use std::env;
use std::fs;
use std::path::{Path, PathBuf};
use crate::core::build_steps::compile;
use crate::core::build_steps::toolstate::ToolState;
use crate::core::builder;
use crate::core::builder::{Builder, Cargo as CargoCommand, RunConfig, ShouldRun, Step};
use crate::core::config::TargetSelection;
use crate::utils::channel::GitInfo;
use crate::utils::exec::{command, BootstrapCommand};
use crate::utils::helpers::{add_dylib_path, exe, get_closest_merge_base_commit, git, t};
use crate::Compiler;
use crate::Mode;
use crate::{gha, Kind};
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub enum SourceType {
InTree,
Submodule,
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
struct ToolBuild {
compiler: Compiler,
target: TargetSelection,
tool: &'static str,
path: &'static str,
mode: Mode,
source_type: SourceType,
extra_features: Vec<String>,
allow_features: &'static str,
cargo_args: Vec<String>,
}
impl Builder<'_> {
#[track_caller]
pub(crate) fn msg_tool(
&self,
kind: Kind,
mode: Mode,
tool: &str,
build_stage: u32,
host: &TargetSelection,
target: &TargetSelection,
) -> Option<gha::Group> {
match mode {
Mode::ToolRustc => self.msg_sysroot_tool(
kind,
build_stage,
format_args!("tool {tool}"),
*host,
*target,
),
_ => self.msg(Kind::Build, build_stage, format_args!("tool {tool}"), *host, *target),
}
}
}
impl Step for ToolBuild {
type Output = PathBuf;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.never()
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
let compiler = self.compiler;
let target = self.target;
let mut tool = self.tool;
let path = self.path;
match self.mode {
Mode::ToolRustc => {
builder.ensure(compile::Std::new(compiler, compiler.host));
builder.ensure(compile::Rustc::new(compiler, target));
}
Mode::ToolStd => builder.ensure(compile::Std::new(compiler, target)),
Mode::ToolBootstrap => {} _ => panic!("unexpected Mode for tool build"),
}
let mut cargo = prepare_tool_cargo(
builder,
compiler,
self.mode,
target,
"build",
path,
self.source_type,
&self.extra_features,
);
if !self.allow_features.is_empty() {
cargo.allow_features(self.allow_features);
}
cargo.args(self.cargo_args);
let _guard = builder.msg_tool(
Kind::Build,
self.mode,
self.tool,
self.compiler.stage,
&self.compiler.host,
&self.target,
);
let build_success = compile::stream_cargo(builder, cargo, vec![], &mut |_| {});
builder.save_toolstate(
tool,
if build_success { ToolState::TestFail } else { ToolState::BuildFail },
);
if !build_success {
crate::exit!(1);
} else {
if tool == "tidy" {
tool = "rust-tidy";
}
copy_link_tool_bin(builder, self.compiler, self.target, self.mode, tool)
}
}
}
#[allow(clippy::too_many_arguments)] pub fn prepare_tool_cargo(
builder: &Builder<'_>,
compiler: Compiler,
mode: Mode,
target: TargetSelection,
command: &'static str,
path: &str,
source_type: SourceType,
extra_features: &[String],
) -> CargoCommand {
let mut cargo = builder::Cargo::new(builder, compiler, mode, source_type, target, command);
let dir = builder.src.join(path);
cargo.arg("--manifest-path").arg(dir.join("Cargo.toml"));
let mut features = extra_features.to_vec();
if builder.build.config.cargo_native_static {
if path.ends_with("cargo")
|| path.ends_with("rls")
|| path.ends_with("clippy")
|| path.ends_with("miri")
|| path.ends_with("rustfmt")
{
cargo.env("LIBZ_SYS_STATIC", "1");
}
if path.ends_with("cargo") {
features.push("all-static".to_string());
}
}
cargo.env("SYSROOT", builder.sysroot(compiler));
cargo.env("LZMA_API_STATIC", "1");
cargo.env("CFG_RELEASE", builder.rust_release());
cargo.env("CFG_RELEASE_CHANNEL", &builder.config.channel);
cargo.env("CFG_VERSION", builder.rust_version());
