]>
Commit | Line | Data |
---|---|---|
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 | ||
5 | use std::env; | |
e1599b0c | 6 | use std::ffi::OsString; |
dfeec247 XL |
7 | use std::path::PathBuf; |
8 | use std::process::Command; | |
54a0048b SL |
9 | |
10 | fn main() { | |
11 | let args = env::args_os().skip(1).collect::<Vec<_>>(); | |
9e0c209e | 12 | let rustdoc = env::var_os("RUSTDOC_REAL").expect("RUSTDOC_REAL was not set"); |
2c00a5a8 | 13 | let libdir = env::var_os("RUSTDOC_LIBDIR").expect("RUSTDOC_LIBDIR was not set"); |
9e0c209e | 14 | let stage = env::var("RUSTC_STAGE").expect("RUSTC_STAGE was not set"); |
32a655c1 | 15 | let sysroot = env::var_os("RUSTC_SYSROOT").expect("RUSTC_SYSROOT was not set"); |
9fa01778 | 16 | let mut has_unstable = false; |
a7813a04 | 17 | |
2c00a5a8 XL |
18 | use std::str::FromStr; |
19 | ||
20 | let verbose = match env::var("RUSTC_VERBOSE") { | |
21 | Ok(s) => usize::from_str(&s).expect("RUSTC_VERBOSE should be an integer"), | |
22 | Err(_) => 0, | |
23 | }; | |
24 | ||
5bcae85e | 25 | let mut dylib_path = bootstrap::util::dylib_path(); |
8faf50e0 | 26 | dylib_path.insert(0, PathBuf::from(libdir.clone())); |
54a0048b | 27 | |
60c5eb7d | 28 | //FIXME(misdreavus): once stdsimd uses cfg(doc) instead of cfg(dox), remove the `--cfg dox` |
b7449926 | 29 | //arguments here |
54a0048b SL |
30 | let mut cmd = Command::new(rustdoc); |
31 | cmd.args(&args) | |
c30ab7b3 SL |
32 | .arg("--cfg") |
33 | .arg(format!("stage{}", stage)) | |
34 | .arg("--cfg") | |
35 | .arg("dox") | |
32a655c1 | 36 | .arg("--sysroot") |
532ac7d7 | 37 | .arg(&sysroot) |
dfeec247 | 38 | .env(bootstrap::util::dylib_path_var(), env::join_paths(&dylib_path).unwrap()); |
cc61c64b | 39 | |
041b39d2 XL |
40 | // Force all crates compiled by this compiler to (a) be unstable and (b) |
41 | // allow the `rustc_private` feature to link to other unstable crates | |
42 | // also in the sysroot. | |
43 | if env::var_os("RUSTC_FORCE_UNSTABLE").is_some() { | |
44 | cmd.arg("-Z").arg("force-unstable-if-unmarked"); | |
cc61c64b | 45 | } |
abe05a73 | 46 | if let Some(linker) = env::var_os("RUSTC_TARGET_LINKER") { |
e1599b0c XL |
47 | let mut arg = OsString::from("-Clinker="); |
48 | arg.push(&linker); | |
49 | cmd.arg(arg); | |
abe05a73 XL |
50 | } |
51 | ||
52 | // Bootstrap's Cargo-command builder sets this variable to the current Rust version; let's pick | |
53 | // it up so we can make rustdoc print this into the docs | |
54 | if let Some(version) = env::var_os("RUSTDOC_CRATE_VERSION") { | |
9fa01778 | 55 | cmd.arg("--crate-version").arg(version); |
9fa01778 XL |
56 | } |
57 | ||
58 | // Needed to be able to run all rustdoc tests. | |
74b04a01 | 59 | if env::var_os("RUSTDOC_GENERATE_REDIRECT_PAGES").is_some() { |
9fa01778 XL |
60 | // This "unstable-options" can be removed when `--generate-redirect-pages` is stabilized |
61 | if !has_unstable { | |
dfeec247 | 62 | cmd.arg("-Z").arg("unstable-options"); |
9fa01778 XL |
63 | } |
64 | cmd.arg("--generate-redirect-pages"); | |
65 | has_unstable = true; | |
66 | } | |
67 | ||
68 | // Needed to be able to run all rustdoc tests. | |
69 | if let Some(ref x) = env::var_os("RUSTDOC_RESOURCE_SUFFIX") { | |
70 | // This "unstable-options" can be removed when `--resource-suffix` is stabilized | |
71 | if !has_unstable { | |
dfeec247 | 72 | cmd.arg("-Z").arg("unstable-options"); |
9fa01778 XL |
73 | } |
74 | cmd.arg("--resource-suffix").arg(x); | |
abe05a73 | 75 | } |
cc61c64b | 76 | |
2c00a5a8 | 77 | if verbose > 1 { |
532ac7d7 XL |
78 | eprintln!( |
79 | "rustdoc command: {:?}={:?} {:?}", | |
80 | bootstrap::util::dylib_path_var(), | |
81 | env::join_paths(&dylib_path).unwrap(), | |
82 | cmd, | |
83 | ); | |
84 | eprintln!("sysroot: {:?}", sysroot); | |
8faf50e0 | 85 | eprintln!("libdir: {:?}", libdir); |
2c00a5a8 XL |
86 | } |
87 | ||
54a0048b SL |
88 | std::process::exit(match cmd.status() { |
89 | Ok(s) => s.code().unwrap_or(1), | |
90 | Err(e) => panic!("\n\nfailed to run {:?}: {}\n\n", cmd, e), | |
91 | }) | |
92 | } |