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;
14 use build_helper::{self, output};
16 use crate::builder::{Builder, Compiler, Kind, RunConfig, ShouldRun, Step};
17 use crate::cache::{Interned, INTERNER};
20 use crate::flags::Subcommand;
22 use crate::tool::{self, Tool, SourceType};
23 use crate::toolstate::ToolState;
24 use crate::util::{self, dylib_path, dylib_path_var};
25 use crate::Crate as CargoCrate;
26 use crate::{DocTests, Mode, GitRepo};
28 const ADB_TEST_DIR: &str = "/data/tmp/work";
30 /// The two modes of the test runner; tests or benchmarks.
31 #[derive(Debug, PartialEq, Eq, Hash, Copy, Clone, PartialOrd, Ord)]
35 /// Run `cargo bench`.
39 impl From<Kind> for TestKind {
40 fn from(kind: Kind) -> Self {
42 Kind::Test => TestKind::Test,
43 Kind::Bench => TestKind::Bench,
44 _ => panic!("unexpected kind in crate: {:?}", kind),
50 // Return the cargo subcommand for this test kind
51 fn subcommand(self) -> &'static str {
53 TestKind::Test => "test",
54 TestKind::Bench => "bench",
59 impl fmt::Display for TestKind {
60 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
61 f.write_str(match *self {
62 TestKind::Test => "Testing",
63 TestKind::Bench => "Benchmarking",
68 fn try_run(builder: &Builder<'_>, cmd: &mut Command) -> bool {
69 if !builder.fail_fast {
70 if !builder.try_run(cmd) {
71 let mut failures = builder.delayed_failures.borrow_mut();
72 failures.push(format!("{:?}", cmd));
81 fn try_run_quiet(builder: &Builder<'_>, cmd: &mut Command) -> bool {
82 if !builder.fail_fast {
83 if !builder.try_run_quiet(cmd) {
84 let mut failures = builder.delayed_failures.borrow_mut();
85 failures.push(format!("{:?}", cmd));
89 builder.run_quiet(cmd);
94 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
95 pub struct Linkcheck {
96 host: Interned<String>,
99 impl Step for Linkcheck {
101 const ONLY_HOSTS: bool = true;
102 const DEFAULT: bool = true;
104 /// Runs the `linkchecker` tool as compiled in `stage` by the `host` compiler.
106 /// This tool in `src/tools` will verify the validity of all our links in the
107 /// documentation to ensure we don't have a bunch of dead ones.
108 fn run(self, builder: &Builder<'_>) {
109 let host = self.host;
111 builder.info(&format!("Linkcheck ({})", host));
113 builder.default_doc(None);
115 let _time = util::timeit(&builder);
119 .tool_cmd(Tool::Linkchecker)
120 .arg(builder.out.join(host).join("doc")),
124 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
125 let builder = run.builder;
126 run.path("src/tools/linkchecker")
127 .default_condition(builder.config.docs)
130 fn make_run(run: RunConfig<'_>) {
131 run.builder.ensure(Linkcheck { host: run.target });
135 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
136 pub struct Cargotest {
138 host: Interned<String>,
141 impl Step for Cargotest {
143 const ONLY_HOSTS: bool = true;
145 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
146 run.path("src/tools/cargotest")
149 fn make_run(run: RunConfig<'_>) {
150 run.builder.ensure(Cargotest {
151 stage: run.builder.top_stage,
156 /// Runs the `cargotest` tool as compiled in `stage` by the `host` compiler.
158 /// This tool in `src/tools` will check out a few Rust projects and run `cargo
159 /// test` to ensure that we don't regress the test suites there.
160 fn run(self, builder: &Builder<'_>) {
161 let compiler = builder.compiler(self.stage, self.host);
162 builder.ensure(compile::Rustc {
164 target: compiler.host,
167 // Note that this is a short, cryptic, and not scoped directory name. This
168 // is currently to minimize the length of path on Windows where we otherwise
169 // quickly run into path name limit constraints.
170 let out_dir = builder.out.join("ct");
171 t!(fs::create_dir_all(&out_dir));
173 let _time = util::timeit(&builder);
174 let mut cmd = builder.tool_cmd(Tool::CargoTest);
177 cmd.arg(&builder.initial_cargo)
179 .env("RUSTC", builder.rustc(compiler))
180 .env("RUSTDOC", builder.rustdoc(compiler.host)),
185 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
188 host: Interned<String>,
191 impl Step for Cargo {
193 const ONLY_HOSTS: bool = true;
195 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
196 run.path("src/tools/cargo")
199 fn make_run(run: RunConfig<'_>) {
200 run.builder.ensure(Cargo {
201 stage: run.builder.top_stage,
206 /// Runs `cargo test` for `cargo` packaged with Rust.
207 fn run(self, builder: &Builder<'_>) {
208 let compiler = builder.compiler(self.stage, self.host);
210 builder.ensure(tool::Cargo {
214 let mut cargo = tool::prepare_tool_cargo(builder,
220 SourceType::Submodule,
223 if !builder.fail_fast {
224 cargo.arg("--no-fail-fast");
227 // Don't run cross-compile tests, we may not have cross-compiled libstd libs
229 cargo.env("CFG_DISABLE_CROSS_TESTS", "1");
230 // Disable a test that has issues with mingw.
231 cargo.env("CARGO_TEST_DISABLE_GIT_CLI", "1");
235 cargo.env("PATH", &path_for_cargo(builder, compiler)),
240 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
243 host: Interned<String>,
248 const ONLY_HOSTS: bool = true;
250 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
251 run.path("src/tools/rls")
254 fn make_run(run: RunConfig<'_>) {
255 run.builder.ensure(Rls {
256 stage: run.builder.top_stage,
261 /// Runs `cargo test` for the rls.
262 fn run(self, builder: &Builder<'_>) {
263 let stage = self.stage;
264 let host = self.host;
265 let compiler = builder.compiler(stage, host);
267 let build_result = builder.ensure(tool::Rls {
270 extra_features: Vec::new(),
272 if build_result.is_none() {
273 eprintln!("failed to test rls: could not build");
277 let mut cargo = tool::prepare_tool_cargo(builder,
283 SourceType::Submodule,
286 builder.add_rustc_lib_path(compiler, &mut cargo);
288 .args(builder.config.cmd.test_args());
290 if try_run(builder, &mut cargo) {
291 builder.save_toolstate("rls", ToolState::TestPass);
296 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
299 host: Interned<String>,
302 impl Step for Rustfmt {
304 const ONLY_HOSTS: bool = true;
306 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
307 run.path("src/tools/rustfmt")
310 fn make_run(run: RunConfig<'_>) {
311 run.builder.ensure(Rustfmt {
312 stage: run.builder.top_stage,
317 /// Runs `cargo test` for rustfmt.