cargo.env("CFG_RELEASE_NUM", &builder.version);
cargo.env("DOC_RUST_LANG_ORG_CHANNEL", builder.doc_rust_lang_org_channel());
if let Some(ref ver_date) = builder.rust_info().commit_date() {
cargo.env("CFG_VER_DATE", ver_date);
}
if let Some(ref ver_hash) = builder.rust_info().sha() {
cargo.env("CFG_VER_HASH", ver_hash);
}
let info = GitInfo::new(builder.config.omit_git_hash, &dir);
if let Some(sha) = info.sha() {
cargo.env("CFG_COMMIT_HASH", sha);
}
if let Some(sha_short) = info.sha_short() {
cargo.env("CFG_SHORT_COMMIT_HASH", sha_short);
}
if let Some(date) = info.commit_date() {
cargo.env("CFG_COMMIT_DATE", date);
}
if !features.is_empty() {
cargo.arg("--features").arg(features.join(", "));
}
cargo.rustflag("-Zunstable-options");
if !path.ends_with("cargo") {
cargo.rustflag("-Zon-broken-pipe=kill");
}
cargo
}
fn copy_link_tool_bin(
builder: &Builder<'_>,
compiler: Compiler,
target: TargetSelection,
mode: Mode,
name: &str,
) -> PathBuf {
let cargo_out = builder.cargo_out(compiler, mode, target).join(exe(name, target));
let bin = builder.tools_dir(compiler).join(exe(name, target));
builder.copy_link(&cargo_out, &bin);
bin
}
macro_rules! bootstrap_tool {
($(
$name:ident, $path:expr, $tool_name:expr
$(,is_external_tool = $external:expr)*
$(,is_unstable_tool = $unstable:expr)*
$(,allow_features = $allow_features:expr)?
;
)+) => {
#[derive(PartialEq, Eq, Clone)]
#[allow(dead_code)]
pub enum Tool {
$(
$name,
)+
}
impl<'a> Builder<'a> {
pub fn tool_exe(&self, tool: Tool) -> PathBuf {
match tool {
$(Tool::$name =>
self.ensure($name {
compiler: self.compiler(0, self.config.build),
target: self.config.build,
}),
)+
}
}
}
$(
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct $name {
pub compiler: Compiler,
pub target: TargetSelection,
}
impl Step for $name {
type Output = PathBuf;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.path($path)
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure($name {
compiler: run.builder.compiler(0, run.builder.config.build),
target: run.target,
});
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.target,
tool: $tool_name,
mode: if false $(|| $unstable)* {
Mode::ToolStd
} else {
Mode::ToolBootstrap
},
path: $path,
source_type: if false $(|| $external)* {
SourceType::Submodule
} else {
SourceType::InTree
},
extra_features: vec![],
allow_features: concat!($($allow_features)*),
cargo_args: vec![]
})
}
}
)+
}
}
bootstrap_tool!(
Rustbook, "src/tools/rustbook", "rustbook";
UnstableBookGen, "src/tools/unstable-book-gen", "unstable-book-gen";
Tidy, "src/tools/tidy", "tidy";
Linkchecker, "src/tools/linkchecker", "linkchecker";
CargoTest, "src/tools/cargotest", "cargotest";
Compiletest, "src/tools/compiletest", "compiletest", is_unstable_tool = true, allow_features = "test";
BuildManifest, "src/tools/build-manifest", "build-manifest";
RemoteTestClient, "src/tools/remote-test-client", "remote-test-client";
RustInstaller, "src/tools/rust-installer", "rust-installer";
RustdocTheme, "src/tools/rustdoc-themes", "rustdoc-themes";
LintDocs, "src/tools/lint-docs", "lint-docs";
JsonDocCk, "src/tools/jsondocck", "jsondocck";
JsonDocLint, "src/tools/jsondoclint", "jsondoclint";
HtmlChecker, "src/tools/html-checker", "html-checker";
BumpStage0, "src/tools/bump-stage0", "bump-stage0";
ReplaceVersionPlaceholder, "src/tools/replace-version-placeholder", "replace-version-placeholder";
CollectLicenseMetadata, "src/tools/collect-license-metadata", "collect-license-metadata";
GenerateCopyright, "src/tools/generate-copyright", "generate-copyright";
SuggestTests, "src/tools/suggest-tests", "suggest-tests";
GenerateWindowsSys, "src/tools/generate-windows-sys", "generate-windows-sys";
