());
704 cargo.add_rustc_lib_path(builder, compiler);
706 if builder.try_run(&mut cargo.into()) {
707 // The tests succeeded; nothing to do.
711 if !builder.config.cmd.bless() {
712 crate::detail_exit(1);
715 let mut cargo = builder.cargo(compiler, Mode::ToolRustc, SourceType::InTree, host, "run");
716 cargo.arg("-p").arg("clippy_dev");
717 // clippy_dev gets confused if it can't find `clippy/Cargo.toml`
718 cargo.current_dir(&builder.src.join("src").join("tools").join("clippy"));
719 if builder.config.rust_optimize {
720 cargo.env("PROFILE", "release");
722 cargo.env("PROFILE", "debug");
726 builder.run(&mut cargo.into());
730 fn path_for_cargo(builder: &Builder<'_>, compiler: Compiler) -> OsString {
731 // Configure PATH to find the right rustc. NB. we have to use PATH
732 // and not RUSTC because the Cargo test suite has tests that will
733 // fail if rustc is not spelled `rustc`.
734 let path = builder.sysroot(compiler).join("bin");
735 let old_path = env::var_os("PATH").unwrap_or_default();
736 env::join_paths(iter::once(path).chain(env::split_paths(&old_path))).expect("")
739 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
740 pub struct RustdocTheme {
741 pub compiler: Compiler,
744 impl Step for RustdocTheme {
746 const DEFAULT: bool = true;
747 const ONLY_HOSTS: bool = true;
749 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
750 run.path("src/tools/rustdoc-themes")
753 fn make_run(run: RunConfig<'_>) {
754 let compiler = run.builder.compiler(run.builder.top_stage, run.target);
756 run.builder.ensure(RustdocTheme { compiler });
759 fn run(self, builder: &Builder<'_>) {
760 let rustdoc = builder.bootstrap_out.join("rustdoc");
761 let mut cmd = builder.tool_cmd(Tool::RustdocTheme);
762 cmd.arg(rustdoc.to_str().unwrap())
763 .arg(builder.src.join("src/librustdoc/html/static/css/themes").to_str().unwrap())
764 .env("RUSTC_STAGE", self.compiler.stage.to_string())
765 .env("RUSTC_SYSROOT", builder.sysroot(self.compiler))
766 .env("RUSTDOC_LIBDIR", builder.sysroot_libdir(self.compiler, self.compiler.host))
767 .env("CFG_RELEASE_CHANNEL", &builder.config.channel)
768 .env("RUSTDOC_REAL", builder.rustdoc(self.compiler))
769 .env("RUSTC_BOOTSTRAP", "1");
770 if let Some(linker) = builder.linker(self.compiler.host) {
771 cmd.env("RUSTDOC_LINKER", linker);
773 if builder.is_fuse_ld_lld(self.compiler.host) {
774 cmd.env("RUSTDOC_FUSE_LD_LLD", "1");
776 try_run(builder, &mut cmd);
780 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
781 pub struct RustdocJSStd {
782 pub target: TargetSelection,
785 impl Step for RustdocJSStd {
787 const DEFAULT: bool = true;
788 const ONLY_HOSTS: bool = true;
790 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
791 run.suite_path("src/test/rustdoc-js-std")
794 fn make_run(run: RunConfig<'_>) {
795 run.builder.ensure(RustdocJSStd { target: run.target });
798 fn run(self, builder: &Builder<'_>) {
799 if let Some(ref nodejs) = builder.config.nodejs {
800 let mut command = Command::new(nodejs);
802 .arg(builder.src.join("src/tools/rustdoc-js/tester.js"))
805 .arg("--resource-suffix")
806 .arg(&builder.version)
808 .arg(builder.doc_out(self.target))
809 .arg("--test-folder")
810 .arg(builder.src.join("src/test/rustdoc-js-std"));
811 for path in &builder.paths {
813 util::is_valid_test_suite_arg(path, "src/test/rustdoc-js-std", builder)
815 if !p.ends_with(".js") {
816 eprintln!("A non-js file was given: `{}`", path.display());
817 panic!("Cannot run rustdoc-js-std tests");
819 command.arg("--test-file").arg(path);
822 builder.ensure(crate::doc::Std { target: self.target, stage: builder.top_stage });
823 builder.run(&mut command);
825 builder.info("No nodejs found, skipping \"src/test/rustdoc-js-std\" tests");
830 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
831 pub struct RustdocJSNotStd {
832 pub target: TargetSelection,
833 pub compiler: Compiler,
836 impl Step for RustdocJSNotStd {
838 const DEFAULT: bool = true;
839 const ONLY_HOSTS: bool = true;
841 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
842 run.suite_path("src/test/rustdoc-js")
845 fn make_run(run: RunConfig<'_>) {
846 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
847 run.builder.ensure(RustdocJSNotStd { target: run.target, compiler });
850 fn run(self, builder: &Builder<'_>) {
851 if builder.config.nodejs.is_some() {
852 builder.ensure(Compiletest {
853 compiler: self.compiler,
857 path: "src/test/rustdoc-js",
861 builder.info("No nodejs found, skipping \"src/test/rustdoc-js\" tests");
866 fn get_browser_ui_test_version_inner(npm: &Path, global: bool) -> Option<String> {
867 let mut command = Command::new(&npm);
868 command.arg("list").arg("--parseable").arg("--long").arg("--depth=0");
870 command.arg("--global");
874 .map(|output| String::from_utf8_lossy(&output.stdout).into_owned())
875 .unwrap_or(String::new());
878 .find_map(|l| l.split(':').nth(1)?.strip_prefix("browser-ui-test@"))
879 .map(|v| v.to_owned())
882 fn get_browser_ui_test_version(npm: &Path) -> Option<String> {
883 get_browser_ui_test_version_inner(npm, false)
884 .or_else(|| get_browser_ui_test_version_inner(npm, true))
887 fn compare_browser_ui_test_version(installed_version: &str, src: &Path) {
888 match fs::read_to_string(
889 src.join("src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version"),
892 if v.trim() != installed_version {
894 "⚠️ Installed version of browser-ui-test (`{}`) is different than the \
895 one used in the CI (`{}`)",
899 "You can install this version using `npm update browser-ui-test` or by using \
900 `npm install browser-ui-test@{}`",
905 Err(e) => eprintln!("Couldn't find the CI browser-ui-test version: {:?}", e),
909 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
910 pub struct RustdocGUI {
911 pub target: TargetSelection,
912 pub compiler: Compiler,
915 impl Step for RustdocGUI {
917 const DEFAULT: bool = true;
918 const ONLY_HOSTS: bool = true;
920 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
921 let builder = run.builder;
922 let run = run.suite_path("src/test/rustdoc-gui");
923 run.lazy_default_condition(Box::new(move || {
924 builder.config.nodejs.is_some()
929 .map(|p| get_browser_ui_test_version(p).is_some())
934 fn make_run(run: RunConfig<'_>) {
935 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
936 run.builder.ensure(RustdocGUI { target: run.target, compiler });
939 fn run(self, builder: &Builder<'_>) {
940 let nodejs = builder.config.nodejs.as_ref().expect("nodejs isn't available");
941 let npm = builder.config.npm.as_ref().expect("npm isn't available");
943 builder.ensure(compile::Std::new(self.compiler, self.target));
945 // The goal here is to check if the necessary packages are installed, and if not, we
947 match get_browser_ui_test_version(&npm) {
949 // We also check the version currently used in CI and emit a warning if it's not the
951 compare_browser_ui_test_version(&version, &builder.build.src);
955 "error: rustdoc-gui test suite cannot be run because npm `browser-ui-test` \
956 dependency is missing",
959 "If you want to install the `{0}` dependency, run `npm install {0}`",
962 panic!("Cannot run rustdoc-gui tests");
966 let out_dir = builder.test_out(self.target).join("rustdoc-gui");
968 // We remove existing folder to be sure there won't be artifacts remaining.
