2 use std::cell::{Cell, RefCell};
3 use std::collections::BTreeSet;
4 use std::collections::HashMap;
10 use std::path::{Path, PathBuf};
11 use std::process::Command;
12 use std::time::{Duration, Instant};
16 use crate::cache::{Cache, Interned, INTERNER};
21 use crate::flags::Subcommand;
26 use crate::util::{self, add_lib_path, exe, libdir};
27 use crate::{Build, DocTests, Mode, GitRepo};
29 pub use crate::Compiler;
31 use petgraph::graph::NodeIndex;
34 pub struct Builder<'a> {
39 stack: RefCell<Vec<Box<dyn Any>>>,
40 time_spent_on_dependencies: Cell<Duration>,
41 pub paths: Vec<PathBuf>,
42 graph_nodes: RefCell<HashMap<String, NodeIndex>>,
43 graph: RefCell<Graph<String, bool>>,
44 parent: Cell<Option<NodeIndex>>,
47 impl<'a> Deref for Builder<'a> {
50 fn deref(&self) -> &Self::Target {
55 pub trait Step: 'static + Clone + Debug + PartialEq + Eq + Hash {
56 /// `PathBuf` when directories are created or to return a `Compiler` once
57 /// it's been assembled.
60 const DEFAULT: bool = false;
62 /// If true, then this rule should be skipped if --target was specified, but --host was not
63 const ONLY_HOSTS: bool = false;
65 /// Primary function to execute this rule. Can call `builder.ensure()`
66 /// with other steps to run those.
67 fn run(self, builder: &Builder<'_>) -> Self::Output;
69 /// When bootstrap is passed a set of paths, this controls whether this rule
70 /// will execute. However, it does not get called in a "default" context
71 /// when we are not passed any paths; in that case, `make_run` is called
73 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_>;
75 /// Builds up a "root" rule, either as a default rule or from a path passed
78 /// When path is `None`, we are executing in a context where no paths were
79 /// passed. When `./x.py build` is run, for example, this rule could get
80 /// called if it is in the correct list below with a path of `None`.
81 fn make_run(_run: RunConfig<'_>) {
82 // It is reasonable to not have an implementation of make_run for rules
83 // who do not want to get called from the root context. This means that
84 // they are likely dependencies (e.g., sysroot creation) or similar, and
85 // as such calling them from ./x.py isn't logical.
90 pub struct RunConfig<'a> {
91 pub builder: &'a Builder<'a>,
92 pub host: Interned<String>,
93 pub target: Interned<String>,
97 struct StepDescription {
100 should_run: fn(ShouldRun<'_>) -> ShouldRun<'_>,
101 make_run: fn(RunConfig<'_>),
105 #[derive(Debug, Clone, PartialOrd, Ord, PartialEq, Eq)]
107 Set(BTreeSet<PathBuf>),
112 fn empty() -> PathSet {
113 PathSet::Set(BTreeSet::new())
116 fn one<P: Into<PathBuf>>(path: P) -> PathSet {
117 let mut set = BTreeSet::new();
118 set.insert(path.into());
122 fn has(&self, needle: &Path) -> bool {
124 PathSet::Set(set) => set.iter().any(|p| p.ends_with(needle)),
125 PathSet::Suite(suite) => suite.ends_with(needle),
129 fn path(&self, builder: &Builder<'_>) -> PathBuf {
131 PathSet::Set(set) => set
134 .unwrap_or(&builder.build.src)
136 PathSet::Suite(path) => PathBuf::from(path),
141 impl StepDescription {
142 fn from<S: Step>() -> StepDescription {
145 only_hosts: S::ONLY_HOSTS,
146 should_run: S::should_run,
147 make_run: S::make_run,
148 name: unsafe { ::std::intrinsics::type_name::<S>() },
152 fn maybe_run(&self, builder: &Builder<'_>, pathset: &PathSet) {
153 if builder.config.exclude.iter().any(|e| pathset.has(e)) {
154 eprintln!("Skipping {:?} because it is excluded", pathset);
156 } else if !builder.config.exclude.is_empty() {
158 "{:?} not skipped for {:?} -- not in {:?}",
159 pathset, self.name, builder.config.exclude
162 let hosts = &builder.hosts;
164 // Determine the targets participating in this rule.
165 let targets = if self.only_hosts {
166 if builder.config.skip_only_host_steps {
167 return; // don't run anything
176 for target in targets {
177 let run = RunConfig {
179 path: pathset.path(builder),
183 (self.make_run)(run);
188 fn run(v: &[StepDescription], builder: &Builder<'_>, paths: &[PathBuf]) {
191 .map(|desc| (desc.should_run)(ShouldRun::new(builder)))
192 .collect::<Vec<_>>();
194 // sanity checks on rules
195 for (desc, should_run) in v.iter().zip(&should_runs) {
197 !should_run.paths.is_empty(),
198 "{:?} should have at least one pathset",
203 if paths.is_empty() {
204 for (desc, should_run) in v.iter().zip(should_runs) {
205 if desc.default && should_run.is_really_default {
206 for pathset in &should_run.paths {
207 desc.maybe_run(builder, pathset);
213 // strip CurDir prefix if present
214 let path = match path.strip_prefix(".") {
219 let mut attempted_run = false;
220 for (desc, should_run) in v.iter().zip(&should_runs) {
221 if let Some(suite) = should_run.is_suite_path(path) {
222 attempted_run = true;
223 desc.maybe_run(builder, suite);
224 } else if let Some(pathset) = should_run.pathset_for_path(path) {
225 attempted_run = true;
226 desc.maybe_run(builder, pathset);
231 panic!("Error: no rules matched {}.", path.display());
239 pub struct ShouldRun<'a> {
240 pub builder: &'a Builder<'a>,
241 // use a BTreeSet to maintain sort order
242 paths: BTreeSet<PathSet>,
244 // If this is a default rule, this is an additional constraint placed on
245 // its run. Generally something like compiler docs being enabled.
246 is_really_default: bool,
249 impl<'a> ShouldRun<'a> {
250 fn new(builder: &'a Builder<'_>) -> ShouldRun<'a> {
253 paths: BTreeSet::new(),
254 is_really_default: true, // by default no additional conditions
258 pub fn default_condition(mut self, cond: bool) -> Self {
259 self.is_really_default = cond;
263 // Unlike `krate` this will create just one pathset. As such, it probably shouldn't actually
264 // ever be used, but as we transition to having all rules properly handle passing krate(...) by
265 // actually doing something different for every crate passed.