RustdocGUITest, "src/tools/rustdoc-gui-test", "rustdoc-gui-test", is_unstable_tool = true, allow_features = "test";
CoverageDump, "src/tools/coverage-dump", "coverage-dump";
RustcPerfWrapper, "src/tools/rustc-perf-wrapper", "rustc-perf-wrapper";
WasmComponentLd, "src/tools/wasm-component-ld", "wasm-component-ld", is_unstable_tool = true, allow_features = "min_specialization";
);
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct OptimizedDist {
pub compiler: Compiler,
pub target: TargetSelection,
}
impl Step for OptimizedDist {
type Output = PathBuf;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.path("src/tools/opt-dist")
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure(OptimizedDist {
compiler: run.builder.compiler(0, run.builder.config.build),
target: run.target,
});
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
builder.update_submodule(Path::new("src/tools/rustc-perf"));
builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.target,
tool: "opt-dist",
mode: Mode::ToolBootstrap,
path: "src/tools/opt-dist",
source_type: SourceType::InTree,
extra_features: Vec::new(),
allow_features: "",
cargo_args: Vec::new(),
})
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct RustcPerf {
pub compiler: Compiler,
pub target: TargetSelection,
}
impl Step for RustcPerf {
type Output = PathBuf;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.path("src/tools/rustc-perf")
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure(RustcPerf {
compiler: run.builder.compiler(0, run.builder.config.build),
target: run.target,
});
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
builder.update_submodule(Path::new("src/tools/rustc-perf"));
let tool = ToolBuild {
compiler: self.compiler,
target: self.target,
tool: "collector",
mode: Mode::ToolBootstrap,
path: "src/tools/rustc-perf",
source_type: SourceType::Submodule,
extra_features: Vec::new(),
allow_features: "",
cargo_args: vec!["-p".to_string(), "collector".to_string()],
};
let collector_bin = builder.ensure(tool.clone());
copy_link_tool_bin(builder, tool.compiler, tool.target, tool.mode, "rustc-fake");
collector_bin
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq, Ord, PartialOrd)]
pub struct ErrorIndex {
pub compiler: Compiler,
}
impl ErrorIndex {
pub fn command(builder: &Builder<'_>) -> BootstrapCommand {
let host = builder.config.build;
let compiler = builder.compiler_for(builder.top_stage, host, host);
let mut cmd = command(builder.ensure(ErrorIndex { compiler }));
let mut dylib_paths = builder.rustc_lib_paths(compiler);
dylib_paths.push(PathBuf::from(&builder.sysroot_libdir(compiler, compiler.host)));
add_dylib_path(dylib_paths, &mut cmd);
cmd
}
}
impl Step for ErrorIndex {
type Output = PathBuf;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.path("src/tools/error_index_generator")
}
fn make_run(run: RunConfig<'_>) {
let compiler =
run.builder.compiler(run.builder.top_stage.saturating_sub(1), run.builder.config.build);
run.builder.ensure(ErrorIndex { compiler });
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.compiler.host,
tool: "error_index_generator",
mode: Mode::ToolRustc,
path: "src/tools/error_index_generator",
source_type: SourceType::InTree,
extra_features: Vec::new(),
allow_features: "",
cargo_args: Vec::new(),
})
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct RemoteTestServer {
pub compiler: Compiler,
pub target: TargetSelection,
}
impl Step for RemoteTestServer {
type Output = PathBuf;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.path("src/tools/remote-test-server")
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure(RemoteTestServer {
compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
target: run.target,
});
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.target,
tool: "remote-test-server",
mode: Mode::ToolStd,
path: "src/tools/remote-test-server",
source_type: SourceType::InTree,
extra_features: Vec::new(),
allow_features: "",
cargo_args: Vec::new(),
})
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq, Ord, PartialOrd)]
pub struct Rustdoc {
pub compiler: Compiler,
}
impl Step for Rustdoc {
type Output = PathBuf;
const DEFAULT: bool = true;
const ONLY_HOSTS: bool = true;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.path("src/tools/rustdoc").path("src/librustdoc")
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure(Rustdoc {
compiler: run.builder.compiler(run.builder.top_stage, run.target),
});
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
let target_compiler = self.compiler;
if target_compiler.stage == 0 {
if !target_compiler.is_snapshot(builder) {
panic!("rustdoc in stage 0 must be snapshot rustdoc");
}
return builder.initial_rustc.with_file_name(exe("rustdoc", target_compiler.host));
}
let target = target_compiler.host;
let bin_rustdoc = || {
let sysroot = builder.sysroot(target_compiler);
let bindir = sysroot.join("bin");
t!(fs::create_dir_all(&bindir));
let bin_rustdoc = bindir.join(exe("rustdoc", target_compiler.host));
let _ = fs::remove_file(&bin_rustdoc);
bin_rustdoc
};
if builder.download_rustc()
&& target_compiler.stage > 0
&& builder.rust_info().is_managed_git_subrepository()
{
let commit = get_closest_merge_base_commit(
Some(&builder.config.src),
&builder.config.git_config(),
&builder.config.stage0_metadata.config.git_merge_commit_email,
&[],
)
.unwrap();
let librustdoc_src = builder.config.src.join("src/librustdoc");
let rustdoc_src = builder.config.src.join("src/tools/rustdoc");
let has_changes = !git(Some(&builder.config.src))
.allow_failure()
.run_always()
.args(["diff-index", "--quiet", &commit])
.arg("--")
.arg(librustdoc_src)
.arg(rustdoc_src)
.run(builder)
.is_success();
if !has_changes {
let precompiled_rustdoc = builder
.config
.ci_rustc_dir()
.join("bin")
.join(exe("rustdoc", target_compiler.host));
let bin_rustdoc = bin_rustdoc();
builder.copy_link(&precompiled_rustdoc, &bin_rustdoc);
return bin_rustdoc;
}
}
let build_compiler = if builder.download_rustc() && target_compiler.stage == 1 {
builder.compiler(target_compiler.stage, builder.config.build)
} else {
builder.compiler(target_compiler.stage - 1, builder.config.build)
};
builder.ensure(compile::Std::new(build_compiler, target_compiler.host));
builder.ensure(compile::Rustc::new(build_compiler, target_compiler.host));
let mut features = Vec::new();
if builder.config.jemalloc {
features.push("jemalloc".to_string());
}
let cargo = prepare_tool_cargo(
builder,
build_compiler,
Mode::ToolRustc,
target,
"build",
"src/tools/rustdoc",
SourceType::InTree,
features.as_slice(),
);
let _guard = builder.msg_tool(
Kind::Build,
Mode::ToolRustc,
"rustdoc",
build_compiler.stage,
&self.compiler.host,
&target,
);
cargo.into_cmd().run(builder);
let tool_rustdoc = builder
.cargo_out(build_compiler, Mode::ToolRustc, target)
.join(exe("rustdoc_tool_binary", target_compiler.host));
if target_compiler.stage > 0 {
let bin_rustdoc = bin_rustdoc();
builder.copy_link(&tool_rustdoc, &bin_rustdoc);
bin_rustdoc
} else {
tool_rustdoc
}
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct Cargo {
pub compiler: Compiler,
pub target: TargetSelection,
}
impl Step for Cargo {
type Output = PathBuf;
const DEFAULT: bool = true;
const ONLY_HOSTS: bool = true;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
