| //! Shim which is passed to Cargo as "rustdoc" when running the bootstrap. |
| //! |
| //! See comments in `src/bootstrap/rustc.rs` for more information. |
| |
| use std::env; |
| use std::process::Command; |
| use std::path::PathBuf; |
| use std::ffi::OsString; |
| |
| fn main() { |
| let args = env::args_os().skip(1).collect::<Vec<_>>(); |
| let rustdoc = env::var_os("RUSTDOC_REAL").expect("RUSTDOC_REAL was not set"); |
| let libdir = env::var_os("RUSTDOC_LIBDIR").expect("RUSTDOC_LIBDIR was not set"); |
| let stage = env::var("RUSTC_STAGE").expect("RUSTC_STAGE was not set"); |
| let sysroot = env::var_os("RUSTC_SYSROOT").expect("RUSTC_SYSROOT was not set"); |
| let mut has_unstable = false; |
| |
| use std::str::FromStr; |
| |
| let verbose = match env::var("RUSTC_VERBOSE") { |
| Ok(s) => usize::from_str(&s).expect("RUSTC_VERBOSE should be an integer"), |
| Err(_) => 0, |
| }; |
| |
| let mut dylib_path = bootstrap::util::dylib_path(); |
| dylib_path.insert(0, PathBuf::from(libdir.clone())); |
| |
| //FIXME(misdreavus): once stdsimd uses cfg(doc) instead of cfg(dox), remove the `--cfg dox` |
| //arguments here |
| let mut cmd = Command::new(rustdoc); |
| cmd.args(&args) |
| .arg("--cfg") |
| .arg(format!("stage{}", stage)) |
| .arg("--cfg") |
| .arg("dox") |
| .arg("--sysroot") |
| .arg(&sysroot) |
| .env(bootstrap::util::dylib_path_var(), |
| env::join_paths(&dylib_path).unwrap()); |
| |
| // Force all crates compiled by this compiler to (a) be unstable and (b) |
| // allow the `rustc_private` feature to link to other unstable crates |
| // also in the sysroot. |
| if env::var_os("RUSTC_FORCE_UNSTABLE").is_some() { |
| cmd.arg("-Z").arg("force-unstable-if-unmarked"); |
| } |
| if let Some(linker) = env::var_os("RUSTC_TARGET_LINKER") { |
| let mut arg = OsString::from("-Clinker="); |
| arg.push(&linker); |
| cmd.arg(arg); |
| } |
| |
| // Bootstrap's Cargo-command builder sets this variable to the current Rust version; let's pick |
| // it up so we can make rustdoc print this into the docs |
| if let Some(version) = env::var_os("RUSTDOC_CRATE_VERSION") { |
| // This "unstable-options" can be removed when `--crate-version` is stabilized |
| if !has_unstable { |
| cmd.arg("-Z") |
| .arg("unstable-options"); |
| } |
| cmd.arg("--crate-version").arg(version); |
| has_unstable = true; |
| } |
| |
| // Needed to be able to run all rustdoc tests. |
| if let Some(_) = env::var_os("RUSTDOC_GENERATE_REDIRECT_PAGES") { |
| // This "unstable-options" can be removed when `--generate-redirect-pages` is stabilized |
| if !has_unstable { |
| cmd.arg("-Z") |
| .arg("unstable-options"); |
| } |
| cmd.arg("--generate-redirect-pages"); |
| has_unstable = true; |
| } |
| |
| // Needed to be able to run all rustdoc tests. |
| if let Some(ref x) = env::var_os("RUSTDOC_RESOURCE_SUFFIX") { |
| // This "unstable-options" can be removed when `--resource-suffix` is stabilized |
| if !has_unstable { |
| cmd.arg("-Z") |
| .arg("unstable-options"); |
| } |
| cmd.arg("--resource-suffix").arg(x); |
| } |
| |
| if verbose > 1 { |
| eprintln!( |
| "rustdoc command: {:?}={:?} {:?}", |
| bootstrap::util::dylib_path_var(), |
| env::join_paths(&dylib_path).unwrap(), |
| cmd, |
| ); |
| eprintln!("sysroot: {:?}", sysroot); |
| eprintln!("libdir: {:?}", libdir); |
| } |
| |
| std::process::exit(match cmd.status() { |
| Ok(s) => s.code().unwrap_or(1), |
| Err(e) => panic!("\n\nfailed to run {:?}: {}\n\n", cmd, e), |
| }) |
| } |