318 fn run(self, builder: &Builder<'_>) {
319 let stage = self.stage;
320 let host = self.host;
321 let compiler = builder.compiler(stage, host);
323 let build_result = builder.ensure(tool::Rustfmt {
326 extra_features: Vec::new(),
328 if build_result.is_none() {
329 eprintln!("failed to test rustfmt: could not build");
333 let mut cargo = tool::prepare_tool_cargo(builder,
339 SourceType::Submodule,
342 let dir = testdir(builder, compiler.host);
343 t!(fs::create_dir_all(&dir));
344 cargo.env("RUSTFMT_TEST_DIR", dir);
346 builder.add_rustc_lib_path(compiler, &mut cargo);
348 if try_run(builder, &mut cargo) {
349 builder.save_toolstate("rustfmt", ToolState::TestPass);
354 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
357 host: Interned<String>,
362 const ONLY_HOSTS: bool = true;
363 const DEFAULT: bool = true;
365 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
366 let test_miri = run.builder.config.test_miri;
367 run.path("src/tools/miri").default_condition(test_miri)
370 fn make_run(run: RunConfig<'_>) {
371 run.builder.ensure(Miri {
372 stage: run.builder.top_stage,
377 /// Runs `cargo test` for miri.
378 fn run(self, builder: &Builder<'_>) {
379 let stage = self.stage;
380 let host = self.host;
381 let compiler = builder.compiler(stage, host);
383 let miri = builder.ensure(tool::Miri {
386 extra_features: Vec::new(),
388 if let Some(miri) = miri {
389 let mut cargo = tool::prepare_tool_cargo(builder,
395 SourceType::Submodule,
398 // miri tests need to know about the stage sysroot
399 cargo.env("MIRI_SYSROOT", builder.sysroot(compiler));
400 cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
401 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
402 cargo.env("MIRI_PATH", miri);
404 builder.add_rustc_lib_path(compiler, &mut cargo);
406 if try_run(builder, &mut cargo) {
407 builder.save_toolstate("miri", ToolState::TestPass);
410 eprintln!("failed to test miri: could not build");
415 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
416 pub struct CompiletestTest {
418 host: Interned<String>,
421 impl Step for CompiletestTest {
424 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
425 run.path("src/tools/compiletest")
428 fn make_run(run: RunConfig<'_>) {
429 run.builder.ensure(CompiletestTest {
430 stage: run.builder.top_stage,
435 /// Runs `cargo test` for compiletest.
436 fn run(self, builder: &Builder<'_>) {
437 let stage = self.stage;
438 let host = self.host;
439 let compiler = builder.compiler(stage, host);
441 let mut cargo = tool::prepare_tool_cargo(builder,
446 "src/tools/compiletest",
450 try_run(builder, &mut cargo);
454 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
457 host: Interned<String>,
460 impl Step for Clippy {
462 const ONLY_HOSTS: bool = true;
463 const DEFAULT: bool = false;
465 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
466 run.path("src/tools/clippy")
469 fn make_run(run: RunConfig<'_>) {
470 run.builder.ensure(Clippy {
471 stage: run.builder.top_stage,
476 /// Runs `cargo test` for clippy.
477 fn run(self, builder: &Builder<'_>) {
478 let stage = self.stage;
479 let host = self.host;
480 let compiler = builder.compiler(stage, host);
482 let clippy = builder.ensure(tool::Clippy {
485 extra_features: Vec::new(),
487 if let Some(clippy) = clippy {
488 let mut cargo = tool::prepare_tool_cargo(builder,
494 SourceType::Submodule,
497 // clippy tests need to know about the stage sysroot
498 cargo.env("SYSROOT", builder.sysroot(compiler));
499 cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler));
500 cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler));
501 let host_libs = builder
502 .stage_out(compiler, Mode::ToolRustc)
503 .join(builder.cargo_dir());
504 cargo.env("HOST_LIBS", host_libs);
505 // clippy tests need to find the driver
506 cargo.env("CLIPPY_DRIVER_PATH", clippy);
508 builder.add_rustc_lib_path(compiler, &mut cargo);
510 if try_run(builder, &mut cargo) {
511 builder.save_toolstate("clippy-driver", ToolState::TestPass);
514 eprintln!("failed to test clippy: could not build");
519 fn path_for_cargo(builder: &Builder<'_>, compiler: Compiler) -> OsString {
520 // Configure PATH to find the right rustc. NB. we have to use PATH
521 // and not RUSTC because the Cargo test suite has tests that will
522 // fail if rustc is not spelled `rustc`.
