| //! Implementation of the install aspects of the compiler. |
| //! |
| //! This module is responsible for installing the standard library, |
| //! compiler, and documentation. |
| |
| use std::env; |
| use std::fs; |
| use std::path::{Component, Path, PathBuf}; |
| use std::process::Command; |
| |
| use build_helper::t; |
| |
| use crate::dist::{self, pkgname, sanitize_sh, tmpdir}; |
| use crate::Compiler; |
| |
| use crate::builder::{Builder, RunConfig, ShouldRun, Step}; |
| use crate::cache::Interned; |
| use crate::config::Config; |
| |
| pub fn install_docs(builder: &Builder<'_>, stage: u32, host: Interned<String>) { |
| install_sh(builder, "docs", "rust-docs", stage, Some(host)); |
| } |
| |
| pub fn install_std(builder: &Builder<'_>, stage: u32, target: Interned<String>) { |
| install_sh(builder, "std", "rust-std", stage, Some(target)); |
| } |
| |
| pub fn install_cargo(builder: &Builder<'_>, stage: u32, host: Interned<String>) { |
| install_sh(builder, "cargo", "cargo", stage, Some(host)); |
| } |
| |
| pub fn install_rls(builder: &Builder<'_>, stage: u32, host: Interned<String>) { |
| install_sh(builder, "rls", "rls", stage, Some(host)); |
| } |
| pub fn install_clippy(builder: &Builder<'_>, stage: u32, host: Interned<String>) { |
| install_sh(builder, "clippy", "clippy", stage, Some(host)); |
| } |
| pub fn install_miri(builder: &Builder<'_>, stage: u32, host: Interned<String>) { |
| install_sh(builder, "miri", "miri", stage, Some(host)); |
| } |
| |
| pub fn install_rustfmt(builder: &Builder<'_>, stage: u32, host: Interned<String>) { |
| install_sh(builder, "rustfmt", "rustfmt", stage, Some(host)); |
| } |
| |
| pub fn install_analysis(builder: &Builder<'_>, stage: u32, host: Interned<String>) { |
| install_sh(builder, "analysis", "rust-analysis", stage, Some(host)); |
| } |
| |
| pub fn install_src(builder: &Builder<'_>, stage: u32) { |
| install_sh(builder, "src", "rust-src", stage, None); |
| } |
| pub fn install_rustc(builder: &Builder<'_>, stage: u32, host: Interned<String>) { |
| install_sh(builder, "rustc", "rustc", stage, Some(host)); |
| } |
| |
| fn install_sh( |
| builder: &Builder<'_>, |
| package: &str, |
| name: &str, |
| stage: u32, |
| host: Option<Interned<String>>, |
| ) { |
| builder.info(&format!("Install {} stage{} ({:?})", package, stage, host)); |
| |
| let prefix_default = PathBuf::from("/usr/local"); |
| let sysconfdir_default = PathBuf::from("/etc"); |
| let datadir_default = PathBuf::from("share"); |
| let docdir_default = datadir_default.join("doc/rust"); |
| let libdir_default = PathBuf::from("lib"); |
| let mandir_default = datadir_default.join("man"); |
| let prefix = builder.config.prefix.as_ref().map_or(prefix_default, |p| { |
| fs::canonicalize(p).unwrap_or_else(|_| panic!("could not canonicalize {}", p.display())) |
| }); |
| let sysconfdir = builder.config.sysconfdir.as_ref().unwrap_or(&sysconfdir_default); |
| let datadir = builder.config.datadir.as_ref().unwrap_or(&datadir_default); |
| let docdir = builder.config.docdir.as_ref().unwrap_or(&docdir_default); |
| let bindir = &builder.config.bindir; |
| let libdir = builder.config.libdir.as_ref().unwrap_or(&libdir_default); |
| let mandir = builder.config.mandir.as_ref().unwrap_or(&mandir_default); |
| |
| let sysconfdir = prefix.join(sysconfdir); |
| let datadir = prefix.join(datadir); |
| let docdir = prefix.join(docdir); |
