build.rs - mozsearch

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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('-', "_")

);