523 let path = builder.sysroot(compiler).join("bin");
524 let old_path = env::var_os("PATH").unwrap_or_default();
525 env::join_paths(iter::once(path).chain(env::split_paths(&old_path))).expect("")
528 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
529 pub struct RustdocTheme {
530 pub compiler: Compiler,
533 impl Step for RustdocTheme {
535 const DEFAULT: bool = true;
536 const ONLY_HOSTS: bool = true;
538 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
539 run.path("src/tools/rustdoc-themes")
542 fn make_run(run: RunConfig<'_>) {
543 let compiler = run.builder.compiler(run.builder.top_stage, run.host);
545 run.builder.ensure(RustdocTheme { compiler });
548 fn run(self, builder: &Builder<'_>) {
549 let rustdoc = builder.out.join("bootstrap/debug/rustdoc");
550 let mut cmd = builder.tool_cmd(Tool::RustdocTheme);
551 cmd.arg(rustdoc.to_str().unwrap())
555 .join("src/librustdoc/html/static/themes")
559 .env("RUSTC_STAGE", self.compiler.stage.to_string())
560 .env("RUSTC_SYSROOT", builder.sysroot(self.compiler))
563 builder.sysroot_libdir(self.compiler, self.compiler.host),
565 .env("CFG_RELEASE_CHANNEL", &builder.config.channel)
566 .env("RUSTDOC_REAL", builder.rustdoc(self.compiler.host))
567 .env("RUSTDOC_CRATE_VERSION", builder.rust_version())
568 .env("RUSTC_BOOTSTRAP", "1");
569 if let Some(linker) = builder.linker(self.compiler.host) {
570 cmd.env("RUSTC_TARGET_LINKER", linker);
572 try_run(builder, &mut cmd);
576 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
577 pub struct RustdocJS {
578 pub host: Interned<String>,
579 pub target: Interned<String>,
582 impl Step for RustdocJS {
584 const DEFAULT: bool = true;
585 const ONLY_HOSTS: bool = true;
587 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
588 run.path("src/test/rustdoc-js")
591 fn make_run(run: RunConfig<'_>) {
592 run.builder.ensure(RustdocJS {
598 fn run(self, builder: &Builder<'_>) {
599 if let Some(ref nodejs) = builder.config.nodejs {
600 let mut command = Command::new(nodejs);
601 command.args(&["src/tools/rustdoc-js/tester.js", &*self.host]);
602 builder.ensure(crate::doc::Std {
604 stage: builder.top_stage,
606 builder.run(&mut command);
609 "No nodejs found, skipping \"src/test/rustdoc-js\" tests"
615 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
616 pub struct RustdocUi {
617 pub host: Interned<String>,
618 pub target: Interned<String>,
619 pub compiler: Compiler,
622 impl Step for RustdocUi {
624 const DEFAULT: bool = true;
625 const ONLY_HOSTS: bool = true;
627 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
628 run.path("src/test/rustdoc-ui")
631 fn make_run(run: RunConfig<'_>) {
632 let compiler = run.builder.compiler(run.builder.top_stage, run.host);
633 run.builder.ensure(RustdocUi {
640 fn run(self, builder: &Builder<'_>) {
641 builder.ensure(Compiletest {
642 compiler: self.compiler,
652 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
657 const DEFAULT: bool = true;
658 const ONLY_HOSTS: bool = true;
660 /// Runs the `tidy` tool.
662 /// This tool in `src/tools` checks up on various bits and pieces of style and
663 /// otherwise just implements a few lint-like checks that are specific to the
665 fn run(self, builder: &Builder<'_>) {
666 let mut cmd = builder.tool_cmd(Tool::Tidy);
667 cmd.arg(builder.src.join("src"));
668 cmd.arg(&builder.initial_cargo);
669 if !builder.config.vendor {
670 cmd.arg("--no-vendor");
672 if !builder.config.verbose_tests {
676 let _folder = builder.fold_output(|| "tidy");
677 builder.info("tidy check");
678 try_run(builder, &mut cmd);
681 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
682 run.path("src/tools/tidy")
685 fn make_run(run: RunConfig<'_>) {
686 run.builder.ensure(Tidy);
690 fn testdir(builder: &Builder<'_>, host: Interned<String>) -> PathBuf {
691 builder.out.join(host).join("test")
694 macro_rules! default_test {
695 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
696 test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: false });
700 macro_rules! default_test_with_compare_mode {
701 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr,
702 compare_mode: $compare_mode:expr }) => {
703 test_with_compare_mode!($name { path: $path, mode: $mode, suite: $suite, default: true,
704 host: false, compare_mode: $compare_mode });
708 macro_rules! host_test {
709 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr }) => {
710 test!($name { path: $path, mode: $mode, suite: $suite, default: true, host: true });
715 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
716 host: $host:expr }) => {
717 test_definitions!($name { path: $path, mode: $mode, suite: $suite, default: $default,
718 host: $host, compare_mode: None });
722 macro_rules! test_with_compare_mode {
723 ($name:ident { path: $path:expr, mode: $mode:expr, suite: $suite:expr, default: $default:expr,
724 host: $host:expr, compare_mode: $compare_mode:expr }) => {
725 test_definitions!($name { path: $path, mode: $mode, suite: $suite, default: $default,
726 host: $host, compare_mode: Some($compare_mode) });
730 macro_rules! test_definitions {
735 default: $default:expr,
737 compare_mode: $compare_mode:expr
739 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
741 pub compiler: Compiler,
742 pub target: Interned<String>,
745 impl Step for $name {
747 const DEFAULT: bool = $default;
748 const ONLY_HOSTS: bool = $host;
750 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
751 run.suite_path($path)
754 fn make_run(run: RunConfig<'_>) {
755 let compiler = run.builder.compiler(run.builder.top_stage, run.host);
757 run.builder.ensure($name {
763 fn run(self, builder: &Builder<'_>) {
764 builder.ensure(Compiletest {
765 compiler: self.compiler,
770 compare_mode: $compare_mode,
777 default_test_with_compare_mode!(Ui {
784 default_test_with_compare_mode!(RunPass {
785 path: "src/test/run-pass",
791 default_test!(CompileFail {
792 path: "src/test/compile-fail",
793 mode: "compile-fail",
794 suite: "compile-fail"
797 default_test!(RunFail {
798 path: "src/test/run-fail",
803 default_test!(RunPassValgrind {
804 path: "src/test/run-pass-valgrind",
805 mode: "run-pass-valgrind",
806 suite: "run-pass-valgrind"
809 default_test!(MirOpt {
810 path: "src/test/mir-opt",
815 default_test!(Codegen {
816 path: "src/test/codegen",
821 default_test!(CodegenUnits {
822 path: "src/test/codegen-units",
823 mode: "codegen-units",
824 suite: "codegen-units"
827 default_test!(Incremental {
828 path: "src/test/incremental",
833 default_test!(Debuginfo {
834 path: "src/test/debuginfo",
839 host_test!(UiFullDeps {
840 path: "src/test/ui-fulldeps",
845 host_test!(RunPassFullDeps {
846 path: "src/test/run-pass-fulldeps",
848 suite: "run-pass-fulldeps"
852 path: "src/test/rustdoc",
858 path: "src/test/pretty",
864 test!(RunPassPretty {
865 path: "src/test/run-pass/pretty",
871 test!(RunFailPretty {
872 path: "src/test/run-fail/pretty",
878 test!(RunPassValgrindPretty {
879 path: "src/test/run-pass-valgrind/pretty",
881 suite: "run-pass-valgrind",
886 default_test!(RunMake {
887 path: "src/test/run-make",
892 host_test!(RunMakeFullDeps {
893 path: "src/test/run-make-fulldeps",
895 suite: "run-make-fulldeps"
898 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
901 target: Interned<String>,
904 path: Option<&'static str>,
905 compare_mode: Option<&'static str>,
908 impl Step for Compiletest {
911 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
915 /// Executes the `compiletest` tool to run a suite of tests.
