diff --git a/.github/workflows/test-rustc-targets.yml b/.github/workflows/test-rustc-targets.yml new file mode 100644 index 00000000..4608759d --- /dev/null +++ b/.github/workflows/test-rustc-targets.yml @@ -0,0 +1,52 @@ +name: Test nightly `rustc` targets and add issue comment if changed + +on: + workflow_dispatch: # Allow running on-demand + schedule: + - cron: '0 3 * * 1,4' # Every Monday and Thursdag + push: + branches: + - 'main' + paths: + - 'src/target/**' + +jobs: + regenerate: + if: github.repository_owner == 'rust-lang' + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v4 + with: + persist-credentials: true + + - name: Install current nightly Rust + run: | + rustup toolchain install nightly --no-self-update --profile minimal + rustup default nightly + - run: cargo update + - uses: Swatinem/rust-cache@v2 + + - name: Test with `RUSTFLAGS=--cfg=rustc_target_test cargo test --lib` + id: test + continue-on-error: true # We want to open an issue if it fails + run: cargo test --lib 2>&1 | tee test_output.txt + env: + RUSTFLAGS: --cfg=rustc_target_test + + # Added to https://github.com/rust-lang/cc-rs/issues/1426 + - name: Add issue comment if test failed + if: steps.test.outcome == 'failure' + env: + GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} + run: | + gh issue comment 1426 --body " + Failed parsing `rustc` target on `$(rustc --version)`. + +
Test output +

+ \`\`\` + $(cat test_output.txt) + \`\`\` +

+
+ " --head $(git branch --show-current) diff --git a/dev-tools/gen-target-info/src/lib.rs b/dev-tools/gen-target-info/src/lib.rs index 48bb5550..ea4420a6 100644 --- a/dev-tools/gen-target-info/src/lib.rs +++ b/dev-tools/gen-target-info/src/lib.rs @@ -3,6 +3,3 @@ pub use target_specs::*; mod read; pub use read::*; - -mod write; -pub use write::*; diff --git a/dev-tools/gen-target-info/src/main.rs b/dev-tools/gen-target-info/src/main.rs index 383d2920..b7f8dad5 100644 --- a/dev-tools/gen-target-info/src/main.rs +++ b/dev-tools/gen-target-info/src/main.rs @@ -5,76 +5,18 @@ use gen_target_info::{ get_target_spec_from_msrv, get_target_specs_from_json, get_targets_msrv, RustcTargetSpecs, }; -const PRELUDE: &str = r#"//! This file is generated code. Please edit the generator -//! in dev-tools/gen-target-info if you need to make changes. +const PRELUDE: &str = r#"//! This file is generated code. Please edit the generator in +//! dev-tools/gen-target-info if you need to make changes, or see +//! src/target/llvm.rs if you need to configure a specific LLVM triple. "#; fn generate_target_mapping(f: &mut File, target_specs: &RustcTargetSpecs) -> std::io::Result<()> { - writeln!(f, "use super::TargetInfo;")?; - writeln!(f)?; - writeln!( - f, - "pub(crate) const LIST: &[(&str, TargetInfo<'static>)] = &[" - )?; + writeln!(f, "#[rustfmt::skip]")?; + writeln!(f, "pub(crate) const LLVM_TARGETS: &[(&str, &str)] = &[")?; - for (triple, spec) in &target_specs.0 { - let full_arch = triple.split_once('-').unwrap().0; - let arch = &spec.arch; - let vendor = spec.vendor.as_deref().unwrap_or("unknown"); - let os = spec.os.as_deref().unwrap_or("none"); - let env = spec.env.as_deref().unwrap_or(""); - let abi = spec.abi.as_deref().unwrap_or(""); - - // FIXME(madsmtm): Unnecessary once we bump MSRV to Rust 1.74 - let llvm_target = if spec.llvm_target == "armv7-apple-ios7.0.0" { - "armv7-apple-ios".to_string() - } else if os == "uefi" { - // Override the UEFI LLVM targets. - // - // The rustc mappings (as of 1.82) for the UEFI targets are: - // * i686-unknown-uefi -> i686-unknown-windows-gnu - // * x86_64-unknown-uefi -> x86_64-unknown-windows - // * aarch64-unknown-uefi -> aarch64-unknown-windows - // - // However, in cc-rs all the UEFI targets use - // -windows-gnu. This has been the case since 2021 [1]. - // * i686-unknown-uefi -> i686-unknown-windows-gnu - // * x86_64-unknown-uefi -> x86_64-unknown-windows-gnu - // * aarch64-unknown-uefi -> aarch64-unknown-windows-gnu - // - // For now, override the UEFI mapping to keep the behavior - // of cc-rs unchanged. - // - // TODO: as discussed in [2], it may be possible to switch - // to new UEFI targets added to clang, and regardless it - // would be good to have consistency between rustc and - // cc-rs. - // - // [1]: https://github.com/rust-lang/cc-rs/pull/623 - // [2]: https://github.com/rust-lang/cc-rs/pull/1264 - let arch = if spec.arch == "x86" { - "i686" - } else { - &spec.arch - }; - format!("{}-unknown-windows-gnu", arch) - } else { - spec.llvm_target.clone() - }; - - writeln!(f, " (")?; - writeln!(f, " {triple:?},")?; - writeln!(f, " TargetInfo {{")?; - writeln!(f, " full_arch: {full_arch:?},")?; - writeln!(f, " arch: {arch:?},")?; - writeln!(f, " vendor: {vendor:?},")?; - writeln!(f, " os: {os:?},")?; - writeln!(f, " env: {env:?},")?; - writeln!(f, " abi: {abi:?},")?; - writeln!(f, " llvm_target: {llvm_target:?},")?; - writeln!(f, " }},")?; - writeln!(f, " ),")?; + for (target_name, spec) in &target_specs.0 { + writeln!(f, " ({target_name:?}, {:?}),", spec.llvm_target)?; } writeln!(f, "];")?; @@ -92,13 +34,13 @@ fn main() { .unwrap() != 0 { - for target_triple in get_targets_msrv().lines() { - let target_triple = target_triple.unwrap(); - let target_triple = target_triple.trim(); + for target_name in get_targets_msrv().lines() { + let target_name = target_name.unwrap(); + let target_name = target_name.trim(); target_specs .0 - .entry(target_triple.to_string()) - .or_insert_with(|| get_target_spec_from_msrv(target_triple)); + .entry(target_name.to_string()) + .or_insert_with(|| get_target_spec_from_msrv(target_name)); } } diff --git a/dev-tools/gen-target-info/src/write.rs b/dev-tools/gen-target-info/src/write.rs deleted file mode 100644 index 5ea545e6..00000000 --- a/dev-tools/gen-target-info/src/write.rs +++ /dev/null @@ -1,18 +0,0 @@ -use std::{collections::BTreeMap, fmt::Write as _, fs, io::Write as _}; - -pub fn write_target_tuple_mapping( - f: &mut fs::File, - variable_name: &str, - data: &BTreeMap<&str, &str>, -) { - let mut content = format!("pub const {variable_name}: &[(&str, &str)] = &[\n"); - - for (f1, f2) in data { - write!(&mut content, r#" ("{f1}", "{f2}"),"#).unwrap(); - content.push('\n'); - } - - content.push_str("];\n"); - - f.write_all(content.as_bytes()).unwrap(); -} diff --git a/src/lib.rs b/src/lib.rs index ded30395..343fa332 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -145,11 +145,11 @@ //! //! * Unix platforms require `cc` to be the C compiler. This can be found by //! installing cc/clang on Linux distributions and Xcode on macOS, for example. -//! * Windows platforms targeting MSVC (e.g. your target triple ends in `-msvc`) +//! * Windows platforms targeting MSVC (e.g. your target name ends in `-msvc`) //! require Visual Studio to be installed. `cc-rs` attempts to locate it, and //! if it fails, `cl.exe` is expected to be available in `PATH`. This can be //! set up by running the appropriate developer tools shell. -//! * Windows platforms targeting MinGW (e.g. your target triple ends in `-gnu`) +//! * Windows platforms targeting MinGW (e.g. your target name ends in `-gnu`) //! require `cc` to be available in `PATH`. We recommend the //! [MinGW-w64](https://www.mingw-w64.org/) distribution. //! You may also acquire it via @@ -2169,9 +2169,9 @@ impl Build { // libstdc++ (this behavior was changed in llvm 14). // // This breaks C++11 (or greater) builds if targeting FreeBSD with the - // generic xxx-unknown-freebsd triple on clang 13 or below *without* + // generic xxx-unknown-freebsd target on clang 13 or below *without* // explicitly specifying that libc++ should be used. - // When cross-compiling, we can't infer from the rust/cargo target triple + // When cross-compiling, we can't infer from the rust/cargo target name // which major version of FreeBSD we are targeting, so we need to make sure // that libc++ is used (unless the user has explicitly specified otherwise). // There's no compelling reason to use a different approach when compiling @@ -2202,14 +2202,14 @@ impl Build { // So instead, we pass the deployment target with `-m*-version-min=`, and only // pass it here on visionOS and Mac Catalyst where that option does not exist: // https://github.com/rust-lang/cc-rs/issues/1383 - let clang_target = if target.os == "visionos" || target.abi == "macabi" { - Cow::Owned( - target.versioned_llvm_target(&self.apple_deployment_target(target)), - ) + let version = if target.os == "visionos" || target.abi == "macabi" { + Some(self.apple_deployment_target(target)) } else { - Cow::Borrowed(target.llvm_target) + None }; + let clang_target = + target.llvm_target(&self.get_raw_target()?, version.as_deref()); cmd.push_cc_arg(format!("--target={clang_target}").into()); } } @@ -2235,7 +2235,13 @@ impl Build { // . cmd.push_cc_arg("-arch:SSE2".into()); } else { - cmd.push_cc_arg(format!("--target={}", target.llvm_target).into()); + cmd.push_cc_arg( + format!( + "--target={}", + target.llvm_target(&self.get_raw_target()?, None) + ) + .into(), + ); } } else if target.full_arch == "i586" { cmd.push_cc_arg("-arch:IA32".into()); @@ -3520,7 +3526,9 @@ impl Build { fn get_target(&self) -> Result, Error> { match &self.target { - Some(t) if Some(&**t) != self.getenv_unwrap_str("TARGET").ok().as_deref() => t.parse(), + Some(t) if Some(&**t) != self.getenv_unwrap_str("TARGET").ok().as_deref() => { + TargetInfo::from_rustc_target(t) + } // Fetch target information from environment if not set, or if the // target was the same as the TARGET environment variable, in // case the user did `build.target(&env::var("TARGET").unwrap())`. diff --git a/src/target.rs b/src/target.rs index 3d6cb911..ed432df5 100644 --- a/src/target.rs +++ b/src/target.rs @@ -1,10 +1,5 @@ -//! Very basic parsing of `rustc` target triples. -//! -//! See the `target-lexicon` crate for a more principled approach to this. - -use std::str::FromStr; - -use crate::{Error, ErrorKind}; +//! Parsing of `rustc` target names to match the values exposed to Cargo +//! build scripts (`CARGO_CFG_*`). mod apple; mod generated; @@ -43,90 +38,4 @@ pub(crate) struct TargetInfo<'a> { /// /// This is the same as the value of `cfg!(target_abi)`. pub abi: &'a str, - /// The unversioned LLVM/Clang target triple. - /// - /// NOTE: You should never need to match on this explicitly, use the other - /// fields on [`TargetInfo`] instead. - pub llvm_target: &'a str, -} - -impl FromStr for TargetInfo<'_> { - type Err = Error; - - /// This will fail when using a custom target triple unknown to `rustc`. - fn from_str(target_triple: &str) -> Result { - if let Ok(index) = - generated::LIST.binary_search_by_key(&target_triple, |(target_triple, _)| target_triple) - { - let (_, info) = &generated::LIST[index]; - Ok(info.clone()) - } else { - Err(Error::new( - ErrorKind::UnknownTarget, - format!