266 pub fn all_krates(mut self, name: &str) -> Self {
267 let mut set = BTreeSet::new();
268 for krate in self.builder.in_tree_crates(name) {
269 set.insert(PathBuf::from(&krate.path));
271 self.paths.insert(PathSet::Set(set));
275 pub fn krate(mut self, name: &str) -> Self {
276 for krate in self.builder.in_tree_crates(name) {
277 self.paths.insert(PathSet::one(&krate.path));
282 // single, non-aliased path
283 pub fn path(self, path: &str) -> Self {
287 // multiple aliases for the same job
288 pub fn paths(mut self, paths: &[&str]) -> Self {
290 .insert(PathSet::Set(paths.iter().map(PathBuf::from).collect()));
294 pub fn is_suite_path(&self, path: &Path) -> Option<&PathSet> {
295 self.paths.iter().find(|pathset| match pathset {
296 PathSet::Suite(p) => path.starts_with(p),
297 PathSet::Set(_) => false,
301 pub fn suite_path(mut self, suite: &str) -> Self {
302 self.paths.insert(PathSet::Suite(PathBuf::from(suite)));
306 // allows being more explicit about why should_run in Step returns the value passed to it
307 pub fn never(mut self) -> ShouldRun<'a> {
308 self.paths.insert(PathSet::empty());
312 fn pathset_for_path(&self, path: &Path) -> Option<&PathSet> {
313 self.paths.iter().find(|pathset| pathset.has(path))
317 #[derive(Copy, Clone, PartialEq, Eq, Debug)]
330 impl<'a> Builder<'a> {
331 fn get_step_descriptions(kind: Kind) -> Vec<StepDescription> {
332 macro_rules! describe {
333 ($($rule:ty),+ $(,)?) => {{
334 vec![$(StepDescription::from::<$rule>()),+]
338 Kind::Build => describe!(
342 compile::CodegenBackend,
343 compile::StartupObjects,
347 tool::UnstableBookGen,
352 tool::RemoteTestServer,
353 tool::RemoteTestClient,
364 Kind::Check | Kind::Clippy | Kind::Fix => describe!(
368 check::CodegenBackend,
371 Kind::Test => describe!(
377 test::RunPassValgrind,
385 test::RunPassFullDeps,
390 test::RunPassValgrindPretty,
400 test::RunMakeFullDeps,
413 test::CompiletestTest,
415 test::RustdocJSNotStd,
418 // Run bootstrap close to the end as it's unlikely to fail
420 // Run run-make last, since these won't pass without make on Windows
423 Kind::Bench => describe!(test::Crate, test::CrateLibrustc),
424 Kind::Doc => describe!(
426 doc::UnstableBookGen,
431 doc::WhitelistedRustc,
444 Kind::Dist => describe!(
449 dist::DebuggerScripts,
453 dist::PlainSourceTarball,
464 Kind::Install => describe!(
479 pub fn get_help(build: &Build, subcommand: &str) -> Option<String> {
480 let kind = match subcommand {
481 "build" => Kind::Build,
483 "test" => Kind::Test,
484 "bench" => Kind::Bench,
485 "dist" => Kind::Dist,
486 "install" => Kind::Install,
490 let builder = Builder {
492 top_stage: build.config.stage.unwrap_or(2),
495 stack: RefCell::new(Vec::new()),
496 time_spent_on_dependencies: Cell::new(Duration::new(0, 0)),
498 graph_nodes: RefCell::new(HashMap::new()),
499 graph: RefCell::new(Graph::new()),
500 parent: Cell::new(None),
503 let builder = &builder;
504 let mut should_run = ShouldRun::new(builder);
505 for desc in Builder::get_step_descriptions(builder.kind) {
506 should_run = (desc.should_run)(should_run);
508 let mut help = String::from("Available paths:\n");
509 for pathset in should_run.paths {
510 if let PathSet::Set(set) = pathset {
511 set.iter().for_each(|path| {
513 format!(" ./x.py {} {}\n", subcommand, path.display()).as_str(),
521 pub fn new(build: &Build) -> Builder<'_> {
522 let (kind, paths) = match build.config.cmd {
523 Subcommand::Build { ref paths } => (Kind::Build, &paths[..]),
524 Subcommand::Check { ref paths } => (Kind::Check, &paths[..]),
525 Subcommand::Clippy { ref paths } => (Kind::Clippy, &paths[..]),
526 Subcommand::Fix { ref paths } => (Kind::Fix, &paths[..]),
527 Subcommand::Doc { ref paths } => (Kind::Doc, &paths[..]),
528 Subcommand::Test { ref paths, .. } => (Kind::Test, &paths[..]),
529 Subcommand::Bench { ref paths, .. } => (Kind::Bench, &paths[..]),
530 Subcommand::Dist { ref paths } => (Kind::Dist, &paths[..]),
531 Subcommand::Install { ref paths } => (Kind::Install, &paths[..]),
532 Subcommand::Clean { .. } => panic!(),
535 let builder = Builder {
537 top_stage: build.config.stage.unwrap_or(2),
540 stack: RefCell::new(Vec::new()),
541 time_spent_on_dependencies: Cell::new(Duration::new(0, 0)),
542 paths: paths.to_owned(),
543 graph_nodes: RefCell::new(HashMap::new()),
544 graph: RefCell::new(Graph::new()),
545 parent: Cell::new(None),
548 if kind == Kind::Dist {
550 !builder.config.test_miri,
551 "Do not distribute with miri enabled.\n\
552 The distributed libraries would include all MIR (increasing binary size).
553 The distributed MIR would include validation statements."
560 pub fn execute_cli(&self) -> Graph<String, bool> {
561 self.run_step_descriptions(&Builder::get_step_descriptions(self.kind), &self.paths);
562 self.graph.borrow().clone()
565 pub fn default_doc(&self, paths: Option<&[PathBuf]>) {
566 let paths = paths.unwrap_or(&[]);
567 self.run_step_descriptions(&Builder::get_step_descriptions(Kind::Doc), paths);
570 fn run_step_descriptions(&self, v: &[StepDescription], paths: &[PathBuf]) {
571 StepDescription::run(v, self, paths);
574 /// Obtain a compiler at a given stage and for a given host. Explicitly does
575 /// not take `Compiler` since all `Compiler` instances are meant to be
576 /// obtained through this function, since it ensures that they are valid
577 /// (i.e., built and assembled).
578 pub fn compiler(&self, stage: u32, host: Interned<String>) -> Compiler {
579 self.ensure(compile::Assemble {
580 target_compiler: Compiler { stage, host },
584 /// Similar to `compiler`, except handles the full-bootstrap option to
585 /// silently use the stage1 compiler instead of a stage2 compiler if one is
588 /// Note that this does *not* have the side effect of creating
589 /// `compiler(stage, host)`, unlike `compiler` above which does have such
590 /// a side effect. The returned compiler here can only be used to compile
591 /// new artifacts, it can't be used to rely on the presence of a particular
594 /// See `force_use_stage1` for documentation on what each argument is.
