src/bootstrap/install.rs

   1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 //! Implementation of the install aspects of the compiler.
  12 //!
  13 //! This module is responsible for installing the standard library,
  14 //! compiler, and documentation.
  15
  16 use std::env;
  17 use std::fs;
  18 use std::path::{Path, PathBuf, Component};
  19 use std::process::Command;
  20
  21 use dist::{self, pkgname, sanitize_sh, tmpdir};
  22
  23 use Build;
  24 use builder::{Builder, Step};
  25
  26 pub struct Installer<'a> {
  27     build: &'a Build,
  28     prefix: PathBuf,
  29     sysconfdir: PathBuf,
  30     docdir: PathBuf,
  31     bindir: PathBuf,
  32     libdir: PathBuf,
  33     mandir: PathBuf,
  34     empty_dir: PathBuf,
  35 }
  36
  37 impl<'a> Drop for Installer<'a> {
  38     fn drop(&mut self) {
  39         t!(fs::remove_dir_all(&self.empty_dir));
  40     }
  41 }
  42
  43 impl<'a> Installer<'a> {
  44     pub fn new(build: &'a Build) -> Installer<'a> {
  45         let prefix_default = PathBuf::from("/usr/local");
  46         let sysconfdir_default = PathBuf::from("/etc");
  47         let docdir_default = PathBuf::from("share/doc/rust");
  48         let bindir_default = PathBuf::from("bin");
  49         let libdir_default = PathBuf::from("lib");
  50         let mandir_default = PathBuf::from("share/man");
  51         let prefix = build.config.prefix.as_ref().unwrap_or(&prefix_default);
  52         let sysconfdir = build.config.sysconfdir.as_ref().unwrap_or(&sysconfdir_default);
  53         let docdir = build.config.docdir.as_ref().unwrap_or(&docdir_default);
  54         let bindir = build.config.bindir.as_ref().unwrap_or(&bindir_default);
  55         let libdir = build.config.libdir.as_ref().unwrap_or(&libdir_default);
  56         let mandir = build.config.mandir.as_ref().unwrap_or(&mandir_default);
  57
  58         let sysconfdir = prefix.join(sysconfdir);
  59         let docdir = prefix.join(docdir);
  60         let bindir = prefix.join(bindir);
  61         let libdir = prefix.join(libdir);
  62         let mandir = prefix.join(mandir);
  63
  64         let destdir = env::var_os("DESTDIR").map(PathBuf::from);
  65
  66         let prefix = add_destdir(&prefix, &destdir);
  67         let sysconfdir = add_destdir(&sysconfdir, &destdir);
  68         let docdir = add_destdir(&docdir, &destdir);
  69         let bindir = add_destdir(&bindir, &destdir);
  70         let libdir = add_destdir(&libdir, &destdir);
  71         let mandir = add_destdir(&mandir, &destdir);
  72
  73         let empty_dir = build.out.join("tmp/empty_dir");
  74
  75         t!(fs::create_dir_all(&empty_dir));
  76
  77         Installer {
  78             build,
  79             prefix,
  80             sysconfdir,
  81             docdir,
  82             bindir,
  83             libdir,
  84             mandir,
  85             empty_dir,
  86         }
  87     }
  88
  89     pub fn install_docs(&self, stage: u32, host: &str) {
  90         self.install_sh("docs", "rust-docs", stage, Some(host));
  91     }
  92
  93     pub fn install_std(&self, stage: u32) {
  94         for target in self.build.config.target.iter() {
  95             self.install_sh("std", "rust-std", stage, Some(target));
  96         }
  97     }
  98
  99     pub fn install_cargo(&self, stage: u32, host: &str) {
 100         self.install_sh("cargo", "cargo", stage, Some(host));
 101     }
 102
 103     pub fn install_rls(&self, stage: u32, host: &str) {
 104         self.install_sh("rls", "rls", stage, Some(host));
 105     }
 106
 107     pub fn install_analysis(&self, stage: u32, host: &str) {
 108         self.install_sh("analysis", "rust-analysis", stage, Some(host));
 109     }
 110
 111     pub fn install_src(&self, stage: u32) {
 112         self.install_sh("src", "rust-src", stage, None);
 113     }
 114     pub fn install_rustc(&self, stage: u32, host: &str) {
 115         self.install_sh("rustc", "rustc", stage, Some(host));
 116     }
 117
 118     fn install_sh(&self, package: &str, name: &str, stage: u32, host: Option<&str>) {
 119         println!("Install {} stage{} ({:?})", package, stage, host);
 120         let package_name = if let Some(host) = host {
 121             format!("{}-{}", pkgname(self.build, name), host)
 122         } else {
 123             pkgname(self.build, name)
 124         };
 125
 126         let mut cmd = Command::new("sh");
 127         cmd.current_dir(&self.empty_dir)
 128            .arg(sanitize_sh(&tmpdir(self.build).join(&package_name).join("install.sh")))
 129            .arg(format!("--prefix={}", sanitize_sh(&self.prefix)))
 130            .arg(format!("--sysconfdir={}", sanitize_sh(&self.sysconfdir)))
 131            .arg(format!("--docdir={}", sanitize_sh(&self.docdir)))
 132            .arg(format!("--bindir={}", sanitize_sh(&self.bindir)))
 133            .arg(format!("--libdir={}", sanitize_sh(&self.libdir)))
 134            .arg(format!("--mandir={}", sanitize_sh(&self.mandir)))
 135            .arg("--disable-ldconfig");
 136         self.build.run(&mut cmd);
 137     }
 138 }
 139
 140 fn add_destdir(path: &Path, destdir: &Option<PathBuf>) -> PathBuf {
 141     let mut ret = match *destdir {
 142         Some(ref dest) => dest.clone(),
 143         None => return path.to_path_buf(),
 144     };
 145     for part in path.components() {
 146         match part {
 147             Component::Normal(s) => ret.push(s),
 148             _ => {}
 149         }
 150     }
 151     ret
 152 }
 153
