+ rules.doc("doc-unstable-book-gen", "src/tools/unstable-book-gen")
+ .dep(move |s| {
+ s.name("tool-unstable-book-gen")
+ .host(&build.build)
+ .target(&build.build)
+ .stage(0)
+ })
+ .dep(move |s| s.name("libstd-link"))
+ .default(build.config.docs)
+ .host(true)
+ .run(move |s| doc::unstable_book_gen(build, s.target));