598 host: Interned<String>,
599 target: Interned<String>,
601 if self.build.force_use_stage1(Compiler { stage, host }, target) {
602 self.compiler(1, self.config.build)
604 self.compiler(stage, host)
608 pub fn sysroot(&self, compiler: Compiler) -> Interned<PathBuf> {
609 self.ensure(compile::Sysroot { compiler })
612 /// Returns the libdir where the standard library and other artifacts are
613 /// found for a compiler's sysroot.
614 pub fn sysroot_libdir(
617 target: Interned<String>,
618 ) -> Interned<PathBuf> {
619 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
622 target: Interned<String>,
624 impl Step for Libdir {
625 type Output = Interned<PathBuf>;
627 fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
631 fn run(self, builder: &Builder<'_>) -> Interned<PathBuf> {
632 let compiler = self.compiler;
633 let config = &builder.build.config;
634 let lib = if compiler.stage >= 1 && config.libdir_relative().is_some() {
635 builder.build.config.libdir_relative().unwrap()
639 let sysroot = builder
640 .sysroot(self.compiler)
645 let _ = fs::remove_dir_all(&sysroot);
646 t!(fs::create_dir_all(&sysroot));
647 INTERNER.intern_path(sysroot)
650 self.ensure(Libdir { compiler, target })
653 pub fn sysroot_codegen_backends(&self, compiler: Compiler) -> PathBuf {
654 self.sysroot_libdir(compiler, compiler.host)
655 .with_file_name(self.config.rust_codegen_backends_dir.clone())
658 /// Returns the compiler's libdir where it stores the dynamic libraries that
659 /// it itself links against.
661 /// For example this returns `<sysroot>/lib` on Unix and `<sysroot>/bin` on
663 pub fn rustc_libdir(&self, compiler: Compiler) -> PathBuf {
664 if compiler.is_snapshot(self) {
665 self.rustc_snapshot_libdir()
667 match self.config.libdir_relative() {
668 Some(relative_libdir) if compiler.stage >= 1
669 => self.sysroot(compiler).join(relative_libdir),
670 _ => self.sysroot(compiler).join(libdir(&compiler.host))
675 /// Returns the compiler's relative libdir where it stores the dynamic libraries that
676 /// it itself links against.
678 /// For example this returns `lib` on Unix and `bin` on
680 pub fn libdir_relative(&self, compiler: Compiler) -> &Path {
681 if compiler.is_snapshot(self) {
682 libdir(&self.config.build).as_ref()
684 match self.config.libdir_relative() {
685 Some(relative_libdir) if compiler.stage >= 1
687 _ => libdir(&compiler.host).as_ref()
692 /// Adds the compiler's directory of dynamic libraries to `cmd`'s dynamic
693 /// library lookup path.
694 pub fn add_rustc_lib_path(&self, compiler: Compiler, cmd: &mut Command) {
695 // Windows doesn't need dylib path munging because the dlls for the
696 // compiler live next to the compiler and the system will find them
702 add_lib_path(vec![self.rustc_libdir(compiler)], cmd);
705 /// Gets a path to the compiler specified.
706 pub fn rustc(&self, compiler: Compiler) -> PathBuf {
707 if compiler.is_snapshot(self) {
708 self.initial_rustc.clone()
710 self.sysroot(compiler)
712 .join(exe("rustc", &compiler.host))
716 /// Gets the paths to all of the compiler's codegen backends.
717 fn codegen_backends(&self, compiler: Compiler) -> impl Iterator<Item = PathBuf> {
718 fs::read_dir(self.sysroot_codegen_backends(compiler))
721 .filter_map(Result::ok)
722 .map(|entry| entry.path())
725 pub fn rustdoc(&self, compiler: Compiler) -> PathBuf {
726 self.ensure(tool::Rustdoc { compiler })
729 pub fn rustdoc_cmd(&self, compiler: Compiler) -> Command {
730 let mut cmd = Command::new(&self.out.join("bootstrap/debug/rustdoc"));
731 cmd.env("RUSTC_STAGE", compiler.stage.to_string())
732 .env("RUSTC_SYSROOT", self.sysroot(compiler))
733 // Note that this is *not* the sysroot_libdir because rustdoc must be linked
734 // equivalently to rustc.
735 .env("RUSTDOC_LIBDIR", self.rustc_libdir(compiler))
736 .env("CFG_RELEASE_CHANNEL", &self.config.channel)
737 .env("RUSTDOC_REAL", self.rustdoc(compiler))
738 .env("RUSTDOC_CRATE_VERSION", self.rust_version())
739 .env("RUSTC_BOOTSTRAP", "1");
741 // Remove make-related flags that can cause jobserver problems.
742 cmd.env_remove("MAKEFLAGS");
743 cmd.env_remove("MFLAGS");
745 if let Some(linker) = self.linker(compiler.host) {
746 cmd.env("RUSTC_TARGET_LINKER", linker);
751 /// Prepares an invocation of `cargo` to be run.
753 /// This will create a `Command` that represents a pending execution of
754 /// Cargo. This cargo will be configured to use `compiler` as the actual
755 /// rustc compiler, its output will be scoped by `mode`'s output directory,
756 /// it will pass the `--target` flag for the specified `target`, and will be
757 /// executing the Cargo command `cmd`.
762 target: Interned<String>,
765 let mut cargo = Command::new(&self.initial_cargo);
766 let out_dir = self.stage_out(compiler, mode);
768 // command specific path, we call clear_if_dirty with this
769 let mut my_out = match cmd {
770 "build" => self.cargo_out(compiler, mode, target),
772 // This is the intended out directory for crate documentation.
773 "doc" | "rustdoc" => self.crate_doc_out(target),
775 _ => self.stage_out(compiler, mode),
778 // This is for the original compiler, but if we're forced to use stage 1, then
779 // std/test/rustc stamps won't exist in stage 2, so we need to get those from stage 1, since
780 // we copy the libs forward.
781 let cmp = self.compiler_for(compiler.stage, compiler.host, target);
783 let libstd_stamp = match cmd {
784 "check" | "clippy" | "fix" => check::libstd_stamp(self, cmp, target),
785 _ => compile::libstd_stamp(self, cmp, target),
788 let libtest_stamp = match cmd {
789 "check" | "clippy" | "fix" => check::libtest_stamp(self, cmp, target),
790 _ => compile::libstd_stamp(self, cmp, target),
793 let librustc_stamp = match cmd {
794 "check" | "clippy" | "fix" => check::librustc_stamp(self, cmp, target),
795 _ => compile::librustc_stamp(self, cmp, target),
798 if cmd == "doc" || cmd == "rustdoc" {
799 if mode == Mode::Rustc || mode == Mode::ToolRustc || mode == Mode::Codegen {
800 // This is the intended out directory for compiler documentation.
