Struct bootstrap::Build

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pub struct Build {
Show 33 fields pub(crate) config: Config, pub(crate) version: String, pub(crate) src: PathBuf, pub(crate) out: PathBuf, pub(crate) bootstrap_out: PathBuf, pub(crate) cargo_info: GitInfo, pub(crate) rust_analyzer_info: GitInfo, pub(crate) clippy_info: GitInfo, pub(crate) miri_info: GitInfo, pub(crate) rustfmt_info: GitInfo, pub(crate) in_tree_llvm_info: GitInfo, pub(crate) local_rebuild: bool, pub(crate) fail_fast: bool, pub(crate) doc_tests: DocTests, pub(crate) verbosity: usize, pub(crate) build: TargetSelection, pub(crate) hosts: Vec<TargetSelection>, pub(crate) targets: Vec<TargetSelection>, pub(crate) initial_rustc: PathBuf, pub(crate) initial_cargo: PathBuf, pub(crate) initial_lld: PathBuf, pub(crate) initial_libdir: PathBuf, pub(crate) initial_sysroot: PathBuf, pub(crate) cc: RefCell<HashMap<TargetSelection, Tool>>, pub(crate) cxx: RefCell<HashMap<TargetSelection, Tool>>, pub(crate) ar: RefCell<HashMap<TargetSelection, PathBuf>>, pub(crate) ranlib: RefCell<HashMap<TargetSelection, PathBuf>>, pub(crate) crates: HashMap<Interned<String>, Crate>, pub(crate) crate_paths: HashMap<PathBuf, Interned<String>>, pub(crate) is_sudo: bool, pub(crate) ci_env: CiEnv, pub(crate) delayed_failures: RefCell<Vec<String>>, pub(crate) prerelease_version: Cell<Option<u32>>,
}
Expand description

Global configuration for the build system.

This structure transitively contains all configuration for the build system. All filesystem-encoded configuration is in config, all flags are in flags, and then parsed or probed information is listed in the keys below.

This structure is a parameter of almost all methods in the build system, although most functions are implemented as free functions rather than methods specifically on this structure itself (to make it easier to organize).

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§config: Config

User-specified configuration from config.toml.

§version: String§src: PathBuf§out: PathBuf§bootstrap_out: PathBuf§cargo_info: GitInfo§rust_analyzer_info: GitInfo§clippy_info: GitInfo§miri_info: GitInfo§rustfmt_info: GitInfo§in_tree_llvm_info: GitInfo§local_rebuild: bool§fail_fast: bool§doc_tests: DocTests§verbosity: usize§build: TargetSelection§hosts: Vec<TargetSelection>§targets: Vec<TargetSelection>§initial_rustc: PathBuf§initial_cargo: PathBuf§initial_lld: PathBuf§initial_libdir: PathBuf§initial_sysroot: PathBuf§cc: RefCell<HashMap<TargetSelection, Tool>>§cxx: RefCell<HashMap<TargetSelection, Tool>>§ar: RefCell<HashMap<TargetSelection, PathBuf>>§ranlib: RefCell<HashMap<TargetSelection, PathBuf>>§crates: HashMap<Interned<String>, Crate>§crate_paths: HashMap<PathBuf, Interned<String>>§is_sudo: bool§ci_env: CiEnv§delayed_failures: RefCell<Vec<String>>§prerelease_version: Cell<Option<u32>>

Implementations§

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impl Build

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pub(crate) fn verbose(&self, msg: &str)

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pub(crate) fn is_verbose(&self) -> bool

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pub(crate) fn create(&self, path: &Path, s: &str)

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pub(crate) fn remove(&self, f: &Path)

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pub(crate) fn tempdir(&self) -> PathBuf

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pub(crate) fn download_rustc(&self) -> bool

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pub(crate) fn initial_rustfmt(&self) -> Option<PathBuf>

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impl Build

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pub fn new(config: Config) -> Build

Creates a new set of build configuration from the flags on the command line and the filesystem config.

By default all build output will be placed in the current directory.

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pub(crate) fn update_submodule(&self, relative_path: &Path)

Given a path to the directory of a submodule, update it.

relative_path should be relative to the root of the git repository, not an absolute path.

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pub fn update_existing_submodules(&self)

If any submodule has been initialized already, sync it unconditionally. This avoids contributors checking in a submodule change by accident.

