libcwtch-rs/build.rs

34 lines
1.2 KiB
Rust

use std::fs;
use std::path::Path;
use std::process::Command;
use std::{env, io};
use hex_literal::hex;
use sha2::{Digest, Sha512};
fn main() {
let out_dir = env::var_os("OUT_DIR").unwrap();
println!("cargo:rustc-flags=-L {}", out_dir.to_str().unwrap());
println!("cargo:rustc-link-lib=Cwtch");
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=libCwtch.h");
let lib_cwtch_path = Path::new(&out_dir).join("libCwtch.so");
// https://git.openprivacy.ca/cwtch.im/libcwtch-go/releases v1.5.4
Command::new("wget")
.arg("https://git.openprivacy.ca/attachments/dd3c6b41-98e4-4e7b-81af-d21893bfe389")
.arg("-O")
.arg(lib_cwtch_path)
.output()
.expect("failed to download libCwtch.so");
let lib_cwtch_path = Path::new(&out_dir).join("libCwtch.so");
let mut hasher = Sha512::new();
let mut file = fs::File::open(&lib_cwtch_path).expect("could not open lib to hash");
io::copy(&mut file, &mut hasher).expect("failed to copy file into hasher");
let hash_bytes = hasher.finalize();
assert_eq!(hash_bytes[..], hex!("776a26076dfad3370d1b2edec9ad954187584f54483ec201163be0dc356c10b0fe74168e8e95f2116f458e5676e1fb07fbd0357cab1e4389ac762fe03bd5ef67")[..]);
}