801 my_out = self.compiler_doc_out(target);
803 let rustdoc = self.rustdoc(compiler);
804 self.clear_if_dirty(&my_out, &rustdoc);
805 } else if cmd != "test" {
808 self.clear_if_dirty(&my_out, &self.rustc(compiler));
809 for backend in self.codegen_backends(compiler) {
810 self.clear_if_dirty(&my_out, &backend);
814 self.clear_if_dirty(&my_out, &libstd_stamp);
817 self.clear_if_dirty(&my_out, &self.rustc(compiler));
818 self.clear_if_dirty(&my_out, &libstd_stamp);
819 self.clear_if_dirty(&my_out, &libtest_stamp);
822 self.clear_if_dirty(&my_out, &librustc_stamp);
824 Mode::ToolBootstrap => { },
826 self.clear_if_dirty(&my_out, &libstd_stamp);
829 self.clear_if_dirty(&my_out, &libstd_stamp);
830 self.clear_if_dirty(&my_out, &libtest_stamp);
833 self.clear_if_dirty(&my_out, &libstd_stamp);
834 self.clear_if_dirty(&my_out, &libtest_stamp);
835 self.clear_if_dirty(&my_out, &librustc_stamp);
841 .env("CARGO_TARGET_DIR", out_dir)
844 // See comment in librustc_llvm/build.rs for why this is necessary, largely llvm-config
845 // needs to not accidentally link to libLLVM in stage0/lib.
846 cargo.env("REAL_LIBRARY_PATH_VAR", &util::dylib_path_var());
847 if let Some(e) = env::var_os(util::dylib_path_var()) {
848 cargo.env("REAL_LIBRARY_PATH", e);
851 if cmd != "install" {
852 cargo.arg("--target")
855 assert_eq!(target, compiler.host);
858 // Set a flag for `check`/`clippy`/`fix`, so that certain build
859 // scripts can do less work (e.g. not building/requiring LLVM).
860 if cmd == "check" || cmd == "clippy" || cmd == "fix" {
861 cargo.env("RUST_CHECK", "1");
865 Mode::Std | Mode::Test | Mode::ToolBootstrap | Mode::ToolStd | Mode::ToolTest=> {},
866 Mode::Rustc | Mode::Codegen | Mode::ToolRustc => {
867 // Build proc macros both for the host and the target
868 if target != compiler.host && cmd != "check" {
869 cargo.arg("-Zdual-proc-macros");
870 cargo.env("RUST_DUAL_PROC_MACROS", "1");
875 cargo.arg("-j").arg(self.jobs().to_string());
876 // Remove make-related flags to ensure Cargo can correctly set things up
877 cargo.env_remove("MAKEFLAGS");
878 cargo.env_remove("MFLAGS");
880 // FIXME: Temporary fix for https://github.com/rust-lang/cargo/issues/3005
881 // Force cargo to output binaries with disambiguating hashes in the name
882 let mut metadata = if compiler.stage == 0 {
883 // Treat stage0 like a special channel, whether it's a normal prior-
884 // release rustc or a local rebuild with the same version, so we
885 // never mix these libraries by accident.
886 "bootstrap".to_string()
888 self.config.channel.to_string()
890 // We want to make sure that none of the dependencies between
891 // std/test/rustc unify with one another. This is done for weird linkage
892 // reasons but the gist of the problem is that if librustc, libtest, and
893 // libstd all depend on libc from crates.io (which they actually do) we
894 // want to make sure they all get distinct versions. Things get really
895 // weird if we try to unify all these dependencies right now, namely
896 // around how many times the library is linked in dynamic libraries and
897 // such. If rustc were a static executable or if we didn't ship dylibs
898 // this wouldn't be a problem, but we do, so it is. This is in general
899 // just here to make sure things build right. If you can remove this and
900 // things still build right, please do!
902 Mode::Std => metadata.push_str("std"),
903 Mode::Test => metadata.push_str("test"),
906 cargo.env("__CARGO_DEFAULT_LIB_METADATA", &metadata);
909 if compiler.stage == 0 && self.local_rebuild {
910 // Assume the local-rebuild rustc already has stage1 features.
913 stage = compiler.stage;
916 let mut extra_args = env::var(&format!("RUSTFLAGS_STAGE_{}", stage)).unwrap_or_default();
918 let s = env::var("RUSTFLAGS_STAGE_NOT_0").unwrap_or_default();
919 if !extra_args.is_empty() {
920 extra_args.push_str(" ");
922 extra_args.push_str(&s);
926 extra_args.push_str("-Zforce-unstable-if-unmarked -Zunstable-options \
927 --json-rendered=termcolor");
930 if !extra_args.is_empty() {
935 env::var("RUSTFLAGS").unwrap_or_default(),
941 let want_rustdoc = self.doc_tests != DocTests::No;
943 // We synthetically interpret a stage0 compiler used to build tools as a
944 // "raw" compiler in that it's the exact snapshot we download. Normally
945 // the stage0 build means it uses libraries build by the stage0
946 // compiler, but for tools we just use the precompiled libraries that
948 let use_snapshot = mode == Mode::ToolBootstrap;
949 assert!(!use_snapshot || stage == 0 || self.local_rebuild);
951 let maybe_sysroot = self.sysroot(compiler);
952 let sysroot = if use_snapshot {
953 self.rustc_snapshot_sysroot()
957 let libdir = self.rustc_libdir(compiler);
959 // Customize the compiler we're running. Specify the compiler to cargo
960 // as our shim and then pass it some various options used to configure
961 // how the actual compiler itself is called.
