assert_cmd/build.rs at master · assert-rs/assert_cmd · GitHub

17 lines (15 loc) · 674 Bytes

use std::env;

use std::fs;

use std::io::Write;

use std::path;

fn main() {

println!("cargo:rerun-if-changed=build.rs");

// env::ARCH doesn't include the full triplet, and as far as I know there isn't a cleaner way of getting the full triplet

// (see cargo.rs for the rest of this implementation)

let out = path::PathBuf::from(env::var_os("OUT_DIR").expect("run within cargo"))

.join("current_target.txt");

let default_target = env::var("TARGET").expect("run as cargo build script");

let mut file = fs::File::create(out).expect("can write to OUT_DIR");

file.write_all(default_target.as_bytes())

.expect("can write to OUT_DIR");

}

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