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pub fn build(&mut self)

Executes the entire build, as configured by the flags and configuration.

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pub(crate) fn clear_if_dirty(&self, dir: &Path, input: &Path) -> bool

Clear out dir if input is newer.

After this executes, it will also ensure that dir exists.

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pub(crate) fn rust_info(&self) -> &GitInfo

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pub(crate) fn std_features(&self, target: TargetSelection) -> String

Gets the space-separated set of activated features for the standard library.

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pub(crate) fn rustc_features(&self, kind: Kind) -> String

Gets the space-separated set of activated features for the compiler.

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pub(crate) fn cargo_dir(&self) -> &'static str

Component directory that Cargo will produce output into (e.g. release/debug)

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pub(crate) fn tools_dir(&self, compiler: Compiler) -> PathBuf

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pub(crate) fn stage_out(&self, compiler: Compiler, mode: Mode) -> PathBuf

Returns the root directory for all output generated in a particular stage when running with a particular host compiler.

The mode indicates what the root directory is for.

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pub(crate) fn cargo_out( &self, compiler: Compiler, mode: Mode, target: TargetSelection ) -> PathBuf

Returns the root output directory for all Cargo output in a given stage, running a particular compiler, whether or not we’re building the standard library, and targeting the specified architecture.

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pub(crate) fn llvm_out(&self, target: TargetSelection) -> PathBuf

Root output directory for LLVM compiled for target

Note that if LLVM is configured externally then the directory returned will likely be empty.

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pub(crate) fn lld_out(&self, target: TargetSelection) -> PathBuf

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pub(crate) fn doc_out(&self, target: TargetSelection) -> PathBuf

Output directory for all documentation for a target

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pub(crate) fn json_doc_out(&self, target: TargetSelection) -> PathBuf

Output directory for all JSON-formatted documentation for a target

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pub(crate) fn test_out(&self, target: TargetSelection) -> PathBuf

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pub(crate) fn compiler_doc_out(&self, target: TargetSelection) -> PathBuf

Output directory for all documentation for a target

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pub(crate) fn md_doc_out(&self, target: TargetSelection) -> Interned<PathBuf>

Output directory for some generated md crate documentation for a target (temporary)

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pub(crate) fn is_rust_llvm(&self, target: TargetSelection) -> bool

Returns true if no custom llvm-config is set for the specified target.

If no custom llvm-config was specified then Rust’s llvm will be used.

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pub(crate) fn llvm_filecheck(&self, target: TargetSelection) -> PathBuf

Returns the path to FileCheck binary for the specified target

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pub(crate) fn native_dir(&self, target: TargetSelection) -> PathBuf

Directory for libraries built from C/C++ code and shared between stages.

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pub(crate) fn test_helpers_out(&self, target: TargetSelection) -> PathBuf

Root output directory for rust_test_helpers library compiled for target

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pub(crate) fn add_rust_test_threads(&self, cmd: &mut Command)

Adds the RUST_TEST_THREADS env var if necessary

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pub(crate) fn rustc_snapshot_libdir(&self) -> PathBuf

Returns the libdir of the snapshot compiler.

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pub(crate) fn rustc_snapshot_sysroot(&self) -> &Path

Returns the sysroot of the snapshot compiler.

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pub(crate) fn run(&self, cmd: &mut Command)

Runs a command, printing out nice contextual information if it fails.

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pub(crate) fn run_delaying_failure(&self, cmd: &mut Command) -> bool

Runs a command, printing out contextual info if it fails, and delaying errors until the build finishes.

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pub(crate) fn run_quiet(&self, cmd: &mut Command)

Runs a command, printing out nice contextual information if it fails.

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pub(crate) fn run_quiet_delaying_failure(&self, cmd: &mut Command) -> bool

Runs a command, printing out nice contextual information if it fails. Exits if the command failed to execute at all, otherwise returns its status.success().

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pub(crate) fn run_cmd<'a, C: Into<BootstrapCommand<'a>>>(&self, cmd: C) -> bool

A centralized function for running commands that do not return output.

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pub fn is_verbose_than(&self, level: usize) -> bool

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pub(crate) fn verbose_than(&self, level: usize, msg: &str)

Prints a message if this build is configured in more verbose mode than level.

