diff options
Diffstat (limited to 'src/bootstrap/bin/rustdoc.rs')
| -rw-r--r-- | src/bootstrap/bin/rustdoc.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/bootstrap/bin/rustdoc.rs b/src/bootstrap/bin/rustdoc.rs index e9ca430f158..3a1a9c3e40d 100644 --- a/src/bootstrap/bin/rustdoc.rs +++ b/src/bootstrap/bin/rustdoc.rs @@ -40,6 +40,14 @@ fn main() { .arg(sysroot) .env(bootstrap::util::dylib_path_var(), env::join_paths(&dylib_path).unwrap()); + + // Pass the `rustbuild` feature flag to crates which rustbuild is + // building. See the comment in bootstrap/lib.rs where this env var is + // set for more details. + if env::var_os("RUSTBUILD_UNSTABLE").is_some() { + cmd.arg("--cfg").arg("rustbuild"); + } + std::process::exit(match cmd.status() { Ok(s) => s.code().unwrap_or(1), Err(e) => panic!("\n\nfailed to run {:?}: {}\n\n", cmd, e), |