]> git.proxmox.com Git - rustc.git/blobdiff - src/bootstrap/dist.rs
New upstream version 1.56.0~beta.4+dfsg1
[rustc.git] / src / bootstrap / dist.rs
index b0616ff66918cbbf82711ca893f689bcf88bf9f0..7c1bb1a91481bdeb69bfb517bbb4ca170ddba788 100644 (file)
@@ -8,45 +8,29 @@
 //! out to `rust-installer` still. This may one day be replaced with bits and
 //! pieces of `rustup.rs`!
 
+use std::collections::HashSet;
 use std::env;
 use std::fs;
-use std::io::Write;
-use std::path::{PathBuf, Path};
-use std::process::{Command, Stdio};
+use std::path::{Path, PathBuf};
+use std::process::Command;
 
 use build_helper::{output, t};
 
-use crate::{Compiler, Mode, LLVM_TOOLS};
-use crate::channel;
-use crate::util::{is_dylib, exe};
 use crate::builder::{Builder, RunConfig, ShouldRun, Step};
+use crate::cache::{Interned, INTERNER};
 use crate::compile;
+use crate::config::TargetSelection;
+use crate::tarball::{GeneratedTarball, OverlayKind, Tarball};
 use crate::tool::{self, Tool};
-use crate::cache::{INTERNER, Interned};
+use crate::util::{exe, is_dylib, timeit};
+use crate::{Compiler, DependencyType, Mode, LLVM_TOOLS};
 use time::{self, Timespec};
 
 pub fn pkgname(builder: &Builder<'_>, component: &str) -> String {
-    if component == "cargo" {
-        format!("{}-{}", component, builder.cargo_package_vers())
-    } else if component == "rls" {
-        format!("{}-{}", component, builder.rls_package_vers())
-    } else if component == "clippy" {
-        format!("{}-{}", component, builder.clippy_package_vers())
-    } else if component == "miri" {
-        format!("{}-{}", component, builder.miri_package_vers())
-    } else if component == "rustfmt" {
-        format!("{}-{}", component, builder.rustfmt_package_vers())
-    } else if component == "llvm-tools" {
-        format!("{}-{}", component, builder.llvm_tools_package_vers())
-    } else if component == "lldb" {
-        format!("{}-{}", component, builder.lldb_package_vers())
-    } else {
-        assert!(component.starts_with("rust"));
-        format!("{}-{}", component, builder.rust_package_vers())
-    }
+    format!("{}-{}", component, builder.rust_package_vers())
 }
 
-fn distdir(builder: &Builder<'_>) -> PathBuf {
+pub(crate) fn distdir(builder: &Builder<'_>) -> PathBuf {
     builder.out.join("dist")
 }
 
@@ -54,10 +38,6 @@ pub fn tmpdir(builder: &Builder<'_>) -> PathBuf {
     builder.out.join("tmp/dist")
 }
 
-fn rust_installer(builder: &Builder<'_>) -> Command {
-    builder.tool_cmd(Tool::RustInstaller)
-}
-
 fn missing_tool(tool_name: &str, skip: bool) {
     if skip {
         println!("Unable to build {}, skipping dist", tool_name)
@@ -66,76 +46,53 @@ fn missing_tool(tool_name: &str, skip: bool) {
     }
 }
 
+fn should_build_extended_tool(builder: &Builder<'_>, tool: &str) -> bool {
+    if !builder.config.extended {
+        return false;
+    }
+    builder.config.tools.as_ref().map_or(true, |tools| tools.contains(tool))
+}
+
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Docs {
-    pub stage: u32,
-    pub host: Interned<String>,
+    pub host: TargetSelection,
 }
 
 impl Step for Docs {
-    type Output = PathBuf;
+    type Output = Option<GeneratedTarball>;
     const DEFAULT: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("src/doc")
+        let default = run.builder.config.docs;
+        run.path("src/doc").default_condition(default)
     }
 
     fn make_run(run: RunConfig<'_>) {
-        run.builder.ensure(Docs {
-            stage: run.builder.top_stage,
-            host: run.target,
-        });
+        run.builder.ensure(Docs { host: run.target });
     }
 
     /// Builds the `rust-docs` installer component.
-    fn run(self, builder: &Builder<'_>) -> PathBuf {
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
         let host = self.host;
+        builder.default_doc(&[]);
 
-        let name = pkgname(builder, "rust-docs");
-
-        builder.info(&format!("Dist docs ({})", host));
-        if !builder.config.docs {
-            builder.info("\tskipping - docs disabled");
-            return distdir(builder).join(format!("{}-{}.tar.gz", name, host));
-        }
-
-        builder.default_doc(None);
-
-        let image = tmpdir(builder).join(format!("{}-{}-image", name, host));
-        let _ = fs::remove_dir_all(&image);
+        let dest = "share/doc/rust/html";
 
-        let dst = image.join("share/doc/rust/html");
-        t!(fs::create_dir_all(&dst));
-        let src = builder.doc_out(host);
-        builder.cp_r(&src, &dst);
-
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust-Documentation")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=Rust-documentation-is-installed.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg(format!("--package-name={}-{}", name, host))
-           .arg("--component-name=rust-docs")
-           .arg("--legacy-manifest-dirs=rustlib,cargo")
-           .arg("--bulk-dirs=share/doc/rust/html");
-        builder.run(&mut cmd);
-        builder.remove_dir(&image);
-
-        distdir(builder).join(format!("{}-{}.tar.gz", name, host))
+        let mut tarball = Tarball::new(builder, "rust-docs", &host.triple);
+        tarball.set_product_name("Rust Documentation");
+        tarball.add_bulk_dir(&builder.doc_out(host), dest);
+        tarball.add_file(&builder.src.join("src/doc/robots.txt"), dest, 0o644);
+        Some(tarball.generate())
     }
 }
 
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct RustcDocs {
-    pub stage: u32,
-    pub host: Interned<String>,
+    pub host: TargetSelection,
 }
 
 impl Step for RustcDocs {
-    type Output = PathBuf;
+    type Output = Option<GeneratedTarball>;
     const DEFAULT: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
@@ -143,50 +100,21 @@ impl Step for RustcDocs {
     }
 
     fn make_run(run: RunConfig<'_>) {
-        run.builder.ensure(RustcDocs {
-            stage: run.builder.top_stage,
-            host: run.target,
-        });
+        run.builder.ensure(RustcDocs { host: run.target });
     }
 
     /// Builds the `rustc-docs` installer component.
-    fn run(self, builder: &Builder<'_>) -> PathBuf {
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
         let host = self.host;
-
-        let name = pkgname(builder, "rustc-docs");
-
-        builder.info(&format!("Dist compiler docs ({})", host));
         if !builder.config.compiler_docs {
-            builder.info("\tskipping - compiler docs disabled");
-            return distdir(builder).join(format!("{}-{}.tar.gz", name, host));
+            return None;
         }
+        builder.default_doc(&[]);
 
-        builder.default_doc(None);
-
-        let image = tmpdir(builder).join(format!("{}-{}-image", name, host));
-        let _ = fs::remove_dir_all(&image);
-
-        let dst = image.join("share/doc/rust/html");
-        t!(fs::create_dir_all(&dst));
-        let src = builder.compiler_doc_out(host);
-        builder.cp_r(&src, &dst);
-
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rustc-Documentation")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=Rustc-documentation-is-installed.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg(format!("--package-name={}-{}", name, host))
-           .arg("--component-name=rustc-docs")
-           .arg("--legacy-manifest-dirs=rustlib,cargo")
-           .arg("--bulk-dirs=share/doc/rust/html");
-        builder.run(&mut cmd);
-        builder.remove_dir(&image);
-
-        distdir(builder).join(format!("{}-{}.tar.gz", name, host))
+        let mut tarball = Tarball::new(builder, "rustc-docs", &host.triple);
+        tarball.set_product_name("Rustc Documentation");
+        tarball.add_bulk_dir(&builder.compiler_doc_out(host), "share/doc/rust/html/rustc");
+        Some(tarball.generate())
     }
 }
 
@@ -194,10 +122,7 @@ fn find_files(files: &[&str], path: &[PathBuf]) -> Vec<PathBuf> {
     let mut found = Vec::with_capacity(files.len());
 
     for file in files {
-        let file_path =
-            path.iter()
-                .map(|dir| dir.join(file))
-                .find(|p| p.exists());
+        let file_path = path.iter().map(|dir| dir.join(file)).find(|p| p.exists());
 
         if let Some(file_path) = file_path {
             found.push(file_path);
@@ -210,10 +135,13 @@ fn find_files(files: &[&str], path: &[PathBuf]) -> Vec<PathBuf> {
 }
 
 fn make_win_dist(
-    rust_root: &Path, plat_root: &Path, target_triple: Interned<String>, builder: &Builder<'_>
+    rust_root: &Path,
+    plat_root: &Path,
+    target: TargetSelection,
+    builder: &Builder<'_>,
 ) {
     //Ask gcc where it keeps its stuff
-    let mut cmd = Command::new(builder.cc(target_triple));
+    let mut cmd = Command::new(builder.cc(target));
     cmd.arg("-print-search-dirs");
     let gcc_out = output(&mut cmd);
 
@@ -224,11 +152,7 @@ fn make_win_dist(
         let idx = line.find(':').unwrap();
         let key = &line[..idx];
         let trim_chars: &[_] = &[' ', '='];
-        let value =
-            line[(idx + 1)..]
-                .trim_start_matches(trim_chars)
-                .split(';')
-                .map(PathBuf::from);
+        let value = env::split_paths(line[(idx + 1)..].trim_start_matches(trim_chars));
 
         if key == "programs" {
             bin_path.extend(value);
@@ -237,15 +161,23 @@ fn make_win_dist(
         }
     }
 
-    let target_tools = ["gcc.exe", "ld.exe", "dlltool.exe", "libwinpthread-1.dll"];
-    let mut rustc_dlls = vec!["libstdc++-6.dll", "libwinpthread-1.dll"];
-    if target_triple.starts_with("i686-") {
+    let compiler = if target == "i686-pc-windows-gnu" {
+        "i686-w64-mingw32-gcc.exe"
+    } else if target == "x86_64-pc-windows-gnu" {
+        "x86_64-w64-mingw32-gcc.exe"
+    } else {
+        "gcc.exe"
+    };
+    let target_tools = [compiler, "ld.exe", "dlltool.exe", "libwinpthread-1.dll"];
+    let mut rustc_dlls = vec!["libwinpthread-1.dll"];
+    if target.starts_with("i686-") {
         rustc_dlls.push("libgcc_s_dw2-1.dll");
     } else {
         rustc_dlls.push("libgcc_s_seh-1.dll");
     }
 
-    let target_libs = [ //MinGW libs
+    let target_libs = [
+        //MinGW libs
         "libgcc.a",
         "libgcc_eh.a",
         "libgcc_s.a",
@@ -303,7 +235,12 @@ fn make_win_dist(
     }
 
     //Copy platform tools to platform-specific bin directory
-    let target_bin_dir = plat_root.join("lib").join("rustlib").join(target_triple).join("bin");
+    let target_bin_dir = plat_root
+        .join("lib")
+        .join("rustlib")
+        .join(target.triple)
+        .join("bin")
+        .join("self-contained");
     fs::create_dir_all(&target_bin_dir).expect("creating target_bin_dir failed");
     for src in target_tools {
         builder.copy_to_folder(&src, &target_bin_dir);
@@ -312,13 +249,18 @@ fn make_win_dist(
     // Warn windows-gnu users that the bundled GCC cannot compile C files
     builder.create(
         &target_bin_dir.join("GCC-WARNING.txt"),
-        "gcc.exe contained in this folder cannot be used for compiling C files - it is only\
-         used as a linker. In order to be able to compile projects containing C code use\
-         the GCC provided by MinGW or Cygwin."
+        "gcc.exe contained in this folder cannot be used for compiling C files - it is only \
+         used as a linker. In order to be able to compile projects containing C code use \
+         the GCC provided by MinGW or Cygwin.",
     );
 
     //Copy platform libs to platform-specific lib directory
-    let target_lib_dir = plat_root.join("lib").join("rustlib").join(target_triple).join("lib");
+    let target_lib_dir = plat_root
+        .join("lib")
+        .join("rustlib")
+        .join(target.triple)
+        .join("lib")
+        .join("self-contained");
     fs::create_dir_all(&target_lib_dir).expect("creating target_lib_dir failed");
     for src in target_libs {
         builder.copy_to_folder(&src, &target_lib_dir);
@@ -327,11 +269,11 @@ fn make_win_dist(
 
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Mingw {
-    pub host: Interned<String>,
+    pub host: TargetSelection,
 }
 
 impl Step for Mingw {
-    type Output = Option<PathBuf>;
+    type Output = Option<GeneratedTarball>;
     const DEFAULT: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
@@ -346,39 +288,22 @@ impl Step for Mingw {
     ///
     /// This contains all the bits and pieces to run the MinGW Windows targets
     /// without any extra installed software (e.g., we bundle gcc, libraries, etc).
-    fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
         let host = self.host;
-
         if !host.contains("pc-windows-gnu") {
             return None;
         }
 
-        builder.info(&format!("Dist mingw ({})", host));
-        let name = pkgname(builder, "rust-mingw");
-        let image = tmpdir(builder).join(format!("{}-{}-image", name, host));
-        let _ = fs::remove_dir_all(&image);
-        t!(fs::create_dir_all(&image));
+        let mut tarball = Tarball::new(builder, "rust-mingw", &host.triple);
+        tarball.set_product_name("Rust MinGW");
 
         // The first argument is a "temporary directory" which is just
         // thrown away (this contains the runtime DLLs included in the rustc package
         // above) and the second argument is where to place all the MinGW components
         // (which is what we want).
-        make_win_dist(&tmpdir(builder), &image, host, &builder);
-
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust-MinGW")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=Rust-MinGW-is-installed.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg(format!("--package-name={}-{}", name, host))
-           .arg("--component-name=rust-mingw")
-           .arg("--legacy-manifest-dirs=rustlib,cargo");
-        builder.run(&mut cmd);
-        t!(fs::remove_dir_all(&image));
-        Some(distdir(builder).join(format!("{}-{}.tar.gz", name, host)))
+        make_win_dist(&tmpdir(builder), tarball.image_dir(), host, &builder);
+
+        Some(tarball.generate())
     }
 }
 
@@ -388,7 +313,7 @@ pub struct Rustc {
 }
 
 impl Step for Rustc {
-    type Output = PathBuf;
+    type Output = GeneratedTarball;
     const DEFAULT: bool = true;
     const ONLY_HOSTS: bool = true;
 
@@ -397,41 +322,19 @@ impl Step for Rustc {
     }
 
     fn make_run(run: RunConfig<'_>) {
-        run.builder.ensure(Rustc {
-            compiler: run.builder.compiler(run.builder.top_stage, run.target),
-        });
+        run.builder
+            .ensure(Rustc { compiler: run.builder.compiler(run.builder.top_stage, run.target) });
     }
 
     /// Creates the `rustc` installer component.
-    fn run(self, builder: &Builder<'_>) -> PathBuf {
+    fn run(self, builder: &Builder<'_>) -> GeneratedTarball {
         let compiler = self.compiler;
         let host = self.compiler.host;
 