917 /// Compiles all tests with `compiler` for `target` with the specified
918 /// compiletest `mode` and `suite` arguments. For example `mode` can be
919 /// "run-pass" or `suite` can be something like `debuginfo`.
920 fn run(self, builder: &Builder<'_>) {
921 let compiler = self.compiler;
922 let target = self.target;
923 let mode = self.mode;
924 let suite = self.suite;
926 // Path for test suite
927 let suite_path = self.path.unwrap_or("");
929 // Skip codegen tests if they aren't enabled in configuration.
930 if !builder.config.codegen_tests && suite == "codegen" {
934 if suite == "debuginfo" {
935 // Skip debuginfo tests on MSVC
936 if builder.config.build.contains("msvc") {
940 if mode == "debuginfo" {
941 return builder.ensure(Compiletest {
942 mode: "debuginfo-both",
947 builder.ensure(dist::DebuggerScripts {
948 sysroot: builder.sysroot(compiler),
953 if suite.ends_with("fulldeps") ||
954 // FIXME: Does pretty need librustc compiled? Note that there are
955 // fulldeps test suites with mode = pretty as well.
958 builder.ensure(compile::Rustc { compiler, target });
961 if builder.no_std(target) == Some(true) {
962 // the `test` doesn't compile for no-std targets
963 builder.ensure(compile::Std { compiler, target });
965 builder.ensure(compile::Test { compiler, target });
968 if builder.no_std(target) == Some(true) {
969 // for no_std run-make (e.g., thumb*),
970 // we need a host compiler which is called by cargo.
971 builder.ensure(compile::Std { compiler, target: compiler.host });
974 // HACK(eddyb) ensure that `libproc_macro` is available on the host.
975 builder.ensure(compile::Test { compiler, target: compiler.host });
976 // Also provide `rust_test_helpers` for the host.
977 builder.ensure(native::TestHelpers { target: compiler.host });
979 builder.ensure(native::TestHelpers { target });
980 builder.ensure(RemoteCopyLibs { compiler, target });
982 let mut cmd = builder.tool_cmd(Tool::Compiletest);
984 // compiletest currently has... a lot of arguments, so let's just pass all
987 cmd.arg("--compile-lib-path")
988 .arg(builder.rustc_libdir(compiler));
989 cmd.arg("--run-lib-path")
990 .arg(builder.sysroot_libdir(compiler, target));
991 cmd.arg("--rustc-path").arg(builder.rustc(compiler));
993 let is_rustdoc_ui = suite.ends_with("rustdoc-ui");
995 // Avoid depending on rustdoc when we don't need it.
997 || (mode == "run-make" && suite.ends_with("fulldeps"))
998 || (mode == "ui" && is_rustdoc_ui)
1000 cmd.arg("--rustdoc-path")
1001 .arg(builder.rustdoc(compiler.host));
1004 cmd.arg("--src-base")
1005 .arg(builder.src.join("src/test").join(suite));
1006 cmd.arg("--build-base")
1007 .arg(testdir(builder, compiler.host).join(suite));
1008 cmd.arg("--stage-id")
1009 .arg(format!("stage{}-{}", compiler.stage, target));
1010 cmd.arg("--mode").arg(mode);
1011 cmd.arg("--target").arg(target);
1012 cmd.arg("--host").arg(&*compiler.host);
1013 cmd.arg("--llvm-filecheck")
1014 .arg(builder.llvm_filecheck(builder.config.build));
1016 if builder.config.cmd.bless() {
1020 let compare_mode = builder.config.cmd.compare_mode().or_else(|| {
1021 if builder.config.test_compare_mode {
1028 if let Some(ref nodejs) = builder.config.nodejs {
1029 cmd.arg("--nodejs").arg(nodejs);
1032 let mut flags = if is_rustdoc_ui {
1035 vec!["-Crpath".to_string()]
1038 if builder.config.rust_optimize_tests {
1039 flags.push("-O".to_string());
1041 if builder.config.rust_debuginfo_tests {
1042 flags.push("-g".to_string());
1045 flags.push("-Zunstable-options".to_string());
1046 flags.push(builder.config.cmd.rustc_args().join(" "));
1048 if let Some(linker) = builder.linker(target) {
1049 cmd.arg("--linker").arg(linker);
1052 let mut hostflags = flags.clone();
1053 hostflags.push(format!(
1055 builder.test_helpers_out(compiler.host).display()
1057 cmd.arg("--host-rustcflags").arg(hostflags.join(" "));
1059 let mut targetflags = flags;
1060 targetflags.push(format!(
1062 builder.test_helpers_out(target).display()
1064 cmd.arg("--target-rustcflags").arg(targetflags.join(" "));
1066 cmd.arg("--docck-python").arg(builder.python());
1068 if builder.config.build.ends_with("apple-darwin") {
1069 // Force /usr/bin/python on macOS for LLDB tests because we're loading the
1070 // LLDB plugin's compiled module which only works with the system python
1071 // (namely not Homebrew-installed python)
1072 cmd.arg("--lldb-python").arg("/usr/bin/python");
1074 cmd.arg("--lldb-python").arg(builder.python());
1077 if let Some(ref gdb) = builder.config.gdb {
1078 cmd.arg("--gdb").arg(gdb);
1081 let run = |cmd: &mut Command| {
1082 cmd.output().map(|output| {
1083 String::from_utf8_lossy(&output.stdout)
1084 .lines().next().unwrap_or_else(|| {
1085 panic!("{:?} failed {:?}", cmd, output)
1089 let lldb_exe = if builder.config.lldb_enabled && !target.contains("emscripten") {
1090 // Test against the lldb that was just built.