969 builder.clear_if_dirty(&out_dir, &builder.rustdoc(self.compiler));
971 let src_path = builder.build.src.join("src/test/rustdoc-gui/src");
972 // We generate docs for the libraries present in the rustdoc-gui's src folder.
973 for entry in src_path.read_dir().expect("read_dir call failed") {
974 if let Ok(entry) = entry {
975 let path = entry.path();
981 let mut cargo = Command::new(&builder.initial_cargo);
986 .env("RUSTDOC", builder.rustdoc(self.compiler))
987 .env("RUSTC", builder.rustc(self.compiler))
989 // FIXME: implement a `// compile-flags` command or similar
990 // instead of hard-coding this test
991 if entry.file_name() == "link_to_definition" {
992 cargo.env("RUSTDOCFLAGS", "-Zunstable-options --generate-link-to-definition");
994 builder.run(&mut cargo);
998 // We now run GUI tests.
999 let mut command = Command::new(&nodejs);
1001 .arg(builder.build.src.join("src/tools/rustdoc-gui/tester.js"))
1003 .arg(&builder.jobs().to_string())
1004 .arg("--doc-folder")
1005 .arg(out_dir.join("doc"))
1006 .arg("--tests-folder")
1007 .arg(builder.build.src.join("src/test/rustdoc-gui"));
1008 for path in &builder.paths {
1009 if let Some(p) = util::is_valid_test_suite_arg(path, "src/test/rustdoc-gui", builder) {
1010 if !p.ends_with(".goml") {
1011 eprintln!("A non-goml file was given: `{}`", path.display());
1012 panic!("Cannot run rustdoc-gui tests");
1014 if let Some(name) = path.file_name().and_then(|f| f.to_str()) {
1015 command.arg("--file").arg(name);
1019 for test_arg in builder.config.cmd.test_args() {
1020 command.arg(test_arg);
1022 builder.run(&mut command);
1026 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1029 impl Step for Tidy {
1031 const DEFAULT: bool = true;
1032 const ONLY_HOSTS: bool = true;
1034 /// Runs the `tidy` tool.
1036 /// This tool in `src/tools` checks up on various bits and pieces of style and
1037 /// otherwise just implements a few lint-like checks that are specific to the
1038 /// compiler itself.
1040 /// Once tidy passes, this step also runs `fmt --check` if tests are being run
1041 /// for the `dev` or `nightly` channels.
1042 fn run(self, builder: &Builder<'_>) {
1043 let mut cmd = builder.tool_cmd(Tool::Tidy);
1044 cmd.arg(&builder.src);
1045 cmd.arg(&builder.initial_cargo);
1046 cmd.arg(&builder.out);
1047 cmd.arg(builder.jobs().to_string());
1048 if builder.is_verbose() {
1049 cmd.arg("--verbose");
1052 builder.info("tidy check");
1053 try_run(builder, &mut cmd);
1055 if builder.config.channel == "dev" || builder.config.channel == "nightly" {
1056 builder.info("fmt check");
1057 if builder.initial_rustfmt().is_none() {
1058 let inferred_rustfmt_dir = builder.config.initial_rustc.parent().unwrap();
1061 error: no `rustfmt` binary found in {PATH}
1062 info: `rust.channel` is currently set to \"{CHAN}\"
1063 help: if you are testing a beta branch, set `rust.channel` to \"beta\" in the `config.toml` file
1064 help: to skip test's attempt to check tidiness, pass `--exclude src/tools/tidy` to `x.py test`",
1065 PATH = inferred_rustfmt_dir.display(),
1066 CHAN = builder.config.channel,
1068 crate::detail_exit(1);
1070 crate::format::format(&builder, !builder.config.cmd.bless(), &[]);
1074 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1075 run.path("src/tools/tidy")
1078 fn make_run(run: RunConfig<'_>) {
1079 run.builder.ensure(Tidy);
1083 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1084 pub struct ExpandYamlAnchors;
1086 impl Step for ExpandYamlAnchors {
1088 const ONLY_HOSTS: bool = true;
1090 /// Ensure the `generate-ci-config` tool was run locally.
1092 /// The tool in `src/tools` reads the CI definition in `src/ci/builders.yml` and generates the
1093 /// appropriate configuration for all our CI providers. This step ensures the tool was called
1094 /// by the user before committing CI changes.
