42 lines
1.4 KiB
Rust
42 lines
1.4 KiB
Rust
use std::env;
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use std::ffi::OsString;
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#[cfg(unix)]
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use std::os::unix::process::CommandExt;
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use std::process::Command;
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fn main() {
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let current_exe = env::current_exe().unwrap();
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let mut sysroot = current_exe.parent().unwrap();
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if sysroot.file_name().unwrap().to_str().unwrap() == "bin" {
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sysroot = sysroot.parent().unwrap();
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}
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let cg_clif_dylib_path = sysroot.join(if cfg!(windows) { "bin" } else { "lib" }).join(
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env::consts::DLL_PREFIX.to_string() + "rustc_codegen_cranelift" + env::consts::DLL_SUFFIX,
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);
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let passed_args = std::env::args_os().skip(1).collect::<Vec<_>>();
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let mut args = vec![];
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args.push(OsString::from("-Cpanic=abort"));
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args.push(OsString::from("-Zpanic-abort-tests"));
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let mut codegen_backend_arg = OsString::from("-Zcodegen-backend=");
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codegen_backend_arg.push(cg_clif_dylib_path);
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args.push(codegen_backend_arg);
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if !passed_args.contains(&OsString::from("--sysroot")) {
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args.push(OsString::from("--sysroot"));
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args.push(OsString::from(sysroot.to_str().unwrap()));
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}
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args.extend(passed_args);
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// Ensure that the right toolchain is used
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env::set_var("RUSTUP_TOOLCHAIN", env!("TOOLCHAIN_NAME"));
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#[cfg(unix)]
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panic!("Failed to spawn rustdoc: {}", Command::new("rustdoc").args(args).exec());
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#[cfg(not(unix))]
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std::process::exit(
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Command::new("rustdoc").args(args).spawn().unwrap().wait().unwrap().code().unwrap_or(1),
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);
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}
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