71174f6626
It's been a while since the last time, so quite a lot of stuff has accumulated here. Change-Id: I0762827c197b30a917ff470fd8ae8f220f6ba247 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7597 Reviewed-by: grfn <grfn@gws.fyi> Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
351 lines
11 KiB
Rust
351 lines
11 KiB
Rust
/// true iff the argument is recognized by cppnix as the second
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/// coordinate of a "nix double"
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fn is_second_coordinate(x: &str) -> bool {
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matches!(x, "linux" | "darwin" | "netbsd" | "openbsd" | "freebsd")
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}
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/// This function takes an llvm triple (which may have three or four
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/// components, separated by dashes) and returns the "best"
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/// approximation as a nix double, where "best" is currently defined
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/// as "however cppnix handles it".
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pub fn llvm_triple_to_nix_double(llvm_triple: &str) -> String {
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let parts: Vec<&str> = llvm_triple.split('-').collect();
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let cpu = match parts[0] {
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"armv6" => "armv6l", // cppnix appends an "l" to armv6
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"armv7" => "armv7l", // cppnix appends an "l" to armv7
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x => match x.as_bytes() {
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[b'i', _, b'8', b'6'] => "i686", // cppnix glob-matches against i*86
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_ => x,
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},
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};
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let os = match parts[1..] {
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[_vendor, kernel, _environment] if is_second_coordinate(kernel) => kernel,
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[_vendor, kernel] if is_second_coordinate(kernel) => kernel,
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[kernel, _environment] if is_second_coordinate(kernel) => kernel,
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// Rustc uses wasm32-unknown-unknown, which is rejected by
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// config.sub, for wasm-in-the-browser environments. Rustc
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// should be using wasm32-unknown-none, which config.sub
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// accepts. Hopefully the rustc people will change their
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// triple before stabilising this triple. In the meantime,
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// we fix it here in order to unbreak tvixbolt.
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//
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// https://doc.rust-lang.org/beta/nightly-rustc/rustc_target/spec/wasm32_unknown_unknown/index.html
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["unknown", "unknown"] if cpu == "wasm32" => "none",
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_ => panic!("unrecognized triple {llvm_triple}"),
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};
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format!("{cpu}-{os}")
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_systems() {
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assert_eq!(
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llvm_triple_to_nix_double("aarch64-unknown-linux-gnu"),
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"aarch64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("i686-unknown-linux-gnu"),
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"i686-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("x86_64-apple-darwin"),
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"x86_64-darwin"
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);
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assert_eq!(
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llvm_triple_to_nix_double("x86_64-unknown-linux-gnu"),
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"x86_64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("aarch64-apple-darwin"),
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"aarch64-darwin"
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);
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assert_eq!(
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llvm_triple_to_nix_double("aarch64-unknown-linux-musl"),
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"aarch64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("arm-unknown-linux-gnueabi"),
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"arm-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("arm-unknown-linux-gnueabihf"),
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"arm-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv7-unknown-linux-gnueabihf"),
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"armv7l-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips-unknown-linux-gnu"),
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"mips-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips64-unknown-linux-gnuabi64"),
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"mips64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips64-unknown-linux-gnuabin32"),
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"mips64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips64el-unknown-linux-gnuabi64"),
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"mips64el-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips64el-unknown-linux-gnuabin32"),
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"mips64el-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mipsel-unknown-linux-gnu"),
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"mipsel-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("powerpc-unknown-linux-gnu"),
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"powerpc-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("powerpc64-unknown-linux-gnu"),
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"powerpc64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("powerpc64le-unknown-linux-gnu"),
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"powerpc64le-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("s390x-unknown-linux-gnu"),
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"s390x-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("x86_64-unknown-linux-musl"),
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"x86_64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("x86_64-unknown-netbsd"),
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"x86_64-netbsd"
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);
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assert_eq!(
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llvm_triple_to_nix_double("aarch64-linux-android"),
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"aarch64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("arm-linux-androideabi"),
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"arm-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("arm-unknown-linux-musleabi"),
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"arm-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("arm-unknown-linux-musleabihf"),
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"arm-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv5te-unknown-linux-gnueabi"),
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"armv5te-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv5te-unknown-linux-musleabi"),
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"armv5te-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv7-linux-androideabi"),