let builder = run.builder;
run.path("src/tools/cargo").default_condition(
builder.config.extended
&& builder.config.tools.as_ref().map_or(
true,
|tools| tools.iter().any(|tool| tool == "cargo"),
),
)
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure(Cargo {
compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
target: run.target,
});
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
builder.build.update_submodule(Path::new("src/tools/cargo"));
builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.target,
tool: "cargo",
mode: Mode::ToolRustc,
path: "src/tools/cargo",
source_type: SourceType::Submodule,
extra_features: Vec::new(),
allow_features: "",
cargo_args: Vec::new(),
})
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct LldWrapper {
pub compiler: Compiler,
pub target: TargetSelection,
}
impl Step for LldWrapper {
type Output = PathBuf;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.never()
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.target,
tool: "lld-wrapper",
mode: Mode::ToolStd,
path: "src/tools/lld-wrapper",
source_type: SourceType::InTree,
extra_features: Vec::new(),
allow_features: "",
cargo_args: Vec::new(),
})
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct RustAnalyzer {
pub compiler: Compiler,
pub target: TargetSelection,
}
impl RustAnalyzer {
pub const ALLOW_FEATURES: &'static str = "rustc_private,proc_macro_internals,proc_macro_diagnostic,proc_macro_span,proc_macro_span_shrink,proc_macro_def_site";
}
impl Step for RustAnalyzer {
type Output = PathBuf;
const DEFAULT: bool = true;
const ONLY_HOSTS: bool = true;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
let builder = run.builder;
run.path("src/tools/rust-analyzer").default_condition(
builder.config.extended
&& builder
.config
.tools
.as_ref()
.map_or(true, |tools| tools.iter().any(|tool| tool == "rust-analyzer")),
)
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure(RustAnalyzer {
compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
target: run.target,
});
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.target,
tool: "rust-analyzer",
mode: Mode::ToolRustc,
path: "src/tools/rust-analyzer",
extra_features: vec!["in-rust-tree".to_owned()],
source_type: SourceType::InTree,
allow_features: RustAnalyzer::ALLOW_FEATURES,
cargo_args: Vec::new(),
})
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct RustAnalyzerProcMacroSrv {
pub compiler: Compiler,
pub target: TargetSelection,
}
impl Step for RustAnalyzerProcMacroSrv {
type Output = Option<PathBuf>;
const DEFAULT: bool = true;
const ONLY_HOSTS: bool = true;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
let builder = run.builder;
run.path("src/tools/rust-analyzer")
.path("src/tools/rust-analyzer/crates/proc-macro-srv-cli")
.default_condition(
builder.config.extended
&& builder.config.tools.as_ref().map_or(true, |tools| {
tools.iter().any(|tool| {
tool == "rust-analyzer" || tool == "rust-analyzer-proc-macro-srv"
})
}),
)
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure(RustAnalyzerProcMacroSrv {
compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
target: run.target,
});
}
fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
let path = builder.ensure(ToolBuild {
compiler: self.compiler,
target: self.target,
tool: "rust-analyzer-proc-macro-srv",
mode: Mode::ToolRustc,
path: "src/tools/rust-analyzer/crates/proc-macro-srv-cli",
extra_features: vec!["in-rust-tree".to_owned()],
source_type: SourceType::InTree,
allow_features: RustAnalyzer::ALLOW_FEATURES,
cargo_args: Vec::new(),
});
let libexec_path = builder.sysroot(self.compiler).join("libexec");
