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54a0048b SL |
1 | //! Shim which is passed to Cargo as "rustdoc" when running the bootstrap. |
2 | //! | |
3 | //! See comments in `src/bootstrap/rustc.rs` for more information. | |
4 | ||
32a655c1 SL |
5 | #![deny(warnings)] |
6 | ||
a7813a04 XL |
7 | extern crate bootstrap; |
8 | ||
54a0048b SL |
9 | use std::env; |
10 | use std::process::Command; | |
a7813a04 | 11 | use std::path::PathBuf; |
54a0048b SL |
12 | |
13 | fn main() { | |
14 | let args = env::args_os().skip(1).collect::<Vec<_>>(); | |
9e0c209e | 15 | let rustdoc = env::var_os("RUSTDOC_REAL").expect("RUSTDOC_REAL was not set"); |
2c00a5a8 | 16 | let libdir = env::var_os("RUSTDOC_LIBDIR").expect("RUSTDOC_LIBDIR was not set"); |
9e0c209e | 17 | let stage = env::var("RUSTC_STAGE").expect("RUSTC_STAGE was not set"); |
32a655c1 | 18 | let sysroot = env::var_os("RUSTC_SYSROOT").expect("RUSTC_SYSROOT was not set"); |
a7813a04 | 19 | |
2c00a5a8 XL |
20 | use std::str::FromStr; |
21 | ||
22 | let verbose = match env::var("RUSTC_VERBOSE") { | |
23 | Ok(s) => usize::from_str(&s).expect("RUSTC_VERBOSE should be an integer"), | |
24 | Err(_) => 0, | |
25 | }; | |
26 | ||
5bcae85e | 27 | let mut dylib_path = bootstrap::util::dylib_path(); |
8faf50e0 | 28 | dylib_path.insert(0, PathBuf::from(libdir.clone())); |
54a0048b | 29 | |
b7449926 XL |
30 | //FIXME(misdreavus): once stdsimd uses cfg(rustdoc) instead of cfg(dox), remove the `--cfg dox` |
31 | //arguments here | |
54a0048b SL |
32 | let mut cmd = Command::new(rustdoc); |
33 | cmd.args(&args) | |
c30ab7b3 SL |
34 | .arg("--cfg") |
35 | .arg(format!("stage{}", stage)) | |
36 | .arg("--cfg") | |
37 | .arg("dox") | |
32a655c1 SL |
38 | .arg("--sysroot") |
39 | .arg(sysroot) | |
c30ab7b3 SL |
40 | .env(bootstrap::util::dylib_path_var(), |
41 | env::join_paths(&dylib_path).unwrap()); | |
cc61c64b | 42 | |
041b39d2 XL |
43 | // Force all crates compiled by this compiler to (a) be unstable and (b) |
44 | // allow the `rustc_private` feature to link to other unstable crates | |
45 | // also in the sysroot. | |
46 | if env::var_os("RUSTC_FORCE_UNSTABLE").is_some() { | |
47 | cmd.arg("-Z").arg("force-unstable-if-unmarked"); | |
cc61c64b | 48 | } |
abe05a73 XL |
49 | if let Some(linker) = env::var_os("RUSTC_TARGET_LINKER") { |
50 | cmd.arg("--linker").arg(linker).arg("-Z").arg("unstable-options"); | |
51 | } | |
52 | ||
53 | // Bootstrap's Cargo-command builder sets this variable to the current Rust version; let's pick | |
54 | // it up so we can make rustdoc print this into the docs | |
55 | if let Some(version) = env::var_os("RUSTDOC_CRATE_VERSION") { | |
56 | // This "unstable-options" can be removed when `--crate-version` is stabilized | |
0531ce1d XL |
57 | cmd.arg("-Z") |
58 | .arg("unstable-options") | |
abe05a73 XL |
59 | .arg("--crate-version").arg(version); |
60 | } | |
cc61c64b | 61 | |
2c00a5a8 XL |
62 | if verbose > 1 { |
63 | eprintln!("rustdoc command: {:?}", cmd); | |
8faf50e0 | 64 | eprintln!("libdir: {:?}", libdir); |
2c00a5a8 XL |
65 | } |
66 | ||
54a0048b SL |
67 | std::process::exit(match cmd.status() { |
68 | Ok(s) => s.code().unwrap_or(1), | |
69 | Err(e) => panic!("\n\nfailed to run {:?}: {}\n\n", cmd, e), | |
70 | }) | |
71 | } |