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pub(crate) fn info(&self, msg: &str)

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pub(crate) fn msg_check( &self, what: impl Display, target: impl Into<Option<TargetSelection>> ) -> Option<Group>

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pub(crate) fn msg_doc( &self, compiler: Compiler, what: impl Display, target: impl Into<Option<TargetSelection>> + Copy ) -> Option<Group>

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pub(crate) fn msg_build( &self, compiler: Compiler, what: impl Display, target: impl Into<Option<TargetSelection>> ) -> Option<Group>

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pub(crate) fn msg( &self, action: impl Into<Kind>, stage: u32, what: impl Display, host: impl Into<Option<TargetSelection>>, target: impl Into<Option<TargetSelection>> ) -> Option<Group>

Return a Group guard for a Step that is built for each --stage.

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pub(crate) fn msg_unstaged( &self, action: impl Into<Kind>, what: impl Display, target: TargetSelection ) -> Option<Group>

Return a Group guard for a Step that is only built once and isn’t affected by --stage.

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pub(crate) fn msg_sysroot_tool( &self, action: impl Into<Kind>, stage: u32, what: impl Display, host: TargetSelection, target: TargetSelection ) -> Option<Group>

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pub(crate) fn group(&self, msg: &str) -> Option<Group>

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pub(crate) fn jobs(&self) -> u32

Returns the number of parallel jobs that have been configured for this build.

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pub(crate) fn debuginfo_map_to(&self, which: GitRepo) -> Option<String>

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pub(crate) fn cc(&self, target: TargetSelection) -> PathBuf

Returns the path to the C compiler for the target specified.

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pub(crate) fn cflags( &self, target: TargetSelection, which: GitRepo, c: CLang ) -> Vec<String>

Returns a list of flags to pass to the C compiler for the target specified.

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pub(crate) fn ar(&self, target: TargetSelection) -> Option<PathBuf>

Returns the path to the ar archive utility for the target specified.

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pub(crate) fn ranlib(&self, target: TargetSelection) -> Option<PathBuf>

Returns the path to the ranlib utility for the target specified.

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pub(crate) fn cxx(&self, target: TargetSelection) -> Result<PathBuf, String>

Returns the path to the C++ compiler for the target specified.

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pub(crate) fn linker(&self, target: TargetSelection) -> Option<PathBuf>

Returns the path to the linker for the given target if it needs to be overridden.

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pub(crate) fn is_lld_direct_linker(&self, target: TargetSelection) -> bool

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pub(crate) fn crt_static(&self, target: TargetSelection) -> Option<bool>

Returns if this target should statically link the C runtime, if specified

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pub(crate) fn musl_root(&self, target: TargetSelection) -> Option<&Path>

Returns the “musl root” for this target, if defined

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pub(crate) fn musl_libdir(&self, target: TargetSelection) -> Option<PathBuf>

Returns the “musl libdir” for this target.

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pub(crate) fn wasi_root(&self, target: TargetSelection) -> Option<&Path>

Returns the sysroot for the wasi target, if defined

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pub(crate) fn no_std(&self, target: TargetSelection) -> Option<bool>

Returns true if this is a no-std target, if defined

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pub(crate) fn remote_tested(&self, target: TargetSelection) -> bool

Returns true if the target will be tested using the remote-test-client and remote-test-server binaries.

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pub(crate) fn qemu_rootfs(&self, target: TargetSelection) -> Option<&Path>

Returns the root of the “rootfs” image that this target will be using, if one was configured.

If Some is returned then that means that tests for this target are emulated with QEMU and binaries will need to be shipped to the emulator.

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pub(crate) fn python(&self) -> &Path

Path to the python interpreter to use

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pub(crate) fn extended_error_dir(&self) -> PathBuf

Temporary directory that extended error information is emitted to.

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pub(crate) fn force_use_stage1( &self, stage: u32, target: TargetSelection ) -> bool

Tests whether the compiler compiling for target should be forced to use a stage1 compiler instead.

Currently, by default, the build system does not perform a “full bootstrap” by default where we compile the compiler three times. Instead, we compile the compiler two times. The final stage (stage2) just copies the libraries from the previous stage, which is what this method detects.