t!(fs::create_dir_all(&libexec_path));
builder.copy_link(&path, &libexec_path.join("rust-analyzer-proc-macro-srv"));
Some(path)
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct LlvmBitcodeLinker {
pub compiler: Compiler,
pub target: TargetSelection,
pub extra_features: Vec<String>,
}
impl Step for LlvmBitcodeLinker {
type Output = PathBuf;
const DEFAULT: bool = true;
const ONLY_HOSTS: bool = true;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
let builder = run.builder;
run.path("src/tools/llvm-bitcode-linker").default_condition(
builder.config.extended
&& builder
.config
.tools
.as_ref()
.map_or(builder.build.unstable_features(), |tools| {
tools.iter().any(|tool| tool == "llvm-bitcode-linker")
}),
)
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure(LlvmBitcodeLinker {
compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
extra_features: Vec::new(),
target: run.target,
});
}
fn run(self, builder: &Builder<'_>) -> PathBuf {
let bin_name = "llvm-bitcode-linker";
builder.ensure(compile::Std::new(self.compiler, self.compiler.host));
builder.ensure(compile::Rustc::new(self.compiler, self.target));
let cargo = prepare_tool_cargo(
builder,
self.compiler,
Mode::ToolRustc,
self.target,
"build",
"src/tools/llvm-bitcode-linker",
SourceType::InTree,
&self.extra_features,
);
let _guard = builder.msg_tool(
Kind::Build,
Mode::ToolRustc,
bin_name,
self.compiler.stage,
&self.compiler.host,
&self.target,
);
cargo.into_cmd().run(builder);
let tool_out = builder
.cargo_out(self.compiler, Mode::ToolRustc, self.target)
.join(exe(bin_name, self.compiler.host));
if self.compiler.stage > 0 {
let bindir_self_contained = builder
.sysroot(self.compiler)
.join(format!("lib/rustlib/{}/bin/self-contained", self.target.triple));
t!(fs::create_dir_all(&bindir_self_contained));
let bin_destination = bindir_self_contained.join(exe(bin_name, self.compiler.host));
builder.copy_link(&tool_out, &bin_destination);
bin_destination
} else {
tool_out
}
}
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct LibcxxVersionTool {
pub target: TargetSelection,
}
#[allow(dead_code)]
#[derive(Debug, Clone)]
pub enum LibcxxVersion {
Gnu(usize),
Llvm(usize),
}
impl Step for LibcxxVersionTool {
type Output = LibcxxVersion;
const DEFAULT: bool = false;
const ONLY_HOSTS: bool = true;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
run.never()
}
fn run(self, builder: &Builder<'_>) -> LibcxxVersion {
let out_dir = builder.out.join(self.target.to_string()).join("libcxx-version");
let executable = out_dir.join(exe("libcxx-version", self.target));
if !executable.exists() {
if !out_dir.exists() {
t!(fs::create_dir_all(&out_dir));
}
let compiler = builder.cxx(self.target).unwrap();
let mut cmd = command(compiler);
cmd.arg("-o")
.arg(&executable)
.arg(builder.src.join("src/tools/libcxx-version/main.cpp"));
cmd.run(builder);
if !executable.exists() {
panic!("Something went wrong. {} is not present", executable.display());
}
}
let version_output = command(executable).capture_stdout().run(builder).stdout();
let version_str = version_output.split_once("version:").unwrap().1;
let version = version_str.trim().parse::<usize>().unwrap();
if version_output.starts_with("libstdc++") {
LibcxxVersion::Gnu(version)
} else if version_output.starts_with("libc++") {
LibcxxVersion::Llvm(version)
} else {
panic!("Coudln't recognize the standard library version.");
}
}
}
macro_rules! tool_extended {
(($sel:ident, $builder:ident),
$($name:ident,
$path:expr,
$tool_name:expr,
stable = $stable:expr
$(,tool_std = $tool_std:literal)?
$(,allow_features = $allow_features:expr)?
$(,add_bins_to_sysroot = $add_bins_to_sysroot:expr)?