( - "unknown target `{target_triple}`. - -NOTE: `cc-rs` only supports a fixed set of targets when not in a build script. -- If adding a new target, you will need to fork of `cc-rs` until the target - has landed on nightly and the auto-generated list has been updated. See also - the `rustc` dev guide on adding a new target: - https://rustc-dev-guide.rust-lang.org/building/new-target.html -- If using a custom target, prefer to upstream it to `rustc` if possible, - otherwise open an issue with `cc-rs`: - https://github.com/rust-lang/cc-rs/issues/new -" - ), - )) - } - } -} - -#[cfg(test)] -mod tests { - use std::str::FromStr; - - use super::TargetInfo; - - // Test tier 1 targets - #[test] - fn tier1() { - let targets = [ - "aarch64-unknown-linux-gnu", - "aarch64-apple-darwin", - "i686-pc-windows-gnu", - "i686-pc-windows-msvc", - "i686-unknown-linux-gnu", - "x86_64-apple-darwin", - "x86_64-pc-windows-gnu", - "x86_64-pc-windows-msvc", - "x86_64-unknown-linux-gnu", - ]; - - for target in targets { - // Check that it parses - let _ = TargetInfo::from_str(target).unwrap(); - } - } - - // Various custom target triples not (or no longer) known by `rustc` - #[test] - fn cannot_parse_extra() { - let targets = [ - "aarch64-unknown-none-gnu", - "aarch64-uwp-windows-gnu", - "arm-frc-linux-gnueabi", - "arm-unknown-netbsd-eabi", - "armv7neon-unknown-linux-gnueabihf", - "armv7neon-unknown-linux-musleabihf", - "thumbv7-unknown-linux-gnueabihf", - "thumbv7-unknown-linux-musleabihf", - "x86_64-rumprun-netbsd", - "x86_64-unknown-linux", - ]; - - for target in targets { - // Check that it does not parse - let _ = TargetInfo::from_str(target).unwrap_err(); - } - } } diff --git a/src/target/generated.rs b/src/target/generated.rs index 377a369f..31d0b3b7 100644 --- a/src/target/generated.rs +++ b/src/target/generated.rs @@ -1,3547 +1,302 @@ -//! This file is generated code. Please edit the generator -//! in dev-tools/gen-target-info if you need to make changes. +//! This file is generated code. Please edit the generator in +//! dev-tools/gen-target-info if you need to make changes, or see +//! src/target/llvm.rs if you need to configure a specific LLVM triple. -use super::TargetInfo; - -pub(crate) const LIST: &[(&str, TargetInfo<'static>)] = &[ - ( - "aarch64-apple-darwin", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "macos", - env: "", - abi: "", - llvm_target: "arm64-apple-macosx", - }, - ), - ( - "aarch64-apple-ios", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "ios", - env: "", - abi: "", - llvm_target: "arm64-apple-ios", - }, - ), - ( - "aarch64-apple-ios-macabi", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "ios", - env: "", - abi: "macabi", - llvm_target: "arm64-apple-ios-macabi", - }, - ), - ( - "aarch64-apple-ios-sim", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "ios", - env: "", - abi: "sim", - llvm_target: "arm64-apple-ios-simulator", - }, - ), - ( - "aarch64-apple-tvos", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "tvos", - env: "", - abi: "", - llvm_target: "arm64-apple-tvos", - }, - ), - ( - "aarch64-apple-tvos-sim", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "tvos", - env: "", - abi: "sim", - llvm_target: "arm64-apple-tvos-simulator", - }, - ), - ( - "aarch64-apple-visionos", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "visionos", - env: "", - abi: "", - llvm_target: "arm64-apple-xros", - }, - ), - ( - "aarch64-apple-visionos-sim", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "visionos", - env: "", - abi: "sim", - llvm_target: "arm64-apple-xros-simulator", - }, - ), - ( - "aarch64-apple-watchos", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "watchos", - env: "", - abi: "", - llvm_target: "arm64-apple-watchos", - }, - ), - ( - "aarch64-apple-watchos-sim", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "apple", - os: "watchos", - env: "", - abi: "sim", - llvm_target: "arm64-apple-watchos-simulator", - }, - ), - ( - "aarch64-fuchsia", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "fuchsia", - env: "", - abi: "", - llvm_target: "aarch64-fuchsia", - }, - ), - ( - "aarch64-kmc-solid_asp3", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "kmc", - os: "solid_asp3", - env: "", - abi: "", - llvm_target: "aarch64-unknown-none", - }, - ), - ( - "aarch64-linux-android", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "android", - env: "", - abi: "", - llvm_target: "aarch64-linux-android", - }, - ), - ( - "aarch64-nintendo-switch-freestanding", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "nintendo", - os: "horizon", - env: "", - abi: "", - llvm_target: "aarch64-unknown-none", - }, - ), - ( - "aarch64-pc-windows-gnullvm", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "pc", - os: "windows", - env: "gnu", - abi: "llvm", - llvm_target: "aarch64-pc-windows-gnu", - }, - ), - ( - "aarch64-pc-windows-msvc", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "pc", - os: "windows", - env: "msvc", - abi: "", - llvm_target: "aarch64-pc-windows-msvc", - }, - ), - ( - "aarch64-unknown-freebsd", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "freebsd", - env: "", - abi: "", - llvm_target: "aarch64-unknown-freebsd", - }, - ), - ( - "aarch64-unknown-fuchsia", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "fuchsia", - env: "", - abi: "", - llvm_target: "aarch64-unknown-fuchsia", - }, - ), - ( - "aarch64-unknown-hermit", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "hermit", - env: "", - abi: "", - llvm_target: "aarch64-unknown-hermit", - }, - ), - ( - "aarch64-unknown-illumos", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "illumos", - env: "", - abi: "", - llvm_target: "aarch64-unknown-solaris2.11", - }, - ), - ( - "aarch64-unknown-linux-gnu", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "", - llvm_target: "aarch64-unknown-linux-gnu", - }, - ), - ( - "aarch64-unknown-linux-gnu_ilp32", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "ilp32", - llvm_target: "aarch64-unknown-linux-gnu_ilp32", - }, - ), - ( - "aarch64-unknown-linux-musl", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "", - llvm_target: "aarch64-unknown-linux-musl", - }, - ), - ( - "aarch64-unknown-linux-ohos", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "linux", - env: "ohos", - abi: "", - llvm_target: "aarch64-unknown-linux-ohos", - }, - ), - ( - "aarch64-unknown-netbsd", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "netbsd", - env: "", - abi: "", - llvm_target: "aarch64-unknown-netbsd", - }, - ), - ( - "aarch64-unknown-none", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "none", - env: "", - abi: "", - llvm_target: "aarch64-unknown-none", - }, - ), - ( - "aarch64-unknown-none-softfloat", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "none", - env: "", - abi: "softfloat", - llvm_target: "aarch64-unknown-none", - }, - ), - ( - "aarch64-unknown-nto-qnx700", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "nto", - env: "nto70", - abi: "", - llvm_target: "aarch64-unknown-unknown", - }, - ), - ( - "aarch64-unknown-nto-qnx710", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "nto", - env: "nto71", - abi: "", - llvm_target: "aarch64-unknown-unknown", - }, - ), - ( - "aarch64-unknown-nto-qnx710_iosock", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "nto", - env: "nto71_iosock", - abi: "", - llvm_target: "aarch64-unknown-unknown", - }, - ), - ( - "aarch64-unknown-nto-qnx800", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "nto", - env: "nto80", - abi: "", - llvm_target: "aarch64-unknown-unknown", - }, - ), - ( - "aarch64-unknown-nuttx", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "", - llvm_target: "aarch64-unknown-none", - }, - ), - ( - "aarch64-unknown-openbsd", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "openbsd", - env: "", - abi: "", - llvm_target: "aarch64-unknown-openbsd", - }, - ), - ( - "aarch64-unknown-redox", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "redox", - env: "relibc", - abi: "", - llvm_target: "aarch64-unknown-redox", - }, - ), - ( - "aarch64-unknown-teeos", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "teeos", - env: "", - abi: "", - llvm_target: "aarch64-unknown-none", - }, - ), - ( - "aarch64-unknown-trusty", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "trusty", - env: "", - abi: "", - llvm_target: "aarch64-unknown-unknown-musl", - }, - ), - ( - "aarch64-unknown-uefi", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "unknown", - os: "uefi", - env: "", - abi: "", - llvm_target: "aarch64-unknown-windows-gnu", - }, - ), - ( - "aarch64-uwp-windows-msvc", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "uwp", - os: "windows", - env: "msvc", - abi: "uwp", - llvm_target: "aarch64-pc-windows-msvc", - }, - ), - ( - "aarch64-wrs-vxworks", - TargetInfo { - full_arch: "aarch64", - arch: "aarch64", - vendor: "wrs", - os: "vxworks", - env: "gnu", - abi: "", - llvm_target: "aarch64-unknown-linux-gnu", - }, - ), - ( - "aarch64_be-unknown-linux-gnu", - TargetInfo { - full_arch: "aarch64_be", - arch: "aarch64", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "", - llvm_target: "aarch64_be-unknown-linux-gnu", - }, - ), - ( - "aarch64_be-unknown-linux-gnu_ilp32", - TargetInfo { - full_arch: "aarch64_be", - arch: "aarch64", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "ilp32", - llvm_target: "aarch64_be-unknown-linux-gnu_ilp32", - }, - ), - ( - "aarch64_be-unknown-netbsd", - TargetInfo { - full_arch: "aarch64_be", - arch: "aarch64", - vendor: "unknown", - os: "netbsd", - env: "", - abi: "", - llvm_target: "aarch64_be-unknown-netbsd", - }, - ), - ( - "amdgcn-amd-amdhsa", - TargetInfo { - full_arch: "amdgcn", - arch: "amdgpu", - vendor: "amd", - os: "amdhsa", - env: "", - abi: "", - llvm_target: "amdgcn-amd-amdhsa", - }, - ), - ( - "arm-linux-androideabi", - TargetInfo { - full_arch: "arm", - arch: "arm", - vendor: "unknown", - os: "android", - env: "", - abi: "eabi", - llvm_target: "arm-linux-androideabi", - }, - ), - ( - "arm-unknown-linux-gnueabi", - TargetInfo { - full_arch: "arm", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "eabi", - llvm_target: "arm-unknown-linux-gnueabi", - }, - ), - ( - "arm-unknown-linux-gnueabihf", - TargetInfo { - full_arch: "arm", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "eabihf", - llvm_target: "arm-unknown-linux-gnueabihf", - }, - ), - ( - "arm-unknown-linux-musleabi", - TargetInfo { - full_arch: "arm", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "eabi", - llvm_target: "arm-unknown-linux-musleabi", - }, - ), - ( - "arm-unknown-linux-musleabihf", - TargetInfo { - full_arch: "arm", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "eabihf", - llvm_target: "arm-unknown-linux-musleabihf", - }, - ), - ( - "arm64_32-apple-watchos", - TargetInfo { - full_arch: "arm64_32", - arch: "aarch64", - vendor: "apple", - os: "watchos", - env: "", - abi: "", - llvm_target: "arm64_32-apple-watchos", - }, - ), - ( - "arm64e-apple-darwin", - TargetInfo { - full_arch: "arm64e", - arch: "aarch64", - vendor: "apple", - os: "macos", - env: "", - abi: "", - llvm_target: "arm64e-apple-macosx", - }, - ), - ( - "arm64e-apple-ios", - TargetInfo { - full_arch: "arm64e", - arch: "aarch64", - vendor: "apple", - os: "ios", - env: "", - abi: "", - llvm_target: "arm64e-apple-ios", - }, - ), - ( - "arm64e-apple-tvos", - TargetInfo { - full_arch: "arm64e", - arch: "aarch64", - vendor: "apple", - os: "tvos", - env: "", - abi: "", - llvm_target: "arm64e-apple-tvos", - }, - ), - ( - "arm64ec-pc-windows-msvc", - TargetInfo { - full_arch: "arm64ec", - arch: "arm64ec", - vendor: "pc", - os: "windows", - env: "msvc", - abi: "", - 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TargetInfo { - full_arch: "armv7", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "eabi", - llvm_target: "armv7-unknown-linux-musleabi", - }, - ), - ( - "armv7-unknown-linux-musleabihf", - TargetInfo { - full_arch: "armv7", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "eabihf", - llvm_target: "armv7-unknown-linux-musleabihf", - }, - ), - ( - "armv7-unknown-linux-ohos", - TargetInfo { - full_arch: "armv7", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "ohos", - abi: "eabi", - llvm_target: "armv7-unknown-linux-ohos", - }, - ), - ( - "armv7-unknown-linux-uclibceabi", - TargetInfo { - full_arch: "armv7", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "uclibc", - abi: "eabi", - llvm_target: "armv7-unknown-linux-gnueabi", - }, - ), - ( - "armv7-unknown-linux-uclibceabihf", - TargetInfo { - full_arch: "armv7", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "uclibc", - abi: "eabihf", - llvm_target: 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( - "riscv64gc-unknown-hermit", - TargetInfo { - full_arch: "riscv64gc", - arch: "riscv64", - vendor: "unknown", - os: "hermit", - env: "", - abi: "", - llvm_target: "riscv64-unknown-hermit", - }, - ), - ( - "riscv64gc-unknown-linux-gnu", - TargetInfo { - full_arch: "riscv64gc", - arch: "riscv64", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "", - llvm_target: "riscv64-unknown-linux-gnu", - }, - ), - ( - "riscv64gc-unknown-linux-musl", - TargetInfo { - full_arch: "riscv64gc", - arch: "riscv64", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "", - llvm_target: "riscv64-unknown-linux-musl", - }, - ), - ( - "riscv64gc-unknown-netbsd", - TargetInfo { - full_arch: "riscv64gc", - arch: "riscv64", - vendor: "unknown", - os: "netbsd", - env: "", - abi: "", - llvm_target: "riscv64-unknown-netbsd", - }, - ), - ( - "riscv64gc-unknown-none-elf", - TargetInfo { - full_arch: "riscv64gc", - arch: "riscv64", - vendor: "unknown", - os: "none", - env: "", - abi: "", - llvm_target: 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}, - ), - ( - "s390x-unknown-linux-musl", - TargetInfo { - full_arch: "s390x", - arch: "s390x", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "", - llvm_target: "s390x-unknown-linux-musl", - }, - ), - ( - "sparc-unknown-linux-gnu", - TargetInfo { - full_arch: "sparc", - arch: "sparc", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "", - llvm_target: "sparc-unknown-linux-gnu", - }, - ), - ( - "sparc-unknown-none-elf", - TargetInfo { - full_arch: "sparc", - arch: "sparc", - vendor: "unknown", - os: "none", - env: "", - abi: "", - llvm_target: "sparc-unknown-none-elf", - }, - ), - ( - "sparc64-unknown-linux-gnu", - TargetInfo { - full_arch: "sparc64", - arch: "sparc64", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "", - llvm_target: "sparc64-unknown-linux-gnu", - }, - ), - ( - "sparc64-unknown-netbsd", - TargetInfo { - full_arch: "sparc64", - arch: "sparc64", - vendor: "unknown", - os: "netbsd", - env: "", - abi: "", - llvm_target: "sparc64-unknown-netbsd", - }, - ), - ( - "sparc64-unknown-openbsd", - TargetInfo { - full_arch: "sparc64", - arch: "sparc64", - vendor: "unknown", - os: "openbsd", - env: "", - abi: "", - llvm_target: "sparc64-unknown-openbsd", - }, - ), - ( - "sparcv9-sun-solaris", - TargetInfo { - full_arch: "sparcv9", - arch: "sparc64", - vendor: "sun", - os: "solaris", - env: "", - abi: "", - llvm_target: "sparcv9-sun-solaris", - }, - ), - ( - "thumbv4t-none-eabi", - TargetInfo { - full_arch: "thumbv4t", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabi", - llvm_target: "thumbv4t-none-eabi", - }, - ), - ( - "thumbv5te-none-eabi", - TargetInfo { - full_arch: "thumbv5te", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabi", - llvm_target: "thumbv5te-none-eabi", - }, - ), - ( - "thumbv6m-none-eabi", - TargetInfo { - full_arch: "thumbv6m", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabi", - llvm_target: "thumbv6m-none-eabi", - }, - ), - ( - "thumbv6m-nuttx-eabi", - TargetInfo { - full_arch: "thumbv6m", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabi", - llvm_target: "thumbv6m-none-eabi", - }, - ), - ( - "thumbv7a-nuttx-eabi", - TargetInfo { - full_arch: "thumbv7a", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabi", - llvm_target: "thumbv7a-none-eabi", - }, - ), - ( - "thumbv7a-nuttx-eabihf", - TargetInfo { - full_arch: "thumbv7a", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabihf", - llvm_target: "thumbv7a-none-eabihf", - }, - ), - ( - "thumbv7a-pc-windows-msvc", - TargetInfo { - full_arch: "thumbv7a", - arch: "arm", - vendor: "pc", - os: "windows", - env: "msvc", - abi: "", - llvm_target: "thumbv7a-pc-windows-msvc", - }, - ), - ( - "thumbv7a-uwp-windows-msvc", - TargetInfo { - full_arch: "thumbv7a", - arch: "arm", - vendor: "uwp", - os: "windows", - env: "msvc", - abi: "uwp", - llvm_target: "thumbv7a-pc-windows-msvc", - }, - ), - ( - "thumbv7em-none-eabi", - TargetInfo { - full_arch: "thumbv7em", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabi", - llvm_target: "thumbv7em-none-eabi", - }, - ), - ( - "thumbv7em-none-eabihf", - TargetInfo { - full_arch: "thumbv7em", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabihf", - llvm_target: "thumbv7em-none-eabihf", - }, - ), - ( - "thumbv7em-nuttx-eabi", - TargetInfo { - full_arch: "thumbv7em", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabi", - llvm_target: "thumbv7em-none-eabi", - }, - ), - ( - "thumbv7em-nuttx-eabihf", - TargetInfo { - full_arch: "thumbv7em", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabihf", - llvm_target: "thumbv7em-none-eabihf", - }, - ), - ( - "thumbv7m-none-eabi", - TargetInfo { - full_arch: "thumbv7m", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabi", - llvm_target: "thumbv7m-none-eabi", - }, - ), - ( - "thumbv7m-nuttx-eabi", - TargetInfo { - full_arch: "thumbv7m", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabi", - llvm_target: "thumbv7m-none-eabi", - }, - ), - ( - "thumbv7neon-linux-androideabi", - TargetInfo { - full_arch: "thumbv7neon", - arch: "arm", - vendor: "unknown", - os: "android", - env: "", - abi: "eabi", - llvm_target: "armv7-none-linux-android", - }, - ), - ( - "thumbv7neon-unknown-linux-gnueabihf", - TargetInfo { - full_arch: "thumbv7neon", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "eabihf", - llvm_target: "armv7-unknown-linux-gnueabihf", - }, - ), - ( - "thumbv7neon-unknown-linux-musleabihf", - TargetInfo { - full_arch: "thumbv7neon", - arch: "arm", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "eabihf", - llvm_target: "armv7-unknown-linux-musleabihf", - }, - ), - ( - "thumbv8m.base-none-eabi", - TargetInfo { - full_arch: "thumbv8m.base", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabi", - llvm_target: "thumbv8m.base-none-eabi", - }, - ), - ( - "thumbv8m.base-nuttx-eabi", - TargetInfo { - full_arch: "thumbv8m.base", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabi", - llvm_target: "thumbv8m.base-none-eabi", - }, - ), - ( - "thumbv8m.main-none-eabi", - TargetInfo { - full_arch: "thumbv8m.main", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabi", - llvm_target: "thumbv8m.main-none-eabi", - }, - ), - ( - "thumbv8m.main-none-eabihf", - TargetInfo { - full_arch: "thumbv8m.main", - arch: "arm", - vendor: "unknown", - os: "none", - env: "", - abi: "eabihf", - llvm_target: "thumbv8m.main-none-eabihf", - }, - ), - ( - "thumbv8m.main-nuttx-eabi", - TargetInfo { - full_arch: "thumbv8m.main", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabi", - llvm_target: "thumbv8m.main-none-eabi", - }, - ), - ( - "thumbv8m.main-nuttx-eabihf", - TargetInfo { - full_arch: "thumbv8m.main", - arch: "arm", - vendor: "unknown", - os: "nuttx", - env: "", - abi: "eabihf", - llvm_target: "thumbv8m.main-none-eabihf", - }, - ), - ( - "wasm32-unknown-emscripten", - TargetInfo { - full_arch: "wasm32", - arch: "wasm32", - vendor: "unknown", - os: "emscripten", - env: "", - abi: "", - llvm_target: "wasm32-unknown-emscripten", - }, - ), - ( - "wasm32-unknown-unknown", - TargetInfo { - full_arch: "wasm32", - arch: "wasm32", - vendor: "unknown", - os: "unknown", - env: "", - abi: "", - llvm_target: "wasm32-unknown-unknown", - }, - ), - ( - "wasm32-wasi", - TargetInfo { - full_arch: "wasm32", - arch: "wasm32", - vendor: "unknown", - os: "wasi", - env: "", - abi: "", - llvm_target: "wasm32-wasi", - }, - ), - ( - "wasm32-wasip1", - TargetInfo { - full_arch: "wasm32", - arch: "wasm32", - vendor: "unknown", - os: "wasi", - env: "p1", - abi: "", - llvm_target: "wasm32-wasip1", - }, - ), - ( - "wasm32-wasip1-threads", - TargetInfo { - full_arch: "wasm32", - arch: "wasm32", - vendor: "unknown", - os: "wasi", - env: "p1", - abi: "", - llvm_target: "wasm32-wasi", - }, - ), - ( - "wasm32-wasip2", - TargetInfo { - full_arch: "wasm32", - arch: "wasm32", - vendor: "unknown", - os: "wasi", - env: "p2", - abi: "", - llvm_target: "wasm32-wasip2", - }, - ), - ( - "wasm32v1-none", - TargetInfo { - full_arch: "wasm32v1", - arch: "wasm32", - vendor: "unknown", - os: "none", - env: "", - abi: "", - llvm_target: "wasm32-unknown-unknown", - }, - ), - ( - "wasm64-unknown-unknown", - TargetInfo { - full_arch: "wasm64", - arch: "wasm64", - vendor: "unknown", - os: "unknown", - env: "", - abi: "", - llvm_target: "wasm64-unknown-unknown", - }, - ), - ( - "x86_64-apple-darwin", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "apple", - os: "macos", - env: "", - abi: "", - llvm_target: "x86_64-apple-macosx", - }, - ), - ( - "x86_64-apple-ios", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "apple", - os: "ios", - env: "", - abi: "sim", - llvm_target: "x86_64-apple-ios-simulator", - }, - ), - ( - "x86_64-apple-ios-macabi", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "apple", - os: "ios", - env: "", - abi: "macabi", - llvm_target: "x86_64-apple-ios-macabi", - }, - ), - ( - "x86_64-apple-tvos", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "apple", - os: "tvos", - env: "", - abi: "sim", - llvm_target: "x86_64-apple-tvos-simulator", - }, - ), - ( - "x86_64-apple-watchos-sim", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "apple", - os: "watchos", - env: "", - abi: "sim", - llvm_target: "x86_64-apple-watchos-simulator", - }, - ), - ( - "x86_64-fortanix-unknown-sgx", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "fortanix", - os: "unknown", - env: "sgx", - abi: "fortanix", - llvm_target: "x86_64-elf", - }, - ), - ( - "x86_64-fuchsia", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "fuchsia", - env: "", - abi: "", - llvm_target: "x86_64-fuchsia", - }, - ), - ( - "x86_64-linux-android", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "android", - env: "", - abi: "", - llvm_target: "x86_64-linux-android", - }, - ), - ( - "x86_64-pc-cygwin", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "pc", - os: "cygwin", - env: "", - abi: "", - llvm_target: "x86_64-pc-cygwin", - }, - ), - ( - "x86_64-pc-nto-qnx710", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "pc", - os: "nto", - env: "nto71", - abi: "", - llvm_target: "x86_64-pc-unknown", - }, - ), - ( - "x86_64-pc-nto-qnx710_iosock", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "pc", - os: "nto", - env: "nto71_iosock", - abi: "", - llvm_target: "x86_64-pc-unknown", - }, - ), - ( - "x86_64-pc-nto-qnx800", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "pc", - os: "nto", - env: "nto80", - abi: "", - llvm_target: "x86_64-pc-unknown", - }, - ), - ( - "x86_64-pc-solaris", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "pc", - os: "solaris", - env: "", - abi: "", - llvm_target: "x86_64-pc-solaris", - }, - ), - ( - "x86_64-pc-windows-gnu", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "pc", - os: "windows", - env: "gnu", - abi: "", - llvm_target: "x86_64-pc-windows-gnu", - }, - ), - ( - "x86_64-pc-windows-gnullvm", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "pc", - os: "windows", - env: "gnu", - abi: "llvm", - llvm_target: "x86_64-pc-windows-gnu", - }, - ), - ( - "x86_64-pc-windows-msvc", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "pc", - os: "windows", - env: "msvc", - abi: "", - llvm_target: "x86_64-pc-windows-msvc", - }, - ), - ( - "x86_64-sun-solaris", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "sun", - os: "solaris", - env: "", - abi: "", - llvm_target: "x86_64-pc-solaris", - }, - ), - ( - "x86_64-unikraft-linux-musl", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unikraft", - os: "linux", - env: "musl", - abi: "", - llvm_target: "x86_64-unknown-linux-musl", - }, - ), - ( - "x86_64-unknown-dragonfly", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "dragonfly", - env: "", - abi: "", - llvm_target: "x86_64-unknown-dragonfly", - }, - ), - ( - "x86_64-unknown-freebsd", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "freebsd", - env: "", - abi: "", - llvm_target: "x86_64-unknown-freebsd", - }, - ), - ( - "x86_64-unknown-fuchsia", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "fuchsia", - env: "", - abi: "", - llvm_target: "x86_64-unknown-fuchsia", - }, - ), - ( - "x86_64-unknown-haiku", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "haiku", - env: "", - abi: "", - llvm_target: "x86_64-unknown-haiku", - }, - ), - ( - "x86_64-unknown-hermit", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "hermit", - env: "", - abi: "", - llvm_target: "x86_64-unknown-hermit", - }, - ), - ( - "x86_64-unknown-hurd-gnu", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "hurd", - env: "gnu", - abi: "", - llvm_target: "x86_64-unknown-hurd-gnu", - }, - ), - ( - "x86_64-unknown-illumos", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "illumos", - env: "", - abi: "", - llvm_target: "x86_64-pc-solaris", - }, - ), - ( - "x86_64-unknown-l4re-uclibc", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "l4re", - env: "uclibc", - abi: "", - llvm_target: "x86_64-unknown-l4re-uclibc", - }, - ), - ( - "x86_64-unknown-linux-gnu", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "", - llvm_target: "x86_64-unknown-linux-gnu", - }, - ), - ( - "x86_64-unknown-linux-gnux32", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "linux", - env: "gnu", - abi: "x32", - llvm_target: "x86_64-unknown-linux-gnux32", - }, - ), - ( - "x86_64-unknown-linux-musl", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "linux", - env: "musl", - abi: "", - llvm_target: "x86_64-unknown-linux-musl", - }, - ), - ( - "x86_64-unknown-linux-none", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "linux", - env: "", - abi: "", - llvm_target: "x86_64-unknown-linux-none", - }, - ), - ( - "x86_64-unknown-linux-ohos", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "linux", - env: "ohos", - abi: "", - llvm_target: "x86_64-unknown-linux-ohos", - }, - ), - ( - "x86_64-unknown-netbsd", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "netbsd", - env: "", - abi: "", - llvm_target: "x86_64-unknown-netbsd", - }, - ), - ( - "x86_64-unknown-none", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "none", - env: "", - abi: "", - llvm_target: "x86_64-unknown-none-elf", - }, - ), - ( - "x86_64-unknown-none-linuxkernel", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "none", - env: "gnu", - abi: "", - llvm_target: "x86_64-unknown-none-elf", - }, - ), - ( - "x86_64-unknown-openbsd", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "openbsd", - env: "", - abi: "", - llvm_target: "x86_64-unknown-openbsd", - }, - ), - ( - "x86_64-unknown-redox", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "redox", - env: "relibc", - abi: "", - llvm_target: "x86_64-unknown-redox", - }, - ), - ( - "x86_64-unknown-trusty", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "trusty", - env: "", - abi: "", - llvm_target: "x86_64-unknown-unknown-musl", - }, - ), - ( - "x86_64-unknown-uefi", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "unknown", - os: "uefi", - env: "", - abi: "", - llvm_target: "x86_64-unknown-windows-gnu", - }, - ), - ( - "x86_64-uwp-windows-gnu", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "uwp", - os: "windows", - env: "gnu", - abi: "uwp", - llvm_target: "x86_64-pc-windows-gnu", - }, - ), - ( - "x86_64-uwp-windows-msvc", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "uwp", - os: "windows", - env: "msvc", - abi: "uwp", - llvm_target: "x86_64-pc-windows-msvc", - }, - ), - ( - "x86_64-win7-windows-gnu", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "win7", - os: "windows", - env: "gnu", - abi: "", - llvm_target: "x86_64-pc-windows-gnu", - }, - ), - ( - "x86_64-win7-windows-msvc", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "win7", - os: "windows", - env: "msvc", - abi: "", - llvm_target: "x86_64-pc-windows-msvc", - }, - ), - ( - "x86_64-wrs-vxworks", - TargetInfo { - full_arch: "x86_64", - arch: "x86_64", - vendor: "wrs", - os: "vxworks", - env: "gnu", - abi: "", - llvm_target: "x86_64-unknown-linux-gnu", - }, - ), - ( - "x86_64h-apple-darwin", - TargetInfo { - full_arch: "x86_64h", - arch: "x86_64", - vendor: "apple", - os: "macos", - env: "", - abi: "", - llvm_target: "x86_64h-apple-macosx", - }, - ), - ( - "xtensa-esp32-espidf", - TargetInfo { - full_arch: "xtensa", - arch: "xtensa", - vendor: "espressif", - os: "espidf", - env: "newlib", - abi: "", - llvm_target: "xtensa-none-elf", - }, - ), - ( - "xtensa-esp32-none-elf", - TargetInfo { - full_arch: "xtensa", - arch: "xtensa", - vendor: "espressif", - os: "none", - env: "", - abi: "", - llvm_target: "xtensa-none-elf", - }, - ), - ( - "xtensa-esp32s2-espidf", - TargetInfo { - full_arch: "xtensa", - arch: "xtensa", - vendor: "espressif", - os: "espidf", - env: "newlib", - abi: "", - llvm_target: "xtensa-none-elf", - }, - ), - ( - "xtensa-esp32s2-none-elf", - TargetInfo { - full_arch: "xtensa", - arch: "xtensa", - vendor: "espressif", - os: "none", - env: "", - abi: "", - llvm_target: "xtensa-none-elf", - }, - ), - ( - "xtensa-esp32s3-espidf", - TargetInfo { - full_arch: "xtensa", - arch: "xtensa", - vendor: "espressif", - os: "espidf", - env: "newlib", - abi: "", - llvm_target: "xtensa-none-elf", - }, - ), - ( - "xtensa-esp32s3-none-elf", - TargetInfo { - full_arch: "xtensa", - arch: "xtensa", - vendor: "espressif", - os: "none", - env: "", - abi: "", - llvm_target: "xtensa-none-elf", - }, - ), +#[rustfmt::skip] +pub(crate) const LLVM_TARGETS: &[(&str, &str)] = &[ + ("aarch64-apple-darwin", "arm64-apple-macosx"), + ("aarch64-apple-ios", "arm64-apple-ios"), + ("aarch64-apple-ios-macabi", "arm64-apple-ios-macabi"), + ("aarch64-apple-ios-sim", "arm64-apple-ios-simulator"), + ("aarch64-apple-tvos", "arm64-apple-tvos"), + ("aarch64-apple-tvos-sim", "arm64-apple-tvos-simulator"), + ("aarch64-apple-visionos", "arm64-apple-xros"), + ("aarch64-apple-visionos-sim", "arm64-apple-xros-simulator"), + ("aarch64-apple-watchos", "arm64-apple-watchos"), + ("aarch64-apple-watchos-sim", "arm64-apple-watchos-simulator"), + ("aarch64-fuchsia", "aarch64-fuchsia"), + ("aarch64-kmc-solid_asp3", "aarch64-unknown-none"), + ("aarch64-linux-android", "aarch64-linux-android"), + ("aarch64-nintendo-switch-freestanding", "aarch64-unknown-none"), + ("aarch64-pc-windows-gnullvm", "aarch64-pc-windows-gnu"), + ("aarch64-pc-windows-msvc", "aarch64-pc-windows-msvc"), + ("aarch64-unknown-freebsd", "aarch64-unknown-freebsd"), + ("aarch64-unknown-fuchsia", "aarch64-unknown-fuchsia"), + ("aarch64-unknown-hermit", "aarch64-unknown-hermit"), + ("aarch64-unknown-illumos", "aarch64-unknown-solaris2.11"), + ("aarch64-unknown-linux-gnu", "aarch64-unknown-linux-gnu"), + ("aarch64-unknown-linux-gnu_ilp32", "aarch64-unknown-linux-gnu_ilp32"), + ("aarch64-unknown-linux-musl", "aarch64-unknown-linux-musl"), + ("aarch64-unknown-linux-ohos", "aarch64-unknown-linux-ohos"), + ("aarch64-unknown-netbsd", "aarch64-unknown-netbsd"), + ("aarch64-unknown-none", "aarch64-unknown-none"), + ("aarch64-unknown-none-softfloat", "aarch64-unknown-none"), + ("aarch64-unknown-nto-qnx700", "aarch64-unknown-unknown"), + ("aarch64-unknown-nto-qnx710", "aarch64-unknown-unknown"), + ("aarch64-unknown-nto-qnx710_iosock", "aarch64-unknown-unknown"), + ("aarch64-unknown-nto-qnx800", "aarch64-unknown-unknown"), + ("aarch64-unknown-nuttx", "aarch64-unknown-none"), + ("aarch64-unknown-openbsd", "aarch64-unknown-openbsd"), + ("aarch64-unknown-redox", "aarch64-unknown-redox"), + ("aarch64-unknown-teeos", "aarch64-unknown-none"), + ("aarch64-unknown-trusty", "aarch64-unknown-unknown-musl"), + ("aarch64-unknown-uefi", "aarch64-unknown-windows"), + ("aarch64-uwp-windows-msvc", "aarch64-pc-windows-msvc"), + ("aarch64-wrs-vxworks", "aarch64-unknown-linux-gnu"), + ("aarch64_be-unknown-linux-gnu", "aarch64_be-unknown-linux-gnu"), + ("aarch64_be-unknown-linux-gnu_ilp32", "aarch64_be-unknown-linux-gnu_ilp32"), + ("aarch64_be-unknown-netbsd", "aarch64_be-unknown-netbsd"), + ("amdgcn-amd-amdhsa", "amdgcn-amd-amdhsa"), + ("arm-linux-androideabi", "arm-linux-androideabi"), + ("arm-unknown-linux-gnueabi", "arm-unknown-linux-gnueabi"), + ("arm-unknown-linux-gnueabihf", "arm-unknown-linux-gnueabihf"), + ("arm-unknown-linux-musleabi", "arm-unknown-linux-musleabi"), + ("arm-unknown-linux-musleabihf", "arm-unknown-linux-musleabihf"), + ("arm64_32-apple-watchos", "arm64_32-apple-watchos"), + ("arm64e-apple-darwin", "arm64e-apple-macosx"), + ("arm64e-apple-ios", "arm64e-apple-ios"), + ("arm64e-apple-tvos", "arm64e-apple-tvos"), + ("arm64ec-pc-windows-msvc", "arm64ec-pc-windows-msvc"), + ("armeb-unknown-linux-gnueabi", "armeb-unknown-linux-gnueabi"), + ("armebv7r-none-eabi", "armebv7r-none-eabi"), + ("armebv7r-none-eabihf", "armebv7r-none-eabihf"), + ("armv4t-none-eabi", "armv4t-none-eabi"), + ("armv4t-unknown-linux-gnueabi", "armv4t-unknown-linux-gnueabi"), + ("armv5te-none-eabi", "armv5te-none-eabi"), + ("armv5te-unknown-linux-gnueabi", "armv5te-unknown-linux-gnueabi"), + ("armv5te-unknown-linux-musleabi", "armv5te-unknown-linux-musleabi"), + ("armv5te-unknown-linux-uclibceabi", "armv5te-unknown-linux-uclibcgnueabi"), + ("armv6-unknown-freebsd", "armv6-unknown-freebsd-gnueabihf"), + ("armv6-unknown-netbsd-eabihf", "armv6-unknown-netbsdelf-eabihf"), + ("armv6k-nintendo-3ds", "armv6k-none-eabihf"), + ("armv7-apple-ios", "armv7-apple-ios7.0.0"), + ("armv7-linux-androideabi", "armv7-none-linux-android"), + ("armv7-rtems-eabihf", "armv7-unknown-none-eabihf"), + ("armv7-sony-vita-newlibeabihf", "thumbv7a-vita-eabihf"), + ("armv7-unknown-freebsd", "armv7-unknown-freebsd-gnueabihf"), + ("armv7-unknown-linux-gnueabi", "armv7-unknown-linux-gnueabi"), + ("armv7-unknown-linux-gnueabihf", "armv7-unknown-linux-gnueabihf"), + ("armv7-unknown-linux-musleabi", "armv7-unknown-linux-musleabi"), + ("armv7-unknown-linux-musleabihf", "armv7-unknown-linux-musleabihf"), + ("armv7-unknown-linux-ohos", "armv7-unknown-linux-ohos"), + ("armv7-unknown-linux-uclibceabi", "armv7-unknown-linux-gnueabi"), + ("armv7-unknown-linux-uclibceabihf", "armv7-unknown-linux-gnueabihf"), + ("armv7-unknown-netbsd-eabihf", "armv7-unknown-netbsdelf-eabihf"), + ("armv7-unknown-trusty", "armv7-unknown-unknown-gnueabi"), + ("armv7-wrs-vxworks-eabihf", "armv7-unknown-linux-gnueabihf"), + ("armv7a-kmc-solid_asp3-eabi", "armv7a-none-eabi"), + ("armv7a-kmc-solid_asp3-eabihf", "armv7a-none-eabihf"), + ("armv7a-none-eabi", "armv7a-none-eabi"), + ("armv7a-none-eabihf", "armv7a-none-eabihf"), + ("armv7a-nuttx-eabi", "armv7a-none-eabi"), + ("armv7a-nuttx-eabihf", "armv7a-none-eabihf"), + ("armv7k-apple-watchos", "armv7k-apple-watchos"), + ("armv7r-none-eabi", "armv7r-none-eabi"), + ("armv7r-none-eabihf", "armv7r-none-eabihf"), + ("armv7s-apple-ios", "armv7s-apple-ios"), + ("armv8r-none-eabihf", "armv8r-none-eabihf"), + ("asmjs-unknown-emscripten", "wasm32-unknown-emscripten"), + ("avr-none", "avr-unknown-unknown"), + ("avr-unknown-gnu-atmega328", "avr-unknown-unknown"), + ("bpfeb-unknown-none", "bpfeb"), + ("bpfel-unknown-none", "bpfel"), + ("csky-unknown-linux-gnuabiv2", "csky-unknown-linux-gnuabiv2"), + ("csky-unknown-linux-gnuabiv2hf", "csky-unknown-linux-gnuabiv2"), + ("hexagon-unknown-linux-musl", "hexagon-unknown-linux-musl"), + ("hexagon-unknown-none-elf", "hexagon-unknown-none-elf"), + ("i386-apple-ios", "i386-apple-ios-simulator"), + ("i586-pc-windows-msvc", "i586-pc-windows-msvc"), + ("i586-unknown-linux-gnu", "i586-unknown-linux-gnu"), + ("i586-unknown-linux-musl", "i586-unknown-linux-musl"), + ("i586-unknown-netbsd", "i586-unknown-netbsdelf"), + ("i586-unknown-redox", "i586-unknown-redox"), + ("i686-apple-darwin", "i686-apple-macosx"), + ("i686-linux-android", "i686-linux-android"), + ("i686-pc-nto-qnx700", "i586-pc-unknown"), + ("i686-pc-windows-gnu", "i686-pc-windows-gnu"), + ("i686-pc-windows-gnullvm", "i686-pc-windows-gnu"), + ("i686-pc-windows-msvc", "i686-pc-windows-msvc"), + ("i686-unknown-freebsd", "i686-unknown-freebsd"), + ("i686-unknown-haiku", "i686-unknown-haiku"), + ("i686-unknown-hurd-gnu", "i686-unknown-hurd-gnu"), + ("i686-unknown-linux-gnu", "i686-unknown-linux-gnu"), + ("i686-unknown-linux-musl", "i686-unknown-linux-musl"), + ("i686-unknown-netbsd", "i686-unknown-netbsdelf"), + ("i686-unknown-openbsd", "i686-unknown-openbsd"), + ("i686-unknown-uefi", "i686-unknown-windows-gnu"), + ("i686-uwp-windows-gnu", "i686-pc-windows-gnu"), + ("i686-uwp-windows-msvc", "i686-pc-windows-msvc"), + ("i686-win7-windows-gnu", "i686-pc-windows-gnu"), + ("i686-win7-windows-msvc", "i686-pc-windows-msvc"), + ("i686-wrs-vxworks", "i686-unknown-linux-gnu"), + ("loongarch64-unknown-linux-gnu", "loongarch64-unknown-linux-gnu"), + ("loongarch64-unknown-linux-musl", "loongarch64-unknown-linux-musl"), + ("loongarch64-unknown-linux-ohos", "loongarch64-unknown-linux-ohos"), + ("loongarch64-unknown-none", "loongarch64-unknown-none"), + ("loongarch64-unknown-none-softfloat", "loongarch64-unknown-none"), + ("m68k-unknown-linux-gnu", "m68k-unknown-linux-gnu"), + ("m68k-unknown-none-elf", "m68k"), + ("mips-mti-none-elf", "mips"), + ("mips-unknown-linux-gnu", "mips-unknown-linux-gnu"), + ("mips-unknown-linux-musl", "mips-unknown-linux-musl"), + ("mips-unknown-linux-uclibc", "mips-unknown-linux-uclibc"), + ("mips64-openwrt-linux-musl", "mips64-unknown-linux-musl"), + ("mips64-unknown-linux-gnuabi64", "mips64-unknown-linux-gnuabi64"), + ("mips64-unknown-linux-muslabi64", "mips64-unknown-linux-musl"), + ("mips64el-unknown-linux-gnuabi64", "mips64el-unknown-linux-gnuabi64"), + ("mips64el-unknown-linux-muslabi64", "mips64el-unknown-linux-musl"), + ("mipsel-mti-none-elf", "mipsel"), + ("mipsel-sony-psp", "mipsel-sony-psp"), + ("mipsel-sony-psx", "mipsel-sony-psx"), + ("mipsel-unknown-linux-gnu", "mipsel-unknown-linux-gnu"), + ("mipsel-unknown-linux-musl", "mipsel-unknown-linux-musl"), + ("mipsel-unknown-linux-uclibc", "mipsel-unknown-linux-uclibc"), + ("mipsel-unknown-netbsd", "mipsel-unknown-netbsd"), + ("mipsel-unknown-none", "mipsel-unknown-none"), + ("mipsisa32r6-unknown-linux-gnu", "mipsisa32r6-unknown-linux-gnu"), + ("mipsisa32r6el-unknown-linux-gnu", "mipsisa32r6el-unknown-linux-gnu"), + ("mipsisa64r6-unknown-linux-gnuabi64", "mipsisa64r6-unknown-linux-gnuabi64"), + ("mipsisa64r6el-unknown-linux-gnuabi64", "mipsisa64r6el-unknown-linux-gnuabi64"), + ("msp430-none-elf", "msp430-none-elf"), + ("nvptx64-nvidia-cuda", "nvptx64-nvidia-cuda"), + ("powerpc-unknown-freebsd", "powerpc-unknown-freebsd13.0"), + ("powerpc-unknown-linux-gnu", "powerpc-unknown-linux-gnu"), + ("powerpc-unknown-linux-gnuspe", "powerpc-unknown-linux-gnuspe"), + ("powerpc-unknown-linux-musl", "powerpc-unknown-linux-musl"), + ("powerpc-unknown-linux-muslspe", "powerpc-unknown-linux-muslspe"), + ("powerpc-unknown-netbsd", "powerpc-unknown-netbsd"), + ("powerpc-unknown-openbsd", "powerpc-unknown-openbsd"), + ("powerpc-wrs-vxworks", "powerpc-unknown-linux-gnu"), + ("powerpc-wrs-vxworks-spe", "powerpc-unknown-linux-gnuspe"), + ("powerpc64-ibm-aix", "powerpc64-ibm-aix"), + ("powerpc64-unknown-freebsd", "powerpc64-unknown-freebsd"), + ("powerpc64-unknown-linux-gnu", "powerpc64-unknown-linux-gnu"), + ("powerpc64-unknown-linux-musl", "powerpc64-unknown-linux-musl"), + ("powerpc64-unknown-openbsd", "powerpc64-unknown-openbsd"), + ("powerpc64-wrs-vxworks", "powerpc64-unknown-linux-gnu"), + ("powerpc64le-unknown-freebsd", "powerpc64le-unknown-freebsd"), + ("powerpc64le-unknown-linux-gnu", "powerpc64le-unknown-linux-gnu"), + ("powerpc64le-unknown-linux-musl", "powerpc64le-unknown-linux-musl"), + ("riscv32-wrs-vxworks", "riscv32"), + ("riscv32e-unknown-none-elf", "riscv32"), + ("riscv32em-unknown-none-elf", "riscv32"), + ("riscv32emc-unknown-none-elf", "riscv32"), + ("riscv32gc-unknown-linux-gnu", "riscv32-unknown-linux-gnu"), + ("riscv32gc-unknown-linux-musl", "riscv32-unknown-linux-musl"), + ("riscv32i-unknown-none-elf", "riscv32"), + ("riscv32im-risc0-zkvm-elf", "riscv32"), + ("riscv32im-unknown-none-elf", "riscv32"), + ("riscv32ima-unknown-none-elf", "riscv32"), + ("riscv32imac-esp-espidf", "riscv32"), + ("riscv32imac-unknown-none-elf", "riscv32"), + ("riscv32imac-unknown-nuttx-elf", "riscv32"), + ("riscv32imac-unknown-xous-elf", "riscv32"), + ("riscv32imafc-esp-espidf", "riscv32"), + ("riscv32imafc-unknown-none-elf", "riscv32"), + ("riscv32imafc-unknown-nuttx-elf", "riscv32"), + ("riscv32imc-esp-espidf", "riscv32"), + ("riscv32imc-unknown-none-elf", "riscv32"), + ("riscv32imc-unknown-nuttx-elf", "riscv32"), + ("riscv64-linux-android", "riscv64-linux-android"), + ("riscv64-wrs-vxworks", "riscv64"), + ("riscv64gc-unknown-freebsd", "riscv64-unknown-freebsd"), + ("riscv64gc-unknown-fuchsia", "riscv64-unknown-fuchsia"), + ("riscv64gc-unknown-hermit", "riscv64-unknown-hermit"), + ("riscv64gc-unknown-linux-gnu", "riscv64-unknown-linux-gnu"), + ("riscv64gc-unknown-linux-musl", "riscv64-unknown-linux-musl"), + ("riscv64gc-unknown-netbsd", "riscv64-unknown-netbsd"), + ("riscv64gc-unknown-none-elf", "riscv64"), + ("riscv64gc-unknown-nuttx-elf", "riscv64"), + ("riscv64gc-unknown-openbsd", "riscv64-unknown-openbsd"), + ("riscv64imac-unknown-none-elf", "riscv64"), + ("riscv64imac-unknown-nuttx-elf", "riscv64"), + ("s390x-unknown-linux-gnu", "s390x-unknown-linux-gnu"), + ("s390x-unknown-linux-musl", "s390x-unknown-linux-musl"), + ("sparc-unknown-linux-gnu", "sparc-unknown-linux-gnu"), + ("sparc-unknown-none-elf", "sparc-unknown-none-elf"), + ("sparc64-unknown-linux-gnu", "sparc64-unknown-linux-gnu"), + ("sparc64-unknown-netbsd", "sparc64