rustbuild: Quickly dist cross-host compilers

.travis.yml

@@ -15,9 +15,10 @@ matrix:
     # Linux builders, all docker images
     - env: IMAGE=arm-android
     - env: IMAGE=cross
+    - env: IMAGE=dist-arm-unknown-linux-gnueabi
+    - env: IMAGE=dist-x86_64-unknown-freebsd
     - env: IMAGE=i686-gnu
     - env: IMAGE=i686-gnu-nopt
-    - env: IMAGE=x86_64-freebsd
     - env: IMAGE=x86_64-gnu
     - env: IMAGE=x86_64-gnu-full-bootstrap
     - env: IMAGE=x86_64-gnu-aux

src/bootstrap/Cargo.toml

@@ -6,18 +6,22 @@ version = "0.0.0"
 [lib]
 name = "bootstrap"
 path = "lib.rs"
+doctest = false
 
 [[bin]]
 name = "bootstrap"
 path = "bin/main.rs"
+test = false
 
 [[bin]]
 name = "rustc"
 path = "bin/rustc.rs"
+test = false
 
 [[bin]]
 name = "rustdoc"
 path = "bin/rustdoc.rs"
+test = false
 
 [dependencies]
 build_helper = { path = "../build_helper" }

src/bootstrap/check.rs

@@ -568,3 +568,14 @@ pub fn distcheck(build: &Build) {
                      .arg("check")
                      .current_dir(&dir));
 }
+
+/// Test the build system itself
+pub fn bootstrap(build: &Build) {
+    let mut cmd = Command::new(&build.cargo);
+    cmd.arg("test")
+       .current_dir(build.src.join("src/bootstrap"))
+       .env("CARGO_TARGET_DIR", build.out.join("bootstrap"))
+       .env("RUSTC", &build.rustc);
+    cmd.arg("--").args(&build.flags.cmd.test_args());
+    build.run(&mut cmd);
+}

src/bootstrap/dist.rs

@@ -354,14 +354,9 @@ pub fn analysis(build: &Build, compiler: &Compiler, target: &str) {
 }
 
 /// Creates the `rust-src` installer component and the plain source tarball
-pub fn rust_src(build: &Build, host: &str) {
+pub fn rust_src(build: &Build) {
     println!("Dist src");
 
-    if host != build.config.build {
-        println!("\tskipping, not a build host");
-        return
-    }
-
     let plain_name = format!("rustc-{}-src", package_vers(build));
     let name = format!("rust-src-{}", package_vers(build));
     let image = tmpdir(build).join(format!("{}-image", name));

src/bootstrap/doc.rs

@@ -57,12 +57,12 @@ pub fn rustbook(build: &Build, target: &str, name: &str) {
 /// `STAMP` alongw ith providing the various header/footer HTML we've cutomized.
 ///
 /// In the end, this is just a glorified wrapper around rustdoc!
-pub fn standalone(build: &Build, stage: u32, target: &str) {
-    println!("Documenting stage{} standalone ({})", stage, target);
+pub fn standalone(build: &Build, target: &str) {
+    println!("Documenting standalone ({})", target);
     let out = build.doc_out(target);
     t!(fs::create_dir_all(&out));
 
-    let compiler = Compiler::new(stage, &build.config.build);
+    let compiler = Compiler::new(0, &build.config.build);
 
     let favicon = build.src.join("src/doc/favicon.inc");
     let footer = build.src.join("src/doc/footer.inc");