963 // These variables are primarily all read by
964 // src/bootstrap/bin/{rustc.rs,rustdoc.rs}
966 .env("RUSTBUILD_NATIVE_DIR", self.native_dir(target))
967 .env("RUSTC", self.out.join("bootstrap/debug/rustc"))
968 .env("RUSTC_REAL", self.rustc(compiler))
969 .env("RUSTC_STAGE", stage.to_string())
971 "RUSTC_DEBUG_ASSERTIONS",
972 self.config.rust_debug_assertions.to_string(),
974 .env("RUSTC_SYSROOT", &sysroot)
975 .env("RUSTC_LIBDIR", &libdir)
976 .env("RUSTC_RPATH", self.config.rust_rpath.to_string())
977 .env("RUSTDOC", self.out.join("bootstrap/debug/rustdoc"))
980 if cmd == "doc" || cmd == "rustdoc" || (cmd == "test" && want_rustdoc) {
981 self.rustdoc(compiler)
983 PathBuf::from("/path/to/nowhere/rustdoc/not/required")
986 .env("TEST_MIRI", self.config.test_miri.to_string())
987 .env("RUSTC_ERROR_METADATA_DST", self.extended_error_dir());
989 if let Some(host_linker) = self.linker(compiler.host) {
990 cargo.env("RUSTC_HOST_LINKER", host_linker);
992 if let Some(target_linker) = self.linker(target) {
993 cargo.env("RUSTC_TARGET_LINKER", target_linker);
995 if let Some(ref error_format) = self.config.rustc_error_format {
996 cargo.env("RUSTC_ERROR_FORMAT", error_format);
998 if !(["build", "check", "clippy", "fix", "rustc"].contains(&cmd)) && want_rustdoc {
999 cargo.env("RUSTDOC_LIBDIR", self.rustc_libdir(compiler));
1002 let debuginfo_level = match mode {
1003 Mode::Rustc | Mode::Codegen => self.config.rust_debuginfo_level_rustc,
1004 Mode::Std | Mode::Test => self.config.rust_debuginfo_level_std,
1005 Mode::ToolBootstrap | Mode::ToolStd |
1006 Mode::ToolTest | Mode::ToolRustc => self.config.rust_debuginfo_level_tools,
1008 cargo.env("RUSTC_DEBUGINFO_LEVEL", debuginfo_level.to_string());
1010 if !mode.is_tool() {
1011 cargo.env("RUSTC_FORCE_UNSTABLE", "1");
1013 // Currently the compiler depends on crates from crates.io, and
1014 // then other crates can depend on the compiler (e.g., proc-macro
1015 // crates). Let's say, for example that rustc itself depends on the
1016 // bitflags crate. If an external crate then depends on the
1017 // bitflags crate as well, we need to make sure they don't
1018 // conflict, even if they pick the same version of bitflags. We'll
1019 // want to make sure that e.g., a plugin and rustc each get their
1020 // own copy of bitflags.
1022 // Cargo ensures that this works in general through the -C metadata
1023 // flag. This flag will frob the symbols in the binary to make sure
1024 // they're different, even though the source code is the exact
1025 // same. To solve this problem for the compiler we extend Cargo's
1026 // already-passed -C metadata flag with our own. Our rustc.rs
1027 // wrapper around the actual rustc will detect -C metadata being
1028 // passed and frob it with this extra string we're passing in.
1029 cargo.env("RUSTC_METADATA_SUFFIX", "rustc");
1032 if let Some(x) = self.crt_static(target) {
1033 cargo.env("RUSTC_CRT_STATIC", x.to_string());
1036 if let Some(x) = self.crt_static(compiler.host) {
1037 cargo.env("RUSTC_HOST_CRT_STATIC", x.to_string());
1040 if let Some(map) = self.build.debuginfo_map(GitRepo::Rustc) {
1041 cargo.env("RUSTC_DEBUGINFO_MAP", map);
1044 // Enable usage of unstable features
1045 cargo.env("RUSTC_BOOTSTRAP", "1");
1046 self.add_rust_test_threads(&mut cargo);
1048 // Almost all of the crates that we compile as part of the bootstrap may
1049 // have a build script, including the standard library. To compile a
1050 // build script, however, it itself needs a standard library! This
1051 // introduces a bit of a pickle when we're compiling the standard
1054 // To work around this we actually end up using the snapshot compiler
1055 // (stage0) for compiling build scripts of the standard library itself.
1056 // The stage0 compiler is guaranteed to have a libstd available for use.
1058 // For other crates, however, we know that we've already got a standard
1059 // library up and running, so we can use the normal compiler to compile
1060 // build scripts in that situation.
1061 if mode == Mode::Std {
1063 .env("RUSTC_SNAPSHOT", &self.initial_rustc)
1064 .env("RUSTC_SNAPSHOT_LIBDIR", self.rustc_snapshot_libdir());
1067 .env("RUSTC_SNAPSHOT", self.rustc(compiler))
1068 .env("RUSTC_SNAPSHOT_LIBDIR", self.rustc_libdir(compiler));
1071 if self.config.incremental {
1072 cargo.env("CARGO_INCREMENTAL", "1");
1074 // Don't rely on any default setting for incr. comp. in Cargo
1075 cargo.env("CARGO_INCREMENTAL", "0");
1078 if let Some(ref on_fail) = self.config.on_fail {
1079 cargo.env("RUSTC_ON_FAIL", on_fail);
1082 if self.config.print_step_timings {
1083 cargo.env("RUSTC_PRINT_STEP_TIMINGS", "1");
1086 if self.config.backtrace_on_ice {
1087 cargo.env("RUSTC_BACKTRACE_ON_ICE", "1");
1090 cargo.env("RUSTC_VERBOSE", self.verbosity.to_string());
1092 if self.config.deny_warnings {
1093 cargo.env("RUSTC_DENY_WARNINGS", "1");
1096 // Throughout the build Cargo can execute a number of build scripts
1097 // compiling C/C++ code and we need to pass compilers, archivers, flags, etc
1098 // obtained previously to those build scripts.
1099 // Build scripts use either the `cc` crate or `configure/make` so we pass
1100 // the options through environment variables that are fetched and understood by both.
1102 // FIXME: the guard against msvc shouldn't need to be here
1103 if target.contains("msvc") {
1104 if let Some(ref cl) = self.config.llvm_clang_cl {
1105 cargo.env("CC", cl).env("CXX", cl);
1108 let ccache = self.config.ccache.as_ref();
1109 let ccacheify = |s: &Path| {
1110 let ccache = match ccache {
1112 None => return s.display().to_string(),
1114 // FIXME: the cc-rs crate only recognizes the literal strings
1115 // `ccache` and `sccache` when doing caching compilations, so we
1116 // mirror that here. It should probably be fixed upstream to
1117 // accept a new env var or otherwise work with custom ccache
1120 "ccache" | "sccache" => format!("{} {}", ccache, s.display()),
1121 _ => s.display().to_string(),
1124 let cc = ccacheify(&self.cc(target));
1125 cargo.env(format!("CC_{}", target), &cc);
1127 let cflags = self.cflags(target, GitRepo::Rustc).join(" ");
1129 .env(format!("CFLAGS_{}", target), cflags.clone());
1131 if let Some(ar) = self.ar(target) {
1132 let ranlib = format!("{} s", ar.display());
1134 .env(format!("AR_{}", target), ar)
1135 .env(format!("RANLIB_{}", target), ranlib);
1138 if let Ok(cxx) = self.cxx(target) {
1139 let cxx = ccacheify(&cxx);
1141 .env(format!("CXX_{}", target), &cxx)
1142 .env(format!("CXXFLAGS_{}", target), cflags);
1146 if (cmd == "build" || cmd == "rustc")
1147 && mode == Mode::Std
1148 && self.config.extended
1149 && compiler.is_final_stage(self)
1151 cargo.env("RUSTC_SAVE_ANALYSIS", "api".to_string());
1154 // For `cargo doc` invocations, make rustdoc print the Rust version into the docs
1155 cargo.env("RUSTDOC_CRATE_VERSION", self.rust_version());
1157 // Environment variables *required* throughout the build
1159 // FIXME: should update code to not require this env var
1160 cargo.env("CFG_COMPILER_HOST_TRIPLE", target);
1162 // Set this for all builds to make sure doc builds also get it.