-        builder.info(&format!("Dist rustc stage{} ({})", compiler.stage, host));
-        let name = pkgname(builder, "rustc");
-        let image = tmpdir(builder).join(format!("{}-{}-image", name, host));
-        let _ = fs::remove_dir_all(&image);
-        let overlay = tmpdir(builder).join(format!("{}-{}-overlay", name, host));
-        let _ = fs::remove_dir_all(&overlay);
+        let tarball = Tarball::new(builder, "rustc", &host.triple);
 
         // Prepare the rustc "image", what will actually end up getting installed
-        prepare_image(builder, compiler, &image);
-
-        // Prepare the overlay which is part of the tarball but won't actually be
-        // installed
-        let cp = |file: &str| {
-            builder.install(&builder.src.join(file), &overlay, 0o644);
-        };
-        cp("COPYRIGHT");
-        cp("LICENSE-APACHE");
-        cp("LICENSE-MIT");
-        cp("README.md");
-        // tiny morsel of metadata is used by rust-packaging
-        let version = builder.rust_version();
-        builder.create(&overlay.join("version"), &version);
-        if let Some(sha) = builder.rust_sha() {
-            builder.create(&overlay.join("git-commit-hash"), &sha);
-        }
+        prepare_image(builder, compiler, tarball.image_dir());
 
         // On MinGW we've got a few runtime DLL dependencies that we need to
         // include. The first argument to this script is where to put these DLLs
@@ -444,36 +347,15 @@ impl Step for Rustc {
         // install will *also* include the rust-mingw package, which also needs
         // licenses, so to be safe we just include it here in all MinGW packages.
         if host.contains("pc-windows-gnu") {
-            make_win_dist(&image, &tmpdir(builder), host, builder);
-
-            let dst = image.join("share/doc");
-            t!(fs::create_dir_all(&dst));
-            builder.cp_r(&builder.src.join("src/etc/third-party"), &dst);
+            make_win_dist(tarball.image_dir(), &tmpdir(builder), host, builder);
+            tarball.add_dir(builder.src.join("src/etc/third-party"), "share/doc");
         }
 
-        // Finally, wrap everything up in a nice tarball!
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=Rust-is-ready-to-roll.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg("--non-installed-overlay").arg(&overlay)
-           .arg(format!("--package-name={}-{}", name, host))
-           .arg("--component-name=rustc")
-           .arg("--legacy-manifest-dirs=rustlib,cargo");
-        builder.run(&mut cmd);
-        builder.remove_dir(&image);
-        builder.remove_dir(&overlay);
-
-        return distdir(builder).join(format!("{}-{}.tar.gz", name, host));
+        return tarball.generate();
 
         fn prepare_image(builder: &Builder<'_>, compiler: Compiler, image: &Path) {
             let host = compiler.host;
             let src = builder.sysroot(compiler);
-            let libdir = builder.rustc_libdir(compiler);
 
             // Copy rustc/rustdoc binaries
             t!(fs::create_dir_all(image.join("bin")));
@@ -485,11 +367,14 @@ impl Step for Rustc {
 
             // Copy runtime DLLs needed by the compiler
             if libdir_relative.to_str() != Some("bin") {
+                let libdir = builder.rustc_libdir(compiler);
                 for entry in builder.read_dir(&libdir) {
                     let name = entry.file_name();
                     if let Some(s) = name.to_str() {
                         if is_dylib(s) {
-                            builder.install(&entry.path(), &image.join(&libdir_relative), 0o644);
+                            // Don't use custom libdir here because ^lib/ will be resolved again
+                            // with installer
+                            builder.install(&entry.path(), &image.join("lib"), 0o644);
                         }
                     }
                 }
@@ -497,8 +382,14 @@ impl Step for Rustc {
 
             // Copy over the codegen backends
             let backends_src = builder.sysroot_codegen_backends(compiler);
-            let backends_rel = backends_src.strip_prefix(&src).unwrap();
-            let backends_dst = image.join(&backends_rel);
+            let backends_rel = backends_src
+                .strip_prefix(&src)
+                .unwrap()
+                .strip_prefix(builder.sysroot_libdir_relative(compiler))
+                .unwrap();
+            // Don't use custom libdir here because ^lib/ will be resolved again with installer
+            let backends_dst = image.join("lib").join(&backends_rel);
+
             t!(fs::create_dir_all(&backends_dst));
             builder.cp_r(&backends_src, &backends_dst);
 
@@ -507,25 +398,28 @@ impl Step for Rustc {
             // components like the llvm tools and LLD. LLD is included below and
             // tools/LLDB come later, so let's just throw it in the rustc
             // component for now.
-            maybe_install_llvm_dylib(builder, host, image);
+            maybe_install_llvm_runtime(builder, host, image);
+
+            let src_dir = builder.sysroot_libdir(compiler, host).parent().unwrap().join("bin");
+            let dst_dir = image.join("lib/rustlib").join(&*host.triple).join("bin");
+            t!(fs::create_dir_all(&dst_dir));
 
             // Copy over lld if it's there
             if builder.config.lld_enabled {
-                let exe = exe("rust-lld", &compiler.host);
-                let src = builder.sysroot_libdir(compiler, host)
-                    .parent()
-                    .unwrap()
-                    .join("bin")
-                    .join(&exe);
-                // for the rationale about this rename check `compile::copy_lld_to_sysroot`
-                let dst = image.join("lib/rustlib")
-                    .join(&*host)
-                    .join("bin")
-                    .join(&exe);
-                t!(fs::create_dir_all(&dst.parent().unwrap()));
-                builder.copy(&src, &dst);
+                let rust_lld = exe("rust-lld", compiler.host);
+                builder.copy(&src_dir.join(&rust_lld), &dst_dir.join(&rust_lld));
+                // for `-Z gcc-ld=lld`
+                let gcc_lld_dir = dst_dir.join("gcc-ld");
+                t!(fs::create_dir(&gcc_lld_dir));
+                builder.copy(&src_dir.join(&rust_lld), &gcc_lld_dir.join(exe("ld", compiler.host)));
+                builder
+                    .copy(&src_dir.join(&rust_lld), &gcc_lld_dir.join(exe("ld64", compiler.host)));
             }
 
+            // Copy over llvm-dwp if it's there
+            let exe = exe("rust-llvm-dwp", compiler.host);
+            builder.copy(&src_dir.join(&exe), &dst_dir.join(&exe));
+
             // Man pages
             t!(fs::create_dir_all(image.join("share/man/man1")));
             let man_src = builder.src.join("src/doc/man");
@@ -534,9 +428,10 @@ impl Step for Rustc {
             // Reproducible builds: If SOURCE_DATE_EPOCH is set, use that as the time.
             let time = env::var("SOURCE_DATE_EPOCH")
                 .map(|timestamp| {
-                    let epoch = timestamp.parse().map_err(|err| {
-                        format!("could not parse SOURCE_DATE_EPOCH: {}", err)
-                    }).unwrap();
+                    let epoch = timestamp
+                        .parse()
+                        .map_err(|err| format!("could not parse SOURCE_DATE_EPOCH: {}", err))
+                        .unwrap();
 
                     time::at(Timespec::new(epoch, 0))
                 })
@@ -550,16 +445,18 @@ impl Step for Rustc {
                 let page_dst = man_dst.join(file_entry.file_name());
                 t!(fs::copy(&page_src, &page_dst));
                 // template in month/year and version number
-                builder.replace_in_file(&page_dst,
-                                &[("<INSERT DATE HERE>", &month_year),
-                                  ("<INSERT VERSION HERE>", channel::CFG_RELEASE_NUM)]);
+                builder.replace_in_file(
+                    &page_dst,
+                    &[
+                        ("<INSERT DATE HERE>", &month_year),
+                        ("<INSERT VERSION HERE>", &builder.version),
+                    ],
+                );
             }
 
             // Debugger scripts
-            builder.ensure(DebuggerScripts {
-                sysroot: INTERNER.intern_path(image.to_owned()),
-                host,
-            });
+            builder
+                .ensure(DebuggerScripts { sysroot: INTERNER.intern_path(image.to_owned()), host });
 
             // Misc license info
             let cp = |file: &str| {
@@ -576,7 +473,7 @@ impl Step for Rustc {
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct DebuggerScripts {
     pub sysroot: Interned<PathBuf>,
-    pub host: Interned<String>,
+    pub host: TargetSelection,
 }
 
 impl Step for DebuggerScripts {
@@ -588,7 +485,9 @@ impl Step for DebuggerScripts {
 
     fn make_run(run: RunConfig<'_>) {
         run.builder.ensure(DebuggerScripts {
-            sysroot: run.builder.sysroot(run.builder.compiler(run.builder.top_stage, run.host)),
+            sysroot: run
+                .builder
+                .sysroot(run.builder.compiler(run.builder.top_stage, run.build_triple())),
             host: run.target,
         });
     }
@@ -604,29 +503,59 @@ impl Step for DebuggerScripts {
         };
         if host.contains("windows-msvc") {
             // windbg debugger scripts
-            builder.install(&builder.src.join("src/etc/rust-windbg.cmd"), &sysroot.join("bin"),
-                0o755);
+            builder.install(
+                &builder.src.join("src/etc/rust-windbg.cmd"),
+                &sysroot.join("bin"),
+                0o755,
+            );
 
             cp_debugger_script("natvis/intrinsic.natvis");
             cp_debugger_script("natvis/liballoc.natvis");
             cp_debugger_script("natvis/libcore.natvis");
+            cp_debugger_script("natvis/libstd.natvis");
         } else {
-            cp_debugger_script("debugger_pretty_printers_common.py");
+            cp_debugger_script("rust_types.py");
 
             // gdb debugger scripts
-            builder.install(&builder.src.join("src/etc/rust-gdb"), &sysroot.join("bin"),
-                    0o755);
-            builder.install(&builder.src.join("src/etc/rust-gdbgui"), &sysroot.join("bin"),
-                    0o755);
+            builder.install(&builder.src.join("src/etc/rust-gdb"), &sysroot.join("bin"), 0o755);
+            builder.install(&builder.src.join("src/etc/rust-gdbgui"), &sysroot.join("bin"), 0o755);
 
             cp_debugger_script("gdb_load_rust_pretty_printers.py");
-            cp_debugger_script("gdb_rust_pretty_printing.py");
+            cp_debugger_script("gdb_lookup.py");
+            cp_debugger_script("gdb_providers.py");
 
             // lldb debugger scripts
-            builder.install(&builder.src.join("src/etc/rust-lldb"), &sysroot.join("bin"),
-                    0o755);
+            builder.install(&builder.src.join("src/etc/rust-lldb"), &sysroot.join("bin"), 0o755);
+
+            cp_debugger_script("lldb_lookup.py");
+            cp_debugger_script("lldb_providers.py");
+            cp_debugger_script("lldb_commands")
+        }
+    }
+}
+
+fn skip_host_target_lib(builder: &Builder<'_>, compiler: Compiler) -> bool {
+    // The only true set of target libraries came from the build triple, so
+    // let's reduce redundant work by only producing archives from that host.
+    if compiler.host != builder.config.build {
+        builder.info("\tskipping, not a build host");
+        true
+    } else {
+        false
+    }
+}
 
-            cp_debugger_script("lldb_rust_formatters.py");
+/// Copy stamped files into an image's `target/lib` directory.
+fn copy_target_libs(builder: &Builder<'_>, target: TargetSelection, image: &Path, stamp: &Path) {
+    let dst = image.join("lib/rustlib").join(target.triple).join("lib");
+    let self_contained_dst = dst.join("self-contained");
+    t!(fs::create_dir_all(&dst));
+    t!(fs::create_dir_all(&self_contained_dst));
+    for (path, dependency_type) in builder.read_stamp_file(stamp) {
+        if dependency_type == DependencyType::TargetSelfContained {
+            builder.copy(&path, &self_contained_dst.join(path.file_name().unwrap()));
+        } else if dependency_type == DependencyType::Target || builder.config.build == target {
+            builder.copy(&path, &dst.join(path.file_name().unwrap()));
         }
     }
 }
@@ -634,199 +563,212 @@ impl Step for DebuggerScripts {
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Std {
     pub compiler: Compiler,
-    pub target: Interned<String>,
+    pub target: TargetSelection,
 }
 
 impl Step for Std {
-    type Output = PathBuf;
+    type Output = Option<GeneratedTarball>;
     const DEFAULT: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("src/libstd")
+        run.path("library/std")
     }
 
     fn make_run(run: RunConfig<'_>) {
         run.builder.ensure(Std {
-            compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
             target: run.target,
         });
     }
 
-    fn run(self, builder: &Builder<'_>) -> PathBuf {
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
         let compiler = self.compiler;
         let target = self.target;
 
-        let name = pkgname(builder, "rust-std");
-        builder.info(&format!("Dist std stage{} ({} -> {})",
-            compiler.stage, &compiler.host, target));
-
-        // The only true set of target libraries came from the build triple, so
-        // let's reduce redundant work by only producing archives from that host.
-        if compiler.host != builder.config.build {
-            builder.info("\tskipping, not a build host");
-            return distdir(builder).join(format!("{}-{}.tar.gz", name, target));
+        if skip_host_target_lib(builder, compiler) {
+            return None;
         }
 
-        // We want to package up as many target libraries as possible
-        // for the `rust-std` package, so if this is a host target we
-        // depend on librustc and otherwise we just depend on libtest.
-        if builder.hosts.iter().any(|t| t == target) {
-            builder.ensure(compile::Rustc { compiler, target });
-        } else {
-            if builder.no_std(target) == Some(true) {
-                // the `test` doesn't compile for no-std targets
-                builder.ensure(compile::Std { compiler, target });
-            } else {
-                builder.ensure(compile::Test { compiler, target });
-            }
-        }
+        builder.ensure(compile::Std { compiler, target });
 
-        let image = tmpdir(builder).join(format!("{}-{}-image", name, target));
-        let _ = fs::remove_dir_all(&image);
+        let mut tarball = Tarball::new(builder, "rust-std", &target.triple);
+        tarball.include_target_in_component_name(true);
 
-        let dst = image.join("lib/rustlib").join(target);
-        t!(fs::create_dir_all(&dst));
-        let mut src = builder.sysroot_libdir(compiler, target).to_path_buf();
-        src.pop(); // Remove the trailing /lib folder from the sysroot_libdir
-        builder.cp_filtered(&src, &dst, &|path| {
-            if let Some(name) = path.file_name().and_then(|s| s.to_str()) {
-                if name == builder.config.rust_codegen_backends_dir.as_str() {
-                    return false
-                }
-                if name == "bin" {
-                    return false
-                }
-                if name.contains("LLVM") {
-                    return false
-                }
-            }
-            true
+        let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);
+        let stamp = compile::libstd_stamp(builder, compiler_to_use, target);
+        copy_target_libs(builder, target, &tarball.image_dir(), &stamp);
+
+        Some(tarball.generate())
+    }
+}
+
+#[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
+pub struct RustcDev {
+    pub compiler: Compiler,
+    pub target: TargetSelection,
+}
+
+impl Step for RustcDev {
+    type Output = Option<GeneratedTarball>;
+    const DEFAULT: bool = true;
+    const ONLY_HOSTS: bool = true;
+
+    fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+        run.path("rustc-dev")
+    }
+
+    fn make_run(run: RunConfig<'_>) {
+        run.builder.ensure(RustcDev {
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
+            target: run.target,
         });
+    }
 
