build.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

use std::env;
use version_check;

fn main() {
    let target = env::var("TARGET").unwrap();

    if version_check::Channel::read().unwrap().is_nightly() {
        println!("cargo:rustc-cfg=rustc_is_nightly")
    }

    if target.starts_with("thumbv6m") {
        println!("cargo:rustc-cfg=armv6m")
    }

    if target.starts_with("thumbv7m")
        | target.starts_with("thumbv7em")
        | target.starts_with("thumbv8m")
    {
        println!("cargo:rustc-cfg=armv7m")
    }

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