1163 cargo.env("CFG_RELEASE_CHANNEL", &self.config.channel);
1165 // This one's a bit tricky. As of the time of this writing the compiler
1166 // links to the `winapi` crate on crates.io. This crate provides raw
1167 // bindings to Windows system functions, sort of like libc does for
1168 // Unix. This crate also, however, provides "import libraries" for the
1169 // MinGW targets. There's an import library per dll in the windows
1170 // distribution which is what's linked to. These custom import libraries
1171 // are used because the winapi crate can reference Windows functions not
1172 // present in the MinGW import libraries.
1174 // For example MinGW may ship libdbghelp.a, but it may not have
1175 // references to all the functions in the dbghelp dll. Instead the
1176 // custom import library for dbghelp in the winapi crates has all this
1179 // Unfortunately for us though the import libraries are linked by
1180 // default via `-ldylib=winapi_foo`. That is, they're linked with the
1181 // `dylib` type with a `winapi_` prefix (so the winapi ones don't
1182 // conflict with the system MinGW ones). This consequently means that
1183 // the binaries we ship of things like rustc_codegen_llvm (aka the rustc_codegen_llvm
1184 // DLL) when linked against *again*, for example with procedural macros
1185 // or plugins, will trigger the propagation logic of `-ldylib`, passing
1186 // `-lwinapi_foo` to the linker again. This isn't actually available in
1187 // our distribution, however, so the link fails.
1189 // To solve this problem we tell winapi to not use its bundled import
1190 // libraries. This means that it will link to the system MinGW import
1191 // libraries by default, and the `-ldylib=foo` directives will still get
1192 // passed to the final linker, but they'll look like `-lfoo` which can
1193 // be resolved because MinGW has the import library. The downside is we
1194 // don't get newer functions from Windows, but we don't use any of them
1196 if !mode.is_tool() {
1197 cargo.env("WINAPI_NO_BUNDLED_LIBRARIES", "1");
1200 for _ in 1..self.verbosity {
1204 match (mode, self.config.rust_codegen_units_std, self.config.rust_codegen_units) {
1205 (Mode::Std, Some(n), _) |
1206 (Mode::Test, Some(n), _) |
1207 (_, _, Some(n)) => {
1208 cargo.env("RUSTC_CODEGEN_UNITS", n.to_string());
1211 // Don't set anything
1215 if self.config.rust_optimize {
1216 // FIXME: cargo bench/install do not accept `--release`
1217 if cmd != "bench" && cmd != "install" {
1218 cargo.arg("--release");
1222 if self.config.locked_deps {
1223 cargo.arg("--locked");
1225 if self.config.vendor || self.is_sudo {
1226 cargo.arg("--frozen");
1229 self.ci_env.force_coloring_in_ci(&mut cargo);
1234 /// Ensure that a given step is built, returning its output. This will
1235 /// cache the step, so it is safe (and good!) to call this as often as
1236 /// needed to ensure that all dependencies are built.
1237 pub fn ensure<S: Step>(&'a self, step: S) -> S::Output {
1239 let mut stack = self.stack.borrow_mut();
1240 for stack_step in stack.iter() {
1243 .downcast_ref::<S>()
1244 .map_or(true, |stack_step| *stack_step != step)
1248 let mut out = String::new();
1249 out += &format!("\n\nCycle in build detected when adding {:?}\n", step);
1250 for el in stack.iter().rev() {
1251 out += &format!("\t{:?}\n", el);
1255 if let Some(out) = self.cache.get(&step) {
1256 self.verbose(&format!("{}c {:?}", " ".repeat(stack.len()), step));
1259 let mut graph = self.graph.borrow_mut();
1260 let parent = self.parent.get();
1264 .entry(format!("{:?}", step))
1265 .or_insert_with(|| graph.add_node(format!("{:?}", step)));
1266 if let Some(parent) = parent {
1267 graph.add_edge(parent, us, false);
1273 self.verbose(&format!("{}> {:?}", " ".repeat(stack.len()), step));
1274 stack.push(Box::new(step.clone()));
1277 let prev_parent = self.parent.get();
1280 let mut graph = self.graph.borrow_mut();
1281 let parent = self.parent.get();
1285 .entry(format!("{:?}", step))
1286 .or_insert_with(|| graph.add_node(format!("{:?}", step)));
1287 self.parent.set(Some(us));
1288 if let Some(parent) = parent {
1289 graph.add_edge(parent, us, true);
1294 let start = Instant::now();
1295 let zero = Duration::new(0, 0);
1296 let parent = self.time_spent_on_dependencies.replace(zero);
1297 let out = step.clone().run(self);
1298 let dur = start.elapsed();
1299 let deps = self.time_spent_on_dependencies.replace(parent + dur);
1303 self.parent.set(prev_parent);
1305 if self.config.print_step_timings && dur > Duration::from_millis(100) {
1307 "[TIMING] {:?} -- {}.{:03}",
1310 dur.subsec_nanos() / 1_000_000
1315 let mut stack = self.stack.borrow_mut();
1316 let cur_step = stack.pop().expect("step stack empty");
1317 assert_eq!(cur_step.downcast_ref(), Some(&step));
1319 self.verbose(&format!(
1321 " ".repeat(self.stack.borrow().len()),
1324 self.cache.put(step, out.clone());
1332 use crate::config::Config;
1335 use pretty_assertions::assert_eq;
1337 fn configure(host: &[&str], target: &[&str]) -> Config {
1338 let mut config = Config::default_opts();
1339 // don't save toolstates
1340 config.save_toolstates = None;
1341 config.skip_only_host_steps = false;
1342 config.dry_run = true;
1343 // try to avoid spurious failures in dist where we create/delete each others file
1344 let dir = config.out.join("tmp-rustbuild-tests").join(
1347 .unwrap_or("unknown")
1350 t!(fs::create_dir_all(&dir));
1352 config.build = INTERNER.intern_str("A");
1353 config.hosts = vec![config.build]
1356 .chain(host.iter().map(|s| INTERNER.intern_str(s)))