1091 builder.llvm_out(target).join("bin").join("lldb")
1093 PathBuf::from("lldb")
1095 let lldb_version = Command::new(&lldb_exe)
1098 .map(|output| { String::from_utf8_lossy(&output.stdout).to_string() })
1100 if let Some(ref vers) = lldb_version {
1101 cmd.arg("--lldb-version").arg(vers);
1102 let lldb_python_dir = run(Command::new(&lldb_exe).arg("-P")).ok();
1103 if let Some(ref dir) = lldb_python_dir {
1104 cmd.arg("--lldb-python-dir").arg(dir);
1108 if let Some(var) = env::var_os("RUSTBUILD_FORCE_CLANG_BASED_TESTS") {
1109 match &var.to_string_lossy().to_lowercase()[..] {
1110 "1" | "yes" | "on" => {
1111 assert!(builder.config.lldb_enabled,
1112 "RUSTBUILD_FORCE_CLANG_BASED_TESTS needs Clang/LLDB to \
1114 let clang_exe = builder.llvm_out(target).join("bin").join("clang");
1115 cmd.arg("--run-clang-based-tests-with").arg(clang_exe);
1117 "0" | "no" | "off" => {
1121 // Let's make sure typos don't get unnoticed
1122 panic!("Unrecognized option '{}' set in \
1123 RUSTBUILD_FORCE_CLANG_BASED_TESTS", other);
1128 // Get paths from cmd args
1129 let paths = match &builder.config.cmd {
1130 Subcommand::Test { ref paths, .. } => &paths[..],
1134 // Get test-args by striping suite path
1135 let mut test_args: Vec<&str> = paths
1138 match p.strip_prefix(".") {
1143 .filter(|p| p.starts_with(suite_path) && p.is_file())
1144 .map(|p| p.strip_prefix(suite_path).unwrap().to_str().unwrap())
1147 test_args.append(&mut builder.config.cmd.test_args());
1149 cmd.args(&test_args);
1151 if builder.is_verbose() {
1152 cmd.arg("--verbose");
1155 if !builder.config.verbose_tests {
1159 if builder.config.llvm_enabled {
1160 let llvm_config = builder.ensure(native::Llvm {
1161 target: builder.config.build,
1164 if !builder.config.dry_run {
1165 let llvm_version = output(Command::new(&llvm_config).arg("--version"));
1166 cmd.arg("--llvm-version").arg(llvm_version);
1168 if !builder.is_rust_llvm(target) {
1169 cmd.arg("--system-llvm");
1172 // Only pass correct values for these flags for the `run-make` suite as it
1173 // requires that a C++ compiler was configured which isn't always the case.
1174 if !builder.config.dry_run && suite == "run-make-fulldeps" {
1175 let llvm_components = output(Command::new(&llvm_config).arg("--components"));
1176 let llvm_cxxflags = output(Command::new(&llvm_config).arg("--cxxflags"));
1178 .arg(builder.cc(target))
1180 .arg(builder.cxx(target).unwrap())
1182 .arg(builder.cflags(target, GitRepo::Rustc).join(" "))
1183 .arg("--llvm-components")
1184 .arg(llvm_components.trim())
1185 .arg("--llvm-cxxflags")
1186 .arg(llvm_cxxflags.trim());
1187 if let Some(ar) = builder.ar(target) {
1188 cmd.arg("--ar").arg(ar);
1192 if suite == "run-make-fulldeps" && !builder.config.llvm_enabled {
1194 "Ignoring run-make test suite as they generally don't work without LLVM"
1199 if suite != "run-make-fulldeps" {
1206 .arg("--llvm-components")
1208 .arg("--llvm-cxxflags")
1212 if builder.remote_tested(target) {
1213 cmd.arg("--remote-test-client")
1214 .arg(builder.tool_exe(Tool::RemoteTestClient));
1217 // Running a C compiler on MSVC requires a few env vars to be set, to be
1218 // sure to set them here.
1220 // Note that if we encounter `PATH` we make sure to append to our own `PATH`
1221 // rather than stomp over it.
1222 if target.contains("msvc") {
1223 for &(ref k, ref v) in builder.cc[&target].env() {
1229 cmd.env("RUSTC_BOOTSTRAP", "1");
1230 builder.add_rust_test_threads(&mut cmd);
1232 if builder.config.sanitizers {
1233 cmd.env("SANITIZER_SUPPORT", "1");
1236 if builder.config.profiler {
1237 cmd.env("PROFILER_SUPPORT", "1");
1240 cmd.env("RUST_TEST_TMPDIR", builder.out.join("tmp"));
1242 cmd.arg("--adb-path").arg("adb");
1243 cmd.arg("--adb-test-dir").arg(ADB_TEST_DIR);
1244 if target.contains("android") {
1245 // Assume that cc for this target comes from the android sysroot
1246 cmd.arg("--android-cross-path")
1247 .arg(builder.cc(target).parent().unwrap().parent().unwrap());
1249 cmd.arg("--android-cross-path").arg("");
1252 builder.ci_env.force_coloring_in_ci(&mut cmd);
1254 let _folder = builder.fold_output(|| format!("test_{}", suite));
1255 builder.info(&format!(
1256 "Check compiletest suite={} mode={} ({} -> {})",
1257 suite, mode, &compiler.host, target
1259 let _time = util::timeit(&builder);
1260 try_run(builder, &mut cmd);
1262 if let Some(compare_mode) = compare_mode {
1263 cmd.arg("--compare-mode").arg(compare_mode);
1264 let _folder = builder.fold_output(|| format!("test_{}_{}", suite, compare_mode));
1265 builder.info(&format!(
1266 "Check compiletest suite={} mode={} compare_mode={} ({} -> {})",
1267 suite, mode, compare_mode, &compiler.host, target
1269 let _time = util::timeit(&builder);
1270 try_run(builder, &mut cmd);
1275 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1283 impl Step for DocTest {
1285 const ONLY_HOSTS: bool = true;
1287 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1291 /// Runs `rustdoc --test` for all documentation in `src/doc`.
1293 /// This will run all tests in our markdown documentation (e.g., the book)
1294 /// located in `src/doc`. The `rustdoc` that's run is the one that sits next to
1296 fn run(self, builder: &Builder<'_>) {
1297 let compiler = self.compiler;
1299 builder.ensure(compile::Test {
1301 target: compiler.host,
1304 // Do a breadth-first traversal of the `src/doc` directory and just run
1305 // tests for all files that end in `*.md`
1306 let mut stack = vec![builder.src.join(self.path)];
1307 let _time = util::timeit(&builder);
1308 let _folder = builder.fold_output(|| format!("test_{}", self.name));
1310 let mut files = Vec::new();
1311 while let Some(p) = stack.pop() {
1313 stack.extend(t!(p.read_dir()).map(|p| t!(p).path()));
1317 if p.extension().and_then(|s| s.to_str()) != Some("md") {
1321 // The nostarch directory in the book is for no starch, and so isn't
1322 // guaranteed to builder. We don't care if it doesn't build, so skip it.