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=std-is-standing-at-the-ready.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg(format!("--package-name={}-{}", name, target))
-           .arg(format!("--component-name=rust-std-{}", target))
-           .arg("--legacy-manifest-dirs=rustlib,cargo");
-        builder.run(&mut cmd);
-        builder.remove_dir(&image);
-        distdir(builder).join(format!("{}-{}.tar.gz", name, target))
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
+        let compiler = self.compiler;
+        let target = self.target;
+        if skip_host_target_lib(builder, compiler) {
+            return None;
+        }
+
+        builder.ensure(compile::Rustc { compiler, target });
+
+        let tarball = Tarball::new(builder, "rustc-dev", &target.triple);
+
+        let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target);
+        let stamp = compile::librustc_stamp(builder, compiler_to_use, target);
+        copy_target_libs(builder, target, tarball.image_dir(), &stamp);
+
+        let src_files = &["Cargo.lock"];
+        // This is the reduced set of paths which will become the rustc-dev component
+        // (essentially the compiler crates and all of their path dependencies).
+        copy_src_dirs(
+            builder,
+            &builder.src,
+            &["compiler"],
+            &[],
+            &tarball.image_dir().join("lib/rustlib/rustc-src/rust"),
+        );
+        // This particular crate is used as a build dependency of the above.
+        copy_src_dirs(
+            builder,
+            &builder.src,
+            &["src/build_helper"],
+            &[],
+            &tarball.image_dir().join("lib/rustlib/rustc-src/rust"),
+        );
+        for file in src_files {
+            tarball.add_file(builder.src.join(file), "lib/rustlib/rustc-src/rust", 0o644);
+        }
+
+        Some(tarball.generate())
     }
 }
 
 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Analysis {
     pub compiler: Compiler,
-    pub target: Interned<String>,
+    pub target: TargetSelection,
 }
 
 impl Step for Analysis {
-    type Output = PathBuf;
+    type Output = Option<GeneratedTarball>;
     const DEFAULT: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        let builder = run.builder;
-        run.path("analysis").default_condition(builder.config.extended)
+        let default = should_build_extended_tool(&run.builder, "analysis");
+        run.path("analysis").default_condition(default)
     }
 
     fn make_run(run: RunConfig<'_>) {
         run.builder.ensure(Analysis {
-            compiler: run.builder.compiler(run.builder.top_stage, run.builder.config.build),
+            // 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: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
             target: run.target,
         });
     }
 
     /// Creates a tarball of save-analysis metadata, if available.
-    fn run(self, builder: &Builder<'_>) -> PathBuf {
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
         let compiler = self.compiler;
         let target = self.target;
-        assert!(builder.config.extended);
-        builder.info("Dist analysis");
-        let name = pkgname(builder, "rust-analysis");
-
-        if &compiler.host != builder.config.build {
-            builder.info("\tskipping, not a build host");
-            return distdir(builder).join(format!("{}-{}.tar.gz", name, target));
+        if compiler.host != builder.config.build {
+            return None;
         }
 
-        builder.ensure(Std { compiler, target });
-
-        // Package save-analysis from stage1 if not doing a full bootstrap, as the
-        // stage2 artifacts is simply copied from stage1 in that case.
-        let compiler = if builder.force_use_stage1(compiler, target) {
-            builder.compiler(1, compiler.host)
-        } else {
-            compiler.clone()
-        };
-
-        let image = tmpdir(builder).join(format!("{}-{}-image", name, target));
+        builder.ensure(compile::Std { compiler, target });
+        let src = builder
+            .stage_out(compiler, Mode::Std)
+            .join(target.triple)
+            .join(builder.cargo_dir())
+            .join("deps")
+            .join("save-analysis");
 
-        let src = builder.stage_out(compiler, Mode::Std)
-            .join(target).join(builder.cargo_dir()).join("deps");
-
-        let image_src = src.join("save-analysis");
-        let dst = image.join("lib/rustlib").join(target).join("analysis");
-        t!(fs::create_dir_all(&dst));
-        builder.info(&format!("image_src: {:?}, dst: {:?}", image_src, dst));
-        builder.cp_r(&image_src, &dst);
-
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=save-analysis-saved.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg(format!("--package-name={}-{}", name, target))
-           .arg(format!("--component-name=rust-analysis-{}", target))
-           .arg("--legacy-manifest-dirs=rustlib,cargo");
-        builder.run(&mut cmd);
-        builder.remove_dir(&image);
-        distdir(builder).join(format!("{}-{}.tar.gz", name, target))
+        let mut tarball = Tarball::new(builder, "rust-analysis", &target.triple);
+        tarball.include_target_in_component_name(true);
+        tarball.add_dir(src, format!("lib/rustlib/{}/analysis", target.triple));
+        Some(tarball.generate())
     }
 }
 
-fn copy_src_dirs(builder: &Builder<'_>, src_dirs: &[&str], exclude_dirs: &[&str], dst_dir: &Path) {
+/// Use the `builder` to make a filtered copy of `base`/X for X in (`src_dirs` - `exclude_dirs`) to
+/// `dst_dir`.
+fn copy_src_dirs(
+    builder: &Builder<'_>,
+    base: &Path,
+    src_dirs: &[&str],
+    exclude_dirs: &[&str],
+    dst_dir: &Path,
+) {
     fn filter_fn(exclude_dirs: &[&str], dir: &str, path: &Path) -> bool {
         let spath = match path.to_str() {
             Some(path) => path,
             None => return false,
         };
-        if spath.ends_with("~") || spath.ends_with(".pyc") {
-            return false
+        if spath.ends_with('~') || spath.ends_with(".pyc") {
+            return false;
         }
 
         const LLVM_PROJECTS: &[&str] = &[
-            "llvm-project/clang", "llvm-project\\clang",
-            "llvm-project/lld", "llvm-project\\lld",
-            "llvm-project/lldb", "llvm-project\\lldb",
-            "llvm-project/llvm", "llvm-project\\llvm",
+            "llvm-project/clang",
+            "llvm-project\\clang",
+            "llvm-project/libunwind",
+            "llvm-project\\libunwind",
+            "llvm-project/lld",
+            "llvm-project\\lld",
+            "llvm-project/lldb",
+            "llvm-project\\lldb",
+            "llvm-project/llvm",
+            "llvm-project\\llvm",
+            "llvm-project/compiler-rt",
+            "llvm-project\\compiler-rt",
         ];
-        if spath.contains("llvm-project") && !spath.ends_with("llvm-project")
+        if spath.contains("llvm-project")
+            && !spath.ends_with("llvm-project")
             && !LLVM_PROJECTS.iter().any(|path| spath.contains(path))
         {
             return false;
         }
 
-        const LLVM_TEST: &[&str] = &[
-            "llvm-project/llvm/test", "llvm-project\\llvm\\test",
-            "llvm-emscripten/test", "llvm-emscripten\\test",
-        ];
-        if LLVM_TEST.iter().any(|path| spath.contains(path)) &&
-            (spath.ends_with(".ll") ||
-             spath.ends_with(".td") ||
-             spath.ends_with(".s")) {
-            return false
-        }
-        if spath.contains("test/emscripten") || spath.contains("test\\emscripten") {
-            return false
+        const LLVM_TEST: &[&str] = &["llvm-project/llvm/test", "llvm-project\\llvm\\test"];
+        if LLVM_TEST.iter().any(|path| spath.contains(path))
+            && (spath.ends_with(".ll") || spath.ends_with(".td") || spath.ends_with(".s"))
+        {
+            return false;
         }
 
         let full_path = Path::new(dir).join(path);
@@ -835,22 +777,36 @@ fn copy_src_dirs(builder: &Builder<'_>, src_dirs: &[&str], exclude_dirs: &[&str]
         }
 
         let excludes = [
-            "CVS", "RCS", "SCCS", ".git", ".gitignore", ".gitmodules",
-            ".gitattributes", ".cvsignore", ".svn", ".arch-ids", "{arch}",
-            "=RELEASE-ID", "=meta-update", "=update", ".bzr", ".bzrignore",
-            ".bzrtags", ".hg", ".hgignore", ".hgrags", "_darcs",
+            "CVS",
+            "RCS",
+            "SCCS",
+            ".git",
+            ".gitignore",
+            ".gitmodules",
+            ".gitattributes",
+            ".cvsignore",
+            ".svn",
+            ".arch-ids",
+            "{arch}",
+            "=RELEASE-ID",
+            "=meta-update",
+            "=update",
+            ".bzr",
+            ".bzrignore",
+            ".bzrtags",
+            ".hg",
+            ".hgignore",
+            ".hgrags",
+            "_darcs",
         ];
-        !path.iter()
-             .map(|s| s.to_str().unwrap())
-             .any(|s| excludes.contains(&s))
+        !path.iter().map(|s| s.to_str().unwrap()).any(|s| excludes.contains(&s))
     }
 
     // Copy the directories using our filter
     for item in src_dirs {
         let dst = &dst_dir.join(item);
         t!(fs::create_dir_all(dst));
-        builder.cp_filtered(
-            &builder.src.join(item), dst, &|path| filter_fn(exclude_dirs, item, path));
+        builder.cp_filtered(&base.join(item), dst, &|path| filter_fn(exclude_dirs, item, path));
     }
 }
 
@@ -859,7 +815,7 @@ pub struct Src;
 
 impl Step for Src {
     /// The output path of the src installer tarball
-    type Output = PathBuf;
+    type Output = GeneratedTarball;
     const DEFAULT: bool = true;
     const ONLY_HOSTS: bool = true;
 
@@ -872,77 +828,46 @@ impl Step for Src {
     }
 
     /// Creates the `rust-src` installer component
-    fn run(self, builder: &Builder<'_>) -> PathBuf {
-        builder.info("Dist src");
+    fn run(self, builder: &Builder<'_>) -> GeneratedTarball {
+        let tarball = Tarball::new_targetless(builder, "rust-src");
 
-        let name = pkgname(builder, "rust-src");
-        let image = tmpdir(builder).join(format!("{}-image", name));
-        let _ = fs::remove_dir_all(&image);
-
-        let dst = image.join("lib/rustlib/src");
-        let dst_src = dst.join("rust");
-        t!(fs::create_dir_all(&dst_src));
+        // A lot of tools expect the rust-src component to be entirely in this directory, so if you
+        // change that (e.g. by adding another directory `lib/rustlib/src/foo` or
+        // `lib/rustlib/src/rust/foo`), you will need to go around hunting for implicit assumptions
+        // and fix them...
+        //
+        // NOTE: if you update the paths here, you also should update the "virtual" path
+        // translation code in `imported_source_files` in `src/librustc_metadata/rmeta/decoder.rs`
+        let dst_src = tarball.image_dir().join("lib/rustlib/src/rust");
 
-        let src_files = [
-            "Cargo.lock",
-        ];
+        let src_files = ["Cargo.lock"];
         // This is the reduced set of paths which will become the rust-src component
-        // (essentially libstd and all of its path dependencies)
-        let std_src_dirs = [
-            "src/build_helper",
-            "src/liballoc",
-            "src/libcore",
-            "src/libpanic_abort",
-            "src/libpanic_unwind",
-            "src/librustc_asan",
-            "src/librustc_lsan",
-            "src/librustc_msan",
-            "src/librustc_tsan",
-            "src/libstd",
-            "src/libunwind",
-            "src/libtest",
-            "src/libterm",
-            "src/libprofiler_builtins",
-            "src/stdsimd",
-            "src/libproc_macro",
-            "src/tools/rustc-std-workspace-core",
-            "src/tools/rustc-std-workspace-alloc",
-            "src/librustc",
-            "src/libsyntax",
-        ];
-
-        copy_src_dirs(builder, &std_src_dirs[..], &[], &dst_src);
+        // (essentially libstd and all of its path dependencies).
+        copy_src_dirs(
+            builder,
+            &builder.src,
+            &["library", "src/llvm-project/libunwind"],
+            &[
+                // not needed and contains symlinks which rustup currently
+                // chokes on when unpacking.
+                "library/backtrace/crates",
+            ],
+            &dst_src,
+        );
         for file in src_files.iter() {
             builder.copy(&builder.src.join(file), &dst_src.join(file));
         }
 
-        // Create source tarball in rust-installer format
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=Awesome-Source.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg(format!("--package-name={}", name))
-           .arg("--component-name=rust-src")
-           .arg("--legacy-manifest-dirs=rustlib,cargo");
-        builder.run(&mut cmd);
-
-        builder.remove_dir(&image);
-        distdir(builder).join(&format!("{}.tar.gz", name))
+        tarball.generate()
     }
 }
 
-const CARGO_VENDOR_VERSION: &str = "0.1.22";
-
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct PlainSourceTarball;
 
 impl Step for PlainSourceTarball {
     /// Produces the location of the tarball generated
-    type Output = PathBuf;
+    type Output = GeneratedTarball;
     const DEFAULT: bool = true;
     const ONLY_HOSTS: bool = true;
 
@@ -956,14 +881,9 @@ impl Step for PlainSourceTarball {
     }
 
     /// Creates the plain source tarball
-    fn run(self, builder: &Builder<'_>) -> PathBuf {
-        builder.info("Create plain source tarball");
-
-        // Make sure that the root folder of tarball has the correct name
-        let plain_name = format!("{}-src", pkgname(builder, "rustc"));
-        let plain_dst_src = tmpdir(builder).join(&plain_name);
-        let _ = fs::remove_dir_all(&plain_dst_src);
-        t!(fs::create_dir_all(&plain_dst_src));
+    fn run(self, builder: &Builder<'_>) -> GeneratedTarball {
+        let tarball = Tarball::new(builder, "rustc", "src");
+        let plain_dst_src = tarball.image_dir();
 
         // This is the set of root paths which will become part of the source package
         let src_files = [
@@ -979,11 +899,9 @@ impl Step for PlainSourceTarball {
             "Cargo.toml",
             "Cargo.lock",
         ];
-        let src_dirs = [
-            "src",
-        ];
+        let src_dirs = ["src", "compiler", "library"];
 
-        copy_src_dirs(builder, &src_dirs[..], &[], &plain_dst_src);
+        copy_src_dirs(builder, &builder.src, &src_dirs, &[], &plain_dst_src);
 
         // Copy the files normally
         for item in &src_files {
@@ -998,50 +916,17 @@ impl Step for PlainSourceTarball {
 
         // If we're building from git sources, we need to vendor a complete distribution.
         if builder.rust_info.is_git() {
-            // Get cargo-vendor installed, if it isn't already.
-            let mut has_cargo_vendor = false;
-            let mut cmd = Command::new(&builder.initial_cargo);
-            for line in output(cmd.arg("install").arg("--list")).lines() {
-                has_cargo_vendor |= line.starts_with("cargo-vendor ");
-            }
-            if !has_cargo_vendor {
-                let mut cmd = builder.cargo(
-                    builder.compiler(0, builder.config.build),
-                    Mode::ToolBootstrap,
-                    builder.config.build,
-                    "install"
-                );
-                cmd.arg("--force")
-                   .arg("--debug")
-                   .arg("--vers").arg(CARGO_VENDOR_VERSION)
-                   .arg("cargo-vendor");
-                builder.run(&mut cmd);
-            }
-
             // Vendor all Cargo dependencies
             let mut cmd = Command::new(&builder.initial_cargo);
             cmd.arg("vendor")
-               .current_dir(&plain_dst_src);
+                .arg("--sync")
+                .arg(builder.src.join("./src/tools/rust-analyzer/Cargo.toml"))
+                .arg(builder.src.join("./compiler/rustc_codegen_cranelift/Cargo.toml"))
+                .current_dir(&plain_dst_src);
             builder.run(&mut cmd);
         }
 