1357 .collect::<Vec<_>>();
1358 config.targets = config
1362 .chain(target.iter().map(|s| INTERNER.intern_str(s)))
1363 .collect::<Vec<_>>();
1367 fn first<A, B>(v: Vec<(A, B)>) -> Vec<A> {
1368 v.into_iter().map(|(a, _)| a).collect::<Vec<_>>()
1372 fn dist_baseline() {
1373 let build = Build::new(configure(&[], &[]));
1374 let mut builder = Builder::new(&build);
1375 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Dist), &[]);
1377 let a = INTERNER.intern_str("A");
1380 first(builder.cache.all::<dist::Docs>()),
1381 &[dist::Docs { host: a },]
1384 first(builder.cache.all::<dist::Mingw>()),
1385 &[dist::Mingw { host: a },]
1388 first(builder.cache.all::<dist::Rustc>()),
1390 compiler: Compiler { host: a, stage: 2 }
1394 first(builder.cache.all::<dist::Std>()),
1396 compiler: Compiler { host: a, stage: 1 },
1400 assert_eq!(first(builder.cache.all::<dist::Src>()), &[dist::Src]);
1404 fn dist_with_targets() {
1405 let build = Build::new(configure(&[], &["B"]));
1406 let mut builder = Builder::new(&build);
1407 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Dist), &[]);
1409 let a = INTERNER.intern_str("A");
1410 let b = INTERNER.intern_str("B");
1413 first(builder.cache.all::<dist::Docs>()),
1415 dist::Docs { host: a },
1416 dist::Docs { host: b },
1420 first(builder.cache.all::<dist::Mingw>()),
1421 &[dist::Mingw { host: a }, dist::Mingw { host: b },]
1424 first(builder.cache.all::<dist::Rustc>()),
1426 compiler: Compiler { host: a, stage: 2 }
1430 first(builder.cache.all::<dist::Std>()),
1433 compiler: Compiler { host: a, stage: 1 },
1437 compiler: Compiler { host: a, stage: 2 },
1442 assert_eq!(first(builder.cache.all::<dist::Src>()), &[dist::Src]);
1446 fn dist_with_hosts() {
1447 let build = Build::new(configure(&["B"], &[]));
1448 let mut builder = Builder::new(&build);
1449 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Dist), &[]);
1451 let a = INTERNER.intern_str("A");
1452 let b = INTERNER.intern_str("B");
1455 first(builder.cache.all::<dist::Docs>()),
1457 dist::Docs { host: a },
1458 dist::Docs { host: b },
1462 first(builder.cache.all::<dist::Mingw>()),
1463 &[dist::Mingw { host: a }, dist::Mingw { host: b },]
1466 first(builder.cache.all::<dist::Rustc>()),
1469 compiler: Compiler { host: a, stage: 2 }
1472 compiler: Compiler { host: b, stage: 2 }
1477 first(builder.cache.all::<dist::Std>()),
1480 compiler: Compiler { host: a, stage: 1 },
1484 compiler: Compiler { host: a, stage: 1 },
1489 assert_eq!(first(builder.cache.all::<dist::Src>()), &[dist::Src]);
1493 fn dist_only_cross_host() {
1494 let a = INTERNER.intern_str("A");
1495 let b = INTERNER.intern_str("B");
1496 let mut build = Build::new(configure(&["B"], &[]));
1497 build.config.docs = false;
1498 build.config.extended = true;
1499 build.hosts = vec![b];
1500 let mut builder = Builder::new(&build);
1501 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Dist), &[]);
1504 first(builder.cache.all::<dist::Rustc>()),
1507 compiler: Compiler { host: b, stage: 2 }
1512 first(builder.cache.all::<compile::Rustc>()),
1515 compiler: Compiler { host: a, stage: 0 },
1519 compiler: Compiler { host: a, stage: 1 },
1527 fn dist_with_targets_and_hosts() {
1528 let build = Build::new(configure(&["B"], &["C"]));
1529 let mut builder = Builder::new(&build);
1530 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Dist), &[]);
1532 let a = INTERNER.intern_str("A");
1533 let b = INTERNER.intern_str("B");
1534 let c = INTERNER.intern_str("C");
1537 first(builder.cache.all::<dist::Docs>()),
1539 dist::Docs { host: a },
1540 dist::Docs { host: b },
1541 dist::Docs { host: c },
1545 first(builder.cache.all::<dist::Mingw>()),
1547 dist::Mingw { host: a },
1548 dist::Mingw { host: b },
1549 dist::Mingw { host: c },
1553 first(builder.cache.all::<dist::Rustc>()),
1556 compiler: Compiler { host: a, stage: 2 }
1559 compiler: Compiler { host: b, stage: 2 }
1564 first(builder.cache.all::<dist::Std>()),
1567 compiler: Compiler { host: a, stage: 1 },
1571 compiler: Compiler { host: a, stage: 1 },
1575 compiler: Compiler { host: a, stage: 2 },
1580 assert_eq!(first(builder.cache.all::<dist::Src>()), &[dist::Src]);
1584 fn dist_with_target_flag() {
1585 let mut config = configure(&["B"], &["C"]);
1586 config.skip_only_host_steps = true; // as-if --target=C was passed
1587 let build = Build::new(config);
1588 let mut builder = Builder::new(&build);
1589 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Dist), &[]);
1591 let a = INTERNER.intern_str("A");
1592 let b = INTERNER.intern_str("B");
1593 let c = INTERNER.intern_str("C");
1596 first(builder.cache.all::<dist::Docs>()),
1598 dist::Docs { host: a },
1599 dist::Docs { host: b },
1600 dist::Docs { host: c },
1604 first(builder.cache.all::<dist::Mingw>()),
1606 dist::Mingw { host: a },
1607 dist::Mingw { host: b },
1608 dist::Mingw { host: c },
1611 assert_eq!(first(builder.cache.all::<dist::Rustc>()), &[]);
1613 first(builder.cache.all::<dist::Std>()),
1616 compiler: Compiler { host: a, stage: 1 },
1620 compiler: Compiler { host: a, stage: 1 },
1624 compiler: Compiler { host: a, stage: 2 },
1629 assert_eq!(first(builder.cache.all::<dist::Src>()), &[]);
1633 fn dist_with_same_targets_and_hosts() {
1634 let build = Build::new(configure(&["B"], &["B"]));
1635 let mut builder = Builder::new(&build);
1636 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Dist), &[]);
1638 let a = INTERNER.intern_str("A");
1639 let b = INTERNER.intern_str("B");
1642 first(builder.cache.all::<dist::Docs>()),
1644 dist::Docs { host: a },