1095 fn run(self, builder: &Builder<'_>) {
1096 builder.info("Ensuring the YAML anchors in the GitHub Actions config were expanded");
1099 &mut builder.tool_cmd(Tool::ExpandYamlAnchors).arg("check").arg(&builder.src),
1103 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1104 run.path("src/tools/expand-yaml-anchors")
1107 fn make_run(run: RunConfig<'_>) {
1108 run.builder.ensure(ExpandYamlAnchors);
1112 fn testdir(builder: &Builder<'_>, host: TargetSelection) -> PathBuf {
1113 builder.out.join(host.triple).join("test")
1116 macro_rules! default_test {
1117 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
1118 test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: false });
1122 macro_rules! default_test_with_compare_mode {
1123 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr,
1124 compare_mode: $compare_mode:expr }) => {
1125 test_with_compare_mode!($name {
1131 compare_mode: $compare_mode
1136 macro_rules! host_test {
1137 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
1138 test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: true });
1143 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
1144 host: $host:expr }) => {
1145 test_definitions!($name {
1156 macro_rules! test_with_compare_mode {
1157 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
1158 host: $host:expr, compare_mode: $compare_mode:expr }) => {
1159 test_definitions!($name {
1165 compare_mode: Some($compare_mode)
1170 macro_rules! test_definitions {
1175 default: $default:expr,
1177 compare_mode: $compare_mode:expr
1179 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1181 pub compiler: Compiler,
1182 pub target: TargetSelection,
1185 impl Step for $name {
1187 const DEFAULT: bool = $default;
1188 const ONLY_HOSTS: bool = $host;
1190 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1191 run.suite_path($path)
1194 fn make_run(run: RunConfig<'_>) {
1195 let compiler = run.builder.compiler(run.builder.top_stage, run.build_triple());
1197 run.builder.ensure($name { compiler, target: run.target });
1200 fn run(self, builder: &Builder<'_>) {
1201 builder.ensure(Compiletest {
1202 compiler: self.compiler,
1203 target: self.target,
1207 compare_mode: $compare_mode,
1214 default_test!(Ui { path: "src/test/ui", mode: "ui", suite: "ui" });
1216 default_test!(RunPassValgrind {
1217 path: "src/test/run-pass-valgrind",
1218 mode: "run-pass-valgrind",
1219 suite: "run-pass-valgrind"
1222 default_test!(MirOpt { path: "src/test/mir-opt", mode: "mir-opt", suite: "mir-opt" });
1224 default_test!(Codegen { path: "src/test/codegen", mode: "codegen", suite: "codegen" });
1226 default_test!(CodegenUnits {
1227 path: "src/test/codegen-units",
1228 mode: "codegen-units",
1229 suite: "codegen-units"
1232 default_test!(Incremental {
1233 path: "src/test/incremental",
1234 mode: "incremental",
1235 suite: "incremental"
1238 default_test_with_compare_mode!(Debuginfo {
1239 path: "src/test/debuginfo",
1242 compare_mode: "split-dwarf"
1245 host_test!(UiFullDeps { path: "src/test/ui-fulldeps", mode: "ui", suite: "ui-fulldeps" });
1247 host_test!(Rustdoc { path: "src/test/rustdoc", mode: "rustdoc", suite: "rustdoc" });
1248 host_test!(RustdocUi { path: "src/test/rustdoc-ui", mode: "ui", suite: "rustdoc-ui" });
1250 host_test!(RustdocJson {
1251 path: "src/test/rustdoc-json",
1252 mode: "rustdoc-json",
1253 suite: "rustdoc-json"
1256 host_test!(Pretty { path: "src/test/pretty", mode: "pretty", suite: "pretty" });
1258 default_test!(RunMake { path: "src/test/run-make", mode: "run-make", suite: "run-make" });
1260 host_test!(RunMakeFullDeps {
1261 path: "src/test/run-make-fulldeps",
1263 suite: "run-make-fulldeps"
1266 default_test!(Assembly { path: "src/test/assembly", mode: "assembly", suite: "assembly" });
1268 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1269 struct Compiletest {
1271 target: TargetSelection,
1273 suite: &'static str,
1275 compare_mode: Option<&'static str>,
1278 impl Step for Compiletest {
1281 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1285 /// Executes the `compiletest` tool to run a suite of tests.
1287 /// Compiles all tests with `compiler` for `target` with the specified
1288 /// compiletest `mode` and `suite` arguments. For example `mode` can be
1289 /// "run-pass" or `suite` can be something like `debuginfo`.
1290 fn run(self, builder: &Builder<'_>) {
1291 if builder.top_stage == 0 && env::var("COMPILETEST_FORCE_STAGE0").is_err() {
1293 error: `--stage 0` runs compiletest on the beta compiler, not your local changes, and will almost always cause tests to fail
1294 help: to test the compiler, use `--stage 1` instead
1295 help: to test the standard library, use `--stage 0 library/std` instead
1296 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`."
1298 crate::detail_exit(1);
1301 let compiler = self.compiler;
1302 let target = self.target;
1303 let mode = self.mode;
1304 let suite = self.suite;
1306 // Path for test suite
1307 let suite_path = self.path;
1309 // Skip codegen tests if they aren't enabled in configuration.
1310 if !builder.config.codegen_tests && suite == "codegen" {
1314 if suite == "debuginfo" {
1316 .ensure(dist::DebuggerScripts { sysroot: builder.sysroot(compiler), host: target });
1319 if suite.ends_with("fulldeps") {
1320 builder.ensure(compile::Rustc::new(compiler, target));
1323 builder.ensure(compile::Std::new(compiler, target));
1324 // ensure that `libproc_macro` is available on the host.
1325 builder.ensure(compile::Std::new(compiler, compiler.host));
1327 // Also provide `rust_test_helpers` for the host.
1328 builder.ensure(native::TestHelpers { target: compiler.host });
1330 // As well as the target, except for plain wasm32, which can't build it
1331 if !target.contains("wasm") || target.contains("emscripten") {
1332 builder.ensure(native::TestHelpers { target });
1335 builder.ensure(RemoteCopyLibs { compiler, target });
1337 let mut cmd = builder.tool_cmd(Tool::Compiletest);
1339 // compiletest currently has... a lot of arguments, so let's just pass all
1342 cmd.arg("--compile-lib-path").arg(builder.rustc_libdir(compiler));
1343 cmd.arg("--run-lib-path").arg(builder.sysroot_libdir(compiler, target));
1344 cmd.arg("--rustc-path").arg(builder.rustc(compiler));
1346 let is_rustdoc = suite.ends_with("rustdoc-ui") || suite.ends_with("rustdoc-js");
1348 // Avoid depending on rustdoc when we don't need it.
1349 if mode == "rustdoc"
1350 || mode == "run-make"
1351 || (mode == "ui" && is_rustdoc)
1352 || mode == "js-doc-test"
1353 || mode == "rustdoc-json"
1355 cmd.arg("--rustdoc-path").arg(builder.rustdoc(compiler));
1358 if mode == "rustdoc-json" {
1359 // Use the beta compiler for jsondocck
1360 let json_compiler = compiler.with_stage(0);
1361 cmd.arg("--jsondocck-path")
1362 .arg(builder.ensure(tool::JsonDocCk { compiler: json_compiler, target }));
1363 cmd.arg("--jsondoclint-path")
1364 .arg(builder.ensure(tool::JsonDocLint { compiler: json_compiler, target }));
1367 if mode == "run-make" {
1368 let rust_demangler = builder
1369 .ensure(tool::RustDemangler {
1371 target: compiler.host,
1372 extra_features: Vec::new(),
1374 .expect("in-tree tool");
1375 cmd.arg("--rust-demangler-path").arg(rust_demangler);
