rustbuild: Fix stage1 rustdoc

Just always build stage1 rustdoc, it's really not that much more to build as
it's essentially just one library.

src/bootstrap/build/compile.rs

@@ -141,15 +141,10 @@ pub fn rustc<'a>(build: &'a Build, stage: u32, target: &str,
 
     let mut cargo = build.cargo(stage, compiler, Mode::Librustc, Some(target),
                                 "build");
-    cargo.arg("--features").arg(build.rustc_features(stage))
+    cargo.arg("--features").arg(build.rustc_features())
          .arg("--manifest-path")
          .arg(build.src.join("src/rustc/Cargo.toml"));
 
-    // In stage0 we may not need to build as many executables
-    if stage == 0 {
-        cargo.arg("--bin").arg("rustc");
-    }
-
     // Set some configuration variables picked up by build scripts and
     // the compiler alike
     cargo.env("CFG_RELEASE", &build.release)

src/bootstrap/build/doc.rs

@@ -135,7 +135,7 @@ pub fn rustc(build: &Build, stage: u32, host: &str, out: &Path) {
                                 "doc");
     cargo.arg("--manifest-path")
          .arg(build.src.join("src/rustc/Cargo.toml"))
-         .arg("--features").arg(build.rustc_features(stage));
+         .arg("--features").arg(build.rustc_features());
     build.run(&mut cargo);
     cp_r(&out_dir, out)
 }

src/bootstrap/build/mod.rs

@@ -379,14 +379,11 @@ impl Build {
     }
 
     /// Get the space-separated set of activated features for the compiler.
-    fn rustc_features(&self, stage: u32) -> String {
+    fn rustc_features(&self) -> String {
         let mut features = String::new();
         if self.config.use_jemalloc {
             features.push_str(" jemalloc");
         }
-        if stage > 0 {
-            features.push_str(" rustdoc");
-        }
         return features
     }
 

src/librustdoc/html/render.rs

@@ -1454,7 +1454,7 @@ impl<'a> Item<'a> {
         // has anchors for the line numbers that we're linking to.
         } else if self.item.def_id.is_local() {
             self.cx.local_sources.get(&PathBuf::from(&self.item.source.filename)).map(|path| {
-                format!("{root}src/{krate}/{path}.html#{href}",
+                format!("{root}src/{krate}/{path}#{href}",
                         root = self.cx.root_path,
                         krate = self.cx.layout.krate,
                         path = path,

src/rustc/Cargo.toml

@@ -25,7 +25,7 @@ debug-assertions = false
 [dependencies]
 rustc_back = { path = "../librustc_back" }
 rustc_driver = { path = "../librustc_driver" }
-rustdoc = { path = "../librustdoc", optional = true }
+rustdoc = { path = "../librustdoc" }
 
 [features]
 jemalloc = ["rustc_back/jemalloc"]