 154 macro_rules! install {
 155     ($($name:ident,
 156        $path:expr,
 157        $default_cond:expr,
 158        only_hosts: $only_hosts:expr,
 159        ($sel:ident, $builder:ident),
 160        $run_item:block $(, $c:ident)*;)+) => {
 161         $(#[derive(Serialize)]
 162         pub struct $name<'a> {
 163             pub stage: u32,
 164             pub target: &'a str,
 165             pub host: &'a str,
 166         }
 167
 168         impl<'a> Step<'a> for $name<'a> {
 169             type Output = ();
 170             const DEFAULT: bool = true;
 171             const ONLY_BUILD_TARGETS: bool = true;
 172             const ONLY_HOSTS: bool = $only_hosts;
 173             $(const $c: bool = true;)*
 174
 175             fn should_run(_builder: &Builder, path: &Path) -> bool {
 176                 path.ends_with($path)
 177             }
 178
 179             fn make_run($builder: &Builder, path: Option<&Path>, host: &str, target: &str) {
 180                 if path.is_none() && !($default_cond) {
 181                     return;
 182                 }
 183                 $builder.ensure($name {
 184                     stage: $builder.top_stage,
 185                     target,
 186                     host,
 187                 });
 188             }
 189
 190             fn run($sel, $builder: &Builder) {
 191                 $run_item
 192             }
 193         })+
 194     }
 195 }
 196
 197 install!(
 198     // rules.install("install-docs", "src/doc")
 199     //      .default(build.config.docs)
 200     //      .only_host_build(true)
 201     //      .dep(|s| s.name("dist-docs"))
 202     //      .run(move |s| install::Installer::new(build).install_docs(s.stage, s.target));
 203     Docs, "src/doc", builder.build.config.docs, only_hosts: false, (self, builder), {
 204         builder.ensure(dist::Docs { stage: self.stage, target: self.target });
 205         Installer::new(builder.build).install_docs(self.stage, self.target);
 206     };
 207     // rules.install("install-std", "src/libstd")
 208     //      .default(true)
 209     //      .only_host_build(true)
 210     //      .dep(|s| s.name("dist-std"))
 211     //      .run(move |s| install::Installer::new(build).install_std(s.stage));
 212     Std, "src/libstd", true, only_hosts: true, (self, builder), {
 213         builder.ensure(dist::Std {
 214             compiler: builder.compiler(self.stage, self.host),
 215             target: self.target
 216         });
 217         Installer::new(builder.build).install_std(self.stage);
 218     };
 219     // rules.install("install-cargo", "cargo")
 220     //      .default(build.config.extended)
 221     //      .host(true)
 222     //      .only_host_build(true)
 223     //      .dep(|s| s.name("dist-cargo"))
 224     //      .run(move |s| install::Installer::new(build).install_cargo(s.stage, s.target));
 225     Cargo, "cargo", builder.build.config.extended, only_hosts: true, (self, builder), {
 226         builder.ensure(dist::Cargo { stage: self.stage, target: self.target });
 227         Installer::new(builder.build).install_cargo(self.stage, self.target);
 228     };
 229     // rules.install("install-rls", "rls")
 230     //      .default(build.config.extended)
 231     //      .host(true)
 232     //      .only_host_build(true)
 233     //      .dep(|s| s.name("dist-rls"))
 234     //      .run(move |s| install::Installer::new(build).install_rls(s.stage, s.target));
 235     Rls, "rls", builder.build.config.extended, only_hosts: true, (self, builder), {
 236         builder.ensure(dist::Rls { stage: self.stage, target: self.target });
 237         Installer::new(builder.build).install_rls(self.stage, self.target);
 238     };
 239     // rules.install("install-analysis", "analysis")
 240     //      .default(build.config.extended)
 241     //      .only_host_build(true)
 242     //      .dep(|s| s.name("dist-analysis"))
 243     //      .run(move |s| install::Installer::new(build).install_analysis(s.stage, s.target));
 244     Analysis, "analysis", builder.build.config.extended, only_hosts: false, (self, builder), {
 245         builder.ensure(dist::Analysis {
 246             compiler: builder.compiler(self.stage, self.host),
 247             target: self.target
 248         });
 249         Installer::new(builder.build).install_analysis(self.stage, self.target);
 250     };
 251     // rules.install("install-src", "src")
 252     //      .default(build.config.extended)
 253     //      .host(true)
 254     //      .only_build(true)
 255     //      .only_host_build(true)
 256     //      .dep(|s| s.name("dist-src"))
 257     //      .run(move |s| install::Installer::new(build).install_src(s.stage));
 258     Src, "src", builder.build.config.extended, only_hosts: true, (self, builder), {
 259         builder.ensure(dist::Src);
 260         Installer::new(builder.build).install_src(self.stage);
 261     }, ONLY_BUILD;
 262     // rules.install("install-rustc", "src/librustc")
 263     //      .default(true)
 264     //      .host(true)
 265     //      .only_host_build(true)
 266     //      .dep(|s| s.name("dist-rustc"))
 267     //      .run(move |s| install::Installer::new(build).install_rustc(s.stage, s.target));
 268     Rustc, "src/librustc", builder.build.config.extended, only_hosts: true, (self, builder), {
 269         builder.ensure(dist::Rustc { stage: self.stage, target: self.target });
 270         Installer::new(builder.build).install_rustc(self.stage, self.target);
 271     };
 272 );