1323 if p.to_str().map_or(false, |p| p.contains("nostarch")) {
1332 let mut toolstate = ToolState::TestPass;
1334 if !markdown_test(builder, compiler, &file) {
1335 toolstate = ToolState::TestFail;
1338 if self.is_ext_doc {
1339 builder.save_toolstate(self.name, toolstate);
1344 macro_rules! test_book {
1345 ($($name:ident, $path:expr, $book_name:expr, default=$default:expr;)+) => {
1347 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1352 impl Step for $name {
1354 const DEFAULT: bool = $default;
1355 const ONLY_HOSTS: bool = true;
1357 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1361 fn make_run(run: RunConfig<'_>) {
1362 run.builder.ensure($name {
1363 compiler: run.builder.compiler(run.builder.top_stage, run.host),
1367 fn run(self, builder: &Builder<'_>) {
1368 builder.ensure(DocTest {
1369 compiler: self.compiler,
1372 is_ext_doc: !$default,
1381 Nomicon, "src/doc/nomicon", "nomicon", default=false;
1382 Reference, "src/doc/reference", "reference", default=false;
1383 RustdocBook, "src/doc/rustdoc", "rustdoc", default=true;
1384 RustcBook, "src/doc/rustc", "rustc", default=true;
1385 RustByExample, "src/doc/rust-by-example", "rust-by-example", default=false;
1386 EmbeddedBook, "src/doc/embedded-book", "embedded-book", default=false;
1387 TheBook, "src/doc/book", "book", default=false;
1388 UnstableBook, "src/doc/unstable-book", "unstable-book", default=true;
1391 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1392 pub struct ErrorIndex {
1396 impl Step for ErrorIndex {
1398 const DEFAULT: bool = true;
1399 const ONLY_HOSTS: bool = true;
1401 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1402 run.path("src/tools/error_index_generator")
1405 fn make_run(run: RunConfig<'_>) {
1406 run.builder.ensure(ErrorIndex {
1407 compiler: run.builder.compiler(run.builder.top_stage, run.host),
1411 /// Runs the error index generator tool to execute the tests located in the error
1414 /// The `error_index_generator` tool lives in `src/tools` and is used to
1415 /// generate a markdown file from the error indexes of the code base which is
1416 /// then passed to `rustdoc --test`.
1417 fn run(self, builder: &Builder<'_>) {
1418 let compiler = self.compiler;
1420 builder.ensure(compile::Std {
1422 target: compiler.host,
1425 let dir = testdir(builder, compiler.host);
1426 t!(fs::create_dir_all(&dir));
1427 let output = dir.join("error-index.md");
1429 let mut tool = builder.tool_cmd(Tool::ErrorIndex);
1430 tool.arg("markdown")
1432 .env("CFG_BUILD", &builder.config.build)
1433 .env("RUSTC_ERROR_METADATA_DST", builder.extended_error_dir());
1435 let _folder = builder.fold_output(|| "test_error_index");
1436 builder.info(&format!("Testing error-index stage{}", compiler.stage));
1437 let _time = util::timeit(&builder);
1438 builder.run(&mut tool);
1439 markdown_test(builder, compiler, &output);
1443 fn markdown_test(builder: &Builder<'_>, compiler: Compiler, markdown: &Path) -> bool {
1444 match fs::read_to_string(markdown) {
1446 if !contents.contains("```") {
1453 builder.info(&format!("doc tests for: {}", markdown.display()));
1454 let mut cmd = builder.rustdoc_cmd(compiler.host);
1455 builder.add_rust_test_threads(&mut cmd);
1458 cmd.env("RUSTC_BOOTSTRAP", "1");
1460 let test_args = builder.config.cmd.test_args().join(" ");
1461 cmd.arg("--test-args").arg(test_args);
1463 if builder.config.verbose_tests {
1464 try_run(builder, &mut cmd)
1466 try_run_quiet(builder, &mut cmd)
1470 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1471 pub struct CrateLibrustc {
1473 target: Interned<String>,
1474 test_kind: TestKind,
1475 krate: Interned<String>,
1478 impl Step for CrateLibrustc {
1480 const DEFAULT: bool = true;
1481 const ONLY_HOSTS: bool = true;
1483 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1484 run.krate("rustc-main")
1487 fn make_run(run: RunConfig<'_>) {
1488 let builder = run.builder;
1489 let compiler = builder.compiler(builder.top_stage, run.host);
1491 for krate in builder.in_tree_crates("rustc-main") {
1492 if run.path.ends_with(&krate.path) {
1493 let test_kind = builder.kind.into();
1495 builder.ensure(CrateLibrustc {
1505 fn run(self, builder: &Builder<'_>) {
1506 builder.ensure(Crate {
1507 compiler: self.compiler,
1508 target: self.target,
1510 test_kind: self.test_kind,
1516 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1517 pub struct CrateNotDefault {
1519 target: Interned<String>,
1520 test_kind: TestKind,
1521 krate: &'static str,
1524 impl Step for CrateNotDefault {
1527 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1528 run.path("src/librustc_asan")
1529 .path("src/librustc_lsan")
1530 .path("src/librustc_msan")
1531 .path("src/librustc_tsan")
1534 fn make_run(run: RunConfig<'_>) {
1535 let builder = run.builder;
1536 let compiler = builder.compiler(builder.top_stage, run.host);
1538 let test_kind = builder.kind.into();
1540 builder.ensure(CrateNotDefault {
1544 krate: match run.path {
1545 _ if run.path.ends_with("src/librustc_asan") => "rustc_asan",
1546 _ if run.path.ends_with("src/librustc_lsan") => "rustc_lsan",
1547 _ if run.path.ends_with("src/librustc_msan") => "rustc_msan",
1548 _ if run.path.ends_with("src/librustc_tsan") => "rustc_tsan",
1549 _ => panic!("unexpected path {:?}", run.path),
1554 fn run(self, builder: &Builder<'_>) {
1555 builder.ensure(Crate {
1556 compiler: self.compiler,
1557 target: self.target,
1559 test_kind: self.test_kind,
1560 krate: INTERNER.intern_str(self.krate),
1565 #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
1567 pub compiler: Compiler,
1568 pub target: Interned<String>,
1570 pub test_kind: TestKind,
1571 pub krate: Interned<String>,
1574 impl Step for Crate {
1576 const DEFAULT: bool = true;
1578 fn should_run(mut run: ShouldRun<'_>) -> ShouldRun<'_> {
1579 let builder = run.builder;
1580 run = run.krate("test");
1581 for krate in run.builder.in_tree_crates("std") {
1582 if !(krate.name.starts_with("rustc_") && krate.name.ends_with("san")) {
1583 run = run.path(krate.local_path(&builder).to_str().unwrap());
1589 fn make_run(run: RunConfig<'_>) {
1590 let builder = run.builder;
1591 let compiler = builder.compiler(builder.top_stage, run.host);
1593 let make = |mode: Mode, krate: &CargoCrate| {
1594 let test_kind = builder.kind.into();
1596 builder.ensure(Crate {
1605 for krate in builder.in_tree_crates("std") {
1606 if run.path.ends_with(&krate.local_path(&builder)) {
1607 make(Mode::Std, krate);
1610 for krate in builder.in_tree_crates("test") {
1611 if run.path.ends_with(&krate.local_path(&builder)) {
1612 make(Mode::Test, krate);
1617 /// Runs all unit tests plus documentation tests for a given crate defined
1618 /// by a `Cargo.toml` (single manifest)
1620 /// This is what runs tests for crates like the standard library, compiler, etc.