-unknown-netbsd"), + ("sparc64-unknown-openbsd", "sparc64-unknown-openbsd"), + ("sparcv9-sun-solaris", "sparcv9-sun-solaris"), + ("thumbv4t-none-eabi", "thumbv4t-none-eabi"), + ("thumbv5te-none-eabi", "thumbv5te-none-eabi"), + ("thumbv6m-none-eabi", "thumbv6m-none-eabi"), + ("thumbv6m-nuttx-eabi", "thumbv6m-none-eabi"), + ("thumbv7a-nuttx-eabi", "thumbv7a-none-eabi"), + ("thumbv7a-nuttx-eabihf", "thumbv7a-none-eabihf"), + ("thumbv7a-pc-windows-msvc", "thumbv7a-pc-windows-msvc"), + ("thumbv7a-uwp-windows-msvc", "thumbv7a-pc-windows-msvc"), + ("thumbv7em-none-eabi", "thumbv7em-none-eabi"), + ("thumbv7em-none-eabihf", "thumbv7em-none-eabihf"), + ("thumbv7em-nuttx-eabi", "thumbv7em-none-eabi"), + ("thumbv7em-nuttx-eabihf", "thumbv7em-none-eabihf"), + ("thumbv7m-none-eabi", "thumbv7m-none-eabi"), + ("thumbv7m-nuttx-eabi", "thumbv7m-none-eabi"), + ("thumbv7neon-linux-androideabi", "armv7-none-linux-android"), + ("thumbv7neon-unknown-linux-gnueabihf", "armv7-unknown-linux-gnueabihf"), + ("thumbv7neon-unknown-linux-musleabihf", "armv7-unknown-linux-musleabihf"), + ("thumbv8m.base-none-eabi", "thumbv8m.base-none-eabi"), + ("thumbv8m.base-nuttx-eabi", "thumbv8m.base-none-eabi"), + ("thumbv8m.main-none-eabi", "thumbv8m.main-none-eabi"), + ("thumbv8m.main-none-eabihf", "thumbv8m.main-none-eabihf"), + ("thumbv8m.main-nuttx-eabi", "thumbv8m.main-none-eabi"), + ("thumbv8m.main-nuttx-eabihf", "thumbv8m.main-none-eabihf"), + ("wasm32-unknown-emscripten", "wasm32-unknown-emscripten"), + ("wasm32-unknown-unknown", "wasm32-unknown-unknown"), + ("wasm32-wasi", "wasm32-wasi"), + ("wasm32-wasip1", "wasm32-wasip1"), + ("wasm32-wasip1-threads", "wasm32-wasi"), + ("wasm32-wasip2", "wasm32-wasip2"), + ("wasm32v1-none", "wasm32-unknown-unknown"), + ("wasm64-unknown-unknown", "wasm64-unknown-unknown"), + ("x86_64-apple-darwin", "x86_64-apple-macosx"), + ("x86_64-apple-ios", "x86_64-apple-ios-simulator"), + ("x86_64-apple-ios-macabi", "x86_64-apple-ios-macabi"), + ("x86_64-apple-tvos", "x86_64-apple-tvos-simulator"), + ("x86_64-apple-watchos-sim", "x86_64-apple-watchos-simulator"), + ("x86_64-fortanix-unknown-sgx", "x86_64-elf"), + ("x86_64-fuchsia", "x86_64-fuchsia"), + ("x86_64-linux-android", "x86_64-linux-android"), + ("x86_64-pc-cygwin", "x86_64-pc-cygwin"), + ("x86_64-pc-nto-qnx710", "x86_64-pc-unknown"), + ("x86_64-pc-nto-qnx710_iosock", "x86_64-pc-unknown"), + ("x86_64-pc-nto-qnx800", "x86_64-pc-unknown"), + ("x86_64-pc-solaris", "x86_64-pc-solaris"), + ("x86_64-pc-windows-gnu", "x86_64-pc-windows-gnu"), + ("x86_64-pc-windows-gnullvm", "x86_64-pc-windows-gnu"), + ("x86_64-pc-windows-msvc", "x86_64-pc-windows-msvc"), + ("x86_64-sun-solaris", "x86_64-pc-solaris"), + ("x86_64-unikraft-linux-musl", "x86_64-unknown-linux-musl"), + ("x86_64-unknown-dragonfly", "x86_64-unknown-dragonfly"), + ("x86_64-unknown-freebsd", "x86_64-unknown-freebsd"), + ("x86_64-unknown-fuchsia", "x86_64-unknown-fuchsia"), + ("x86_64-unknown-haiku", "x86_64-unknown-haiku"), + ("x86_64-unknown-hermit", "x86_64-unknown-hermit"), + ("x86_64-unknown-hurd-gnu", "x86_64-unknown-hurd-gnu"), + ("x86_64-unknown-illumos", "x86_64-pc-solaris"), + ("x86_64-unknown-l4re-uclibc", "x86_64-unknown-l4re-uclibc"), + ("x86_64-unknown-linux-gnu", "x86_64-unknown-linux-gnu"), + ("x86_64-unknown-linux-gnux32", "x86_64-unknown-linux-gnux32"), + ("x86_64-unknown-linux-musl", "x86_64-unknown-linux-musl"), + ("x86_64-unknown-linux-none", "x86_64-unknown-linux-none"), + ("x86_64-unknown-linux-ohos", "x86_64-unknown-linux-ohos"), + ("x86_64-unknown-netbsd", "x86_64-unknown-netbsd"), + ("x86_64-unknown-none", "x86_64-unknown-none-elf"), + ("x86_64-unknown-none-linuxkernel", "x86_64-unknown-none-elf"), + ("x86_64-unknown-openbsd", "x86_64-unknown-openbsd"), + ("x86_64-unknown-redox", "x86_64-unknown-redox"), + ("x86_64-unknown-trusty", "x86_64-unknown-unknown-musl"), + ("x86_64-unknown-uefi", "x86_64-unknown-windows"), + ("x86_64-uwp-windows-gnu", "x86_64-pc-windows-gnu"), + ("x86_64-uwp-windows-msvc", "x86_64-pc-windows-msvc"), + ("x86_64-win7-windows-gnu", "x86_64-pc-windows-gnu"), + ("x86_64-win7-windows-msvc", "x86_64-pc-windows-msvc"), + ("x86_64-wrs-vxworks", "x86_64-unknown-linux-gnu"), + ("x86_64h-apple-darwin", "x86_64h-apple-macosx"), + ("xtensa-esp32-espidf", "xtensa-none-elf"), + ("xtensa-esp32-none-elf", "xtensa-none-elf"), + ("xtensa-esp32s2-espidf", "xtensa-none-elf"), + ("xtensa-esp32s2-none-elf", "xtensa-none-elf"), + ("xtensa-esp32s3-espidf", "xtensa-none-elf"), + ("xtensa-esp32s3-none-elf", "xtensa-none-elf"), ]; diff --git a/src/target/llvm.rs b/src/target/llvm.rs index a8ae362c..124ab2a0 100644 --- a/src/target/llvm.rs +++ b/src/target/llvm.rs @@ -1,84 +1,315 @@ -use super::TargetInfo; +use std::borrow::Cow; + +use super::{generated, TargetInfo}; impl TargetInfo<'_> { - /// The versioned LLVM/Clang target triple. - pub(crate) fn versioned_llvm_target(&self, version: &str) -> String { - // Only support versioned Apple targets for now. - assert_eq!(self.vendor, "apple"); - - let mut components = self.llvm_target.split("-"); - let arch = components.next().expect("llvm_target should have arch"); - let vendor = components.next().expect("llvm_target should have vendor"); - let os = components.next().expect("LLVM target should have os"); - let environment = components.next(); - assert_eq!(components.next(), None, "too many LLVM target components"); - - if let Some(env) = environment { - format!("{arch}-{vendor}-{os}{version}-{env}") - } else { - format!("{arch}-{vendor}-{os}{version}") + /// The LLVM/Clang target triple. + /// + /// See . + /// + /// Rust and Clang don't really agree on target naming, so we first try to + /// find the matching trible based on `rustc`'s output, but if no such + /// triple exists, we attempt to construct the triple from scratch. + /// + /// NOTE: You should never need to match on this explicitly, use the + /// fields on [`TargetInfo`] instead. + pub(crate) fn llvm_target( + &self, + rustc_target: &str, + version: Option<&str>, + ) -> Cow<'static, str> { + if rustc_target == "armv7-apple-ios" { + // FIXME(madsmtm): Unnecessary once we bump MSRV to Rust 1.74 + return Cow::Borrowed("armv7-apple-ios"); + } else if self.os == "uefi" { + // Override the UEFI LLVM targets. + // + // The rustc mappings (as of 1.82) for the UEFI targets are: + // * i686-unknown-uefi -> i686-unknown-windows-gnu + // * x86_64-unknown-uefi -> x86_64-unknown-windows + // * aarch64-unknown-uefi -> aarch64-unknown-windows + // + // However, in cc-rs all the UEFI targets use + // -windows-gnu. This has been the case since 2021 [1]. + // * i686-unknown-uefi -> i686-unknown-windows-gnu + // * x86_64-unknown-uefi -> x86_64-unknown-windows-gnu + // * aarch64-unknown-uefi -> aarch64-unknown-windows-gnu + // + // For now, override the UEFI mapping to keep the behavior + // of cc-rs unchanged. + // + // TODO: as discussed in [2], it may be possible to switch + // to new UEFI targets added to clang, and regardless it + // would be good to have consistency between rustc and + // cc-rs. + // + // [1]: https://github.com/rust-lang/cc-rs/pull/623 + // [2]: https://github.com/rust-lang/cc-rs/pull/1264 + return Cow::Owned(format!("{}-unknown-windows-gnu", self.full_arch)); + } + + // If no version is requested, let's take the triple directly from + // `rustc` (the logic below is not yet good enough for most targets). + // + // FIXME(madsmtm): This should ideally be removed. + if version.is_none() { + if let Ok(index) = generated::LLVM_TARGETS + .binary_search_by_key(&rustc_target, |(rustc_target, _)| rustc_target) + { + let (_, llvm_target) = &generated::LLVM_TARGETS[index]; + return Cow::Borrowed(llvm_target); + } } - } -} -/// Rust and Clang don't really agree on naming, so do a best-effort -/// conversion to support out-of-tree / custom target-spec targets. -pub(crate) fn guess_llvm_target_triple( - full_arch: &str, - vendor: &str, - os: &str, - env: &str, - abi: &str, -) -> String { - let arch = match full_arch { - riscv32 if riscv32.starts_with("riscv32") => "riscv32", - riscv64 if riscv64.starts_with("riscv64") => "riscv64", - arch => arch, - }; - let os = match os { - "darwin" => "macosx", - "visionos" => "xros", - "uefi" => "windows", - os => os, - }; - let env = match env { - "newlib" | "nto70" | "nto71" | "nto71_iosock" | "ohos" | "p1" | "p2" | "relibc" | "sgx" - | "uclibc" => "", - env => env, - }; - let abi = match abi { - "sim" => "simulator", - "llvm" | "softfloat" | "uwp" | "vec-extabi" => "", - "ilp32" => "_ilp32", - abi => abi, - }; - match (env, abi) { - ("", "") => format!("{arch}-{vendor}-{os}"), - (env, abi) => format!("{arch}-{vendor}-{os}-{env}{abi}"), + // Otherwise, attempt to construct the triple from the target info. + + let arch = match self.full_arch { + riscv32 if riscv32.starts_with("riscv32") => "riscv32", + riscv64 if riscv64.starts_with("riscv64") => "riscv64", + "aarch64" if self.vendor == "apple" => "arm64", + "armv7" if self.vendor == "sony" => "thumbv7a", // FIXME + arch => arch, + }; + let vendor = match self.vendor { + "kmc" | "nintendo" => "unknown", + "unknown" if self.os == "android" => "linux", + "uwp" => "pc", + "espressif" => "", + _ if self.arch == "msp430" => "", + vendor => vendor, + }; + let os = match self.os { + "macos" => "macosx", + "visionos" => "xros", + "uefi" => "windows", + "solid_asp3" | "horizon" | "teeos" | "nuttx" | "espidf" => "none", + "nto" => "unknown", // FIXME + "trusty" => "unknown", // FIXME + os => os, + }; + let version = version.unwrap_or(""); + let env = match self.env { + "newlib" | "nto70" | "nto71" | "nto71_iosock" | "p1" | "p2" | "relibc" | "sgx" + | "uclibc" => "", + env => env, + }; + let abi = match self.abi { + "sim" => "simulator", + "llvm" | "softfloat" | "uwp" | "vec-extabi" => "", + "ilp32" => "_ilp32", + "abi64" => "", + abi => abi, + }; + Cow::Owned(match (vendor, env, abi) { + ("", "", "") => format!("{arch}-{os}{version}"), + ("", env, abi) => format!("{arch}-{os}{version}-{env}{abi}"), + (vendor, "", "") => format!("{arch}-{vendor}-{os}{version}"), + (vendor, env, abi) => format!("{arch}-{vendor}-{os}{version}-{env}{abi}"), + }) } } #[cfg(test)] mod tests { - use super::*; + use std::process::Command; + + use crate::TargetInfo; + + #[test] + fn test_old_ios_target() { + assert_eq!( + TargetInfo { + full_arch: "armv7", + arch: "armv7", + vendor: "apple", + os: "ios", + env: "", + abi: "", + } + .llvm_target("armv7-apple-ios", None), + "armv7-apple-ios" + ); + } #[test] - fn test_basic_llvm_triple_guessing() { + fn basic_llvm_triple_guessing() { assert_eq!