1645 dist::Docs { host: b },
1649 first(builder.cache.all::<dist::Mingw>()),
1650 &[dist::Mingw { host: a }, dist::Mingw { host: b },]
1653 first(builder.cache.all::<dist::Rustc>()),
1656 compiler: Compiler { host: a, stage: 2 }
1659 compiler: Compiler { host: b, stage: 2 }
1664 first(builder.cache.all::<dist::Std>()),
1667 compiler: Compiler { host: a, stage: 1 },
1671 compiler: Compiler { host: a, stage: 1 },
1676 assert_eq!(first(builder.cache.all::<dist::Src>()), &[dist::Src]);
1678 first(builder.cache.all::<compile::Std>()),
1681 compiler: Compiler { host: a, stage: 0 },
1685 compiler: Compiler { host: a, stage: 1 },
1689 compiler: Compiler { host: a, stage: 2 },
1693 compiler: Compiler { host: a, stage: 1 },
1697 compiler: Compiler { host: a, stage: 2 },
1703 first(builder.cache.all::<compile::Test>()),
1706 compiler: Compiler { host: a, stage: 0 },
1710 compiler: Compiler { host: a, stage: 1 },
1714 compiler: Compiler { host: a, stage: 2 },
1718 compiler: Compiler { host: a, stage: 1 },
1724 first(builder.cache.all::<compile::Assemble>()),
1727 target_compiler: Compiler { host: a, stage: 0 },
1730 target_compiler: Compiler { host: a, stage: 1 },
1733 target_compiler: Compiler { host: a, stage: 2 },
1736 target_compiler: Compiler { host: b, stage: 2 },
1743 fn build_default() {
1744 let build = Build::new(configure(&["B"], &["C"]));
1745 let mut builder = Builder::new(&build);
1746 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Build), &[]);
1748 let a = INTERNER.intern_str("A");
1749 let b = INTERNER.intern_str("B");
1750 let c = INTERNER.intern_str("C");
1752 assert!(!builder.cache.all::<compile::Std>().is_empty());
1753 assert!(!builder.cache.all::<compile::Assemble>().is_empty());
1755 first(builder.cache.all::<compile::Rustc>()),
1758 compiler: Compiler { host: a, stage: 0 },
1762 compiler: Compiler { host: a, stage: 1 },
1766 compiler: Compiler { host: a, stage: 2 },
1770 compiler: Compiler { host: b, stage: 2 },
1774 compiler: Compiler { host: a, stage: 1 },
1778 compiler: Compiler { host: a, stage: 2 },
1782 compiler: Compiler { host: b, stage: 2 },
1789 first(builder.cache.all::<compile::Test>()),
1792 compiler: Compiler { host: a, stage: 0 },
1796 compiler: Compiler { host: a, stage: 1 },
1800 compiler: Compiler { host: a, stage: 2 },
1804 compiler: Compiler { host: b, stage: 2 },
1808 compiler: Compiler { host: a, stage: 1 },
1812 compiler: Compiler { host: a, stage: 2 },
1816 compiler: Compiler { host: b, stage: 2 },
1820 compiler: Compiler { host: a, stage: 2 },
1824 compiler: Compiler { host: b, stage: 2 },
1832 fn build_with_target_flag() {
1833 let mut config = configure(&["B"], &["C"]);
1834 config.skip_only_host_steps = true;
1835 let build = Build::new(config);
1836 let mut builder = Builder::new(&build);
1837 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Build), &[]);
1839 let a = INTERNER.intern_str("A");
1840 let b = INTERNER.intern_str("B");
1841 let c = INTERNER.intern_str("C");
1843 assert!(!builder.cache.all::<compile::Std>().is_empty());
1845 first(builder.cache.all::<compile::Assemble>()),
1848 target_compiler: Compiler { host: a, stage: 0 },
1851 target_compiler: Compiler { host: a, stage: 1 },
1854 target_compiler: Compiler { host: a, stage: 2 },
1857 target_compiler: Compiler { host: b, stage: 2 },
1862 first(builder.cache.all::<compile::Rustc>()),
1865 compiler: Compiler { host: a, stage: 0 },
1869 compiler: Compiler { host: a, stage: 1 },
1873 compiler: Compiler { host: a, stage: 1 },
1880 first(builder.cache.all::<compile::Test>()),
1883 compiler: Compiler { host: a, stage: 0 },
1887 compiler: Compiler { host: a, stage: 1 },
1891 compiler: Compiler { host: a, stage: 2 },
1895 compiler: Compiler { host: b, stage: 2 },
1899 compiler: Compiler { host: a, stage: 1 },
1903 compiler: Compiler { host: a, stage: 2 },
1907 compiler: Compiler { host: b, stage: 2 },
1911 compiler: Compiler { host: a, stage: 2 },
1915 compiler: Compiler { host: b, stage: 2 },
1923 fn test_with_no_doc_stage0() {
1924 let mut config = configure(&[], &[]);
1925 config.stage = Some(0);
1926 config.cmd = Subcommand::Test {
1927 paths: vec!["src/libstd".into()],
1931 doc_tests: DocTests::No,
1934 rustfix_coverage: false,
1937 let build = Build::new(config);
1938 let mut builder = Builder::new(&build);
1940 let host = INTERNER.intern_str("A");
1942 builder.run_step_descriptions(
1943 &[StepDescription::from::<test::Crate>()],
1944 &["src/libstd".into()],
1947 // Ensure we don't build any compiler artifacts.
1948 assert!(!builder.cache.contains::<compile::Rustc>());
1950 first(builder.cache.all::<test::Crate>()),
1952 compiler: Compiler { host, stage: 0 },
1955 test_kind: test::TestKind::Test,
1956 krate: INTERNER.intern_str("std"),
1963 let mut config = configure(&[], &[]);
1964 config.exclude = vec![
1965 "src/test/run-pass".into(),
1966 "src/tools/tidy".into(),
1968 config.cmd = Subcommand::Test {
1970 test_args: Vec::new(),
1971 rustc_args: Vec::new(),
1973 doc_tests: DocTests::No,
1976 rustfix_coverage: false,
1979 let build = Build::new(config);
1980 let builder = Builder::new(&build);
1981 builder.run_step_descriptions(&Builder::get_step_descriptions(Kind::Test), &[]);
1983 // Ensure we have really excluded run-pass & tidy
1984 assert!(!builder.cache.contains::<test::RunPass>());
1985 assert!(!builder.cache.contains::<test::Tidy>());
1987 // Ensure other tests are not affected.
1988 assert!(builder.cache.contains::<test::RunPassFullDeps>());
1989 assert!(builder.cache.contains::<test::RustdocUi>());