diff options
Diffstat (limited to 'src/bootstrap/compile.rs')
| -rw-r--r-- | src/bootstrap/compile.rs | 121 |
1 files changed, 71 insertions, 50 deletions
diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index 4a4e7adcb..33addb90d 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -9,6 +9,7 @@ use std::borrow::Cow; use std::collections::HashSet; use std::env; +use std::ffi::OsStr; use std::fs; use std::io::prelude::*; use std::io::BufReader; @@ -55,7 +56,7 @@ impl Step for Std { // When downloading stage1, the standard library has already been copied to the sysroot, so // there's no need to rebuild it. let builder = run.builder; - run.crate_or_deps("test") + run.crate_or_deps("sysroot") .path("library") .lazy_default_condition(Box::new(|| !builder.download_rustc())) } @@ -142,23 +143,13 @@ impl Step for Std { cargo.arg("-p").arg(krate); } - let msg = if compiler.host == target { - format!( - "Building{} stage{} library artifacts ({}) ", - crate_description(&self.crates), - compiler.stage, - compiler.host - ) - } else { - format!( - "Building{} stage{} library artifacts ({} -> {})", - crate_description(&self.crates), - compiler.stage, - compiler.host, - target, - ) - }; - builder.info(&msg); + let _guard = builder.msg( + Kind::Build, + compiler.stage, + format_args!("library artifacts{}", crate_description(&self.crates)), + compiler.host, + target, + ); run_cargo( builder, cargo, @@ -373,7 +364,7 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car .arg("--features") .arg(features) .arg("--manifest-path") - .arg(builder.src.join("library/test/Cargo.toml")); + .arg(builder.src.join("library/sysroot/Cargo.toml")); // Help the libc crate compile by assisting it in finding various // sysroot native libraries. @@ -421,6 +412,8 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car format!("-Zcrate-attr=doc(html_root_url=\"{}/\")", builder.doc_rust_lang_org_channel(),); cargo.rustflag(&html_root); cargo.rustdocflag(&html_root); + + cargo.rustdocflag("-Zcrate-attr=warn(rust_2018_idioms)"); } #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] @@ -652,8 +645,19 @@ impl Step for Rustc { // so its artifacts can't be reused. if builder.download_rustc() && compiler.stage != 0 { // Copy the existing artifacts instead of rebuilding them. - // NOTE: this path is only taken for tools linking to rustc-dev. - builder.ensure(Sysroot { compiler }); + // NOTE: this path is only taken for tools linking to rustc-dev (including ui-fulldeps tests). + let sysroot = builder.ensure(Sysroot { compiler }); + + let ci_rustc_dir = builder.out.join(&*builder.build.build.triple).join("ci-rustc"); + for file in builder.config.rustc_dev_contents() { + let src = ci_rustc_dir.join(&file); + let dst = sysroot.join(file); + if src.is_dir() { + t!(fs::create_dir_all(dst)); + } else { + builder.copy(&src, &dst); + } + } return; } @@ -778,24 +782,13 @@ impl Step for Rustc { cargo.arg("-p").arg(krate); } - let msg = if compiler.host == target { - format!( - "Building{} compiler artifacts (stage{} -> stage{})", - crate_description(&self.crates), - compiler.stage, - compiler.stage + 1 - ) - } else { - format!( - "Building{} compiler artifacts (stage{}:{} -> stage{}:{})", - crate_description(&self.crates), - compiler.stage, - compiler.host, - compiler.stage + 1, - target, - ) - }; - builder.info(&msg); + let _guard = builder.msg_sysroot_tool( + Kind::Build, + compiler.stage, + format_args!("compiler artifacts{}", crate_description(&self.crates)), + compiler.host, + target, + ); run_cargo( builder, cargo, @@ -819,6 +812,9 @@ pub fn rustc_cargo(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelec .arg(builder.rustc_features(builder.kind)) .arg("--manifest-path") .arg(builder.src.join("compiler/rustc/Cargo.toml")); + + cargo.rustdocflag("-Zcrate-attr=warn(rust_2018_idioms)"); + rustc_cargo_env(builder, cargo, target, stage); } @@ -1102,15 +1098,7 @@ impl Step for CodegenBackend { let tmp_stamp = out_dir.join(".tmp.stamp"); - let msg = if compiler.host == target { - format!("Building stage{} codegen backend {}", compiler.stage, backend) - } else { - format!( - "Building stage{} codegen backend {} ({} -> {})", - compiler.stage, backend, compiler.host, target - ) - }; - builder.info(&msg); + let _guard = builder.msg_build(compiler, format_args!("codegen backend {backend}"), target); let files = run_cargo(builder, cargo, vec![], &tmp_stamp, vec![], false, false); if builder.config.dry_run() { return; @@ -1260,6 +1248,7 @@ impl Step for Sysroot { }; let sysroot = sysroot_dir(compiler.stage); + builder.verbose(&format!("Removing sysroot {} to avoid caching bugs", sysroot.display())); let _ = fs::remove_dir_all(&sysroot); t!(fs::create_dir_all(&sysroot)); @@ -1281,8 +1270,40 @@ impl Step for Sysroot { } // Copy the compiler into the correct sysroot. - builder.cp_r(&builder.ci_rustc_dir(builder.build.build), &sysroot); - return INTERNER.intern_path(sysroot); + // NOTE(#108767): We intentionally don't copy `rustc-dev` artifacts until they're requested with `builder.ensure(Rustc)`. + // This fixes an issue where we'd have multiple copies of libc in the sysroot with no way to tell which to load. + // There are a few quirks of bootstrap that interact to make this reliable: + // 1. The order `Step`s are run is hard-coded in `builder.rs` and not configurable. This + // avoids e.g. reordering `test::UiFulldeps` before `test::Ui` and causing the latter to + // fail because of duplicate metadata. + // 2. The sysroot is deleted and recreated between each invocation, so running `x test + // ui-fulldeps && x test ui` can't cause failures. + let mut filtered_files = Vec::new(); + // Don't trim directories or files that aren't loaded per-target; they can't cause conflicts. + let suffix = format!("lib/rustlib/{}/lib", compiler.host); + for path in builder.config.rustc_dev_contents() { + let path = Path::new(&path); + if path.parent().map_or(false, |parent| parent.ends_with(&suffix)) { + filtered_files.push(path.file_name().unwrap().to_owned()); + } + } + + let filtered_extensions = [OsStr::new("rmeta"), OsStr::new("rlib"), OsStr::new("so")]; + let ci_rustc_dir = builder.ci_rustc_dir(builder.config.build); + builder.cp_filtered(&ci_rustc_dir, &sysroot, &|path| { + if path.extension().map_or(true, |ext| !filtered_extensions.contains(&ext)) { + return true; + } + if !path.parent().map_or(true, |p| p.ends_with(&suffix)) { + return true; + } + if !filtered_files.iter().all(|f| f != path.file_name().unwrap()) { + builder.verbose_than(1, &format!("ignoring {}", path.display())); + false + } else { + true + } + }); } // Symlink the source root into the same location inside the sysroot, |