enzyme 0.4.0

A helper crate to simplify experimenting with Enzyme.
Documentation 
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use std::process::Command;

fn run_and_printerror(command: &mut Command) {
    println!("Running: `{:?}`", command);
    match command.status() {
        Ok(status) => {
            if !status.success() {
                panic!("Failed: `{:?}` ({})", command, status);
            }
        }
        Err(error) => {
            panic!("Failed: `{:?}` ({})", command, error);
        }
    }
}


fn main() {

    let target_platform = env!("TARGET");

    let build_args = vec![
    "+enzyme", 
    "-Zbuild-std",
    "rustc",
    "--target", 
    target_platform, 
    "--", 
    "--emit=llvm-bc",
    "-g", 
    "-Copt-level=3"];

    let mut run1 = Command::new("cargo");
    run1.args(&build_args);
    run1.env("RUSTFLAGS","--emit=llvm-bc");
    run1.arg("-Zno-link");
    run_and_printerror(&mut run1);

    let mut info_run = Command::new("echo");
    info_run.arg("First Compilation done, re-compiling now!");
    run_and_printerror(&mut info_run);

    let mut run2 = Command::new("cargo");
    run2.args(&build_args);
    run2.env("RUSTFLAGS","--emit=llvm-bc");
    run_and_printerror(&mut run2);
}