1378 cmd.arg("--src-base").arg(builder.src.join("src/test").join(suite));
1379 cmd.arg("--build-base").arg(testdir(builder, compiler.host).join(suite));
1380 cmd.arg("--stage-id").arg(format!("stage{}-{}", compiler.stage, target));
1381 cmd.arg("--suite").arg(suite);
1382 cmd.arg("--mode").arg(mode);
1383 cmd.arg("--target").arg(target.rustc_target_arg());
1384 cmd.arg("--host").arg(&*compiler.host.triple);
1385 cmd.arg("--llvm-filecheck").arg(builder.llvm_filecheck(builder.config.build));
1387 if builder.config.cmd.bless() {
1391 if builder.config.cmd.force_rerun() {
1392 cmd.arg("--force-rerun");
1396 builder.config.cmd.compare_mode().or_else(|| {
1397 if builder.config.test_compare_mode { self.compare_mode } else { None }
1400 if let Some(ref pass) = builder.config.cmd.pass() {
1405 if let Some(ref run) = builder.config.cmd.run() {
1410 if let Some(ref nodejs) = builder.config.nodejs {
1411 cmd.arg("--nodejs").arg(nodejs);
1413 if let Some(ref npm) = builder.config.npm {
1414 cmd.arg("--npm").arg(npm);
1416 if builder.config.rust_optimize_tests {
1417 cmd.arg("--optimize-tests");
1419 let mut flags = if is_rustdoc { Vec::new() } else { vec!["-Crpath".to_string()] };
1420 flags.push(format!("-Cdebuginfo={}", builder.config.rust_debuginfo_level_tests));
1421 flags.extend(builder.config.cmd.rustc_args().iter().map(|s| s.to_string()));
1423 if let Some(linker) = builder.linker(target) {
1424 cmd.arg("--linker").arg(linker);
1427 let mut hostflags = flags.clone();
1428 hostflags.push(format!("-Lnative={}", builder.test_helpers_out(compiler.host).display()));
1429 hostflags.extend(builder.lld_flags(compiler.host));
1430 for flag in hostflags {
1431 cmd.arg("--host-rustcflags").arg(flag);
1434 let mut targetflags = flags;
1435 targetflags.push(format!("-Lnative={}", builder.test_helpers_out(target).display()));
1436 targetflags.extend(builder.lld_flags(target));
1437 for flag in targetflags {
1438 cmd.arg("--target-rustcflags").arg(flag);
1441 cmd.arg("--python").arg(builder.python());
1443 if let Some(ref gdb) = builder.config.gdb {
1444 cmd.arg("--gdb").arg(gdb);
1447 let run = |cmd: &mut Command| {
1448 cmd.output().map(|output| {
1449 String::from_utf8_lossy(&output.stdout)
1452 .unwrap_or_else(|| panic!("{:?} failed {:?}", cmd, output))
1456 let lldb_exe = "lldb";
1457 let lldb_version = Command::new(lldb_exe)
1460 .map(|output| String::from_utf8_lossy(&output.stdout).to_string())
1462 if let Some(ref vers) = lldb_version {
1463 cmd.arg("--lldb-version").arg(vers);
1464 let lldb_python_dir = run(Command::new(lldb_exe).arg("-P")).ok();
1465 if let Some(ref dir) = lldb_python_dir {
1466 cmd.arg("--lldb-python-dir").arg(dir);
1470 if util::forcing_clang_based_tests() {
1471 let clang_exe = builder.llvm_out(target).join("bin").join("clang");
1472 cmd.arg("--run-clang-based-tests-with").arg(clang_exe);
1475 for exclude in &builder.config.exclude {
1477 cmd.arg(&exclude.path);
1480 // Get paths from cmd args
1481 let paths = match &builder.config.cmd {
1482 Subcommand::Test { ref paths, .. } => &paths[..],
1486 // Get test-args by striping suite path
1487 let mut test_args: Vec<&str> = paths
1489 .filter_map(|p| util::is_valid_test_suite_arg(p, suite_path, builder))
1492 test_args.append(&mut builder.config.cmd.test_args());
1494 // On Windows, replace forward slashes in test-args by backslashes
1495 // so the correct filters are passed to libtest
1497 let test_args_win: Vec<String> =
1498 test_args.iter().map(|s| s.replace("/", "\\")).collect();
1499 cmd.args(&test_args_win);
1501 cmd.args(&test_args);
1504 if builder.is_verbose() {
1505 cmd.arg("--verbose");
1508 if !builder.config.verbose_tests {
1512 let mut llvm_components_passed = false;
1513 let mut copts_passed = false;
1514 if builder.config.llvm_enabled() {
1515 let llvm_config = builder.ensure(native::Llvm { target: builder.config.build });
1516 if !builder.config.dry_run {
1517 let llvm_version = output(Command::new(&llvm_config).arg("--version"));
1518 let llvm_components = output(Command::new(&llvm_config).arg("--components"));
1519 // Remove trailing newline from llvm-config output.
1520 cmd.arg("--llvm-version")
1521 .arg(llvm_version.trim())
1522 .arg("--llvm-components")
1523 .arg(llvm_components.trim());
1524 llvm_components_passed = true;
1526 if !builder.is_rust_llvm(target) {
1527 cmd.arg("--system-llvm");
1530 // Tests that use compiler libraries may inherit the `-lLLVM` link
1531 // requirement, but the `-L` library path is not propagated across
1532 // separate compilations. We can add LLVM's library path to the
1533 // platform-specific environment variable as a workaround.
1534 if !builder.config.dry_run && suite.ends_with("fulldeps") {
1535 let llvm_libdir = output(Command::new(&llvm_config).arg("--libdir"));
1536 add_link_lib_path(vec![llvm_libdir.trim().into()], &mut cmd);
1539 // Only pass correct values for these flags for the `run-make` suite as it
1540 // requires that a C++ compiler was configured which isn't always the case.
1541 if !builder.config.dry_run && matches!(suite, "run-make" | "run-make-fulldeps") {
1542 // The llvm/bin directory contains many useful cross-platform
1543 // tools. Pass the path to run-make tests so they can use them.
1544 let llvm_bin_path = llvm_config
1546 .expect("Expected llvm-config to be contained in directory");
1547 assert!(llvm_bin_path.is_dir());
1548 cmd.arg("--llvm-bin-dir").arg(llvm_bin_path);
1550 // If LLD is available, add it to the PATH
1551 if builder.config.lld_enabled {
1552 let lld_install_root =
1553 builder.ensure(native::Lld { target: builder.config.build });
1555 let lld_bin_path = lld_install_root.join("bin");
1557 let old_path = env::var_os("PATH").unwrap_or_default();
1558 let new_path = env::join_paths(
1559 std::iter::once(lld_bin_path).chain(env::split_paths(&old_path)),
1561 .expect("Could not add LLD bin path to PATH");
1562 cmd.env("PATH", new_path);
1567 // Only pass correct values for these flags for the `run-make` suite as it
1568 // requires that a C++ compiler was configured which isn't always the case.
1569 if !builder.config.dry_run && matches!(suite, "run-make" | "run-make-fulldeps") {
1571 .arg(builder.cc(target))
1573 .arg(builder.cxx(target).unwrap())
1575 .arg(builder.cflags(target, GitRepo::Rustc, CLang::C).join(" "))
1577 .arg(builder.cflags(target, GitRepo::Rustc, CLang::Cxx).join(" "));
1578 copts_passed = true;
1579 if let Some(ar) = builder.ar(target) {
1580 cmd.arg("--ar").arg(ar);
1584 if !llvm_components_passed {
1585 cmd.arg("--llvm-components").arg("");
1598 if builder.remote_tested(target) {
1599 cmd.arg("--remote-test-client").arg(builder.tool_exe(Tool::RemoteTestClient));
1602 // Running a C compiler on MSVC requires a few env vars to be set, to be
1603 // sure to set them here.
1605 // Note that if we encounter `PATH` we make sure to append to our own `PATH`
1606 // rather than stomp over it.
1607 if target.contains("msvc") {
1608 for &(ref k, ref v) in builder.cc[&target].env() {
1614 cmd.env("RUSTC_BOOTSTRAP", "1");
1615 // Override the rustc version used in symbol hashes to reduce the amount of normalization
1616 // needed when diffing test output.