| let bindir = prefix.join(bindir); |
| let libdir = prefix.join(libdir); |
| let mandir = prefix.join(mandir); |
| |
| let destdir = env::var_os("DESTDIR").map(PathBuf::from); |
| |
| let prefix = add_destdir(&prefix, &destdir); |
| let sysconfdir = add_destdir(&sysconfdir, &destdir); |
| let datadir = add_destdir(&datadir, &destdir); |
| let docdir = add_destdir(&docdir, &destdir); |
| let bindir = add_destdir(&bindir, &destdir); |
| let libdir = add_destdir(&libdir, &destdir); |
| let mandir = add_destdir(&mandir, &destdir); |
| |
| let empty_dir = builder.out.join("tmp/empty_dir"); |
| |
| t!(fs::create_dir_all(&empty_dir)); |
| let package_name = if let Some(host) = host { |
| format!("{}-{}", pkgname(builder, name), host) |
| } else { |
| pkgname(builder, name) |
| }; |
| |
| let mut cmd = Command::new("sh"); |
| cmd.current_dir(&empty_dir) |
| .arg(sanitize_sh(&tmpdir(builder).join(&package_name).join("install.sh"))) |
| .arg(format!("--prefix={}", sanitize_sh(&prefix))) |
| .arg(format!("--sysconfdir={}", sanitize_sh(&sysconfdir))) |
| .arg(format!("--datadir={}", sanitize_sh(&datadir))) |
| .arg(format!("--docdir={}", sanitize_sh(&docdir))) |
| .arg(format!("--bindir={}", sanitize_sh(&bindir))) |
| .arg(format!("--libdir={}", sanitize_sh(&libdir))) |
| .arg(format!("--mandir={}", sanitize_sh(&mandir))) |
| .arg("--disable-ldconfig"); |
| builder.run(&mut cmd); |
| t!(fs::remove_dir_all(&empty_dir)); |
| } |
| |
| fn add_destdir(path: &Path, destdir: &Option<PathBuf>) -> PathBuf { |
| let mut ret = match *destdir { |
| Some(ref dest) => dest.clone(), |
| None => return path.to_path_buf(), |
| }; |
| for part in path.components() { |
| match part { |
| Component::Normal(s) => ret.push(s), |
| _ => {} |
| } |
| } |
| ret |
| } |
| |
| macro_rules! install { |
| (($sel:ident, $builder:ident, $_config:ident), |
| $($name:ident, |
| $path:expr, |
| $default_cond:expr, |
| only_hosts: $only_hosts:expr, |
| $run_item:block $(, $c:ident)*;)+) => { |
| $( |
| #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)] |
| pub struct $name { |
| pub compiler: Compiler, |
| pub target: Interned<String>, |
| } |
| |
| impl $name { |
| #[allow(dead_code)] |
| fn should_build(config: &Config) -> bool { |
| config.extended && config.tools.as_ref() |
| .map_or(true, |t| t.contains($path)) |
| } |
| |
| #[allow(dead_code)] |
| fn should_install(builder: &Builder<'_>) -> bool { |
| builder.config.tools.as_ref().map_or(false, |t| t.contains($path)) |
| } |
| } |
| |
| impl Step for $name { |
| type Output = (); |
| const DEFAULT: bool = true; |
| const ONLY_HOSTS: bool = $only_hosts; |
| $(const $c: bool = true;)* |
| |
| fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { |
| let $_config = &run.builder.config; |
| run.path($path).default_condition($default_cond) |
| } |
| |
| fn make_run(run: RunConfig<'_>) { |
| run.builder.ensure($name { |
| compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build), |
| target: run.target, |
| }); |
| } |
| |
| fn run($sel, $builder: &Builder<'_>) { |
| $run_item |
| } |
| })+ |
| } |
| } |
| |
| install!((self, builder, _config), |
| Docs, "src/doc", _config.docs, only_hosts: false, { |
| builder.ensure(dist::Docs { host: self.target }); |
| install_docs(builder, self.compiler.stage, self.target); |
| }; |
| Std, "src/libstd", true, only_hosts: true, { |
| for target in &builder.targets { |
