[rustc.git] / src / bootstrap / bin / llvm-config-wrapper.rs

// The sheer existence of this file is an awful hack. See the comments in
// `src/bootstrap/native.rs` for why this is needed when compiling LLD.

use std::env;
use std::io::{self, Write};
use std::process::{self, Command, Stdio};

fn main() {
    let real_llvm_config = env::var_os("LLVM_CONFIG_REAL").unwrap();
    let mut cmd = Command::new(real_llvm_config);
    cmd.args(env::args().skip(1)).stderr(Stdio::piped());
    let output = cmd.output().expect("failed to spawn llvm-config");
    let mut stdout = String::from_utf8_lossy(&output.stdout);

    if let Ok(to_replace) = env::var("LLVM_CONFIG_SHIM_REPLACE") {
        if let Ok(replace_with) = env::var("LLVM_CONFIG_SHIM_REPLACE_WITH") {
            stdout = stdout.replace(&to_replace, &replace_with).into();
        }
    }

    print!("{}", stdout.replace("\\", "/"));
    io::stdout().flush().unwrap();
    process::exit(output.status.code().unwrap_or(1));
}
Commit	Line	Data
94b46f34 XL	1	// The sheer existence of this file is an awful hack. See the comments in
	2	// `src/bootstrap/native.rs` for why this is needed when compiling LLD.
	3
	4	use std::env;
94b46f34	5	use std::io::{self, Write};
dfeec247	6	use std::process::{self, Command, Stdio};
94b46f34 XL	7
	8	fn main() {
	9	let real_llvm_config = env::var_os("LLVM_CONFIG_REAL").unwrap();
	10	let mut cmd = Command::new(real_llvm_config);
	11	cmd.args(env::args().skip(1)).stderr(Stdio::piped());
	12	let output = cmd.output().expect("failed to spawn llvm-config");
f9f354fc XL	13	let mut stdout = String::from_utf8_lossy(&output.stdout);
	14
	15	if let Ok(to_replace) = env::var("LLVM_CONFIG_SHIM_REPLACE") {
	16	if let Ok(replace_with) = env::var("LLVM_CONFIG_SHIM_REPLACE_WITH") {
	17	stdout = stdout.replace(&to_replace, &replace_with).into();
	18	}
	19	}
	20
94b46f34 XL	21	print!("{}", stdout.replace("\\", "/"));
	22	io::stdout().flush().unwrap();
	23	process::exit(output.status.code().unwrap_or(1));
	24	}