( - guess_llvm_target_triple("aarch64", "unknown", "linux", "", ""), + TargetInfo { + full_arch: "aarch64", + arch: "aarch64", + vendor: "unknown", + os: "linux", + env: "", + abi: "", + } + .llvm_target("invalid", None), "aarch64-unknown-linux" ); assert_eq!( - guess_llvm_target_triple("x86_64", "unknown", "linux", "gnu", ""), + TargetInfo { + full_arch: "x86_64", + arch: "x86_64", + vendor: "unknown", + os: "linux", + env: "gnu", + abi: "", + } + .llvm_target("invalid", None), "x86_64-unknown-linux-gnu" ); assert_eq!( - guess_llvm_target_triple("x86_64", "unknown", "linux", "gnu", "eabi"), + TargetInfo { + full_arch: "x86_64", + arch: "x86_64", + vendor: "unknown", + os: "linux", + env: "gnu", + abi: "eabi", + } + .llvm_target("invalid", None), "x86_64-unknown-linux-gnueabi" ); assert_eq!( - guess_llvm_target_triple("x86_64", "apple", "darwin", "", ""), + TargetInfo { + full_arch: "x86_64", + arch: "x86_64", + vendor: "apple", + os: "macos", + env: "", + abi: "", + } + .llvm_target("invalid", None), "x86_64-apple-macosx" ); } + + #[test] + fn llvm_version() { + assert_eq!( + TargetInfo { + full_arch: "aarch64", + arch: "aarch64", + vendor: "apple", + os: "ios", + env: "", + abi: "sim", + } + .llvm_target("aarch64-apple-ios-sim", Some("14.0")), + "arm64-apple-ios14.0-simulator" + ); + assert_eq!( + TargetInfo { + full_arch: "aarch64", + arch: "aarch64", + vendor: "apple", + os: "visionos", + env: "", + abi: "", + } + .llvm_target("aarch64-apple-visionos", Some("2.0")), + "arm64-apple-xros2.0" + ); + assert_eq!( + TargetInfo { + full_arch: "aarch64", + arch: "aarch64", + vendor: "apple", + os: "ios", + env: "", + abi: "macabi", + } + .llvm_target("aarch64-apple-ios-macabi", Some("13.1")), + "arm64-apple-ios13.1-macabi" + ); + } + + #[test] + fn uefi() { + assert_eq!( + TargetInfo { + full_arch: "i686", + arch: "x86", + vendor: "unknown", + os: "uefi", + env: "", + abi: "", + } + .llvm_target("i686-unknown-uefi", None), + "i686-unknown-windows-gnu" + ); + assert_eq!( + TargetInfo { + full_arch: "x86_64", + arch: "x86_64", + vendor: "unknown", + os: "uefi", + env: "", + abi: "", + } + .llvm_target("x86_64-unknown-uefi", None), + "x86_64-unknown-windows-gnu" + ); + assert_eq!( + TargetInfo { + full_arch: "aarch64", + arch: "aarch64", + vendor: "unknown", + os: "uefi", + env: "", + abi: "", + } + .llvm_target("aarch64-unknown-uefi", None), + "aarch64-unknown-windows-gnu" + ); + } + + #[test] + #[ignore = "not yet done"] + fn llvm_for_all_rustc_targets() { + let rustc = std::env::var("RUSTC").unwrap_or_else(|_| "rustc".to_string()); + + let target_list = Command::new(&rustc) + .arg("--print=target-list") + .output() + .unwrap() + .stdout; + let target_list = String::from_utf8(target_list).unwrap(); + + let mut has_failure = false; + for target in target_list.lines() { + let spec_json = Command::new(&rustc) + .arg("--target") + .arg(target) + .arg("-Zunstable-options") + .arg("--print=target-spec-json") + .env("RUSTC_BOOTSTRAP", "1") // Crimes + .output() + .unwrap() + .stdout; + let spec_json = String::from_utf8(spec_json).unwrap(); + + // JSON crimes + let expected = spec_json + .split_once("llvm-target\": \"") + .unwrap() + .1 + .split_once("\"") + .unwrap() + .0; + let actual = TargetInfo::from_rustc_target(target) + .map(|target| target.llvm_target("invalid", None)); + + if Some(expected) != actual.as_deref().ok() { + eprintln!("failed comparing {target}:"); + eprintln!(" expected: Ok({expected:?})"); + eprintln!(" actual: {actual:?}"); + eprintln!(); + has_failure = true; + } + } + + if has_failure { + panic!("failed comparing targets"); + } + } } diff --git a/src/target/parser.rs b/src/target/parser.rs index eb886698..ca356be8 100644 --- a/src/target/parser.rs +++ b/src/target/parser.rs @@ -1,10 +1,6 @@ -use std::{env, str::FromStr}; +use std::env; -use crate::{ - target::{llvm, TargetInfo}, - utilities::OnceLock, - Error, ErrorKind, -}; +use crate::{target::TargetInfo, utilities::OnceLock, Error, ErrorKind}; #[derive(Debug)] struct TargetInfoParserInner { @@ -14,7 +10,6 @@ struct TargetInfoParserInner { os: Box, env: Box, abi: Box, - llvm_target: Box, } impl TargetInfoParserInner { @@ -24,17 +19,17 @@ impl TargetInfoParserInner { // No need to emit `rerun-if-env-changed` for this, // as it is controlled by Cargo itself. #[allow(clippy::disallowed_methods)] - let target_triple = env::var("TARGET").map_err(|err| { + let target_name = env::var("TARGET").map_err(|err| { Error::new( ErrorKind::EnvVarNotFound, format!("failed reading TARGET: {err}"), ) })?; - // Parse the full architecture name from the target triple. - let (full_arch, _rest) = target_triple.split_once('-').ok_or(Error::new( + // Parse the full architecture name from the target name. + let (full_arch, _rest) = target_name.split_once('-').ok_or(Error::new( ErrorKind::InvalidTarget, - format!("target `{target_triple}` had an unknown architecture"), + format!("target `{target_name}` only had a single component (at least two required)"), ))?; let cargo_env = |name, fallback: Option<&str>| -> Result, Error> { @@ -47,7 +42,7 @@ impl TargetInfoParserInner { Some(fallback) => Ok(fallback.into()), None => Err(Error::new( ErrorKind::EnvVarNotFound, - format!("did not find fallback information for target `{target_triple}`, and failed reading {name}: {err}"), + format!("did not find fallback information for target `{target_name}`, and failed reading {name}: {err}"), )), }, } @@ -64,10 +59,10 @@ impl TargetInfoParserInner { // // These may not be set in case the user depended on being able to // just set `TARGET` outside of build scripts; in those cases, fall - // back back to data from the known set of target triples instead. + // back back to data from the known set of target names instead. // // See discussion in #1225 for further details. - let fallback_target = TargetInfo::from_str(&target_triple).ok(); + let fallback_target = TargetInfo::from_rustc_target(&target_name).ok(); let ft = fallback_target.as_ref(); let arch = cargo_env("CARGO_CFG_TARGET_ARCH", ft.map(|t| t.arch))?; let vendor = cargo_env("CARGO_CFG_TARGET_VENDOR", ft.map(|t| t.vendor))?; @@ -75,16 +70,10 @@ impl TargetInfoParserInner { let env = cargo_env("CARGO_CFG_TARGET_ENV", ft.map(|t| t.env))?; // `target_abi` was stabilized in Rust 1.78, which is higher than our // MSRV, so it may not always be available; In that case, fall back to - // `""`, which is _probably_ correct for unknown target triples. + // `""`, which is _probably_ correct for unknown target names. let abi = cargo_env("CARGO_CFG_TARGET_ABI", ft.map(|t| t.abi)) .unwrap_or_else(|_| String::default().into_boxed_str()); - // Prefer `rustc`'s LLVM target triple information. - let llvm_target = match fallback_target { - Some(ft) => ft.llvm_target.to_string(), - None => llvm::guess_llvm_target_triple(full_arch, &vendor, &os, &env, &abi), - }; - Ok(Self { full_arch: full_arch.to_string().into_boxed_str(), arch, @@ -92,7 +81,6 @@ impl TargetInfoParserInner { os, env, abi, - llvm_target: llvm_target.into_boxed_str(), }) } } @@ -114,7 +102,6 @@ impl TargetInfoParser { os, env, abi, - llvm_target, }) => Ok(TargetInfo { full_arch, arch, @@ -122,9 +109,453 @@ impl TargetInfoParser { os, env, abi, - llvm_target, }), Err(e) => Err(e.clone()), } } } + +/// Parse the full architecture in the target name into the simpler +/// `cfg(target_arch = "...")` that `rustc` exposes. +fn parse_arch(full_arch: &str) -> Option<&str> { + // NOTE: Some of these don't necessarily match an existing target in + // `rustc`. They're parsed anyhow to be as forward-compatible as possible, + // while still being correct. + // + // See also: + // https://docs.rs/cfg-expr/0.18.0/cfg_expr/targets/index.html + // https://docs.rs/target-lexicon/0.13.2/target_lexicon/enum.Architecture.html + // https://gcc.gnu.org/onlinedocs/gcc/Submodel-Options.html + // `clang -print-targets` + Some(match full_arch { + arch if arch.starts_with("mipsisa32r6") => "mips32r6", // mipsisa32r6 | mipsisa32r6el + arch if arch.starts_with("mipsisa64r6") => "mips64r6", // mipsisa64r6 | mipsisa64r6el + + arch if arch.starts_with("mips64") => "mips64", // mips64 | mips64el + arch if arch.starts_with("mips") => "mips", // mips | mipsel + + arch if arch.starts_with("loongarch64") => "loongarch64", + arch if arch.starts_with("loongarch32") => "loongarch32", + + arch if arch.starts_with("powerpc64") => "powerpc64", // powerpc64 | powerpc64le + arch if arch.starts_with("powerpc") => "powerpc", + arch if arch.starts_with("ppc64") => "powerpc64", + arch if arch.starts_with("ppc") => "powerpc", + + arch if arch.starts_with("x86_64") => "x86_64", // x86_64 | x86_64h + arch if arch.starts_with("i") && arch.ends_with("86") => "x86", // i386 | i586 | i686 + + "arm64ec" => "arm64ec", // https://github.com/rust-lang/rust/issues/131172 + arch if arch.starts_with("aarch64") => "aarch64", // arm64e | arm64_32 + arch if arch.starts_with("arm64") => "aarch64", // aarch64 | aarch64_be + + arch if arch.starts_with("arm") => "arm", // arm | armv7s | armeb | ... + arch if arch.starts_with("thumb") => "arm", // thumbv4t | thumbv7a | thumbv8m | ... + + arch if arch.starts_with("riscv64") => "riscv64", + arch if arch.starts_with("riscv32") => "riscv32", + + arch if arch.starts_with("wasm64") => "wasm64", + arch if arch.starts_with("wasm32") => "wasm32", // wasm32 | wasm32v1 + "asmjs" => "wasm32", + + arch if arch.starts_with("nvptx64") => "nvptx64", + arch if arch.starts_with("nvptx") => "nvptx", + + arch if arch.starts_with("bpf") => "bpf", // bpfeb | bpfel + + // https://github.com/bytecodealliance/wasmtime/tree/v30.0.1/pulley + arch if arch.starts_with("pulley64") => "pulley64", + arch if arch.starts_with("pulley32") => "pulley32", + + // https://github.com/Clever-ISA/Clever-ISA + arch if arch.starts_with("clever") => "clever", + + "sparc" | "sparcv7" | "sparcv8" => "sparc", + "sparc64" | "sparcv9" => "sparc64", + + "amdgcn" => "amdgpu", + "avr" => "avr", + "csky" => "csky", + "hexagon" => "hexagon", + "m68k" => "m68k", + "msp430" => "msp430", + "r600" => "r600", + "s390x" => "s390x", + "xtensa" => "xtensa", + + _ => return None, + }) +} + +/// Parse environment and ABI from the last component of the target name. +fn parse_envabi(last_component: &str) -> Option<(&str, &str)> { + let (env, abi) = match last_component { + // Combined environment and ABI + + // gnullvm | gnueabi | gnueabihf | gnuabiv2 | gnuabi64 | gnuspe | gnux32 | gnu_ilp32 + env_and_abi if env_and_abi.starts_with("gnu") => { + let abi = env_and_abi.strip_prefix("gnu").unwrap(); + let