1617 cmd.env("RUSTC_FORCE_RUSTC_VERSION", "compiletest");
1618 cmd.env("DOC_RUST_LANG_ORG_CHANNEL", builder.doc_rust_lang_org_channel());
1619 builder.add_rust_test_threads(&mut cmd);
1621 if builder.config.sanitizers_enabled(target) {
1622 cmd.env("RUSTC_SANITIZER_SUPPORT", "1");
1625 if builder.config.profiler_enabled(target) {
1626 cmd.env("RUSTC_PROFILER_SUPPORT", "1");
1629 cmd.env("RUST_TEST_TMPDIR", builder.tempdir());
1631 cmd.arg("--adb-path").arg("adb");
1632 cmd.arg("--adb-test-dir").arg(ADB_TEST_DIR);
1633 if target.contains("android") {
1634 // Assume that cc for this target comes from the android sysroot
1635 cmd.arg("--android-cross-path")
1636 .arg(builder.cc(target).parent().unwrap().parent().unwrap());
1638 cmd.arg("--android-cross-path").arg("");
1641 if builder.config.cmd.rustfix_coverage() {
1642 cmd.arg("--rustfix-coverage");
1645 cmd.env("BOOTSTRAP_CARGO", &builder.initial_cargo);
1647 cmd.arg("--channel").arg(&builder.config.channel);
1649 builder.ci_env.force_coloring_in_ci(&mut cmd);
1651 builder.info(&format!(
1652 "Check compiletest suite={} mode={} ({} -> {})",
1653 suite, mode, &compiler.host, target
1655 let _time = util::timeit(&builder);
1656 try_run(builder, &mut cmd);
1658 if let Some(compare_mode) = compare_mode {
1659 cmd.arg("--compare-mode").arg(compare_mode);
1660 builder.info(&format!(
1661 "Check compiletest suite={} mode={} compare_mode={} ({} -> {})",
1662 suite, mode, compare_mode, &compiler.host, target
1664 let _time = util::timeit(&builder);
1665 try_run(builder, &mut cmd);
1670 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
1678 impl Step for BookTest {
1680 const ONLY_HOSTS: bool = true;
1682 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1686 /// Runs the documentation tests for a book in `src/doc`.
1688 /// This uses the `rustdoc` that sits next to `compiler`.
1689 fn run(self, builder: &Builder<'_>) {
1690 // External docs are different from local because:
1691 // - Some books need pre-processing by mdbook before being tested.
1692 // - They need to save their state to toolstate.
1693 // - They are only tested on the "checktools" builders.
1695 // The local docs are tested by default, and we don't want to pay the
1696 // cost of building mdbook, so they use `rustdoc --test` directly.
1697 // Also, the unstable book is special because SUMMARY.md is generated,
1698 // so it is easier to just run `rustdoc` on its files.
1699 if self.is_ext_doc {
1700 self.run_ext_doc(builder);
1702 self.run_local_doc(builder);
1708 /// This runs the equivalent of `mdbook test` (via the rustbook wrapper)
1709 /// which in turn runs `rustdoc --test` on each file in the book.
1710 fn run_ext_doc(self, builder: &Builder<'_>) {
1711 let compiler = self.compiler;
1713 builder.ensure(compile::Std::new(compiler, compiler.host));
1715 // mdbook just executes a binary named "rustdoc", so we need to update
1716 // PATH so that it points to our rustdoc.
1717 let mut rustdoc_path = builder.rustdoc(compiler);
1719 let old_path = env::var_os("PATH").unwrap_or_default();
1720 let new_path = env::join_paths(iter::once(rustdoc_path).chain(env::split_paths(&old_path)))
1721 .expect("could not add rustdoc to PATH");
1723 let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
1724 let path = builder.src.join(&self.path);
1725 rustbook_cmd.env("PATH", new_path).arg("test").arg(path);
1726 builder.add_rust_test_threads(&mut rustbook_cmd);
1727 builder.info(&format!("Testing rustbook {}", self.path.display()));
1728 let _time = util::timeit(&builder);
1729 let toolstate = if try_run(builder, &mut rustbook_cmd) {
1734 builder.save_toolstate(self.name, toolstate);
1737 /// This runs `rustdoc --test` on all `.md` files in the path.
1738 fn run_local_doc(self, builder: &Builder<'_>) {
1739 let compiler = self.compiler;
1741 builder.ensure(compile::Std::new(compiler, compiler.host));
1743 // Do a breadth-first traversal of the `src/doc` directory and just run
1744 // tests for all files that end in `*.md`
1745 let mut stack = vec![builder.src.join(self.path)];
1746 let _time = util::timeit(&builder);
1747 let mut files = Vec::new();
1748 while let Some(p) = stack.pop() {
1750 stack.extend(t!(p.read_dir()).map(|p| t!(p).path()));
1754 if p.extension().and_then(|s| s.to_str()) != Some("md") {
1764 markdown_test(builder, compiler, &file);
1769 macro_rules! test_book {
1770 ($($name:ident, $path:expr, $book_name:expr, default=$default:expr;)+) => {
1772 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1777 impl Step for $name {
1779 const DEFAULT: bool = $default;
1780 const ONLY_HOSTS: bool = true;
1782 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1786 fn make_run(run: RunConfig<'_>) {
1787 run.builder.ensure($name {
1788 compiler: run.builder.compiler(run.builder.top_stage, run.target),
1792 fn run(self, builder: &Builder<'_>) {
1793 builder.ensure(BookTest {
1794 compiler: self.compiler,
1795 path: PathBuf::from($path),
1797 is_ext_doc: !$default,
1806 Nomicon, "src/doc/nomicon", "nomicon", default=false;
1807 Reference, "src/doc/reference", "reference", default=false;
1808 RustdocBook, "src/doc/rustdoc", "rustdoc", default=true;
1809 RustcBook, "src/doc/rustc", "rustc", default=true;
1810 RustByExample, "src/doc/rust-by-example", "rust-by-example", default=false;
1811 EmbeddedBook, "src/doc/embedded-book", "embedded-book", default=false;
1812 TheBook, "src/doc/book", "book", default=false;
1813 UnstableBook, "src/doc/unstable-book", "unstable-book", default=true;
1814 EditionGuide, "src/doc/edition-guide", "edition-guide", default=false;
1817 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1818 pub struct ErrorIndex {
1822 impl Step for ErrorIndex {
1824 const DEFAULT: bool = true;
1825 const ONLY_HOSTS: bool = true;
1827 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1828 run.path("src/tools/error_index_generator")
1831 fn make_run(run: RunConfig<'_>) {
1832 // error_index_generator depends on librustdoc. Use the compiler that
1833 // is normally used to build rustdoc for other tests (like compiletest
1834 // tests in src/test/rustdoc) so that it shares the same artifacts.
1835 let compiler = run.builder.compiler(run.builder.top_stage, run.builder.config.build);
1836 run.builder.ensure(ErrorIndex { compiler });
1839 /// Runs the error index generator tool to execute the tests located in the error
1842 /// The `error_index_generator` tool lives in `src/tools` and is used to
1843 /// generate a markdown file from the error indexes of the code base which is
1844 /// then passed to `rustdoc --test`.
