File: build.rs

package info (click to toggle)
thunderbird 1%3A91.13.0-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 2,953,400 kB
  • sloc: cpp: 6,084,049; javascript: 4,790,441; ansic: 3,341,496; python: 862,958; asm: 366,542; xml: 204,277; java: 152,477; sh: 111,436; makefile: 21,388; perl: 15,312; yacc: 4,583; objc: 3,026; lex: 1,720; exp: 762; pascal: 635; awk: 564; sql: 453; php: 436; lisp: 432; ruby: 99; sed: 69; csh: 45
file content (34 lines) | stat: -rw-r--r-- 1,128 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
use rustc_version::{version_meta, Channel, Version};

fn main() {
    println!("cargo:rustc-env=RUSTC_BOOTSTRAP=1");
    let target = std::env::var("TARGET")
        .expect("TARGET environment variable not defined");
    if target.contains("neon") {
        println!("cargo:rustc-cfg=libcore_neon");
    }
    let ver_meta = version_meta().unwrap();
    let old_const_generics =
        if ver_meta.semver < Version::parse("1.56.0-alpha").unwrap() {
            true
        } else if ver_meta.semver >= Version::parse("1.57.0-alpha").unwrap() {
            false
        } else {
            match ver_meta.channel {
                Channel::Stable | Channel::Beta => false,
                Channel::Nightly | Channel::Dev
                    if ver_meta
                        .commit_date
                        .as_deref()
                        .map(|d| d < "2021-08-31")
                        .unwrap_or(false) =>
                {
                    true
                }
                _ => false,
            }
        };
    if old_const_generics {
        println!("cargo:rustc-cfg=const_generics");
    }
}