abi = abi.strip_prefix("_").unwrap_or(abi); + ("gnu", abi) + } + // musl | musleabi | musleabihf | muslabi64 | muslspe + env_and_abi if env_and_abi.starts_with("musl") => { + ("musl", env_and_abi.strip_prefix("musl").unwrap()) + } + // uclibc | uclibceabi | uclibceabihf + env_and_abi if env_and_abi.starts_with("uclibc") => { + ("uclibc", env_and_abi.strip_prefix("uclibc").unwrap()) + } + // newlib | newlibeabihf + env_and_abi if env_and_abi.starts_with("newlib") => { + ("newlib", env_and_abi.strip_prefix("newlib").unwrap()) + } + + // Environments + "msvc" => ("msvc", ""), + "ohos" => ("ohos", ""), + "qnx700" => ("nto70", ""), + "qnx710_iosock" => ("nto71_iosock", ""), + "qnx710" => ("nto71", ""), + "qnx800" => ("nto80", ""), + "sgx" => ("sgx", ""), + "threads" => ("threads", ""), + + // ABIs + "abi64" => ("", "abi64"), + "abiv2" => ("", "spe"), + "eabi" => ("", "eabi"), + "eabihf" => ("", "eabihf"), + "macabi" => ("", "macabi"), + "sim" => ("", "sim"), + "softfloat" => ("", "softfloat"), + "spe" => ("", "spe"), + "x32" => ("", "x32"), + + // Badly named targets, ELF is already known from target OS. + // Probably too late to fix now though. + "elf" => ("", ""), + // Undesirable to expose to user code (yet): + // https://github.com/rust-lang/rust/pull/131166#issuecomment-2389541917 + "freestanding" => ("", ""), + + _ => return None, + }; + Some((env, abi)) +} + +impl<'a> TargetInfo<'a> { + pub(crate) fn from_rustc_target(target: &'a str) -> Result { + // FIXME(madsmtm): This target should be renamed, cannot be parsed + // with the means we do below (since `none` must not be interpreted + // as an env/ABI). + if target == "x86_64-unknown-linux-none" { + return Ok(Self { + full_arch: "x86_64", + arch: "x86_64", + vendor: "unknown", + os: "linux", + env: "", + abi: "", + }); + } + + let mut components = target.split('-'); + + // Insist that the target name contains at least a valid architecture. + let full_arch = components.next().ok_or(Error::new( + ErrorKind::InvalidTarget, + "target was empty".to_string(), + ))?; + let arch = parse_arch(full_arch).ok_or_else(|| { + Error::new( + ErrorKind::UnknownTarget, + format!("target `{target}` had an unknown architecture"), + ) + })?; + + // Newer target names have begun omitting the vendor, so the only + // component we know must be there is the OS name. + let components: Vec<_> = components.collect(); + let (vendor, os, mut env, mut abi) = match &*components { + [] => { + return Err(Error::new( + ErrorKind::InvalidTarget, + format!("target `{target}` must have at least two components"), + )) + } + // Two components; format is `arch-os`. + [os] => ("unknown", *os, "", ""), + // The three-component case is a bit tricky to handle, it could + // either have the format `arch-vendor-os` or `arch-os-env+abi`. + [vendor_or_os, os_or_envabi] => { + // We differentiate between these by checking if the last + // component is an env/ABI; if it isn't, then it's probably + // an OS instead. + if let Some((env, abi)) = parse_envabi(os_or_envabi) { + ("unknown", *vendor_or_os, env, abi) + } else { + (*vendor_or_os, *os_or_envabi, "", "") + } + } + // Four components; format is `arch-vendor-os-env+abi`. + [vendor, os, envabi] => { + let (env, abi) = parse_envabi(envabi).ok_or_else(|| { + Error::new( + ErrorKind::UnknownTarget, + format!("unknown environment/ABI `{envabi}` in target `{target}`"), + ) + })?; + (*vendor, *os, env, abi) + } + _ => { + return Err(Error::new( + ErrorKind::InvalidTarget, + format!("too many components in target `{target}`"), + )) + } + }; + + // Part of the architecture name is carried over into the ABI. + match full_arch { + // https://github.com/rust-lang/compiler-team/issues/830 + arch if arch.starts_with("riscv32e") => { + abi = "ilp32e"; + } + _ => {} + } + + // Various environment/ABIs are determined based on OS name. + match os { + "3ds" | "rtems" | "espidf" => env = "newlib", + "vxworks" => env = "gnu", + "redox" => env = "relibc", + "aix" => abi = "vec-extabi", + _ => {} + } + + // Extra overrides for badly named targets. + match target { + // Actually simulator targets. + "i386-apple-ios" | "x86_64-apple-ios" | "x86_64-apple-tvos" => { + abi = "sim"; + } + // Name should've contained `muslabi64`. + "mips64-openwrt-linux-musl" => { + abi = "abi64"; + } + // Specifies abi even though not in name. + "armv6-unknown-freebsd" | "armv6k-nintendo-3ds" | "armv7-unknown-freebsd" => { + abi = "eabihf"; + } + // Specifies abi even though not in name. + "armv7-unknown-linux-ohos" | "armv7-unknown-trusty" => { + abi = "eabi"; + } + _ => {} + } + + let os = match os { + // Horizon is the common/internal OS name for 3DS and the Switch. + "3ds" | "switch" => "horizon", + // FIXME(madsmtm): macOS targets are badly named. + "darwin" => "macos", + + // WASI targets contain the preview version in them too. Should've + // been `wasi-p1`/`wasi-p2`, but that's probably too late now. + os if os.starts_with("wasi") => { + env = os.strip_prefix("wasi").unwrap(); + "wasi" + } + // FIXME(madsmtm): Badly named targets `*-linux-androideabi`, + // should be `*-android-eabi`. + "androideabi" => { + abi = "eabi"; + "android" + } + + os => os, + }; + + let vendor = match vendor { + // esp, esp32, esp32s2 etc. + vendor if vendor.starts_with("esp") => "espressif", + // FIXME(madsmtm): https://github.com/rust-lang/rust/issues/131165 + "openwrt" => "unknown", + // FIXME(madsmtm): Badly named targets `*-linux-android*`, + // "linux" makes no sense as the vendor name. + "linux" if os == "android" || os == "androideabi" => "unknown", + // Some Linux distributions set their name as the target vendor, + // so we have to assume that it can be an arbitary string. + vendor => vendor, + }; + + // Intentionally also marked as an ABI: + // https://github.com/rust-lang/rust/pull/86922 + if vendor == "fortanix" { + abi = "fortanix"; + } + if vendor == "uwp" { + abi = "uwp"; + } + + Ok(Self { + full_arch, + arch, + vendor, + os, + env, + abi, + }) + } +} + +#[cfg(test)] +#[allow(unexpected_cfgs)] +mod tests { + use std::process::Command; + + use super::TargetInfo; + use crate::ErrorKind; + + // Test tier 1 targets. + #[test] + fn tier1() { + let targets = [ + "aarch64-unknown-linux-gnu", + "aarch64-apple-darwin", + "i686-pc-windows-gnu", + "i686-pc-windows-msvc", + "i686-unknown-linux-gnu", + "x86_64-apple-darwin", + "x86_64-pc-windows-gnu", + "x86_64-pc-windows-msvc", + "x86_64-unknown-linux-gnu", + ]; + + for target in targets { + // Check that they parse. + let _ = TargetInfo::from_rustc_target(target).unwrap(); + } + } + + // Various custom target names not (or no longer) known by `rustc`. + #[test] + fn parse_extra() { + let targets = [ + "aarch64-unknown-none-gnu", + "aarch64-uwp-windows-gnu", + "arm-frc-linux-gnueabi", + "arm-unknown-netbsd-eabi", + "armv7neon-unknown-linux-gnueabihf", + "armv7neon-unknown-linux-musleabihf", + "thumbv7-unknown-linux-gnueabihf", + "thumbv7-unknown-linux-musleabihf", + "armv7-apple-ios", + "wasm32-wasi", + "x86_64-rumprun-netbsd", + "x86_64-unknown-linux", + "x86_64-alpine-linux-musl", + "x86_64-chimera-linux-musl", + "x86_64-foxkit-linux-musl", + "arm-poky-linux-gnueabi", + "x86_64-unknown-moturus", + ]; + + for target in targets { + // Check that they parse. + let _ = TargetInfo::from_rustc_target(target).unwrap(); + } + } + + fn target_from_rustc_cfgs<'a>(target: &'a str, cfgs: &'a str) -> TargetInfo<'a> { + // Cannot determine full architecture from cfgs. + let (full_arch, _rest) = target.split_once('-').expect("target to have arch"); + + let mut target = TargetInfo { + full_arch: full_arch.into(), + arch: "invalid-none-set".into(), + vendor: "invalid-none-set".into(), + os: "invalid-none-set".into(), + env: "invalid-none-set".into(), + // Not set in older Rust versions + abi: "".into(), + }; + + for cfg in cfgs.lines() { + if let Some((name, value)) = cfg.split_once('=') { + // Remove whitespace, if `rustc` decided to insert any. + let name = name.trim(); + let value = value.trim(); + + // Remove quotes around value. + let value = value.strip_prefix('"').unwrap_or(value); + let value = value.strip_suffix('"').unwrap_or(value); + + match name { + "target_arch" => target.arch = value, + "target_vendor" => target.vendor = value, + "target_os" => target.os = value, + "target_env" => target.env = value, + "target_abi" => target.abi = value, + _ => {} + } + } else { + // Skip cfgs like `debug_assertions` and `unix`. + } + } + + target + } + + #[test] + fn unknown_env_determined_as_unknown() { + let err = TargetInfo::from_rustc_target("aarch64-unknown-linux-bogus").unwrap_err(); + assert!(matches!(err.kind, ErrorKind::UnknownTarget)); + } + + // Used in .github/workflows/test-rustc-targets.yml + #[test] + #[cfg_attr( + not(rustc_target_test), + ignore = "must enable explicitly with --cfg=rustc_target_test" + )] + fn parse_rustc_targets() { + let rustc = std::env::var("RUSTC").unwrap_or_else(|_| "rustc".to_string()); + + let target_list = Command::new(&rustc) + .arg("--print=target-list") + .output() + .unwrap() + .stdout; + let target_list = String::from_utf8(target_list).unwrap(); + + let mut has_failure = false; + for target in target_list.lines() { + let cfgs = Command::new(&rustc) + .arg("--target") + .arg(target) + .arg("--print=cfg") + .output() + .unwrap() + .stdout; + let cfgs = String::from_utf8(cfgs).unwrap(); + + let expected = target_from_rustc_cfgs(target, &cfgs); + let actual = TargetInfo::from_rustc_target(target); + + if Some(&expected) != actual.as_ref().ok() { + eprintln!("failed comparing {target}:"); + eprintln!(" expected: Ok({expected:?})"); + eprintln!(" actual: {actual:?}"); + eprintln!(); + has_failure = true; + } + } + + if has_failure { + panic!("failed comparing targets"); + } + } +} diff --git a/src/windows/find_tools.rs b/src/windows/find_tools.rs index ce4f0c62..ec7c786c 100644 --- a/src/windows/find_tools.rs +++ b/src/windows/find_tools.rs @@ -110,9 +110,9 @@ impl EnvGetter for StdEnvGetter { /// Attempts to find a tool within an MSVC installation using the Windows /// registry as a point to search from. /// -/// The `arch_or_target` argument is the architecture or the Rust target -/// triple that the tool should work for (e.g. compile or link for). The -/// supported architecture names are: +/// The `arch_or_target` argument is the architecture or the Rust target name +/// that the tool should work for (e.g. compile or link for). The supported +/// architecture names are: /// - `"x64"` or `"x86_64"` /// - `"arm64"` or `"aarch64"` /// - `"arm64ec"`