1845 fn run(self, builder: &Builder<'_>) {
1846 let compiler = self.compiler;
1848 let dir = testdir(builder, compiler.host);
1849 t!(fs::create_dir_all(&dir));
1850 let output = dir.join("error-index.md");
1852 let mut tool = tool::ErrorIndex::command(builder);
1853 tool.arg("markdown").arg(&output);
1855 builder.info(&format!("Testing error-index stage{}", compiler.stage));
1856 let _time = util::timeit(&builder);
1857 builder.run_quiet(&mut tool);
1858 // The tests themselves need to link to std, so make sure it is
1860 builder.ensure(compile::Std::new(compiler, compiler.host));
1861 markdown_test(builder, compiler, &output);
1865 fn markdown_test(builder: &Builder<'_>, compiler: Compiler, markdown: &Path) -> bool {
1866 if let Ok(contents) = fs::read_to_string(markdown) {
1867 if !contents.contains("```") {
1872 builder.info(&format!("doc tests for: {}", markdown.display()));
1873 let mut cmd = builder.rustdoc_cmd(compiler);
1874 builder.add_rust_test_threads(&mut cmd);
1875 // allow for unstable options such as new editions
1877 cmd.arg("unstable-options");
1880 cmd.env("RUSTC_BOOTSTRAP", "1");
1882 let test_args = builder.config.cmd.test_args().join(" ");
1883 cmd.arg("--test-args").arg(test_args);
1885 if builder.config.verbose_tests {
1886 try_run(builder, &mut cmd)
1888 try_run_quiet(builder, &mut cmd)
1892 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1893 pub struct RustcGuide;
1895 impl Step for RustcGuide {
1897 const DEFAULT: bool = false;
1898 const ONLY_HOSTS: bool = true;
1900 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1901 run.path("src/doc/rustc-dev-guide")
1904 fn make_run(run: RunConfig<'_>) {
1905 run.builder.ensure(RustcGuide);
1908 fn run(self, builder: &Builder<'_>) {
1909 let relative_path = Path::new("src").join("doc").join("rustc-dev-guide");
1910 builder.update_submodule(&relative_path);
1912 let src = builder.src.join(relative_path);
1913 let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
1914 let toolstate = if try_run(builder, rustbook_cmd.arg("linkcheck").arg(&src)) {
1919 builder.save_toolstate("rustc-dev-guide", toolstate);
1923 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
1924 pub struct CrateLibrustc {
1926 target: TargetSelection,
1927 test_kind: TestKind,
1928 crates: Vec<Interned<String>>,
1931 impl Step for CrateLibrustc {
1933 const DEFAULT: bool = true;
1934 const ONLY_HOSTS: bool = true;
1936 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1937 run.crate_or_deps("rustc-main")
1940 fn make_run(run: RunConfig<'_>) {
1941 let builder = run.builder;
1942 let host = run.build_triple();
1943 let compiler = builder.compiler_for(builder.top_stage, host, host);
1947 .map(|p| builder.crate_paths[&p.assert_single_path().path].clone())
1949 let test_kind = builder.kind.into();
1951 builder.ensure(CrateLibrustc { compiler, target: run.target, test_kind, crates });
1954 fn run(self, builder: &Builder<'_>) {
1955 builder.ensure(Crate {
1956 compiler: self.compiler,
1957 target: self.target,
1959 test_kind: self.test_kind,
1960 crates: self.crates,
1965 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
1967 pub compiler: Compiler,
1968 pub target: TargetSelection,
1970 pub test_kind: TestKind,
1971 pub crates: Vec<Interned<String>>,
1974 impl Step for Crate {
1976 const DEFAULT: bool = true;
1978 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1979 run.crate_or_deps("test")
1982 fn make_run(run: RunConfig<'_>) {
1983 let builder = run.builder;
1984 let host = run.build_triple();
1985 let compiler = builder.compiler_for(builder.top_stage, host, host);
1986 let test_kind = builder.kind.into();
1990 .map(|p| builder.crate_paths[&p.assert_single_path().path].clone())
1993 builder.ensure(Crate { compiler, target: run.target, mode: Mode::Std, test_kind, crates });
1996 /// Runs all unit tests plus documentation tests for a given crate defined
1997 /// by a `Cargo.toml` (single manifest)
1999 /// This is what runs tests for crates like the standard library, compiler, etc.
2000 /// It essentially is the driver for running `cargo test`.
2002 /// Currently this runs all tests for a DAG by passing a bunch of `-p foo`
2003 /// arguments, and those arguments are discovered from `cargo metadata`.
2004 fn run(self, builder: &Builder<'_>) {
2005 let compiler = self.compiler;
2006 let target = self.target;
2007 let mode = self.mode;
2008 let test_kind = self.test_kind;
2010 builder.ensure(compile::Std::new(compiler, target));
2011 builder.ensure(RemoteCopyLibs { compiler, target });
2013 // If we're not doing a full bootstrap but we're testing a stage2
2014 // version of libstd, then what we're actually testing is the libstd
2015 // produced in stage1. Reflect that here by updating the compiler that
2016 // we're working with automatically.
2017 let compiler = builder.compiler_for(compiler.stage, compiler.host, target);
2020 builder.cargo(compiler, mode, SourceType::InTree, target, test_kind.subcommand());
2023 compile::std_cargo(builder, target, compiler.stage, &mut cargo);
2026 compile::rustc_cargo(builder, &mut cargo, target);
2028 _ => panic!("can only test libraries"),
2031 // Build up the base `cargo test` command.
2033 // Pass in some standard flags then iterate over the graph we've discovered
2034 // in `cargo metadata` with the maps above and figure out what `-p`
2035 // arguments need to get passed.
2036 if test_kind.subcommand() == "test" && !builder.fail_fast {
2037 cargo.arg("--no-fail-fast");
2039 match builder.doc_tests {
2044 cargo.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
2049 for krate in &self.crates {
2050 cargo.arg("-p").arg(krate);
2053 // The tests are going to run with the *target* libraries, so we need to
2054 // ensure that those libraries show up in the LD_LIBRARY_PATH equivalent.
2056 // Note that to run the compiler we need to run with the *host* libraries,
2057 // but our wrapper scripts arrange for that to be the case anyway.
2058 let mut dylib_path = dylib_path();
2059 dylib_path.insert(0, PathBuf::from(&*builder.sysroot_libdir(compiler, target)));
2060 cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
2063 cargo.args(&builder.config.cmd.test_args());
2065 if !builder.config.verbose_tests {
2066 cargo.arg("--quiet");
2069 if target.contains("emscripten") {
2071 format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)),
2072 builder.config.nodejs.as_ref().expect("nodejs not configured"),
2074 } else if target.starts_with("wasm32") {
2075 let node = builder.config.nodejs.as_ref().expect("nodejs not configured");
2077 format!("{} {}/src/etc/wasm32-shim.js", node.display(), builder.src.display());
2078 cargo.env(format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)), &runner);
2079 } else if builder.remote_tested(target) {
2081 format!("CARGO_TARGET_{}_RUNNER", envify(&target.triple)),
2082 format!("{} run 0", builder.tool_exe(Tool::RemoteTestClient).display()),
2086 builder.info(&format!(
2087 "{} {:?} stage{} ({} -> {})",
2088 test_kind, self.crates, compiler.stage, &compiler.host, target
2090 let _time = util::timeit(&builder);
2091 try_run(builder, &mut cargo.into());
2095 /// Rustdoc is special in various ways, which is why this step is different from `Crate`.
