sgx_no_tstd/build.rs

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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// under the License.

extern crate sgx_build_helper as build_helper;

use std::env;
use std::process::Command;
use build_helper::{run, native_lib_boilerplate};

fn main() {
    println!("cargo:rerun-if-changed=build.rs");
    let target = env::var("TARGET").expect("TARGET was not set");
    let host = env::var("HOST").expect("HOST was not set");

    let _ = build_libunwind(&host, &target);
}

fn build_libunwind(host: &str, target: &str) -> Result<(), ()> {
    let native = native_lib_boilerplate("sgx_unwind/libunwind", "libunwind", "unwind", "src/.libs")?;
    let cflags = env::var("CFLAGS").unwrap_or_default() + " -fvisibility=hidden -O2";

    run(Command::new("sh")
                .current_dir(&native.out_dir)
                .arg(native.src_dir.join("autogen-linux.sh").to_str().unwrap())
                .arg(format!("--host={}", build_helper::gnu_target(target)))
                .arg(format!("--build={}", build_helper::gnu_target(host)))
                .env("CFLAGS", cflags));

    run(Command::new(build_helper::make(host))
                .current_dir(&native.out_dir)
                .arg(format!("INCDIR={}", native.src_dir.display()))
                .arg("-j5"));
    Ok(())
}