-        // Create plain source tarball
-        let plain_name = format!("rustc-{}-src", builder.rust_package_vers());
-        let mut tarball = distdir(builder).join(&format!("{}.tar.gz", plain_name));
-        tarball.set_extension(""); // strip .gz
-        tarball.set_extension(""); // strip .tar
-        if let Some(dir) = tarball.parent() {
-            builder.create_dir(&dir);
-        }
-        builder.info("running installer");
-        let mut cmd = rust_installer(builder);
-        cmd.arg("tarball")
-           .arg("--input").arg(&plain_name)
-           .arg("--output").arg(&tarball)
-           .arg("--work-dir=.")
-           .current_dir(tmpdir(builder));
-        builder.run(&mut cmd);
-        distdir(builder).join(&format!("{}.tar.gz", plain_name))
+        tarball.bare()
     }
 }
 
@@ -1049,16 +934,20 @@ impl Step for PlainSourceTarball {
 // characters and on `C:\` paths, so normalize both of them away.
 pub fn sanitize_sh(path: &Path) -> String {
     let path = path.to_str().unwrap().replace("\\", "/");
-    return change_drive(&path).unwrap_or(path);
+    return change_drive(unc_to_lfs(&path)).unwrap_or(path);
+
+    fn unc_to_lfs(s: &str) -> &str {
+        s.strip_prefix("//?/").unwrap_or(s)
+    }
 
     fn change_drive(s: &str) -> Option<String> {
         let mut ch = s.chars();
         let drive = ch.next().unwrap_or('C');
         if ch.next() != Some(':') {
-            return None
+            return None;
         }
         if ch.next() != Some('/') {
-            return None
+            return None;
         }
         Some(format!("/{}/{}", drive, &s[drive.len_utf8() + 2..]))
     }
@@ -1066,423 +955,390 @@ pub fn sanitize_sh(path: &Path) -> String {
 
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Cargo {
-    pub stage: u32,
-    pub target: Interned<String>,
+    pub compiler: Compiler,
+    pub target: TargetSelection,
 }
 
 impl Step for Cargo {
-    type Output = PathBuf;
+    type Output = Option<GeneratedTarball>;
+    const DEFAULT: bool = true;
     const ONLY_HOSTS: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("cargo")
+        let default = should_build_extended_tool(&run.builder, "cargo");
+        run.path("cargo").default_condition(default)
     }
 
     fn make_run(run: RunConfig<'_>) {
         run.builder.ensure(Cargo {
-            stage: run.builder.top_stage,
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
             target: run.target,
         });
     }
 
-    fn run(self, builder: &Builder<'_>) -> PathBuf {
-        let stage = self.stage;
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
+        let compiler = self.compiler;
         let target = self.target;
 
-        builder.info(&format!("Dist cargo stage{} ({})", stage, target));
+        let cargo = builder.ensure(tool::Cargo { compiler, target });
         let src = builder.src.join("src/tools/cargo");
         let etc = src.join("src/etc");
-        let release_num = builder.release_num("cargo");
-        let name = pkgname(builder, "cargo");
-        let version = builder.cargo_info.version(builder, &release_num);
-
-        let tmp = tmpdir(builder);
-        let image = tmp.join("cargo-image");
-        drop(fs::remove_dir_all(&image));
-        builder.create_dir(&image);
 
         // Prepare the image directory
-        builder.create_dir(&image.join("share/zsh/site-functions"));
-        builder.create_dir(&image.join("etc/bash_completion.d"));
-        let cargo = builder.ensure(tool::Cargo {
-            compiler: builder.compiler(stage, builder.config.build),
-            target
-        });
-        builder.install(&cargo, &image.join("bin"), 0o755);
-        for man in t!(etc.join("man").read_dir()) {
-            let man = t!(man);
-            builder.install(&man.path(), &image.join("share/man/man1"), 0o644);
+        let mut tarball = Tarball::new(builder, "cargo", &target.triple);
+        tarball.set_overlay(OverlayKind::Cargo);
+
+        tarball.add_file(&cargo, "bin", 0o755);
+        tarball.add_file(etc.join("_cargo"), "share/zsh/site-functions", 0o644);
+        tarball.add_renamed_file(etc.join("cargo.bashcomp.sh"), "etc/bash_completion.d", "cargo");
+        tarball.add_dir(etc.join("man"), "share/man/man1");
+        tarball.add_legal_and_readme_to("share/doc/cargo");
+
+        for dirent in fs::read_dir(cargo.parent().unwrap()).expect("read_dir") {
+            let dirent = dirent.expect("read dir entry");
+            if dirent.file_name().to_str().expect("utf8").starts_with("cargo-credential-") {
+                tarball.add_file(&dirent.path(), "libexec", 0o755);
+            }
         }
-        builder.install(&etc.join("_cargo"), &image.join("share/zsh/site-functions"), 0o644);
-        builder.copy(&etc.join("cargo.bashcomp.sh"),
-             &image.join("etc/bash_completion.d/cargo"));
-        let doc = image.join("share/doc/cargo");
-        builder.install(&src.join("README.md"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-THIRD-PARTY"), &doc, 0o644);
-
-        // Prepare the overlay
-        let overlay = tmp.join("cargo-overlay");
-        drop(fs::remove_dir_all(&overlay));
-        builder.create_dir(&overlay);
-        builder.install(&src.join("README.md"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-THIRD-PARTY"), &overlay, 0o644);
-        builder.create(&overlay.join("version"), &version);
-
-        // Generate the installer tarball
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=Rust-is-ready-to-roll.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg("--non-installed-overlay").arg(&overlay)
-           .arg(format!("--package-name={}-{}", name, target))
-           .arg("--component-name=cargo")
-           .arg("--legacy-manifest-dirs=rustlib,cargo");
-        builder.run(&mut cmd);
-        distdir(builder).join(format!("{}-{}.tar.gz", name, target))
+
+        Some(tarball.generate())
     }
 }
 
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Rls {
-    pub stage: u32,
-    pub target: Interned<String>,
+    pub compiler: Compiler,
+    pub target: TargetSelection,
 }
 
 impl Step for Rls {
-    type Output = Option<PathBuf>;
+    type Output = Option<GeneratedTarball>;
     const ONLY_HOSTS: bool = true;
+    const DEFAULT: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("rls")
+        let default = should_build_extended_tool(&run.builder, "rls");
+        run.path("rls").default_condition(default)
     }
 
     fn make_run(run: RunConfig<'_>) {
         run.builder.ensure(Rls {
-            stage: run.builder.top_stage,
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
             target: run.target,
         });
     }
 
-    fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
-        let stage = self.stage;
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
+        let compiler = self.compiler;
         let target = self.target;
-        assert!(builder.config.extended);
 
-        builder.info(&format!("Dist RLS stage{} ({})", stage, target));
-        let src = builder.src.join("src/tools/rls");
-        let release_num = builder.release_num("rls");
-        let name = pkgname(builder, "rls");
-        let version = builder.rls_info.version(builder, &release_num);
+        let rls = builder
+            .ensure(tool::Rls { compiler, target, extra_features: Vec::new() })
+            .or_else(|| {
+                missing_tool("RLS", builder.build.config.missing_tools);
+                None
+            })?;
 
-        let tmp = tmpdir(builder);
-        let image = tmp.join("rls-image");
-        drop(fs::remove_dir_all(&image));
-        t!(fs::create_dir_all(&image));
+        let mut tarball = Tarball::new(builder, "rls", &target.triple);
+        tarball.set_overlay(OverlayKind::RLS);
+        tarball.is_preview(true);
+        tarball.add_file(rls, "bin", 0o755);
+        tarball.add_legal_and_readme_to("share/doc/rls");
+        Some(tarball.generate())
+    }
+}
 
-        // Prepare the image directory
-        // We expect RLS to build, because we've exited this step above if tool
-        // state for RLS isn't testing.
-        let rls = builder.ensure(tool::Rls {
-            compiler: builder.compiler(stage, builder.config.build),
-            target, extra_features: Vec::new()
-        }).or_else(|| { missing_tool("RLS", builder.build.config.missing_tools); None })?;
-
-        builder.install(&rls, &image.join("bin"), 0o755);
-        let doc = image.join("share/doc/rls");
-        builder.install(&src.join("README.md"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &doc, 0o644);
-
-        // Prepare the overlay
-        let overlay = tmp.join("rls-overlay");
-        drop(fs::remove_dir_all(&overlay));
-        t!(fs::create_dir_all(&overlay));
-        builder.install(&src.join("README.md"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &overlay, 0o644);
-        builder.create(&overlay.join("version"), &version);
-
-        // Generate the installer tarball
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=RLS-ready-to-serve.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg("--non-installed-overlay").arg(&overlay)
-           .arg(format!("--package-name={}-{}", name, target))
-           .arg("--legacy-manifest-dirs=rustlib,cargo")
-           .arg("--component-name=rls-preview");
-
-        builder.run(&mut cmd);
-        Some(distdir(builder).join(format!("{}-{}.tar.gz", name, target)))
+#[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
+pub struct RustAnalyzer {
+    pub compiler: Compiler,
+    pub target: TargetSelection,
+}
+
+impl Step for RustAnalyzer {
+    type Output = Option<GeneratedTarball>;
+    const DEFAULT: bool = true;
+    const ONLY_HOSTS: bool = true;
+
+    fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+        let default = should_build_extended_tool(&run.builder, "rust-analyzer");
+        run.path("rust-analyzer").default_condition(default)
+    }
+
+    fn make_run(run: RunConfig<'_>) {
+        run.builder.ensure(RustAnalyzer {
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
+            target: run.target,
+        });
+    }
+
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
+        // This prevents rust-analyzer from being built for "dist" or "install"
+        // on the stable/beta channels. It is a nightly-only tool and should
+        // not be included.
+        if !builder.build.unstable_features() {
+            return None;
+        }
+        let compiler = self.compiler;
+        let target = self.target;
+
+        if target.contains("riscv64") {
+            // riscv64 currently has an LLVM bug that makes rust-analyzer unable
+            // to build. See #74813 for details.
+            return None;
+        }
+
+        let rust_analyzer = builder
+            .ensure(tool::RustAnalyzer { compiler, target, extra_features: Vec::new() })
+            .expect("rust-analyzer always builds");
+
+        let mut tarball = Tarball::new(builder, "rust-analyzer", &target.triple);
+        tarball.set_overlay(OverlayKind::RustAnalyzer);
+        tarball.is_preview(true);
+        tarball.add_file(rust_analyzer, "bin", 0o755);
+        tarball.add_legal_and_readme_to("share/doc/rust-analyzer");
+        Some(tarball.generate())
     }
 }
 
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Clippy {
-    pub stage: u32,
-    pub target: Interned<String>,
+    pub compiler: Compiler,
+    pub target: TargetSelection,
 }
 
 impl Step for Clippy {
-    type Output = Option<PathBuf>;
+    type Output = Option<GeneratedTarball>;
+    const DEFAULT: bool = true;
     const ONLY_HOSTS: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("clippy")
+        let default = should_build_extended_tool(&run.builder, "clippy");
+        run.path("clippy").default_condition(default)
     }
 
     fn make_run(run: RunConfig<'_>) {
         run.builder.ensure(Clippy {
-            stage: run.builder.top_stage,
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
             target: run.target,
         });
     }
 
-    fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
-        let stage = self.stage;
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
+        let compiler = self.compiler;
         let target = self.target;
-        assert!(builder.config.extended);
-
-        builder.info(&format!("Dist clippy stage{} ({})", stage, target));
-        let src = builder.src.join("src/tools/clippy");
-        let release_num = builder.release_num("clippy");
-        let name = pkgname(builder, "clippy");
-        let version = builder.clippy_info.version(builder, &release_num);
-
-        let tmp = tmpdir(builder);
-        let image = tmp.join("clippy-image");
-        drop(fs::remove_dir_all(&image));
-        builder.create_dir(&image);
 
         // Prepare the image directory
         // We expect clippy to build, because we've exited this step above if tool
         // state for clippy isn't testing.
-        let clippy = builder.ensure(tool::Clippy {
-            compiler: builder.compiler(stage, builder.config.build),
-            target, extra_features: Vec::new()
-        }).or_else(|| { missing_tool("clippy", builder.build.config.missing_tools); None })?;
-        let cargoclippy = builder.ensure(tool::CargoClippy {
-            compiler: builder.compiler(stage, builder.config.build),
-            target, extra_features: Vec::new()
-        }).or_else(|| { missing_tool("cargo clippy", builder.build.config.missing_tools); None })?;
-
-        builder.install(&clippy, &image.join("bin"), 0o755);
-        builder.install(&cargoclippy, &image.join("bin"), 0o755);
-        let doc = image.join("share/doc/clippy");
-        builder.install(&src.join("README.md"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &doc, 0o644);
-
-        // Prepare the overlay
-        let overlay = tmp.join("clippy-overlay");
-        drop(fs::remove_dir_all(&overlay));
-        t!(fs::create_dir_all(&overlay));
-        builder.install(&src.join("README.md"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &doc, 0o644);
-        builder.create(&overlay.join("version"), &version);
-
-        // Generate the installer tarball
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=clippy-ready-to-serve.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg("--non-installed-overlay").arg(&overlay)
-           .arg(format!("--package-name={}-{}", name, target))
-           .arg("--legacy-manifest-dirs=rustlib,cargo")
-           .arg("--component-name=clippy-preview");
-
-        builder.run(&mut cmd);
-        Some(distdir(builder).join(format!("{}-{}.tar.gz", name, target)))
+        let clippy = builder
+            .ensure(tool::Clippy { compiler, target, extra_features: Vec::new() })
+            .expect("clippy expected to build - essential tool");
+        let cargoclippy = builder
+            .ensure(tool::CargoClippy { compiler, target, extra_features: Vec::new() })
+            .expect("clippy expected to build - essential tool");
+
+        let mut tarball = Tarball::new(builder, "clippy", &target.triple);
+        tarball.set_overlay(OverlayKind::Clippy);
+        tarball.is_preview(true);
+        tarball.add_file(clippy, "bin", 0o755);
+        tarball.add_file(cargoclippy, "bin", 0o755);
+        tarball.add_legal_and_readme_to("share/doc/clippy");
+        Some(tarball.generate())
     }
 }
 
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Miri {
-    pub stage: u32,
-    pub target: Interned<String>,
+    pub compiler: Compiler,
+    pub target: TargetSelection,
 }
 
 impl Step for Miri {
-    type Output = Option<PathBuf>;
+    type Output = Option<GeneratedTarball>;
+    const DEFAULT: bool = true;
     const ONLY_HOSTS: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("miri")
+        let default = should_build_extended_tool(&run.builder, "miri");
+        run.path("miri").default_condition(default)
     }
 
     fn make_run(run: RunConfig<'_>) {
         run.builder.ensure(Miri {
-            stage: run.builder.top_stage,
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
             target: run.target,
         });
     }
 