| builder.ensure(dist::Std { |
| compiler: self.compiler, |
| target: *target |
| }); |
| install_std(builder, self.compiler.stage, *target); |
| } |
| }; |
| Cargo, "cargo", Self::should_build(_config), only_hosts: true, { |
| builder.ensure(dist::Cargo { compiler: self.compiler, target: self.target }); |
| install_cargo(builder, self.compiler.stage, self.target); |
| }; |
| Rls, "rls", Self::should_build(_config), only_hosts: true, { |
| if builder.ensure(dist::Rls { compiler: self.compiler, target: self.target }).is_some() || |
| Self::should_install(builder) { |
| install_rls(builder, self.compiler.stage, self.target); |
| } else { |
| builder.info( |
| &format!("skipping Install RLS stage{} ({})", self.compiler.stage, self.target), |
| ); |
| } |
| }; |
| Clippy, "clippy", Self::should_build(_config), only_hosts: true, { |
| if builder.ensure(dist::Clippy { |
| compiler: self.compiler, |
| target: self.target, |
| }).is_some() || Self::should_install(builder) { |
| install_clippy(builder, self.compiler.stage, self.target); |
| } else { |
| builder.info( |
| &format!("skipping Install clippy stage{} ({})", self.compiler.stage, self.target), |
| ); |
| } |
| }; |
| Miri, "miri", Self::should_build(_config), only_hosts: true, { |
| if builder.ensure(dist::Miri { compiler: self.compiler, target: self.target }).is_some() || |
| Self::should_install(builder) { |
| install_miri(builder, self.compiler.stage, self.target); |
| } else { |
| builder.info( |
| &format!("skipping Install miri stage{} ({})", self.compiler.stage, self.target), |
| ); |
| } |
| }; |
| Rustfmt, "rustfmt", Self::should_build(_config), only_hosts: true, { |
| if builder.ensure(dist::Rustfmt { |
| compiler: self.compiler, |
| target: self.target |
| }).is_some() || Self::should_install(builder) { |
| install_rustfmt(builder, self.compiler.stage, self.target); |
| } else { |
| builder.info( |
| &format!("skipping Install Rustfmt stage{} ({})", self.compiler.stage, self.target), |
| ); |
| } |
| }; |
| Analysis, "analysis", Self::should_build(_config), only_hosts: false, { |
| builder.ensure(dist::Analysis { |
| // Find the actual compiler (handling the full bootstrap option) which |
| // produced the save-analysis data because that data isn't copied |
| // through the sysroot uplifting. |
| compiler: builder.compiler_for(builder.top_stage, builder.config.build, self.target), |
| target: self.target |
| }); |
| install_analysis(builder, self.compiler.stage, self.target); |
| }; |
| Rustc, "src/librustc", true, only_hosts: true, { |
| builder.ensure(dist::Rustc { |
| compiler: self.compiler, |
| }); |
| install_rustc(builder, self.compiler.stage, self.target); |
| }; |
| ); |
| |
| #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)] |
| pub struct Src { |
| pub stage: u32, |
| } |
| |
| impl Step for Src { |
| type Output = (); |
| const DEFAULT: bool = true; |
| const ONLY_HOSTS: bool = true; |
| |
| fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { |
| let config = &run.builder.config; |
| let cond = config.extended && config.tools.as_ref().map_or(true, |t| t.contains("src")); |
| run.path("src").default_condition(cond) |
| } |
| |
| fn make_run(run: RunConfig<'_>) { |
| run.builder.ensure(Src { stage: run.builder.top_stage }); |
| } |
| |
| fn run(self, builder: &Builder<'_>) { |
| builder.ensure(dist::Src); |
| install_src(builder, self.stage); |
| } |
| } |