1621 /// It essentially is the driver for running `cargo test`.
1623 /// Currently this runs all tests for a DAG by passing a bunch of `-p foo`
1624 /// arguments, and those arguments are discovered from `cargo metadata`.
1625 fn run(self, builder: &Builder<'_>) {
1626 let compiler = self.compiler;
1627 let target = self.target;
1628 let mode = self.mode;
1629 let test_kind = self.test_kind;
1630 let krate = self.krate;
1632 builder.ensure(compile::Test { compiler, target });
1633 builder.ensure(RemoteCopyLibs { compiler, target });
1635 // If we're not doing a full bootstrap but we're testing a stage2 version of
1636 // libstd, then what we're actually testing is the libstd produced in
1637 // stage1. Reflect that here by updating the compiler that we're working
1638 // with automatically.
1639 let compiler = if builder.force_use_stage1(compiler, target) {
1640 builder.compiler(1, compiler.host)
1645 let mut cargo = builder.cargo(compiler, mode, target, test_kind.subcommand());
1648 compile::std_cargo(builder, &compiler, target, &mut cargo);
1651 compile::test_cargo(builder, &compiler, target, &mut cargo);
1654 builder.ensure(compile::Rustc { compiler, target });
1655 compile::rustc_cargo(builder, &mut cargo);
1657 _ => panic!("can only test libraries"),
1660 // Build up the base `cargo test` command.
1662 // Pass in some standard flags then iterate over the graph we've discovered
1663 // in `cargo metadata` with the maps above and figure out what `-p`
1664 // arguments need to get passed.
1665 if test_kind.subcommand() == "test" && !builder.fail_fast {
1666 cargo.arg("--no-fail-fast");
1668 match builder.doc_tests {
1673 cargo.args(&["--lib", "--bins", "--examples", "--tests", "--benches"]);
1678 cargo.arg("-p").arg(krate);
1680 // The tests are going to run with the *target* libraries, so we need to
1681 // ensure that those libraries show up in the LD_LIBRARY_PATH equivalent.
1683 // Note that to run the compiler we need to run with the *host* libraries,
1684 // but our wrapper scripts arrange for that to be the case anyway.
1685 let mut dylib_path = dylib_path();
1686 dylib_path.insert(0, PathBuf::from(&*builder.sysroot_libdir(compiler, target)));
1687 cargo.env(dylib_path_var(), env::join_paths(&dylib_path).unwrap());
1690 cargo.args(&builder.config.cmd.test_args());
1692 if !builder.config.verbose_tests {
1693 cargo.arg("--quiet");
1696 if target.contains("emscripten") {
1698 format!("CARGO_TARGET_{}_RUNNER", envify(&target)),
1703 .expect("nodejs not configured"),
1705 } else if target.starts_with("wasm32") {
1706 // Warn about running tests without the `wasm_syscall` feature enabled.
1707 // The javascript shim implements the syscall interface so that test
1708 // output can be correctly reported.
1709 if !builder.config.wasm_syscall {
1711 "Libstd was built without `wasm_syscall` feature enabled: \
1712 test output may not be visible."
1716 // On the wasm32-unknown-unknown target we're using LTO which is
1717 // incompatible with `-C prefer-dynamic`, so disable that here
1718 cargo.env("RUSTC_NO_PREFER_DYNAMIC", "1");
1724 .expect("nodejs not configured");
1725 let runner = format!(
1726 "{} {}/src/etc/wasm32-shim.js",
1728 builder.src.display()
1730 cargo.env(format!("CARGO_TARGET_{}_RUNNER", envify(&target)), &runner);
1731 } else if builder.remote_tested(target) {
1733 format!("CARGO_TARGET_{}_RUNNER", envify(&target)),
1734 format!("{} run", builder.tool_exe(Tool::RemoteTestClient).display()),
1738 let _folder = builder.fold_output(|| {
1741 test_kind.subcommand(),
1746 builder.info(&format!(
1747 "{} {} stage{} ({} -> {})",
1748 test_kind, krate, compiler.stage, &compiler.host, target
1750 let _time = util::timeit(&builder);
1751 try_run(builder, &mut cargo);
1755 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1756 pub struct CrateRustdoc {
1757 host: Interned<String>,
1758 test_kind: TestKind,
1761 impl Step for CrateRustdoc {
1763 const DEFAULT: bool = true;
1764 const ONLY_HOSTS: bool = true;
1766 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1767 run.paths(&["src/librustdoc", "src/tools/rustdoc"])
1770 fn make_run(run: RunConfig<'_>) {
1771 let builder = run.builder;
1773 let test_kind = builder.kind.into();
1775 builder.ensure(CrateRustdoc {
1781 fn run(self, builder: &Builder<'_>) {
1782 let test_kind = self.test_kind;
1784 let compiler = builder.compiler(builder.top_stage, self.host);
1785 let target = compiler.host;
1786 builder.ensure(compile::Rustc { compiler, target });
1788 let mut cargo = tool::prepare_tool_cargo(builder,
1792 test_kind.subcommand(),
1793 "src/tools/rustdoc",
1796 if test_kind.subcommand() == "test" && !builder.fail_fast {
1797 cargo.arg("--no-fail-fast");
1800 cargo.arg("-p").arg("rustdoc:0.0.0");
1803 cargo.args(&builder.config.cmd.test_args());
1805 if !builder.config.verbose_tests {
1806 cargo.arg("--quiet");
1809 let _folder = builder
1810 .fold_output(|| format!("{}_stage{}-rustdoc", test_kind.subcommand(), compiler.stage));
1811 builder.info(&format!(
1812 "{} rustdoc stage{} ({} -> {})",
1813 test_kind, compiler.stage, &compiler.host, target
1815 let _time = util::timeit(&builder);
1817 try_run(builder, &mut cargo);
1821 fn envify(s: &str) -> String {
1827 .flat_map(|c| c.to_uppercase())
1831 /// Some test suites are run inside emulators or on remote devices, and most
1832 /// of our test binaries are linked dynamically which means we need to ship
1833 /// the standard library and such to the emulator ahead of time. This step
1834 /// represents this and is a dependency of all test suites.