-    fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
-        let stage = self.stage;
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
+        // This prevents miri from being built for "dist" or "install"
+        // on the stable/beta channels. It is a nightly-only tool and should
+        // not be included.
+        if !builder.build.unstable_features() {
+            return None;
+        }
+        let compiler = self.compiler;
         let target = self.target;
-        assert!(builder.config.extended);
-
-        builder.info(&format!("Dist miri stage{} ({})", stage, target));
-        let src = builder.src.join("src/tools/miri");
-        let release_num = builder.release_num("miri");
-        let name = pkgname(builder, "miri");
-        let version = builder.miri_info.version(builder, &release_num);
-
-        let tmp = tmpdir(builder);
-        let image = tmp.join("miri-image");
-        drop(fs::remove_dir_all(&image));
-        builder.create_dir(&image);
 
-        // Prepare the image directory
-        // We expect miri to build, because we've exited this step above if tool
-        // state for miri isn't testing.
-        let miri = builder.ensure(tool::Miri {
-            compiler: builder.compiler(stage, builder.config.build),
-            target, extra_features: Vec::new()
-        }).or_else(|| { missing_tool("miri", builder.build.config.missing_tools); None })?;
-        let cargomiri = builder.ensure(tool::CargoMiri {
-            compiler: builder.compiler(stage, builder.config.build),
-            target, extra_features: Vec::new()
-        }).or_else(|| { missing_tool("cargo miri", builder.build.config.missing_tools); None })?;
-
-        builder.install(&miri, &image.join("bin"), 0o755);
-        builder.install(&cargomiri, &image.join("bin"), 0o755);
-        let doc = image.join("share/doc/miri");
-        builder.install(&src.join("README.md"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &doc, 0o644);
-
-        // Prepare the overlay
-        let overlay = tmp.join("miri-overlay");
-        drop(fs::remove_dir_all(&overlay));
-        t!(fs::create_dir_all(&overlay));
-        builder.install(&src.join("README.md"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &doc, 0o644);
-        builder.create(&overlay.join("version"), &version);
-
-        // Generate the installer tarball
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=miri-ready-to-serve.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg("--non-installed-overlay").arg(&overlay)
-           .arg(format!("--package-name={}-{}", name, target))
-           .arg("--legacy-manifest-dirs=rustlib,cargo")
-           .arg("--component-name=miri-preview");
-
-        builder.run(&mut cmd);
-        Some(distdir(builder).join(format!("{}-{}.tar.gz", name, target)))
+        let miri = builder
+            .ensure(tool::Miri { compiler, target, extra_features: Vec::new() })
+            .or_else(|| {
+                missing_tool("miri", builder.build.config.missing_tools);
+                None
+            })?;
+        let cargomiri = builder
+            .ensure(tool::CargoMiri { compiler, target, extra_features: Vec::new() })
+            .or_else(|| {
+                missing_tool("cargo miri", builder.build.config.missing_tools);
+                None
+            })?;
+
+        let mut tarball = Tarball::new(builder, "miri", &target.triple);
+        tarball.set_overlay(OverlayKind::Miri);
+        tarball.is_preview(true);
+        tarball.add_file(miri, "bin", 0o755);
+        tarball.add_file(cargomiri, "bin", 0o755);
+        tarball.add_legal_and_readme_to("share/doc/miri");
+        Some(tarball.generate())
     }
 }
 
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Rustfmt {
-    pub stage: u32,
-    pub target: Interned<String>,
+    pub compiler: Compiler,
+    pub target: TargetSelection,
 }
 
 impl Step for Rustfmt {
-    type Output = Option<PathBuf>;
+    type Output = Option<GeneratedTarball>;
+    const DEFAULT: bool = true;
     const ONLY_HOSTS: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("rustfmt")
+        let default = should_build_extended_tool(&run.builder, "rustfmt");
+        run.path("rustfmt").default_condition(default)
     }
 
     fn make_run(run: RunConfig<'_>) {
         run.builder.ensure(Rustfmt {
-            stage: run.builder.top_stage,
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
             target: run.target,
         });
     }
 
-    fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
-        let stage = self.stage;
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
+        let compiler = self.compiler;
         let target = self.target;
 
-        builder.info(&format!("Dist Rustfmt stage{} ({})", stage, target));
-        let src = builder.src.join("src/tools/rustfmt");
-        let release_num = builder.release_num("rustfmt");
-        let name = pkgname(builder, "rustfmt");
-        let version = builder.rustfmt_info.version(builder, &release_num);
+        let rustfmt = builder
+            .ensure(tool::Rustfmt { compiler, target, extra_features: Vec::new() })
+            .or_else(|| {
+                missing_tool("Rustfmt", builder.build.config.missing_tools);
+                None
+            })?;
+        let cargofmt = builder
+            .ensure(tool::Cargofmt { compiler, target, extra_features: Vec::new() })
+            .or_else(|| {
+                missing_tool("Cargofmt", builder.build.config.missing_tools);
+                None
+            })?;
+
+        let mut tarball = Tarball::new(builder, "rustfmt", &target.triple);
+        tarball.set_overlay(OverlayKind::Rustfmt);
+        tarball.is_preview(true);
+        tarball.add_file(rustfmt, "bin", 0o755);
+        tarball.add_file(cargofmt, "bin", 0o755);
+        tarball.add_legal_and_readme_to("share/doc/rustfmt");
+        Some(tarball.generate())
+    }
+}
+
+#[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
+pub struct RustDemangler {
+    pub compiler: Compiler,
+    pub target: TargetSelection,
+}
 
-        let tmp = tmpdir(builder);
-        let image = tmp.join("rustfmt-image");
-        drop(fs::remove_dir_all(&image));
-        builder.create_dir(&image);
+impl Step for RustDemangler {
+    type Output = Option<GeneratedTarball>;
+    const DEFAULT: bool = true;
+    const ONLY_HOSTS: bool = true;
+
+    fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+        // While other tools use `should_build_extended_tool` to decide whether to be run by
+        // default or not, `rust-demangler` must be build when *either* it's enabled as a tool like
+        // the other ones or if `profiler = true`. Because we don't know the target at this stage
+        // we run the step by default when only `extended = true`, and decide whether to actually
+        // run it or not later.
+        let default = run.builder.config.extended;
+        run.path("rust-demangler").default_condition(default)
+    }
+
+    fn make_run(run: RunConfig<'_>) {
+        run.builder.ensure(RustDemangler {
+            compiler: run.builder.compiler_for(
+                run.builder.top_stage,
+                run.builder.config.build,
+                run.target,
+            ),
+            target: run.target,
+        });
+    }
+
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
+        let compiler = self.compiler;
+        let target = self.target;
+
+        // Only build this extended tool if explicitly included in `tools`, or if `profiler = true`
+        let condition = should_build_extended_tool(builder, "rust-demangler")
+            || builder.config.profiler_enabled(target);
+        if builder.config.extended && !condition {
+            return None;
+        }
+
+        let rust_demangler = builder
+            .ensure(tool::RustDemangler { compiler, target, extra_features: Vec::new() })
+            .expect("rust-demangler expected to build - in-tree tool");
 
         // Prepare the image directory
-        let rustfmt = builder.ensure(tool::Rustfmt {
-            compiler: builder.compiler(stage, builder.config.build),
-            target, extra_features: Vec::new()
-        }).or_else(|| { missing_tool("Rustfmt", builder.build.config.missing_tools); None })?;
-        let cargofmt = builder.ensure(tool::Cargofmt {
-            compiler: builder.compiler(stage, builder.config.build),
-            target, extra_features: Vec::new()
-        }).or_else(|| { missing_tool("Cargofmt", builder.build.config.missing_tools); None })?;
-
-        builder.install(&rustfmt, &image.join("bin"), 0o755);
-        builder.install(&cargofmt, &image.join("bin"), 0o755);
-        let doc = image.join("share/doc/rustfmt");
-        builder.install(&src.join("README.md"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &doc, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &doc, 0o644);
-
-        // Prepare the overlay
-        let overlay = tmp.join("rustfmt-overlay");
-        drop(fs::remove_dir_all(&overlay));
-        builder.create_dir(&overlay);
-        builder.install(&src.join("README.md"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-MIT"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE-APACHE"), &overlay, 0o644);
-        builder.create(&overlay.join("version"), &version);
-
-        // Generate the installer tarball
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-           .arg("--product-name=Rust")
-           .arg("--rel-manifest-dir=rustlib")
-           .arg("--success-message=rustfmt-ready-to-fmt.")
-           .arg("--image-dir").arg(&image)
-           .arg("--work-dir").arg(&tmpdir(builder))
-           .arg("--output-dir").arg(&distdir(builder))
-           .arg("--non-installed-overlay").arg(&overlay)
-           .arg(format!("--package-name={}-{}", name, target))
-           .arg("--legacy-manifest-dirs=rustlib,cargo")
-           .arg("--component-name=rustfmt-preview");
-
-        builder.run(&mut cmd);
-        Some(distdir(builder).join(format!("{}-{}.tar.gz", name, target)))
+        let mut tarball = Tarball::new(builder, "rust-demangler", &target.triple);
+        tarball.set_overlay(OverlayKind::RustDemangler);
+        tarball.is_preview(true);
+        tarball.add_file(&rust_demangler, "bin", 0o755);
+        tarball.add_legal_and_readme_to("share/doc/rust-demangler");
+        Some(tarball.generate())
     }
 }
 
 #[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct Extended {
     stage: u32,
-    host: Interned<String>,
-    target: Interned<String>,
+    host: TargetSelection,
+    target: TargetSelection,
 }
 
 impl Step for Extended {
@@ -1505,104 +1361,73 @@ impl Step for Extended {
 
     /// Creates a combined installer for the specified target in the provided stage.
     fn run(self, builder: &Builder<'_>) {
-        let stage = self.stage;
         let target = self.target;
+        let stage = self.stage;
+        let compiler = builder.compiler_for(self.stage, self.host, self.target);
 
-        builder.info(&format!("Dist extended stage{} ({})", stage, target));
-
-        let rustc_installer = builder.ensure(Rustc {
-            compiler: builder.compiler(stage, target),
-        });
-        let cargo_installer = builder.ensure(Cargo { stage, target });
-        let rustfmt_installer = builder.ensure(Rustfmt { stage, target });
-        let rls_installer = builder.ensure(Rls { stage, target });
-        let llvm_tools_installer = builder.ensure(LlvmTools { stage, target });
-        let clippy_installer = builder.ensure(Clippy { stage, target });
-        let miri_installer = builder.ensure(Miri { stage, target });
-        let lldb_installer = builder.ensure(Lldb { target });
-        let mingw_installer = builder.ensure(Mingw { host: target });
-        let analysis_installer = builder.ensure(Analysis {
-            compiler: builder.compiler(stage, self.host),
-            target
-        });
-
-        let docs_installer = builder.ensure(Docs { stage, host: target, });
-        let std_installer = builder.ensure(Std {
-            compiler: builder.compiler(stage, self.host),
-            target,
-        });
+        builder.info(&format!("Dist extended stage{} ({})", compiler.stage, target));
 
-        let tmp = tmpdir(builder);
-        let overlay = tmp.join("extended-overlay");
-        let etc = builder.src.join("src/etc/installer");
-        let work = tmp.join("work");
-
-        let _ = fs::remove_dir_all(&overlay);
-        builder.install(&builder.src.join("COPYRIGHT"), &overlay, 0o644);
-        builder.install(&builder.src.join("LICENSE-APACHE"), &overlay, 0o644);
-        builder.install(&builder.src.join("LICENSE-MIT"), &overlay, 0o644);
-        let version = builder.rust_version();
-        builder.create(&overlay.join("version"), &version);
-        if let Some(sha) = builder.rust_sha() {
-            builder.create(&overlay.join("git-commit-hash"), &sha);
+        let mut tarballs = Vec::new();
+        let mut built_tools = HashSet::new();
+        macro_rules! add_component {
+            ($name:expr => $step:expr) => {
+                if let Some(tarball) = builder.ensure_if_default($step) {
+                    tarballs.push(tarball);
+                    built_tools.insert($name);
+                }
+            };
         }
-        builder.install(&etc.join("README.md"), &overlay, 0o644);
 
         // When rust-std package split from rustc, we needed to ensure that during
         // upgrades rustc was upgraded before rust-std. To avoid rustc clobbering
         // the std files during uninstall. To do this ensure that rustc comes
         // before rust-std in the list below.
-        let mut tarballs = Vec::new();
-        tarballs.push(rustc_installer);
-        tarballs.push(cargo_installer);
-        tarballs.extend(rls_installer.clone());
-        tarballs.extend(clippy_installer.clone());
-        tarballs.extend(miri_installer.clone());
-        tarballs.extend(rustfmt_installer.clone());
-        tarballs.extend(llvm_tools_installer);
-        tarballs.extend(lldb_installer);
-        tarballs.push(analysis_installer);
-        tarballs.push(std_installer);
-        if builder.config.docs {
-            tarballs.push(docs_installer);
-        }
-        if target.contains("pc-windows-gnu") {
-            tarballs.push(mingw_installer.unwrap());
+        tarballs.push(builder.ensure(Rustc { compiler: builder.compiler(stage, target) }));
+        tarballs.push(builder.ensure(Std { compiler, target }).expect("missing std"));
+
+        if target.contains("windows-gnu") {
+            tarballs.push(builder.ensure(Mingw { host: target }).expect("missing mingw"));
         }
-        let mut input_tarballs = tarballs[0].as_os_str().to_owned();
-        for tarball in &tarballs[1..] {
-            input_tarballs.push(",");
-            input_tarballs.push(tarball);
+
+        add_component!("rust-docs" => Docs { host: target });
+        add_component!("rust-demangler"=> RustDemangler { compiler, target });
+        add_component!("cargo" => Cargo { compiler, target });
+        add_component!("rustfmt" => Rustfmt { compiler, target });
+        add_component!("rls" => Rls { compiler, target });
+        add_component!("rust-analyzer" => RustAnalyzer { compiler, target });
+        add_component!("llvm-components" => LlvmTools { target });
+        add_component!("clippy" => Clippy { compiler, target });
+        add_component!("miri" => Miri { compiler, target });
+        add_component!("analysis" => Analysis { compiler, target });
+
+        let etc = builder.src.join("src/etc/installer");
+
+        // Avoid producing tarballs during a dry run.
+        if builder.config.dry_run {
+            return;
         }
 
