Revision control

Copy as Markdown

Other Tools

use std::env;
use std::fs::File;
use std::io::Write;
use std::path::{Path, PathBuf};
fn main() {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let mut dst =
File::create(Path::new(&out_dir).join("host-target.txt")).unwrap();
dst.write_all(env::var("TARGET").unwrap().as_bytes())
.unwrap();
// On behalf of clang_sys, rebuild ourselves if important configuration
// variables change, to ensure that bindings get rebuilt if the
// underlying libclang changes.
println!("cargo:rerun-if-env-changed=LLVM_CONFIG_PATH");
println!("cargo:rerun-if-env-changed=LIBCLANG_PATH");
println!("cargo:rerun-if-env-changed=LIBCLANG_STATIC_PATH");
println!("cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS");
println!(
"cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS_{}",
std::env::var("TARGET").unwrap()
);
println!(
"cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS_{}",
std::env::var("TARGET").unwrap().replace('-', "_")
);
}