1 files changed, 28 insertions, 13 deletions

diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index 3ed534523..0474ab344 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -108,10 +108,12 @@ use std::collections::{HashMap, HashSet};
 use std::env;
 use std::fs::{self, File};
 use std::io;
+use std::io::ErrorKind;
 use std::path::{Path, PathBuf};
 use std::process::Command;
 use std::str;
 
+use build_helper::ci::CiEnv;
 use channel::GitInfo;
 use config::{DryRun, Target};
 use filetime::FileTime;
@@ -119,7 +121,9 @@ use once_cell::sync::OnceCell;
 
 use crate::builder::Kind;
 use crate::config::{LlvmLibunwind, TargetSelection};
-use crate::util::{exe, libdir, mtime, output, run, run_suppressed, try_run_suppressed, CiEnv};
+use crate::util::{
+    exe, libdir, mtime, output, run, run_suppressed, symlink_dir, try_run_suppressed,
+};
 
 mod bolt;
 mod builder;
@@ -199,6 +203,7 @@ const EXTRA_CHECK_CFGS: &[(Option<Mode>, &'static str, Option<&[&'static str]>)]
     (None, "bootstrap", None),
     (Some(Mode::Rustc), "parallel_compiler", None),
     (Some(Mode::ToolRustc), "parallel_compiler", None),
+    (Some(Mode::ToolRustc), "emulate_second_only_system", None),
     (Some(Mode::Codegen), "parallel_compiler", None),
     (Some(Mode::Std), "stdarch_intel_sde", None),
     (Some(Mode::Std), "no_fp_fmt_parse", None),
@@ -586,6 +591,21 @@ impl Build {
             metadata::build(&mut build);
         }
 
+        // Make a symbolic link so we can use a consistent directory in the documentation.
+        let build_triple = build.out.join(&build.build.triple);
+        t!(fs::create_dir_all(&build_triple));
+        let host = build.out.join("host");
+        if let Err(e) = symlink_dir(&build.config, &build_triple, &host) {
+            if e.kind() != ErrorKind::AlreadyExists {
+                panic!(
+                    "symlink_dir({} => {}) failed with {}",
+                    host.display(),
+                    build_triple.display(),
+                    e
+                );
+            }
+        }
+
         build
     }
 
@@ -709,14 +729,6 @@ impl Build {
             return format::format(&builder::Builder::new(&self), *check, &paths);
         }
 
-        if let Subcommand::Clean { all } = self.config.cmd {
-            return clean::clean(self, all);
-        }
-
-        if let Subcommand::Setup { profile } = &self.config.cmd {
-            return setup::setup(&self.config, *profile);
-        }
-
         // Download rustfmt early so that it can be used in rust-analyzer configs.
         let _ = &builder::Builder::new(&self).initial_rustfmt();
 
@@ -782,7 +794,7 @@ impl Build {
     /// Gets the space-separated set of activated features for the standard
     /// library.
     fn std_features(&self, target: TargetSelection) -> String {
-        let mut features = "panic-unwind".to_string();
+        let mut features = " panic-unwind".to_string();
 
         match self.config.llvm_libunwind(target) {
             LlvmLibunwind::InTree => features.push_str(" llvm-libunwind"),
@@ -1386,7 +1398,10 @@ impl Build {
         let mut list = vec![INTERNER.intern_str(root)];
         let mut visited = HashSet::new();
         while let Some(krate) = list.pop() {
-            let krate = &self.crates[&krate];
+            let krate = self
+                .crates
+                .get(&krate)
+                .unwrap_or_else(|| panic!("metadata missing for {krate}: {:?}", self.crates));
             ret.push(krate);
             for dep in &krate.deps {
                 if !self.crates.contains_key(dep) {
@@ -1639,10 +1654,10 @@ fn chmod(_path: &Path, _perms: u32) {}
 /// If the test is running and code is an error code, it will cause a panic.
 fn detail_exit(code: i32) -> ! {
     // if in test and code is an error code, panic with status code provided
-    if cfg!(test) && code != 0 {
+    if cfg!(test) {
         panic!("status code: {}", code);
     } else {
-        //otherwise,exit with provided status code
+        // otherwise,exit with provided status code
         std::process::exit(code);
     }
 }