2096 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2097 pub struct CrateRustdoc {
2098 host: TargetSelection,
2099 test_kind: TestKind,
2102 impl Step for CrateRustdoc {
2104 const DEFAULT: bool = true;
2105 const ONLY_HOSTS: bool = true;
2107 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2108 run.paths(&["src/librustdoc", "src/tools/rustdoc"])
2111 fn make_run(run: RunConfig<'_>) {
2112 let builder = run.builder;
2114 let test_kind = builder.kind.into();
2116 builder.ensure(CrateRustdoc { host: run.target, test_kind });
2119 fn run(self, builder: &Builder<'_>) {
2120 let test_kind = self.test_kind;
2121 let target = self.host;
2123 let compiler = if builder.download_rustc() {
2124 builder.compiler(builder.top_stage, target)
2126 // Use the previous stage compiler to reuse the artifacts that are
2127 // created when running compiletest for src/test/rustdoc. If this used
2128 // `compiler`, then it would cause rustdoc to be built *again*, which
2129 // isn't really necessary.
2130 builder.compiler_for(builder.top_stage, target, target)
2132 builder.ensure(compile::Rustc::new(compiler, target));
2134 let mut cargo = tool::prepare_tool_cargo(
2139 test_kind.subcommand(),
2140 "src/tools/rustdoc",
2144 if test_kind.subcommand() == "test" && !builder.fail_fast {
2145 cargo.arg("--no-fail-fast");
2147 match builder.doc_tests {
2152 cargo.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
2157 cargo.arg("-p").arg("rustdoc:0.0.0");
2160 cargo.args(&builder.config.cmd.test_args());
2162 if self.host.contains("musl") {
2163 cargo.arg("'-Ctarget-feature=-crt-static'");
2166 // This is needed for running doctests on librustdoc. This is a bit of
2167 // an unfortunate interaction with how bootstrap works and how cargo
2168 // sets up the dylib path, and the fact that the doctest (in
2169 // html/markdown.rs) links to rustc-private libs. For stage1, the
2170 // compiler host dylibs (in stage1/lib) are not the same as the target
2171 // dylibs (in stage1/lib/rustlib/...). This is different from a normal
2172 // rust distribution where they are the same.
2174 // On the cargo side, normal tests use `target_process` which handles
2175 // setting up the dylib for a *target* (stage1/lib/rustlib/... in this
2176 // case). However, for doctests it uses `rustdoc_process` which only
2177 // sets up the dylib path for the *host* (stage1/lib), which is the
2180 // Recall that we special-cased `compiler_for(top_stage)` above, so we always use stage1.
2182 // It should be considered to just stop running doctests on
2183 // librustdoc. There is only one test, and it doesn't look too
2184 // important. There might be other ways to avoid this, but it seems
2185 // pretty convoluted.
2187 // See also https://github.com/rust-lang/rust/issues/13983 where the
2188 // host vs target dylibs for rustdoc are consistently tricky to deal
2191 // Note that this set the host libdir for `download_rustc`, which uses a normal rust distribution.
2192 let libdir = if builder.download_rustc() {
2193 builder.rustc_libdir(compiler)
2195 builder.sysroot_libdir(compiler, target).to_path_buf()
2197 let mut dylib_path = dylib_path();
2198 dylib_path.insert(0, PathBuf::from(&*libdir));
2199 cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
2201 if !builder.config.verbose_tests {
2202 cargo.arg("--quiet");
2205 builder.info(&format!(
2206 "{} rustdoc stage{} ({} -> {})",
2207 test_kind, compiler.stage, &compiler.host, target
2209 let _time = util::timeit(&builder);
2211 try_run(builder, &mut cargo.into());
2215 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2216 pub struct CrateRustdocJsonTypes {
2217 host: TargetSelection,
2218 test_kind: TestKind,
2221 impl Step for CrateRustdocJsonTypes {
2223 const DEFAULT: bool = true;
2224 const ONLY_HOSTS: bool = true;
2226 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2227 run.path("src/rustdoc-json-types")
2230 fn make_run(run: RunConfig<'_>) {
2231 let builder = run.builder;
2233 let test_kind = builder.kind.into();
2235 builder.ensure(CrateRustdocJsonTypes { host: run.target, test_kind });
2238 fn run(self, builder: &Builder<'_>) {
2239 let test_kind = self.test_kind;
2240 let target = self.host;
2242 // Use the previous stage compiler to reuse the artifacts that are
2243 // created when running compiletest for src/test/rustdoc. If this used
2244 // `compiler`, then it would cause rustdoc to be built *again*, which
2245 // isn't really necessary.
2246 let compiler = builder.compiler_for(builder.top_stage, target, target);
2247 builder.ensure(compile::Rustc::new(compiler, target));
2249 let mut cargo = tool::prepare_tool_cargo(
2254 test_kind.subcommand(),
2255 "src/rustdoc-json-types",
2259 if test_kind.subcommand() == "test" && !builder.fail_fast {
2260 cargo.arg("--no-fail-fast");
2263 cargo.arg("-p").arg("rustdoc-json-types");
2266 cargo.args(&builder.config.cmd.test_args());
2268 if self.host.contains("musl") {
2269 cargo.arg("'-Ctarget-feature=-crt-static'");
2272 if !builder.config.verbose_tests {
2273 cargo.arg("--quiet");
2276 builder.info(&format!(
2277 "{} rustdoc-json-types stage{} ({} -> {})",
2278 test_kind, compiler.stage, &compiler.host, target
2280 let _time = util::timeit(&builder);
2282 try_run(builder, &mut cargo.into());
2286 /// Some test suites are run inside emulators or on remote devices, and most
2287 /// of our test binaries are linked dynamically which means we need to ship
2288 /// the standard library and such to the emulator ahead of time. This step
2289 /// represents this and is a dependency of all test suites.
2291 /// Most of the time this is a no-op. For some steps such as shipping data to
2292 /// QEMU we have to build our own tools so we've got conditional dependencies
2293 /// on those programs as well. Note that the remote test client is built for
2294 /// the build target (us) and the server is built for the target.