1836 /// Most of the time this is a no-op. For some steps such as shipping data to
1837 /// QEMU we have to build our own tools so we've got conditional dependencies
1838 /// on those programs as well. Note that the remote test client is built for
1839 /// the build target (us) and the server is built for the target.
1840 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1841 pub struct RemoteCopyLibs {
1843 target: Interned<String>,
1846 impl Step for RemoteCopyLibs {
1849 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1853 fn run(self, builder: &Builder<'_>) {
1854 let compiler = self.compiler;
1855 let target = self.target;
1856 if !builder.remote_tested(target) {
1860 builder.ensure(compile::Test { compiler, target });
1862 builder.info(&format!("REMOTE copy libs to emulator ({})", target));
1863 t!(fs::create_dir_all(builder.out.join("tmp")));
1865 let server = builder.ensure(tool::RemoteTestServer {
1866 compiler: compiler.with_stage(0),
1870 // Spawn the emulator and wait for it to come online
1871 let tool = builder.tool_exe(Tool::RemoteTestClient);
1872 let mut cmd = Command::new(&tool);
1873 cmd.arg("spawn-emulator")
1876 .arg(builder.out.join("tmp"));
1877 if let Some(rootfs) = builder.qemu_rootfs(target) {
1880 builder.run(&mut cmd);
1882 // Push all our dylibs to the emulator
1883 for f in t!(builder.sysroot_libdir(compiler, target).read_dir()) {
1885 let name = f.file_name().into_string().unwrap();
1886 if util::is_dylib(&name) {
1887 builder.run(Command::new(&tool).arg("push").arg(f.path()));
1893 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1894 pub struct Distcheck;
1896 impl Step for Distcheck {
1899 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1900 run.path("distcheck")
1903 fn make_run(run: RunConfig<'_>) {
1904 run.builder.ensure(Distcheck);
1907 /// Runs "distcheck", a 'make check' from a tarball
1908 fn run(self, builder: &Builder<'_>) {
1909 builder.info("Distcheck");
1910 let dir = builder.out.join("tmp").join("distcheck");
1911 let _ = fs::remove_dir_all(&dir);
1912 t!(fs::create_dir_all(&dir));
1914 // Guarantee that these are built before we begin running.
1915 builder.ensure(dist::PlainSourceTarball);
1916 builder.ensure(dist::Src);
1918 let mut cmd = Command::new("tar");
1920 .arg(builder.ensure(dist::PlainSourceTarball))
1921 .arg("--strip-components=1")
1923 builder.run(&mut cmd);
1925 Command::new("./configure")
1926 .args(&builder.config.configure_args)
1927 .arg("--enable-vendor")
1931 Command::new(build_helper::make(&builder.config.build))
1936 // Now make sure that rust-src has all of libstd's dependencies
1937 builder.info("Distcheck rust-src");
1938 let dir = builder.out.join("tmp").join("distcheck-src");
1939 let _ = fs::remove_dir_all(&dir);
1940 t!(fs::create_dir_all(&dir));
1942 let mut cmd = Command::new("tar");
1944 .arg(builder.ensure(dist::Src))
1945 .arg("--strip-components=1")
1947 builder.run(&mut cmd);
1949 let toml = dir.join("rust-src/lib/rustlib/src/rust/src/libstd/Cargo.toml");
1951 Command::new(&builder.initial_cargo)
1952 .arg("generate-lockfile")
1953 .arg("--manifest-path")
1960 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
1961 pub struct Bootstrap;
1963 impl Step for Bootstrap {
1965 const DEFAULT: bool = true;
1966 const ONLY_HOSTS: bool = true;
1968 /// Tests the build system itself.
1969 fn run(self, builder: &Builder<'_>) {
1970 let mut cmd = Command::new(&builder.initial_cargo);
1972 .current_dir(builder.src.join("src/bootstrap"))
1973 .env("RUSTFLAGS", "-Cdebuginfo=2")
1974 .env("CARGO_TARGET_DIR", builder.out.join("bootstrap"))
1975 .env("RUSTC_BOOTSTRAP", "1")
1976 .env("RUSTC", &builder.initial_rustc);
1977 if let Some(flags) = option_env!("RUSTFLAGS") {
1978 // Use the same rustc flags for testing as for "normal" compilation,
1979 // so that Cargo doesn’t recompile the entire dependency graph every time:
1980 // https://github.com/rust-lang/rust/issues/49215
1981 cmd.env("RUSTFLAGS", flags);
1983 if !builder.fail_fast {
1984 cmd.arg("--no-fail-fast");
1986 cmd.arg("--").args(&builder.config.cmd.test_args());
1987 // rustbuild tests are racy on directory creation so just run them one at a time.
1988 // Since there's not many this shouldn't be a problem.
1989 cmd.arg("--test-threads=1");
1990 try_run(builder, &mut cmd);
1993 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
1994 run.path("src/bootstrap")
1997 fn make_run(run: RunConfig<'_>) {
1998 run.builder.ensure(Bootstrap);