;)+) => {
$(
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct $name {
pub compiler: Compiler,
pub target: TargetSelection,
pub extra_features: Vec<String>,
}
impl Step for $name {
type Output = PathBuf;
const DEFAULT: bool = true; const ONLY_HOSTS: bool = true;
fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
let builder = run.builder;
run.path($path).default_condition(
builder.config.extended
&& builder.config.tools.as_ref().map_or(
$stable || builder.build.unstable_features(),
|tools| {
tools.iter().any(|tool| match tool.as_ref() {
"clippy" => $tool_name == "clippy-driver",
x => $tool_name == x,
})
}),
)
}
fn make_run(run: RunConfig<'_>) {
run.builder.ensure($name {
compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
target: run.target,
extra_features: Vec::new(),
});
}
#[allow(unused_mut)]
fn run(mut $sel, $builder: &Builder<'_>) -> PathBuf {
let tool = $builder.ensure(ToolBuild {
compiler: $sel.compiler,
target: $sel.target,
tool: $tool_name,
mode: if false $(|| $tool_std)? { Mode::ToolStd } else { Mode::ToolRustc },
path: $path,
extra_features: $sel.extra_features,
source_type: SourceType::InTree,
allow_features: concat!($($allow_features)*),
cargo_args: vec![]
});
if (false $(|| !$add_bins_to_sysroot.is_empty())?) && $sel.compiler.stage > 0 {
let bindir = $builder.sysroot($sel.compiler).join("bin");
t!(fs::create_dir_all(&bindir));
#[allow(unused_variables)]
let tools_out = $builder
.cargo_out($sel.compiler, Mode::ToolRustc, $sel.target);
$(for add_bin in $add_bins_to_sysroot {
let bin_source = tools_out.join(exe(add_bin, $sel.target));
let bin_destination = bindir.join(exe(add_bin, $sel.compiler.host));
$builder.copy_link(&bin_source, &bin_destination);
})?
let tool = bindir.join(exe($tool_name, $sel.compiler.host));
tool
} else {
tool
}
}
}
)+
}
}
tool_extended!((self, builder),
Cargofmt, "src/tools/rustfmt", "cargo-fmt", stable=true;
CargoClippy, "src/tools/clippy", "cargo-clippy", stable=true;
Clippy, "src/tools/clippy", "clippy-driver", stable=true, add_bins_to_sysroot = ["clippy-driver", "cargo-clippy"];
Miri, "src/tools/miri", "miri", stable=false, add_bins_to_sysroot = ["miri"];
CargoMiri, "src/tools/miri/cargo-miri", "cargo-miri", stable=true, add_bins_to_sysroot = ["cargo-miri"];
Rls, "src/tools/rls", "rls", stable=true, tool_std=true;
Rustfmt, "src/tools/rustfmt", "rustfmt", stable=true, add_bins_to_sysroot = ["rustfmt", "cargo-fmt"];
);
impl<'a> Builder<'a> {
pub fn tool_cmd(&self, tool: Tool) -> BootstrapCommand {
let mut cmd = command(self.tool_exe(tool));
let compiler = self.compiler(0, self.config.build);
let host = &compiler.host;
let mut lib_paths: Vec<PathBuf> = vec![
self.build.rustc_snapshot_libdir(),
self.cargo_out(compiler, Mode::ToolBootstrap, *host).join("deps"),
];
if compiler.host.is_msvc() {
let curpaths = env::var_os("PATH").unwrap_or_default();
let curpaths = env::split_paths(&curpaths).collect::<Vec<_>>();
for (k, v) in self.cc.borrow()[&compiler.host].env() {
if k != "PATH" {
continue;
}
for path in env::split_paths(v) {
if !curpaths.contains(&path) {
lib_paths.push(path);
}
}
}
}
add_dylib_path(lib_paths, &mut cmd);
cmd.env("RUSTC", &self.initial_rustc);
cmd
}
}