-        let mut cmd = rust_installer(builder);
-        cmd.arg("combine")
-            .arg("--product-name=Rust")
-            .arg("--rel-manifest-dir=rustlib")
-            .arg("--success-message=Rust-is-ready-to-roll.")
-            .arg("--work-dir").arg(&work)
-            .arg("--output-dir").arg(&distdir(builder))
-            .arg(format!("--package-name={}-{}", pkgname(builder, "rust"), target))
-            .arg("--legacy-manifest-dirs=rustlib,cargo")
-            .arg("--input-tarballs").arg(input_tarballs)
-            .arg("--non-installed-overlay").arg(&overlay);
-        builder.run(&mut cmd);
+        let tarball = Tarball::new(builder, "rust", &target.triple);
+        let generated = tarball.combine(&tarballs);
+
+        let tmp = tmpdir(builder).join("combined-tarball");
+        let work = generated.work_dir();
 
         let mut license = String::new();
         license += &builder.read(&builder.src.join("COPYRIGHT"));
         license += &builder.read(&builder.src.join("LICENSE-APACHE"));
         license += &builder.read(&builder.src.join("LICENSE-MIT"));
-        license.push_str("\n");
-        license.push_str("\n");
+        license.push('\n');
+        license.push('\n');
 
         let rtf = r"{\rtf1\ansi\deff0{\fonttbl{\f0\fnil\fcharset0 Arial;}}\nowwrap\fs18";
         let mut rtf = rtf.to_string();
-        rtf.push_str("\n");
+        rtf.push('\n');
         for line in license.lines() {
             rtf.push_str(line);
             rtf.push_str("\\line ");
         }
-        rtf.push_str("}");
+        rtf.push('}');
 
         fn filter(contents: &str, marker: &str) -> String {
             let start = format!("tool-{}-start", marker);
@@ -1624,17 +1449,10 @@ impl Step for Extended {
 
         let xform = |p: &Path| {
             let mut contents = t!(fs::read_to_string(p));
-            if rls_installer.is_none() {
-                contents = filter(&contents, "rls");
-            }
-            if clippy_installer.is_none() {
-                contents = filter(&contents, "clippy");
-            }
-            if miri_installer.is_none() {
-                contents = filter(&contents, "miri");
-            }
-            if rustfmt_installer.is_none() {
-                contents = filter(&contents, "rustfmt");
+            for tool in &["rust-demangler", "rls", "rust-analyzer", "miri", "rustfmt"] {
+                if !built_tools.contains(tool) {
+                    contents = filter(&contents, tool);
+                }
             }
             let ret = tmp.join(p.file_name().unwrap());
             t!(fs::write(&ret, &contents));
@@ -1642,13 +1460,16 @@ impl Step for Extended {
         };
 
         if target.contains("apple-darwin") {
+            builder.info("building pkg installer");
             let pkg = tmp.join("pkg");
             let _ = fs::remove_dir_all(&pkg);
 
             let pkgbuild = |component: &str| {
                 let mut cmd = Command::new("pkgbuild");
-                cmd.arg("--identifier").arg(format!("org.rust-lang.{}", component))
-                    .arg("--scripts").arg(pkg.join(component))
+                cmd.arg("--identifier")
+                    .arg(format!("org.rust-lang.{}", component))
+                    .arg("--scripts")
+                    .arg(pkg.join(component))
                     .arg("--nopayload")
                     .arg(pkg.join(component).with_extension("pkg"));
                 builder.run(&mut cmd);
@@ -1656,8 +1477,10 @@ impl Step for Extended {
 
             let prepare = |name: &str| {
                 builder.create_dir(&pkg.join(name));
-                builder.cp_r(&work.join(&format!("{}-{}", pkgname(builder, name), target)),
-                        &pkg.join(name));
+                builder.cp_r(
+                    &work.join(&format!("{}-{}", pkgname(builder, name), target.triple)),
+                    &pkg.join(name),
+                );
                 builder.install(&etc.join("pkg/postinstall"), &pkg.join(name), 0o755);
                 pkgbuild(name);
             };
@@ -1666,17 +1489,12 @@ impl Step for Extended {
             prepare("rust-docs");
             prepare("rust-std");
             prepare("rust-analysis");
-
-            if rls_installer.is_some() {
-                prepare("rls");
-            }
-            if clippy_installer.is_some() {
-                prepare("clippy");
-            }
-            if miri_installer.is_some() {
-                prepare("miri");
+            prepare("clippy");
+            for tool in &["rust-demangler", "rls", "rust-analyzer", "miri"] {
+                if built_tools.contains(tool) {
+                    prepare(tool);
+                }
             }
-
             // create an 'uninstall' package
             builder.install(&etc.join("pkg/postinstall"), &pkg.join("uninstall"), 0o755);
             pkgbuild("uninstall");
@@ -1685,12 +1503,18 @@ impl Step for Extended {
             builder.create(&pkg.join("res/LICENSE.txt"), &license);
             builder.install(&etc.join("gfx/rust-logo.png"), &pkg.join("res"), 0o644);
             let mut cmd = Command::new("productbuild");
-            cmd.arg("--distribution").arg(xform(&etc.join("pkg/Distribution.xml")))
-                .arg("--resources").arg(pkg.join("res"))
-                .arg(distdir(builder).join(format!("{}-{}.pkg",
-                                                    pkgname(builder, "rust"),
-                                                    target)))
-                .arg("--package-path").arg(&pkg);
+            cmd.arg("--distribution")
+                .arg(xform(&etc.join("pkg/Distribution.xml")))
+                .arg("--resources")
+                .arg(pkg.join("res"))
+                .arg(distdir(builder).join(format!(
+                    "{}-{}.pkg",
+                    pkgname(builder, "rust"),
+                    target.triple
+                )))
+                .arg("--package-path")
+                .arg(&pkg);
+            let _time = timeit(builder);
             builder.run(&mut cmd);
         }
 
@@ -1701,19 +1525,24 @@ impl Step for Extended {
             let prepare = |name: &str| {
                 builder.create_dir(&exe.join(name));
                 let dir = if name == "rust-std" || name == "rust-analysis" {
-                    format!("{}-{}", name, target)
+                    format!("{}-{}", name, target.triple)
                 } else if name == "rls" {
                     "rls-preview".to_string()
+                } else if name == "rust-analyzer" {
+                    "rust-analyzer-preview".to_string()
                 } else if name == "clippy" {
                     "clippy-preview".to_string()
+                } else if name == "rust-demangler" {
+                    "rust-demangler-preview".to_string()
                 } else if name == "miri" {
                     "miri-preview".to_string()
                 } else {
                     name.to_string()
                 };
-                builder.cp_r(&work.join(&format!("{}-{}", pkgname(builder, name), target))
-                            .join(dir),
-                        &exe.join(name));
+                builder.cp_r(
+                    &work.join(&format!("{}-{}", pkgname(builder, name), target.triple)).join(dir),
+                    &exe.join(name),
+                );
                 builder.remove(&exe.join(name).join("manifest.in"));
             };
             prepare("rustc");
@@ -1721,37 +1550,17 @@ impl Step for Extended {
             prepare("rust-analysis");
             prepare("rust-docs");
             prepare("rust-std");
-            if rls_installer.is_some() {
-                prepare("rls");
-            }
-            if clippy_installer.is_some() {
-                prepare("clippy");
-            }
-            if miri_installer.is_some() {
-                prepare("miri");
+            prepare("clippy");
+            for tool in &["rust-demangler", "rls", "rust-analyzer", "miri"] {
+                if built_tools.contains(tool) {
+                    prepare(tool);
+                }
             }
             if target.contains("windows-gnu") {
                 prepare("rust-mingw");
             }
 
-            builder.install(&xform(&etc.join("exe/rust.iss")), &exe, 0o644);
-            builder.install(&etc.join("exe/modpath.iss"), &exe, 0o644);
-            builder.install(&etc.join("exe/upgrade.iss"), &exe, 0o644);
             builder.install(&etc.join("gfx/rust-logo.ico"), &exe, 0o644);
-            builder.create(&exe.join("LICENSE.txt"), &license);
-
-            // Generate exe installer
-            let mut cmd = Command::new("iscc");
-            cmd.arg("rust.iss")
-                .current_dir(&exe);
-            if target.contains("windows-gnu") {
-                cmd.arg("/dMINGW");
-            }
-            add_env(builder, &mut cmd, target);
-            builder.run(&mut cmd);
-            builder.install(&exe.join(format!("{}-{}.exe", pkgname(builder, "rust"), target)),
-                    &distdir(builder),
-                    0o755);
 
             // Generate msi installer
             let wix = PathBuf::from(env::var_os("WIX").unwrap());
@@ -1760,106 +1569,201 @@ impl Step for Extended {
             let light = wix.join("bin/light.exe");
 
             let heat_flags = ["-nologo", "-gg", "-sfrag", "-srd", "-sreg"];
-            builder.run(Command::new(&heat)
-                            .current_dir(&exe)
-                            .arg("dir")
-                            .arg("rustc")
-                            .args(&heat_flags)
-                            .arg("-cg").arg("RustcGroup")
-                            .arg("-dr").arg("Rustc")
-                            .arg("-var").arg("var.RustcDir")
-                            .arg("-out").arg(exe.join("RustcGroup.wxs")));
-            builder.run(Command::new(&heat)
-                            .current_dir(&exe)
-                            .arg("dir")
-                            .arg("rust-docs")
-                            .args(&heat_flags)
-                            .arg("-cg").arg("DocsGroup")
-                            .arg("-dr").arg("Docs")
-                            .arg("-var").arg("var.DocsDir")
-                            .arg("-out").arg(exe.join("DocsGroup.wxs"))
-                            .arg("-t").arg(etc.join("msi/squash-components.xsl")));
-            builder.run(Command::new(&heat)
-                            .current_dir(&exe)
-                            .arg("dir")
-                            .arg("cargo")
-                            .args(&heat_flags)
-                            .arg("-cg").arg("CargoGroup")
-                            .arg("-dr").arg("Cargo")
-                            .arg("-var").arg("var.CargoDir")
-                            .arg("-out").arg(exe.join("CargoGroup.wxs"))
-                            .arg("-t").arg(etc.join("msi/remove-duplicates.xsl")));
-            builder.run(Command::new(&heat)
-                            .current_dir(&exe)
-                            .arg("dir")
-                            .arg("rust-std")
-                            .args(&heat_flags)
-                            .arg("-cg").arg("StdGroup")
-                            .arg("-dr").arg("Std")
-                            .arg("-var").arg("var.StdDir")
-                            .arg("-out").arg(exe.join("StdGroup.wxs")));
-            if rls_installer.is_some() {
-                builder.run(Command::new(&heat)
-                                .current_dir(&exe)
-                                .arg("dir")
-                                .arg("rls")
-                                .args(&heat_flags)
-                                .arg("-cg").arg("RlsGroup")
-                                .arg("-dr").arg("Rls")
-                                .arg("-var").arg("var.RlsDir")
-                                .arg("-out").arg(exe.join("RlsGroup.wxs"))
-                                .arg("-t").arg(etc.join("msi/remove-duplicates.xsl")));
+            builder.run(
+                Command::new(&heat)
+                    .current_dir(&exe)
+                    .arg("dir")
+                    .arg("rustc")
+                    .args(&heat_flags)
+                    .arg("-cg")
+                    .arg("RustcGroup")
+                    .arg("-dr")
+                    .arg("Rustc")
+                    .arg("-var")
+                    .arg("var.RustcDir")
+                    .arg("-out")
+                    .arg(exe.join("RustcGroup.wxs")),
+            );
+            builder.run(
+                Command::new(&heat)
+                    .current_dir(&exe)
+                    .arg("dir")
+                    .arg("rust-docs")
+                    .args(&heat_flags)
+                    .arg("-cg")
+                    .arg("DocsGroup")
+                    .arg("-dr")
+                    .arg("Docs")
+                    .arg("-var")
+                    .arg("var.DocsDir")
+                    .arg("-out")
+                    .arg(exe.join("DocsGroup.wxs"))
+                    .arg("-t")
+                    .arg(etc.join("msi/squash-components.xsl")),
+            );
+            builder.run(
+                Command::new(&heat)
+                    .current_dir(&exe)
+                    .arg("dir")
+                    .arg("cargo")
+                    .args(&heat_flags)
+                    .arg("-cg")
+                    .arg("CargoGroup")
+                    .arg("-dr")
+                    .arg("Cargo")
+                    .arg("-var")
+                    .arg("var.CargoDir")
+                    .arg("-out")
+                    .arg(exe.join("CargoGroup.wxs"))
+                    .arg("-t")
+                    .arg(etc.join("msi/remove-duplicates.xsl")),
+            );
+            builder.run(
+                Command::new(&heat)
+                    .current_dir(&exe)
+                    .arg("dir")
+                    .arg("rust-std")
+                    .args(&heat_flags)
+                    .arg("-cg")
+                    .arg("StdGroup")
+                    .arg("-dr")
+                    .arg("Std")
+                    .arg("-var")
+                    .arg("var.StdDir")
+                    .arg("-out")
+                    .arg(exe.join("StdGroup.wxs")),
+            );
+            if built_tools.contains("rls") {
+                builder.run(
+                    Command::new(&heat)
+                        .current_dir(&exe)
+                        .arg("dir")
+                        .arg("rls")
+                        .args(&heat_flags)
+                        .arg("-cg")
+                        .arg("RlsGroup")
+                        .arg("-dr")
+                        .arg("Rls")
+                        .arg("-var")
+                        .arg("var.RlsDir")
+                        .arg("-out")
+                        .arg(exe.join("RlsGroup.wxs"))
+                        .arg("-t")
+                        .arg(etc.join("msi/remove-duplicates.xsl")),
+                );
             }
-            if clippy_installer.is_some() {
-                builder.run(Command::new(&heat)
-                                .current_dir(&exe)
-                                .arg("dir")
-                                .arg("clippy")
-                                .args(&heat_flags)
-                                .arg("-cg").arg("ClippyGroup")
-                                .arg("-dr").arg("Clippy")
-                                .arg("-var").arg("var.ClippyDir")
-                                .arg("-out").arg(exe.join("ClippyGroup.wxs"))
-                                .arg("-t").arg(etc.join("msi/remove-duplicates.xsl")));
+            if built_tools.contains("rust-analyzer") {
+                builder.run(
+                    Command::new(&heat)
+                        .current_dir(&exe)
+                        .arg("dir")
+                        .arg("rust-analyzer")
+                        .args(&heat_flags)
+                        .arg("-cg")
+                        .arg("RustAnalyzerGroup")
+                        .arg("-dr")
+                        .arg("RustAnalyzer")
+                        .arg("-var")
+                        .arg("var.RustAnalyzerDir")
+                        .arg("-out")
+                        .arg(exe.join("RustAnalyzerGroup.wxs"))
+                        .arg("-t")
+                        .arg(etc.join("msi/remove-duplicates.xsl")),
+                );
             }
-            if miri_installer.is_some() {
-                builder.run(Command::new(&heat)
-                                .current_dir(&exe)
-                                .arg("dir")
-                                .arg("miri")
-                                .args(&heat_flags)
-                                .arg("-cg").arg("MiriGroup")
-                                .arg("-dr").arg("Miri")
-                                .arg("-var").arg("var.MiriDir")
-                                .arg("-out").arg(exe.join("MiriGroup.wxs"))
-                                .arg("-t").arg(etc.join("msi/remove-duplicates.xsl")));
+            builder.run(
+                Command::new(&heat)
+                    .current_dir(&exe)
+                    .arg("dir")
+                    .arg("clippy")
+                    .args(&heat_flags)
+                    .arg("-cg")
+                    .arg("ClippyGroup")
+                    .arg("-dr")
+                    .arg("Clippy")
+                    .arg("-var")
+                    .arg("var.ClippyDir")
+                    .arg("-out")
+                    .arg(exe.join("ClippyGroup.wxs"))
+                    .arg("-t")
+                    .arg(etc.join("msi/remove-duplicates.xsl")),
+            );
+            if built_tools.contains("rust-demangler") {
+                builder.run(
+                    Command::new(&heat)
+                        .current_dir(&exe)
+                        .arg("dir")
+                        .arg("rust-demangler")
+                        .args(&heat_flags)
+                        .arg("-cg")
+                        .arg("RustDemanglerGroup")
+                        .arg("-dr")
+                        .arg("RustDemangler")
+                        .arg("-var")
+                        .arg("var.RustDemanglerDir")
+                        .arg("-out")
+                        .arg(exe.join("RustDemanglerGroup.wxs"))
+                        .arg("-t")
+                        .arg(etc.join("msi/remove-duplicates.xsl")),
+                );
             }
-            builder.run(Command::new(&heat)
-                            .current_dir(&exe)
-                            .arg("dir")
-                            .arg("rust-analysis")
-                            .args(&heat_flags)
-                            .arg("-cg").arg("AnalysisGroup")
-                            .arg("-dr").arg("Analysis")
-                            .arg("-var").arg("var.AnalysisDir")
-                            .arg("-out").arg(exe.join("AnalysisGroup.wxs"))
-                            .arg("-t").arg(etc.join("msi/remove-duplicates.xsl")));
+            if built_tools.contains("miri") {
+                builder.run(
+                    Command::new(&heat)
+                        .current_dir(&exe)
+                        .arg("dir")
+                        .arg("miri")
+                        .args(&heat_flags)
+                        .arg("-cg")
+                        .arg("MiriGroup")
+                        .arg("-dr")
+                        .arg("Miri")
+                        .arg("-var")
+                        .arg("var.MiriDir")
+                        .arg("-out")
+                        .arg(exe.join("MiriGroup.wxs"))
+                        .arg("-t")
+                        .arg(etc.join("msi/remove-duplicates.xsl")),
+                );
+            }
+            builder.run(
+                Command::new(&heat)
+                    .current_dir(&exe)
+                    .arg("dir")
+                    .arg("rust-analysis")
+                    .args(&heat_flags)
+                    .arg("-cg")
+                    .arg("AnalysisGroup")
+                    .arg("-dr")
+                    .arg("Analysis")
+                    .arg("-var")
+                    .arg("var.AnalysisDir")
+                    .arg("-out")
+                    .arg(exe.join("AnalysisGroup.wxs"))
+                    .arg("-t")
+                    .arg(etc.join("msi/remove-duplicates.xsl")),
+            );
             if target.contains("windows-gnu") {
-                builder.run(Command::new(&heat)
-                                .current_dir(&exe)
-                                .arg("dir")
-                                .arg("rust-mingw")
-                                .args(&heat_flags)
-                                .arg("-cg").arg("GccGroup")
-                                .arg("-dr").arg("Gcc")
-                                .arg("-var").arg("var.GccDir")
-                                .arg("-out").arg(exe.join("GccGroup.wxs")));
+                builder.run(
+                    Command::new(&heat)
+                        .current_dir(&exe)
+                        .arg("dir")
+                        .arg("rust-mingw")
+                        .args(&heat_flags)
+                        .arg("-cg")
+                        .arg("GccGroup")
+                        .arg("-dr")
+                        .arg("Gcc")
+                        .arg("-var")
+                        .arg("var.GccDir")
+                        .arg("-out")
+                        .arg(exe.join("GccGroup.wxs")),
+                );
             }
 
