From 2ff14448863ac1a1dd9533461708e29aae170c2d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:06:31 +0200 Subject: Adding debian version 1.65.0+dfsg1-2. Signed-off-by: Daniel Baumann --- src/bootstrap/native.rs | 107 ++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 91 insertions(+), 16 deletions(-) (limited to 'src/bootstrap/native.rs') diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs index 4d548dbb6..fc3bfaf1b 100644 --- a/src/bootstrap/native.rs +++ b/src/bootstrap/native.rs @@ -114,23 +114,20 @@ pub fn prebuilt_llvm_config( Err(Meta { stamp, build_llvm_config, out_dir, root: root.into() }) } -pub(crate) fn maybe_download_ci_llvm(builder: &Builder<'_>) { - let config = &builder.config; - if !config.llvm_from_ci { - return; - } +/// This retrieves the LLVM sha we *want* to use, according to git history. +pub(crate) fn detect_llvm_sha(config: &crate::config::Config) -> String { let mut rev_list = config.git(); rev_list.args(&[ PathBuf::from("rev-list"), - format!("--author={}", builder.config.stage0_metadata.config.git_merge_commit_email).into(), + format!("--author={}", config.stage0_metadata.config.git_merge_commit_email).into(), "-n1".into(), "--first-parent".into(), "HEAD".into(), "--".into(), - builder.src.join("src/llvm-project"), - builder.src.join("src/bootstrap/download-ci-llvm-stamp"), + config.src.join("src/llvm-project"), + config.src.join("src/bootstrap/download-ci-llvm-stamp"), // the LLVM shared object file is named `LLVM-12-rust-{version}-nightly` - builder.src.join("src/version"), + config.src.join("src/version"), ]); let llvm_sha = output(&mut rev_list); let llvm_sha = llvm_sha.trim(); @@ -143,8 +140,82 @@ pub(crate) fn maybe_download_ci_llvm(builder: &Builder<'_>) { panic!(); } + llvm_sha.to_owned() +} + +/// Returns whether the CI-found LLVM is currently usable. +/// +/// This checks both the build triple platform to confirm we're usable at all, +/// and then verifies if the current HEAD matches the detected LLVM SHA head, +/// in which case LLVM is indicated as not available. +pub(crate) fn is_ci_llvm_available(config: &crate::config::Config, asserts: bool) -> bool { + // This is currently all tier 1 targets and tier 2 targets with host tools + // (since others may not have CI artifacts) + // https://doc.rust-lang.org/rustc/platform-support.html#tier-1 + let supported_platforms = [ + // tier 1 + "aarch64-unknown-linux-gnu", + "i686-pc-windows-gnu", + "i686-pc-windows-msvc", + "i686-unknown-linux-gnu", + "x86_64-unknown-linux-gnu", + "x86_64-apple-darwin", + "x86_64-pc-windows-gnu", + "x86_64-pc-windows-msvc", + // tier 2 with host tools + "aarch64-apple-darwin", + "aarch64-pc-windows-msvc", + "aarch64-unknown-linux-musl", + "arm-unknown-linux-gnueabi", + "arm-unknown-linux-gnueabihf", + "armv7-unknown-linux-gnueabihf", + "mips-unknown-linux-gnu", + "mips64-unknown-linux-gnuabi64", + "mips64el-unknown-linux-gnuabi64", + "mipsel-unknown-linux-gnu", + "powerpc-unknown-linux-gnu", + "powerpc64-unknown-linux-gnu", + "powerpc64le-unknown-linux-gnu", + "riscv64gc-unknown-linux-gnu", + "s390x-unknown-linux-gnu", + "x86_64-unknown-freebsd", + "x86_64-unknown-illumos", + "x86_64-unknown-linux-musl", + "x86_64-unknown-netbsd", + ]; + if !supported_platforms.contains(&&*config.build.triple) { + return false; + } + + let triple = &*config.build.triple; + if (triple == "aarch64-unknown-linux-gnu" || triple.contains("i686")) && asserts { + // No alt builder for aarch64-unknown-linux-gnu today. + return false; + } + + if crate::util::CiEnv::is_ci() { + let llvm_sha = detect_llvm_sha(config); + let head_sha = output(config.git().arg("rev-parse").arg("HEAD")); + let head_sha = head_sha.trim(); + if llvm_sha == head_sha { + eprintln!( + "Detected LLVM as non-available: running in CI and modified LLVM in this change" + ); + return false; + } + } + + true +} + +pub(crate) fn maybe_download_ci_llvm(builder: &Builder<'_>) { + let config = &builder.config; + if !config.llvm_from_ci { + return; + } let llvm_root = config.ci_llvm_root(); let llvm_stamp = llvm_root.join(".llvm-stamp"); + let llvm_sha = detect_llvm_sha(&config); let key = format!("{}{}", llvm_sha, config.llvm_assertions); if program_out_of_date(&llvm_stamp, &key) && !config.dry_run { download_ci_llvm(builder, &llvm_sha); @@ -189,8 +260,8 @@ fn download_ci_llvm(builder: &Builder<'_>, llvm_sha: &str) { } else { &builder.config.stage0_metadata.config.artifacts_server }; - let channel = builder.config.artifact_channel(llvm_sha); - let filename = format!("rust-dev-{}-{}.tar.xz", channel, builder.build.build.triple); + let version = builder.config.artifact_version_part(llvm_sha); + let filename = format!("rust-dev-{}-{}.tar.xz", version, builder.build.build.triple); let tarball = rustc_cache.join(&filename); if !tarball.exists() { let help_on_error = "error: failed to download llvm from ci @@ -325,6 +396,9 @@ impl Step for Llvm { cfg.define("LLVM_PROFDATA_FILE", &path); } + // Disable zstd to avoid a dependency on libzstd.so. + cfg.define("LLVM_ENABLE_ZSTD", "OFF"); + if target != "aarch64-apple-darwin" && !target.contains("windows") { cfg.define("LLVM_ENABLE_ZLIB", "ON"); } else { @@ -358,12 +432,13 @@ impl Step for Llvm { cfg.define("LLVM_LINK_LLVM_DYLIB", "ON"); } - if target.starts_with("riscv") && !target.contains("freebsd") { + if target.starts_with("riscv") && !target.contains("freebsd") && !target.contains("openbsd") + { // RISC-V GCC erroneously requires linking against // `libatomic` when using 1-byte and 2-byte C++ // atomics but the LLVM build system check cannot // detect this. Therefore it is set manually here. - // FreeBSD uses Clang as its system compiler and + // Some BSD uses Clang as its system compiler and // provides no libatomic in its base system so does // not want this. ldflags.exe.push(" -latomic"); @@ -512,11 +587,11 @@ fn check_llvm_version(builder: &Builder<'_>, llvm_config: &Path) { let version = output(cmd.arg("--version")); let mut parts = version.split('.').take(2).filter_map(|s| s.parse::().ok()); if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) { - if major >= 12 { + if major >= 13 { return; } } - panic!("\n\nbad LLVM version: {}, need >=12.0\n\n", version) + panic!("\n\nbad LLVM version: {}, need >=13.0\n\n", version) } fn configure_cmake( @@ -563,7 +638,7 @@ fn configure_cmake( if target.contains("darwin") { // Make sure that CMake does not build universal binaries on macOS. - // Explicitly specifiy the one single target architecture. + // Explicitly specify the one single target architecture. if target.starts_with("aarch64") { // macOS uses a different name for building arm64 cfg.define("CMAKE_OSX_ARCHITECTURES", "arm64"); -- cgit v1.2.3