diff options
Diffstat (limited to 'src/bootstrap/compile.rs')
| -rw-r--r-- | src/bootstrap/compile.rs | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index e02a10b81..0deed3f99 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -206,7 +206,6 @@ fn copy_third_party_objects( } if target == "x86_64-fortanix-unknown-sgx" - || target.contains("pc-windows-gnullvm") || builder.config.llvm_libunwind(target) == LlvmLibunwind::InTree && (target.contains("linux") || target.contains("fuchsia")) { @@ -299,7 +298,9 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car // Determine if we're going to compile in optimized C intrinsics to // the `compiler-builtins` crate. These intrinsics live in LLVM's - // `compiler-rt` repository. + // `compiler-rt` repository, but our `src/llvm-project` submodule isn't + // always checked out, so we need to conditionally look for this. (e.g. if + // an external LLVM is used we skip the LLVM submodule checkout). // // Note that this shouldn't affect the correctness of `compiler-builtins`, // but only its speed. Some intrinsics in C haven't been translated to Rust @@ -310,15 +311,8 @@ pub fn std_cargo(builder: &Builder<'_>, target: TargetSelection, stage: u32, car // If `compiler-rt` is available ensure that the `c` feature of the // `compiler-builtins` crate is enabled and it's configured to learn where // `compiler-rt` is located. - let compiler_builtins_c_feature = if builder.config.optimized_compiler_builtins { - if !builder.is_rust_llvm(target) { - panic!( - "need a managed LLVM submodule for optimized intrinsics support; unset `llvm-config` or `optimized-compiler-builtins`" - ); - } - - builder.update_submodule(&Path::new("src").join("llvm-project")); - let compiler_builtins_root = builder.src.join("src/llvm-project/compiler-rt"); + let compiler_builtins_root = builder.src.join("src/llvm-project/compiler-rt"); + let compiler_builtins_c_feature = if compiler_builtins_root.exists() { // Note that `libprofiler_builtins/build.rs` also computes this so if // you're changing something here please also change that. cargo.env("RUST_COMPILER_RT_ROOT", &compiler_builtins_root); @@ -452,7 +446,7 @@ fn copy_sanitizers( ) -> Vec<PathBuf> { let runtimes: Vec<native::SanitizerRuntime> = builder.ensure(native::Sanitizers { target }); - if builder.config.dry_run { + if builder.config.dry_run() { return Vec::new(); } @@ -769,10 +763,10 @@ pub fn rustc_cargo_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetS cargo.env("CFG_LIBDIR_RELATIVE", libdir_relative); - if let Some(ref ver_date) = builder.rust_info.commit_date() { + if let Some(ref ver_date) = builder.rust_info().commit_date() { cargo.env("CFG_VER_DATE", ver_date); } - if let Some(ref ver_hash) = builder.rust_info.sha() { + if let Some(ref ver_hash) = builder.rust_info().sha() { cargo.env("CFG_VER_HASH", ver_hash); } if !builder.unstable_features() { @@ -991,7 +985,7 @@ impl Step for CodegenBackend { compiler.stage, backend, &compiler.host, target )); let files = run_cargo(builder, cargo, vec![], &tmp_stamp, vec![], false); - if builder.config.dry_run { + if builder.config.dry_run() { return; } let mut files = files.into_iter().filter(|f| { @@ -1039,7 +1033,7 @@ fn copy_codegen_backends_to_sysroot( let dst = builder.sysroot_codegen_backends(target_compiler); t!(fs::create_dir_all(&dst), dst); - if builder.config.dry_run { + if builder.config.dry_run() { return; } @@ -1127,13 +1121,18 @@ impl Step for Sysroot { fn run(self, builder: &Builder<'_>) -> Interned<PathBuf> { let compiler = self.compiler; let host_dir = builder.out.join(&compiler.host.triple); - let sysroot = if compiler.stage == 0 { - host_dir.join("stage0-sysroot") - } else if builder.download_rustc() { - host_dir.join("ci-rustc-sysroot") - } else { - host_dir.join(format!("stage{}", compiler.stage)) + + let sysroot_dir = |stage| { + if stage == 0 { + host_dir.join("stage0-sysroot") + } else if builder.download_rustc() && compiler.stage != builder.top_stage { + host_dir.join("ci-rustc-sysroot") + } else { + host_dir.join(format!("stage{}", stage)) + } }; + let sysroot = sysroot_dir(compiler.stage); + let _ = fs::remove_dir_all(&sysroot); t!(fs::create_dir_all(&sysroot)); @@ -1144,9 +1143,15 @@ impl Step for Sysroot { "Cross-compiling is not yet supported with `download-rustc`", ); - // #102002, cleanup stage1 and stage0-sysroot folders when using download-rustc so people don't use old versions of the toolchain by accident. - let _ = fs::remove_dir_all(host_dir.join("stage1")); - let _ = fs::remove_dir_all(host_dir.join("stage0-sysroot")); + // #102002, cleanup old toolchain folders when using download-rustc so people don't use them by accident. + for stage in 0..=2 { + if stage != compiler.stage { + let dir = sysroot_dir(stage); + if !dir.ends_with("ci-rustc-sysroot") { + let _ = fs::remove_dir_all(dir); + } + } + } // Copy the compiler into the correct sysroot. let ci_rustc_dir = @@ -1337,7 +1342,7 @@ impl Step for Assemble { if builder.config.rust_codegen_backends.contains(&INTERNER.intern_str("llvm")) { let llvm_config_bin = builder.ensure(native::Llvm { target: target_compiler.host }); - if !builder.config.dry_run { + if !builder.config.dry_run() { let llvm_bin_dir = output(Command::new(llvm_config_bin).arg("--bindir")); let llvm_bin_dir = Path::new(llvm_bin_dir.trim()); @@ -1407,7 +1412,7 @@ pub fn run_cargo( additional_target_deps: Vec<(PathBuf, DependencyType)>, is_check: bool, ) -> Vec<PathBuf> { - if builder.config.dry_run { + if builder.config.dry_run() { return Vec::new(); } @@ -1547,7 +1552,7 @@ pub fn stream_cargo( cb: &mut dyn FnMut(CargoMessage<'_>), ) -> bool { let mut cargo = Command::from(cargo); - if builder.config.dry_run { + if builder.config.dry_run() { return true; } // Instruct Cargo to give us json messages on stdout, critically leaving |