             let candle = |input: &Path| {
-                let output = exe.join(input.file_stem().unwrap())
-                                .with_extension("wixobj");
-                let arch = if target.contains("x86_64") {"x64"} else {"x86"};
+                let output = exe.join(input.file_stem().unwrap()).with_extension("wixobj");
+                let arch = if target.contains("x86_64") { "x64" } else { "x86" };
                 let mut cmd = Command::new(&candle);
                 cmd.current_dir(&exe)
                     .arg("-nologo")
@@ -1868,18 +1772,24 @@ impl Step for Extended {
                     .arg("-dCargoDir=cargo")
                     .arg("-dStdDir=rust-std")
                     .arg("-dAnalysisDir=rust-analysis")
-                    .arg("-arch").arg(&arch)
-                    .arg("-out").arg(&output)
+                    .arg("-dClippyDir=clippy")
+                    .arg("-arch")
+                    .arg(&arch)
+                    .arg("-out")
+                    .arg(&output)
                     .arg(&input);
                 add_env(builder, &mut cmd, target);
 
-                if rls_installer.is_some() {
+                if built_tools.contains("rust-demangler") {
+                    cmd.arg("-dRustDemanglerDir=rust-demangler");
+                }
+                if built_tools.contains("rls") {
                     cmd.arg("-dRlsDir=rls");
                 }
-                if clippy_installer.is_some() {
-                    cmd.arg("-dClippyDir=clippy");
+                if built_tools.contains("rust-analyzer") {
+                    cmd.arg("-dRustAnalyzerDir=rust-analyzer");
                 }
-                if miri_installer.is_some() {
+                if built_tools.contains("miri") {
                     cmd.arg("-dMiriDir=miri");
                 }
                 if target.contains("windows-gnu") {
@@ -1894,13 +1804,17 @@ impl Step for Extended {
             candle("DocsGroup.wxs".as_ref());
             candle("CargoGroup.wxs".as_ref());
             candle("StdGroup.wxs".as_ref());
-            if rls_installer.is_some() {
+            candle("ClippyGroup.wxs".as_ref());
+            if built_tools.contains("rust-demangler") {
+                candle("RustDemanglerGroup.wxs".as_ref());
+            }
+            if built_tools.contains("rls") {
                 candle("RlsGroup.wxs".as_ref());
             }
-            if clippy_installer.is_some() {
-                candle("ClippyGroup.wxs".as_ref());
+            if built_tools.contains("rust-analyzer") {
+                candle("RustAnalyzerGroup.wxs".as_ref());
             }
-            if miri_installer.is_some() {
+            if built_tools.contains("miri") {
                 candle("MiriGroup.wxs".as_ref());
             }
             candle("AnalysisGroup.wxs".as_ref());
@@ -1913,12 +1827,16 @@ impl Step for Extended {
             builder.install(&etc.join("gfx/banner.bmp"), &exe, 0o644);
             builder.install(&etc.join("gfx/dialogbg.bmp"), &exe, 0o644);
 
-            let filename = format!("{}-{}.msi", pkgname(builder, "rust"), target);
+            builder.info(&format!("building `msi` installer with {:?}", light));
+            let filename = format!("{}-{}.msi", pkgname(builder, "rust"), target.triple);
             let mut cmd = Command::new(&light);
             cmd.arg("-nologo")
-                .arg("-ext").arg("WixUIExtension")
-                .arg("-ext").arg("WixUtilExtension")
-                .arg("-out").arg(exe.join(&filename))
+                .arg("-ext")
+                .arg("WixUIExtension")
+                .arg("-ext")
+                .arg("WixUtilExtension")
+                .arg("-out")
+                .arg(exe.join(&filename))
                 .arg("rust.wixobj")
                 .arg("ui.wixobj")
                 .arg("rustwelcomedlg.wixobj")
@@ -1927,15 +1845,19 @@ impl Step for Extended {
                 .arg("CargoGroup.wixobj")
                 .arg("StdGroup.wixobj")
                 .arg("AnalysisGroup.wixobj")
+                .arg("ClippyGroup.wixobj")
                 .current_dir(&exe);
 
-            if rls_installer.is_some() {
+            if built_tools.contains("rls") {
                 cmd.arg("RlsGroup.wixobj");
             }
-            if clippy_installer.is_some() {
-                cmd.arg("ClippyGroup.wixobj");
+            if built_tools.contains("rust-analyzer") {
+                cmd.arg("RustAnalyzerGroup.wixobj");
             }
-            if miri_installer.is_some() {
+            if built_tools.contains("rust-demangler") {
+                cmd.arg("RustDemanglerGroup.wixobj");
+            }
+            if built_tools.contains("miri") {
                 cmd.arg("MiriGroup.wixobj");
             }
 
@@ -1945,6 +1867,7 @@ impl Step for Extended {
             // ICE57 wrongly complains about the shortcuts
             cmd.arg("-sice:ICE57");
 
+            let _time = timeit(builder);
             builder.run(&mut cmd);
 
             if !builder.config.dry_run {
@@ -1954,324 +1877,298 @@ impl Step for Extended {
     }
 }
 
-fn add_env(builder: &Builder<'_>, cmd: &mut Command, target: Interned<String>) {
-    let mut parts = channel::CFG_RELEASE_NUM.split('.');
+fn add_env(builder: &Builder<'_>, cmd: &mut Command, target: TargetSelection) {
+    let mut parts = builder.version.split('.');
     cmd.env("CFG_RELEASE_INFO", builder.rust_version())
-       .env("CFG_RELEASE_NUM", channel::CFG_RELEASE_NUM)
-       .env("CFG_RELEASE", builder.rust_release())
-       .env("CFG_VER_MAJOR", parts.next().unwrap())
-       .env("CFG_VER_MINOR", parts.next().unwrap())
-       .env("CFG_VER_PATCH", parts.next().unwrap())
-       .env("CFG_VER_BUILD", "0") // just needed to build
-       .env("CFG_PACKAGE_VERS", builder.rust_package_vers())
-       .env("CFG_PACKAGE_NAME", pkgname(builder, "rust"))
-       .env("CFG_BUILD", target)
-       .env("CFG_CHANNEL", &builder.config.channel);
+        .env("CFG_RELEASE_NUM", &builder.version)
+        .env("CFG_RELEASE", builder.rust_release())
+        .env("CFG_VER_MAJOR", parts.next().unwrap())
+        .env("CFG_VER_MINOR", parts.next().unwrap())
+        .env("CFG_VER_PATCH", parts.next().unwrap())
+        .env("CFG_VER_BUILD", "0") // just needed to build
+        .env("CFG_PACKAGE_VERS", builder.rust_package_vers())
+        .env("CFG_PACKAGE_NAME", pkgname(builder, "rust"))
+        .env("CFG_BUILD", target.triple)
+        .env("CFG_CHANNEL", &builder.config.channel);
 
     if target.contains("windows-gnu") {
-       cmd.env("CFG_MINGW", "1")
-          .env("CFG_ABI", "GNU");
+        cmd.env("CFG_MINGW", "1").env("CFG_ABI", "GNU");
     } else {
-       cmd.env("CFG_MINGW", "0")
-          .env("CFG_ABI", "MSVC");
+        cmd.env("CFG_MINGW", "0").env("CFG_ABI", "MSVC");
     }
 
     if target.contains("x86_64") {
-       cmd.env("CFG_PLATFORM", "x64");
+        cmd.env("CFG_PLATFORM", "x64");
     } else {
-       cmd.env("CFG_PLATFORM", "x86");
+        cmd.env("CFG_PLATFORM", "x86");
     }
 }
 
-#[derive(Debug, PartialOrd, Ord, Copy, Clone, Hash, PartialEq, Eq)]
-pub struct HashSign;
-
-impl Step for HashSign {
-    type Output = ();
-    const ONLY_HOSTS: bool = true;
-
-    fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("hash-and-sign")
-    }
-
-    fn make_run(run: RunConfig<'_>) {
-        run.builder.ensure(HashSign);
-    }
-
-    fn run(self, builder: &Builder<'_>) {
-        let mut cmd = builder.tool_cmd(Tool::BuildManifest);
-        if builder.config.dry_run {
-            return;
+/// Maybe add LLVM object files to the given destination lib-dir. Allows either static or dynamic linking.
+///
+
+/// Returns whether the files were actually copied.
+fn maybe_install_llvm(builder: &Builder<'_>, target: TargetSelection, dst_libdir: &Path) -> bool {
+    if let Some(config) = builder.config.target_config.get(&target) {
+        if config.llvm_config.is_some() && !builder.config.llvm_from_ci {
+            // If the LLVM was externally provided, then we don't currently copy
+            // artifacts into the sysroot. This is not necessarily the right
+            // choice (in particular, it will require the LLVM dylib to be in
+            // the linker's load path at runtime), but the common use case for
+            // external LLVMs is distribution provided LLVMs, and in that case
+            // they're usually in the standard search path (e.g., /usr/lib) and
+            // copying them here is going to cause problems as we may end up
+            // with the wrong files and isn't what distributions want.
+            //
+            // This behavior may be revisited in the future though.
+            //
+            // If the LLVM is coming from ourselves (just from CI) though, we
+            // still want to install it, as it otherwise won't be available.
+            return false;
         }
-        let sign = builder.config.dist_sign_folder.as_ref().unwrap_or_else(|| {
-            panic!("\n\nfailed to specify `dist.sign-folder` in `config.toml`\n\n")
-        });
-        let addr = builder.config.dist_upload_addr.as_ref().unwrap_or_else(|| {
-            panic!("\n\nfailed to specify `dist.upload-addr` in `config.toml`\n\n")
-        });
-        let file = builder.config.dist_gpg_password_file.as_ref().unwrap_or_else(|| {
-            panic!("\n\nfailed to specify `dist.gpg-password-file` in `config.toml`\n\n")
-        });
-        let pass = t!(fs::read_to_string(&file));
-
-        let today = output(Command::new("date").arg("+%Y-%m-%d"));
-
-        cmd.arg(sign);
-        cmd.arg(distdir(builder));
-        cmd.arg(today.trim());
-        cmd.arg(builder.rust_package_vers());
-        cmd.arg(addr);
-        cmd.arg(builder.package_vers(&builder.release_num("cargo")));
-        cmd.arg(builder.package_vers(&builder.release_num("rls")));
-        cmd.arg(builder.package_vers(&builder.release_num("clippy")));
-        cmd.arg(builder.package_vers(&builder.release_num("miri")));
-        cmd.arg(builder.package_vers(&builder.release_num("rustfmt")));
-        cmd.arg(builder.llvm_tools_package_vers());
-        cmd.arg(builder.lldb_package_vers());
-
-        builder.create_dir(&distdir(builder));
-
-        let mut child = t!(cmd.stdin(Stdio::piped()).spawn());
-        t!(child.stdin.take().unwrap().write_all(pass.as_bytes()));
-        let status = t!(child.wait());
-        assert!(status.success());
     }
-}
 
-// Maybe add libLLVM.so to the lib-dir. It will only have been built if
-// LLVM tools are linked dynamically.
-// Note: This function does no yet support Windows but we also don't support
-//       linking LLVM tools dynamically on Windows yet.
-pub fn maybe_install_llvm_dylib(builder: &Builder<'_>,
-                                target: Interned<String>,
-                                sysroot: &Path) {
-    let src_libdir = builder
-        .llvm_out(target)
-        .join("lib");
-    let dst_libdir = sysroot.join("lib/rustlib").join(&*target).join("lib");
-    t!(fs::create_dir_all(&dst_libdir));
-
-    if target.contains("apple-darwin") {
+    // On macOS, rustc (and LLVM tools) link to an unversioned libLLVM.dylib
+    // instead of libLLVM-11-rust-....dylib, as on linux. It's not entirely
+    // clear why this is the case, though. llvm-config will emit the versioned
+    // paths and we don't want those in the sysroot (as we're expecting
+    // unversioned paths).
+    if target.contains("apple-darwin") && builder.config.llvm_link_shared {
+        let src_libdir = builder.llvm_out(target).join("lib");
         let llvm_dylib_path = src_libdir.join("libLLVM.dylib");
         if llvm_dylib_path.exists() {
-            builder.install(&llvm_dylib_path, &dst_libdir, 0o644);
+            builder.install(&llvm_dylib_path, dst_libdir, 0o644);
         }
-        return
+        !builder.config.dry_run
+    } else if let Ok(llvm_config) = crate::native::prebuilt_llvm_config(builder, target) {
+        let mut cmd = Command::new(llvm_config);
+        cmd.arg("--libfiles");
+        builder.verbose(&format!("running {:?}", cmd));
+        let files = output(&mut cmd);
+        let build_llvm_out = &builder.llvm_out(builder.config.build);
+        let target_llvm_out = &builder.llvm_out(target);
+        for file in files.trim_end().split(' ') {
+            // If we're not using a custom LLVM, make sure we package for the target.
+            let file = if let Ok(relative_path) = Path::new(file).strip_prefix(build_llvm_out) {
+                target_llvm_out.join(relative_path)
+            } else {
+                PathBuf::from(file)
+            };
+            builder.install(&file, dst_libdir, 0o644);
+        }
+        !builder.config.dry_run
+    } else {
+        false
     }
+}
 
