Add rustc book to the build system

Author: steveklabnik

src/bootstrap/builder.rs

@@ -323,15 +323,15 @@ impl<'a> Builder<'a> {
                 test::Cargotest, test::Cargo, test::Rls, test::ErrorIndex, test::Distcheck,
                 test::RunMakeFullDeps,
                 test::Nomicon, test::Reference, test::RustdocBook, test::RustByExample,
-                test::TheBook, test::UnstableBook,
+                test::TheBook, test::UnstableBook, test::RustcBook,
                 test::Rustfmt, test::Miri, test::Clippy, test::RustdocJS, test::RustdocTheme,
                 // Run run-make last, since these won't pass without make on Windows
                 test::RunMake),
             Kind::Bench => describe!(test::Crate, test::CrateLibrustc),
             Kind::Doc => describe!(doc::UnstableBook, doc::UnstableBookGen, doc::TheBook,
                 doc::Standalone, doc::Std, doc::Test, doc::WhitelistedRustc, doc::Rustc,
                 doc::ErrorIndex, doc::Nomicon, doc::Reference, doc::Rustdoc, doc::RustByExample,
-                doc::CargoBook),
+                doc::RustcBook, doc::CargoBook),
             Kind::Dist => describe!(dist::Docs, dist::RustcDocs, dist::Mingw, dist::Rustc,
                 dist::DebuggerScripts, dist::Std, dist::Analysis, dist::Src,
                 dist::PlainSourceTarball, dist::Cargo, dist::Rls, dist::Rustfmt, dist::Extended,

src/bootstrap/doc.rs

@@ -71,6 +71,7 @@ book!(
     Nomicon, "src/doc/nomicon", "nomicon";
     Reference, "src/doc/reference", "reference";
     Rustdoc, "src/doc/rustdoc", "rustdoc";
+    RustcBook, "src/doc/rustc", "rustc";
     RustByExample, "src/doc/rust-by-example", "rust-by-example";
 );
 

src/bootstrap/test.rs

@@ -1121,6 +1121,7 @@ test_book!(
     Nomicon, "src/doc/nomicon", "nomicon", default=false;
     Reference, "src/doc/reference", "reference", default=false;
     RustdocBook, "src/doc/rustdoc", "rustdoc", default=true;
+    RustcBook, "src/doc/rustc", "rustc", default=true;
     RustByExample, "src/doc/rust-by-example", "rust-by-example", default=false;
     TheBook, "src/doc/book", "book", default=false;
     UnstableBook, "src/doc/unstable-book", "unstable-book", default=true;