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"armv7l-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv7-unknown-linux-gnueabi"),
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"armv7l-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv7-unknown-linux-musleabi"),
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"armv7l-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv7-unknown-linux-musleabihf"),
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"armv7l-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("i586-unknown-linux-gnu"),
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"i686-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("i586-unknown-linux-musl"),
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"i686-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("i686-linux-android"),
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"i686-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("i686-unknown-linux-musl"),
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"i686-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips-unknown-linux-musl"),
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"mips-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips64-unknown-linux-muslabi64"),
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"mips64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips64el-unknown-linux-muslabi64"),
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"mips64el-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mipsel-unknown-linux-musl"),
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"mipsel-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("sparc64-unknown-linux-gnu"),
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"sparc64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("thumbv7neon-linux-androideabi"),
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"thumbv7neon-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("thumbv7neon-unknown-linux-gnueabihf"),
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"thumbv7neon-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("x86_64-linux-android"),
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"x86_64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("x86_64-unknown-linux-gnux32"),
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"x86_64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("aarch64-unknown-linux-gnu_ilp32"),
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"aarch64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("aarch64-unknown-netbsd"),
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"aarch64-netbsd"
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);
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assert_eq!(
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llvm_triple_to_nix_double("aarch64_be-unknown-linux-gnu_ilp32"),
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"aarch64_be-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("aarch64_be-unknown-linux-gnu"),
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"aarch64_be-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armeb-unknown-linux-gnueabi"),
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"armeb-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv4t-unknown-linux-gnueabi"),
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"armv4t-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv6-unknown-netbsd-eabihf"),
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"armv6l-netbsd"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv7-unknown-linux-uclibceabi"),
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"armv7l-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv7-unknown-linux-uclibceabihf"),
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"armv7l-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("armv7-unknown-netbsd-eabihf"),
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"armv7l-netbsd"
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);
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assert_eq!(
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llvm_triple_to_nix_double("hexagon-unknown-linux-musl"),
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"hexagon-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("i686-unknown-netbsd"),
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"i686-netbsd"
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);
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assert_eq!(
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llvm_triple_to_nix_double("m68k-unknown-linux-gnu"),
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"m68k-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips-unknown-linux-uclibc"),
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"mips-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mips64-openwrt-linux-musl"),
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"mips64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mipsel-unknown-linux-uclibc"),
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"mipsel-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mipsisa32r6-unknown-linux-gnu"),
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"mipsisa32r6-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mipsisa32r6el-unknown-linux-gnu"),
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"mipsisa32r6el-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mipsisa64r6-unknown-linux-gnuabi64"),
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"mipsisa64r6-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("mipsisa64r6el-unknown-linux-gnuabi64"),
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"mipsisa64r6el-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("powerpc-unknown-linux-gnuspe"),
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"powerpc-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("powerpc-unknown-linux-musl"),
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"powerpc-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("powerpc-unknown-netbsd"),
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"powerpc-netbsd"
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);
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assert_eq!(
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llvm_triple_to_nix_double("powerpc64-unknown-linux-musl"),
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"powerpc64-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("powerpc64le-unknown-linux-musl"),
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"powerpc64le-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("riscv32gc-unknown-linux-gnu"),
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"riscv32gc-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("riscv32gc-unknown-linux-musl"),
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"riscv32gc-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("riscv64gc-unknown-linux-musl"),
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"riscv64gc-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("s390x-unknown-linux-musl"),
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"s390x-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("sparc-unknown-linux-gnu"),
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"sparc-linux"
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);
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assert_eq!(
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llvm_triple_to_nix_double("sparc64-unknown-netbsd"),
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"sparc64-netbsd"
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);
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assert_eq!(
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llvm_triple_to_nix_double("thumbv7neon-unknown-linux-musleabihf"),
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"thumbv7neon-linux"
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);
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}
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}
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