Crate rustc_host

Expand description

rustc-host

Combined crate (library + binary) for getting the so-called “host triple” of rustc.

Usage as a library

Add this to your Cargo.toml:

[dependencies]
rustc-host = "0.1"

after that you can use it like this:

extern crate rustc_host;

fn main() {
    let host_triple = rustc_host::from_cli()
        .expect("failed to get host triple from rustc");
    println!("host triple: {}", host_triple);
}

Usage as a binary

Installation

cargo install rustc-host

Usage

rustc-host

Example output

x86_64-pc-windows-msvc

Features

unsafe - disabled by default, enables unsafe code that reuses the String buffer obtained from rustc -Vv instead of allocating a new one.

^{Licensed under either of Apache License, Version
2.0 or MIT license at your option.}
_{Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
be dual licensed as above, without any additional terms or conditions.}

Enums

Error

Error type for rustc_host.

Functions

from_cli

Returns the host triple of the current rustc using CLI.