-    // Usually libLLVM.so is a symlink to something like libLLVM-6.0.so.
-    // Since tools link to the latter rather than the former, we have to
-    // follow the symlink to find out what to distribute.
-    let llvm_dylib_path = src_libdir.join("libLLVM.so");
-    if llvm_dylib_path.exists() {
-        let llvm_dylib_path = llvm_dylib_path.canonicalize().unwrap_or_else(|e| {
-            panic!("dist: Error calling canonicalize path `{}`: {}",
-                   llvm_dylib_path.display(), e);
-        });
-
+/// Maybe add libLLVM.so to the target lib-dir for linking.
+pub fn maybe_install_llvm_target(builder: &Builder<'_>, target: TargetSelection, sysroot: &Path) {
+    let dst_libdir = sysroot.join("lib/rustlib").join(&*target.triple).join("lib");
+    // We do not need to copy LLVM files into the sysroot if it is not
+    // dynamically linked; it is already included into librustc_llvm
+    // statically.
+    if builder.config.llvm_link_shared {
+        maybe_install_llvm(builder, target, &dst_libdir);
+    }
+}
 
-        builder.install(&llvm_dylib_path, &dst_libdir, 0o644);
+/// Maybe add libLLVM.so to the runtime lib-dir for rustc itself.
+pub fn maybe_install_llvm_runtime(builder: &Builder<'_>, target: TargetSelection, sysroot: &Path) {
+    let dst_libdir =
+        sysroot.join(builder.sysroot_libdir_relative(Compiler { stage: 1, host: target }));
+    // We do not need to copy LLVM files into the sysroot if it is not
+    // dynamically linked; it is already included into librustc_llvm
+    // statically.
+    if builder.config.llvm_link_shared {
+        maybe_install_llvm(builder, target, &dst_libdir);
     }
 }
 
 #[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub struct LlvmTools {
-    pub stage: u32,
-    pub target: Interned<String>,
+    pub target: TargetSelection,
 }
 
 impl Step for LlvmTools {
-    type Output = Option<PathBuf>;
+    type Output = Option<GeneratedTarball>;
     const ONLY_HOSTS: bool = true;
+    const DEFAULT: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("llvm-tools")
+        let default = should_build_extended_tool(&run.builder, "llvm-tools");
+        run.path("llvm-tools").default_condition(default)
     }
 
     fn make_run(run: RunConfig<'_>) {
-        run.builder.ensure(LlvmTools {
-            stage: run.builder.top_stage,
-            target: run.target,
-        });
+        run.builder.ensure(LlvmTools { target: run.target });
     }
 
-    fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
-        let stage = self.stage;
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
         let target = self.target;
-        assert!(builder.config.extended);
 
         /* run only if llvm-config isn't used */
         if let Some(config) = builder.config.target_config.get(&target) {
             if let Some(ref _s) = config.llvm_config {
-                builder.info(&format!("Skipping LlvmTools stage{} ({}): external LLVM",
-                    stage, target));
+                builder.info(&format!("Skipping LlvmTools ({}): external LLVM", target));
                 return None;
             }
         }
 
-        builder.info(&format!("Dist LlvmTools stage{} ({})", stage, target));
-        let src = builder.src.join("src/llvm-project/llvm");
-        let name = pkgname(builder, "llvm-tools");
-
-        let tmp = tmpdir(builder);
-        let image = tmp.join("llvm-tools-image");
-        drop(fs::remove_dir_all(&image));
+        let mut tarball = Tarball::new(builder, "llvm-tools", &target.triple);
+        tarball.set_overlay(OverlayKind::LLVM);
+        tarball.is_preview(true);
 
         // Prepare the image directory
-        let src_bindir = builder
-            .llvm_out(target)
-            .join("bin");
-        let dst_bindir = image.join("lib/rustlib")
-            .join(&*target)
-            .join("bin");
-        t!(fs::create_dir_all(&dst_bindir));
+        let src_bindir = builder.llvm_out(target).join("bin");
+        let dst_bindir = format!("lib/rustlib/{}/bin", target.triple);
         for tool in LLVM_TOOLS {
-            let exe = src_bindir.join(exe(tool, &target));
-            builder.install(&exe, &dst_bindir, 0o755);
+            let exe = src_bindir.join(exe(tool, target));
+            tarball.add_file(&exe, &dst_bindir, 0o755);
         }
 
-        // Prepare the overlay
-        let overlay = tmp.join("llvm-tools-overlay");
-        drop(fs::remove_dir_all(&overlay));
-        builder.create_dir(&overlay);
-        builder.install(&src.join("README.txt"), &overlay, 0o644);
-        builder.install(&src.join("LICENSE.TXT"), &overlay, 0o644);
-        builder.create(&overlay.join("version"), &builder.llvm_tools_vers());
-
-        // Generate the installer tarball
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-            .arg("--product-name=Rust")
-            .arg("--rel-manifest-dir=rustlib")
-            .arg("--success-message=llvm-tools-installed.")
-            .arg("--image-dir").arg(&image)
-            .arg("--work-dir").arg(&tmpdir(builder))
-            .arg("--output-dir").arg(&distdir(builder))
-            .arg("--non-installed-overlay").arg(&overlay)
-            .arg(format!("--package-name={}-{}", name, target))
-            .arg("--legacy-manifest-dirs=rustlib,cargo")
-            .arg("--component-name=llvm-tools-preview");
-
-
-        builder.run(&mut cmd);
-        Some(distdir(builder).join(format!("{}-{}.tar.gz", name, target)))
+        // Copy libLLVM.so to the target lib dir as well, so the RPATH like
+        // `$ORIGIN/../lib` can find it. It may also be used as a dependency
+        // of `rustc-dev` to support the inherited `-lLLVM` when using the
+        // compiler libraries.
+        maybe_install_llvm_target(builder, target, tarball.image_dir());
+
+        Some(tarball.generate())
     }
 }
 
+// Tarball intended for internal consumption to ease rustc/std development.
+//
+// Should not be considered stable by end users.
 #[derive(Clone, Debug, Eq, Hash, PartialEq)]
-pub struct Lldb {
-    pub target: Interned<String>,
+pub struct RustDev {
+    pub target: TargetSelection,
 }
 
-impl Step for Lldb {
-    type Output = Option<PathBuf>;
-    const ONLY_HOSTS: bool = true;
+impl Step for RustDev {
+    type Output = Option<GeneratedTarball>;
     const DEFAULT: bool = true;
+    const ONLY_HOSTS: bool = true;
 
     fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
-        run.path("src/llvm-project/lldb").path("src/tools/lldb")
+        run.path("rust-dev")
     }
 
     fn make_run(run: RunConfig<'_>) {
-        run.builder.ensure(Lldb {
-            target: run.target,
-        });
+        run.builder.ensure(RustDev { target: run.target });
     }
 
-    fn run(self, builder: &Builder<'_>) -> Option<PathBuf> {
+    fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
         let target = self.target;
 
-        if builder.config.dry_run {
-            return None;
+        /* run only if llvm-config isn't used */
+        if let Some(config) = builder.config.target_config.get(&target) {
+            if let Some(ref _s) = config.llvm_config {
+                builder.info(&format!("Skipping RustDev ({}): external LLVM", target));
+                return None;
+            }
         }
 
-        let bindir = builder
-            .llvm_out(target)
-            .join("bin");
-        let lldb_exe = bindir.join(exe("lldb", &target));
-        if !lldb_exe.exists() {
-            return None;
+        let mut tarball = Tarball::new(builder, "rust-dev", &target.triple);
+        tarball.set_overlay(OverlayKind::LLVM);
+
+        let src_bindir = builder.llvm_out(target).join("bin");
+        for bin in &[
+            "llvm-config",
+            "llvm-ar",
+            "llvm-objdump",
+            "llvm-profdata",
+            "llvm-bcanalyzer",
+            "llvm-cov",
+            "llvm-dwp",
+        ] {
+            tarball.add_file(src_bindir.join(exe(bin, target)), "bin", 0o755);
         }
+        tarball.add_file(&builder.llvm_filecheck(target), "bin", 0o755);
 
-        builder.info(&format!("Dist Lldb ({})", target));
-        let src = builder.src.join("src/llvm-project/lldb");
-        let name = pkgname(builder, "lldb");
+        // Copy the include directory as well; needed mostly to build
+        // librustc_llvm properly (e.g., llvm-config.h is in here). But also
+        // just broadly useful to be able to link against the bundled LLVM.
+        tarball.add_dir(&builder.llvm_out(target).join("include"), "include");
 
-        let tmp = tmpdir(builder);
-        let image = tmp.join("lldb-image");
-        drop(fs::remove_dir_all(&image));
+        // Copy libLLVM.so to the target lib dir as well, so the RPATH like
+        // `$ORIGIN/../lib` can find it. It may also be used as a dependency
+        // of `rustc-dev` to support the inherited `-lLLVM` when using the
+        // compiler libraries.
+        let dst_libdir = tarball.image_dir().join("lib");
+        maybe_install_llvm(builder, target, &dst_libdir);
+        let link_type = if builder.config.llvm_link_shared { "dynamic" } else { "static" };
+        t!(std::fs::write(tarball.image_dir().join("link-type.txt"), link_type), dst_libdir);
 
-        // Prepare the image directory
-        let root = image.join("lib/rustlib").join(&*target);
-        let dst = root.join("bin");
-        t!(fs::create_dir_all(&dst));
-        for program in &["lldb", "lldb-argdumper", "lldb-mi", "lldb-server"] {
-            let exe = bindir.join(exe(program, &target));
-            builder.install(&exe, &dst, 0o755);
-        }
+        Some(tarball.generate())
+    }
+}
 
-        // The libraries.
-        let libdir = builder.llvm_out(target).join("lib");
-        let dst = root.join("lib");
-        t!(fs::create_dir_all(&dst));
-        for entry in t!(fs::read_dir(&libdir)) {
-            let entry = entry.unwrap();
-            if let Ok(name) = entry.file_name().into_string() {
-                if name.starts_with("liblldb.") && !name.ends_with(".a") {
-                    if t!(entry.file_type()).is_symlink() {
-                        builder.copy_to_folder(&entry.path(), &dst);
-                    } else {
-                       builder.install(&entry.path(), &dst, 0o755);
-                    }
-                }
-            }
-        }
+/// Tarball containing a prebuilt version of the build-manifest tool, intented to be used by the
+/// release process to avoid cloning the monorepo and building stuff.
+///
+/// Should not be considered stable by end users.
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
+pub struct BuildManifest {
+    pub target: TargetSelection,
+}
 
-        // The lldb scripts might be installed in lib/python$version
-        // or in lib64/python$version.  If lib64 exists, use it;
-        // otherwise lib.
-        let libdir = builder.llvm_out(target).join("lib64");
-        let (libdir, libdir_name) = if libdir.exists() {
-            (libdir, "lib64")
-        } else {
-            (builder.llvm_out(target).join("lib"), "lib")
-        };
-        for entry in t!(fs::read_dir(&libdir)) {
-            let entry = t!(entry);
-            if let Ok(name) = entry.file_name().into_string() {
-                if name.starts_with("python") {
-                    let dst = root.join(libdir_name)
-                        .join(entry.file_name());
-                    t!(fs::create_dir_all(&dst));
-                    builder.cp_r(&entry.path(), &dst);
-                    break;
-                }
-            }
-        }
+impl Step for BuildManifest {
+    type Output = GeneratedTarball;
+    const DEFAULT: bool = false;
+    const ONLY_HOSTS: bool = true;
+
+    fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+        run.path("src/tools/build-manifest")
+    }
 
-        // Prepare the overlay
-        let overlay = tmp.join("lldb-overlay");
-        drop(fs::remove_dir_all(&overlay));
-        builder.create_dir(&overlay);
-        builder.install(&src.join("LICENSE.TXT"), &overlay, 0o644);
-        builder.create(&overlay.join("version"), &builder.lldb_vers());
-
-        // Generate the installer tarball
-        let mut cmd = rust_installer(builder);
-        cmd.arg("generate")
-            .arg("--product-name=Rust")
-            .arg("--rel-manifest-dir=rustlib")
-            .arg("--success-message=lldb-installed.")
-            .arg("--image-dir").arg(&image)
-            .arg("--work-dir").arg(&tmpdir(builder))
-            .arg("--output-dir").arg(&distdir(builder))
-            .arg("--non-installed-overlay").arg(&overlay)
-            .arg(format!("--package-name={}-{}", name, target))
-            .arg("--legacy-manifest-dirs=rustlib,cargo")
-            .arg("--component-name=lldb-preview");
-
-
-        builder.run(&mut cmd);
-        Some(distdir(builder).join(format!("{}-{}.tar.gz", name, target)))
+    fn make_run(run: RunConfig<'_>) {
+        run.builder.ensure(BuildManifest { target: run.target });
+    }
+
+    fn run(self, builder: &Builder<'_>) -> GeneratedTarball {
+        let build_manifest = builder.tool_exe(Tool::BuildManifest);
+
+        let tarball = Tarball::new(builder, "build-manifest", &self.target.triple);
+        tarball.add_file(&build_manifest, "bin", 0o755);
+        tarball.generate()
+    }
+}
+
+/// Tarball containing artifacts necessary to reproduce the build of rustc.
+///
+/// Currently this is the PGO profile data.
+///
+/// Should not be considered stable by end users.
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
+pub struct ReproducibleArtifacts {
+    pub target: TargetSelection,
+}
+
+impl Step for ReproducibleArtifacts {
+    type Output = Option<GeneratedTarball>;
+    const DEFAULT: bool = true;
+    const ONLY_HOSTS: bool = true;
+
+    fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+        run.path("reproducible")
+    }
+
+    fn make_run(run: RunConfig<'_>) {
+        run.builder.ensure(ReproducibleArtifacts { target: run.target });
+    }
+
+    fn run(self, builder: &Builder<'_>) -> Self::Output {
+        let mut added_anything = false;
+        let tarball = Tarball::new(builder, "reproducible-artifacts", &self.target.triple);
+        if let Some(path) = builder.config.rust_profile_use.as_ref() {
+            tarball.add_file(path, ".", 0o644);
+            added_anything = true;
+        }
+        if let Some(path) = builder.config.llvm_profile_use.as_ref() {
+            tarball.add_file(path, ".", 0o644);
+            added_anything = true;
+        }
+        if added_anything { Some(tarball.generate()) } else { None }
     }
 }