Here we return true if:

  • The build isn’t performing a full bootstrap
  • The compiler is in the final stage, 2
  • We’re not cross-compiling, so the artifacts are already available in stage1

When all of these conditions are met the build will lift artifacts from the previous stage forward.

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pub(crate) fn force_use_stage2(&self, stage: u32) -> bool

Checks whether the compiler compiling for target should be forced to use a stage2 compiler instead.

When we download the pre-compiled version of rustc and compiler stage is >= 2, it should be forced to use a stage2 compiler.

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pub(crate) fn release(&self, num: &str) -> String

Given num in the form “a.b.c” return a “release string” which describes the release version number.

For example on nightly this returns “a.b.c-nightly”, on beta it returns “a.b.c-beta.1” and on stable it just returns “a.b.c”.

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pub(crate) fn beta_prerelease_version(&self) -> u32

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pub(crate) fn rust_release(&self) -> String

Returns the value of release above for Rust itself.

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pub(crate) fn package_vers(&self, num: &str) -> String

Returns the “package version” for a component given the num release number.

The package version is typically what shows up in the names of tarballs. For channels like beta/nightly it’s just the channel name, otherwise it’s the num provided.

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pub(crate) fn rust_package_vers(&self) -> String

Returns the value of package_vers above for Rust itself.

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pub(crate) fn rust_version(&self) -> String

Returns the version string associated with this compiler for Rust itself.

Note that this is a descriptive string which includes the commit date, sha, version, etc.

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pub(crate) fn rust_sha(&self) -> Option<&str>

Returns the full commit hash.

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pub(crate) fn release_num(&self, package: &str) -> String

Returns the a.b.c version that the given package is at.

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pub(crate) fn unstable_features(&self) -> bool

Returns true if unstable features should be enabled for the compiler we’re building.

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pub(crate) fn in_tree_crates( &self, root: &str, target: Option<TargetSelection> ) -> Vec<&Crate>

Returns a Vec of all the dependencies of the given root crate, including transitive dependencies and the root itself. Only includes “local” crates (those in the local source tree, not from a registry).

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pub(crate) fn read_stamp_file( &self, stamp: &Path ) -> Vec<(PathBuf, DependencyType)>

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pub fn copy(&self, src: &Path, dst: &Path)

Copies a file from src to dst

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pub(crate) fn copy_internal( &self, src: &Path, dst: &Path, dereference_symlinks: bool )

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pub fn cp_r(&self, src: &Path, dst: &Path)

Copies the src directory recursively to dst. Both are assumed to exist when this function is called.

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pub fn cp_filtered( &self, src: &Path, dst: &Path, filter: &dyn Fn(&Path) -> bool )

Copies the src directory recursively to dst. Both are assumed to exist when this function is called. Unwanted files or directories can be skipped by returning false from the filter function.

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pub(crate) fn recurse_( &self, src: &Path, dst: &Path, relative: &Path, filter: &dyn Fn(&Path) -> bool )

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pub(crate) fn copy_to_folder(&self, src: &Path, dest_folder: &Path)

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pub(crate) fn install(&self, src: &Path, dstdir: &Path, perms: u32)

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pub(crate) fn read(&self, path: &Path) -> String

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pub(crate) fn create_dir(&self, dir: &Path)

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pub(crate) fn remove_dir(&self, dir: &Path)

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pub(crate) fn read_dir(&self, dir: &Path) -> impl Iterator<Item = DirEntry>

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pub(crate) fn ninja(&self) -> bool

Returns if config.ninja is enabled, and checks for ninja existence, exiting with a nicer error message if not.

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pub fn colored_stdout<R, F: FnOnce(&mut dyn WriteColor) -> R>(&self, f: F) -> R

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pub fn colored_stderr<R, F: FnOnce(&mut dyn WriteColor) -> R>(&self, f: F) -> R

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pub(crate) fn colored_stream_inner<R, F, C>( &self, constructor: C, is_tty: bool, f: F ) -> R
where C: Fn(ColorChoice) -> StandardStream, F: FnOnce(&mut dyn WriteColor) -> R,

Trait Implementations§

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impl Clone for Build

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fn clone(&self) -> Build

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

Auto Trait Implementations§

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impl !RefUnwindSafe for Build

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impl Send for Build

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impl !Sync for Build

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impl Unpin for Build

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impl UnwindSafe for Build

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 3384 bytes