2295 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2296 pub struct RemoteCopyLibs {
2298 target: TargetSelection,
2301 impl Step for RemoteCopyLibs {
2304 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2308 fn run(self, builder: &Builder<'_>) {
2309 let compiler = self.compiler;
2310 let target = self.target;
2311 if !builder.remote_tested(target) {
2315 builder.ensure(compile::Std::new(compiler, target));
2317 builder.info(&format!("REMOTE copy libs to emulator ({})", target));
2319 let server = builder.ensure(tool::RemoteTestServer { compiler, target });
2321 // Spawn the emulator and wait for it to come online
2322 let tool = builder.tool_exe(Tool::RemoteTestClient);
2323 let mut cmd = Command::new(&tool);
2324 cmd.arg("spawn-emulator").arg(target.triple).arg(&server).arg(builder.tempdir());
2325 if let Some(rootfs) = builder.qemu_rootfs(target) {
2328 builder.run(&mut cmd);
2330 // Push all our dylibs to the emulator
2331 for f in t!(builder.sysroot_libdir(compiler, target).read_dir()) {
2333 let name = f.file_name().into_string().unwrap();
2334 if util::is_dylib(&name) {
2335 builder.run(Command::new(&tool).arg("push").arg(f.path()));
2341 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2342 pub struct Distcheck;
2344 impl Step for Distcheck {
2347 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2348 run.alias("distcheck")
2351 fn make_run(run: RunConfig<'_>) {
2352 run.builder.ensure(Distcheck);
2355 /// Runs "distcheck", a 'make check' from a tarball
2356 fn run(self, builder: &Builder<'_>) {
2357 builder.info("Distcheck");
2358 let dir = builder.tempdir().join("distcheck");
2359 let _ = fs::remove_dir_all(&dir);
2360 t!(fs::create_dir_all(&dir));
2362 // Guarantee that these are built before we begin running.
2363 builder.ensure(dist::PlainSourceTarball);
2364 builder.ensure(dist::Src);
2366 let mut cmd = Command::new("tar");
2368 .arg(builder.ensure(dist::PlainSourceTarball).tarball())
2369 .arg("--strip-components=1")
2371 builder.run(&mut cmd);
2373 Command::new("./configure")
2374 .args(&builder.config.configure_args)
2375 .arg("--enable-vendor")
2379 Command::new(util::make(&builder.config.build.triple)).arg("check").current_dir(&dir),
2382 // Now make sure that rust-src has all of libstd's dependencies
2383 builder.info("Distcheck rust-src");
2384 let dir = builder.tempdir().join("distcheck-src");
2385 let _ = fs::remove_dir_all(&dir);
2386 t!(fs::create_dir_all(&dir));
2388 let mut cmd = Command::new("tar");
2390 .arg(builder.ensure(dist::Src).tarball())
2391 .arg("--strip-components=1")
2393 builder.run(&mut cmd);
2395 let toml = dir.join("rust-src/lib/rustlib/src/rust/library/std/Cargo.toml");
2397 Command::new(&builder.initial_cargo)
2398 .arg("generate-lockfile")
2399 .arg("--manifest-path")
2406 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2407 pub struct Bootstrap;
2409 impl Step for Bootstrap {
2411 const DEFAULT: bool = true;
2412 const ONLY_HOSTS: bool = true;
2414 /// Tests the build system itself.
2415 fn run(self, builder: &Builder<'_>) {
2416 let mut check_bootstrap = Command::new(&builder.python());
2417 check_bootstrap.arg("bootstrap_test.py").current_dir(builder.src.join("src/bootstrap/"));
2418 try_run(builder, &mut check_bootstrap);
2420 let mut cmd = Command::new(&builder.initial_cargo);
2422 .current_dir(builder.src.join("src/bootstrap"))
2423 .env("RUSTFLAGS", "-Cdebuginfo=2")
2424 .env("CARGO_TARGET_DIR", builder.out.join("bootstrap"))
2425 .env("RUSTC_BOOTSTRAP", "1")
2426 .env("RUSTDOC", builder.rustdoc(builder.compiler(0, builder.build.build)))
2427 .env("RUSTC", &builder.initial_rustc);
2428 if let Some(flags) = option_env!("RUSTFLAGS") {
2429 // Use the same rustc flags for testing as for "normal" compilation,
2430 // so that Cargo doesn’t recompile the entire dependency graph every time:
2431 // https://github.com/rust-lang/rust/issues/49215
2432 cmd.env("RUSTFLAGS", flags);
2434 if !builder.fail_fast {
2435 cmd.arg("--no-fail-fast");
2437 match builder.doc_tests {
2442 cmd.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
2447 cmd.arg("--").args(&builder.config.cmd.test_args());
2448 // rustbuild tests are racy on directory creation so just run them one at a time.
2449 // Since there's not many this shouldn't be a problem.
2450 cmd.arg("--test-threads=1");
2451 try_run(builder, &mut cmd);
2454 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2455 run.path("src/bootstrap")
2458 fn make_run(run: RunConfig<'_>) {
2459 run.builder.ensure(Bootstrap);
2463 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2464 pub struct TierCheck {
2465 pub compiler: Compiler,
2468 impl Step for TierCheck {
2470 const DEFAULT: bool = true;
2471 const ONLY_HOSTS: bool = true;
2473 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2474 run.path("src/tools/tier-check")
2477 fn make_run(run: RunConfig<'_>) {
2479 run.builder.compiler_for(run.builder.top_stage, run.builder.build.build, run.target);
2480 run.builder.ensure(TierCheck { compiler });
2483 /// Tests the Platform Support page in the rustc book.
2484 fn run(self, builder: &Builder<'_>) {
2485 builder.ensure(compile::Std::new(self.compiler, self.compiler.host));
2486 let mut cargo = tool::prepare_tool_cargo(
2492 "src/tools/tier-check",
2496 cargo.arg(builder.src.join("src/doc/rustc/src/platform-support.md"));
2497 cargo.arg(&builder.rustc(self.compiler));
2498 if builder.is_verbose() {
2499 cargo.arg("--verbose");
2502 builder.info("platform support check");
2503 try_run(builder, &mut cargo.into());
2507 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2508 pub struct ReplacePlaceholderTest;
2510 impl Step for ReplacePlaceholderTest {
2512 const ONLY_HOSTS: bool = true;
2513 const DEFAULT: bool = true;
2515 /// Ensure the version placeholder replacement tool builds
2516 fn run(self, builder: &Builder<'_>) {
2517 builder.info("build check for version replacement placeholder");
2519 // Test the version placeholder replacement tool itself.
2520 let bootstrap_host = builder.config.build;
2521 let compiler = builder.compiler(0, bootstrap_host);
2522 let cargo = tool::prepare_tool_cargo(
2525 Mode::ToolBootstrap,
2528 "src/tools/replace-version-placeholder",
2532 try_run(builder, &mut cargo.into());
2535 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2536 run.path("src/tools/replace-version-placeholder")
2539 fn make_run(run: RunConfig<'_>) {
2540 run.builder.ensure(Self);
2544 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
2545 pub struct LintDocs {
2546 pub compiler: Compiler,
2547 pub target: TargetSelection,
2550 impl Step for LintDocs {
2552 const DEFAULT: bool = true;
2553 const ONLY_HOSTS: bool = true;
2555 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
2556 run.path("src/tools/lint-docs")
2559 fn make_run(run: RunConfig<'_>) {
2560 run.builder.ensure(LintDocs {
2561 compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
2566 /// Tests that the lint examples in the rustc book generate the correct
2567 /// lints and have the expected format.
2568 fn run(self, builder: &Builder<'_>) {
2569 builder.ensure(crate::doc::RustcBook {
2570 compiler: self.compiler,
2571 target: self.target,