Auto merge of #38499 - alexcrichton:rollup, r=alexcrichton

Rollup of 29 pull requests

- Successful merges: #37761, #38006, #38131, #38150, #38158, #38171, #38208, #38215, #38236, #38245, #38289, #38302, #38315, #38346, #38388, #38395, #38398, #38418, #38432, #38451, #38463, #38468, #38470, #38471, #38472, #38478, #38486, #38493, #38498
- Failed merges: #38271, #38483

Author: bors

mk/main.mk

@@ -13,7 +13,7 @@
 ######################################################################
 
 # The version number
-CFG_RELEASE_NUM=1.15.0
+CFG_RELEASE_NUM=1.16.0
 
 # An optional number to put after the label, e.g. '.2' -> '-beta.2'
 # NB Make sure it starts with a dot to conform to semver pre-release

src/Cargo.lock

@@ -25,6 +25,8 @@
 //! switching compilers for the bootstrap and for build scripts will probably
 //! never get replaced.
 
+#![deny(warnings)]
+
 extern crate bootstrap;
 
 use std::env;

src/bootstrap/bin/rustc.rs

@@ -12,6 +12,8 @@
 //!
 //! See comments in `src/bootstrap/rustc.rs` for more information.
 
+#![deny(warnings)]
+
 extern crate bootstrap;
 
 use std::env;

src/bootstrap/bin/rustdoc.rs

@@ -81,7 +81,7 @@ def verify(path, sha_path, verbose):
     with open(path, "rb") as f:
         found = hashlib.sha256(f.read()).hexdigest()
     with open(sha_path, "r") as f:
-        expected, _ = f.readline().split()
+        expected = f.readline().split()[0]
     verified = found == expected
     if not verified:
         print("invalid checksum:\n"
@@ -146,7 +146,7 @@ class RustBuild(object):
     def download_stage0(self):
         cache_dst = os.path.join(self.build_dir, "cache")
         rustc_cache = os.path.join(cache_dst, self.stage0_rustc_date())
-        cargo_cache = os.path.join(cache_dst, self.stage0_cargo_date())
+        cargo_cache = os.path.join(cache_dst, self.stage0_cargo_rev())
         if not os.path.exists(rustc_cache):
             os.makedirs(rustc_cache)
         if not os.path.exists(cargo_cache):
@@ -179,21 +179,17 @@ def download_stage0(self):
         if self.cargo().startswith(self.bin_root()) and \
                 (not os.path.exists(self.cargo()) or self.cargo_out_of_date()):
             self.print_what_it_means_to_bootstrap()
-            channel = self.stage0_cargo_channel()
-            filename = "cargo-{}-{}.tar.gz".format(channel, self.build)
-            url = "https://static.rust-lang.org/cargo-dist/" + self.stage0_cargo_date()
+            filename = "cargo-nightly-{}.tar.gz".format(self.build)
+            url = "https://s3.amazonaws.com/rust-lang-ci/cargo-builds/" + self.stage0_cargo_rev()
             tarball = os.path.join(cargo_cache, filename)
             if not os.path.exists(tarball):
                 get("{}/{}".format(url, filename), tarball, verbose=self.verbose)
             unpack(tarball, self.bin_root(), match="cargo", verbose=self.verbose)
             with open(self.cargo_stamp(), 'w') as f:
-                f.write(self.stage0_cargo_date())
+                f.write(self.stage0_cargo_rev())
 
-    def stage0_cargo_date(self):
-        return self._cargo_date
-
-    def stage0_cargo_channel(self):
-        return self._cargo_channel
+    def stage0_cargo_rev(self):
+        return self._cargo_rev
 
     def stage0_rustc_date(self):
         return self._rustc_date
@@ -217,7 +213,7 @@ def cargo_out_of_date(self):
         if not os.path.exists(self.cargo_stamp()) or self.clean:
             return True
         with open(self.cargo_stamp(), 'r') as f:
-            return self.stage0_cargo_date() != f.read()
+            return self.stage0_cargo_rev() != f.read()
 
     def bin_root(self):
         return os.path.join(self.build_dir, self.build, "stage0")
@@ -469,7 +465,7 @@ def main():
 
     data = stage0_data(rb.rust_root)
     rb._rustc_channel, rb._rustc_date = data['rustc'].split('-', 1)
-    rb._cargo_channel, rb._cargo_date = data['cargo'].split('-', 1)
+    rb._cargo_rev = data['cargo']
 
     start_time = time()
 

src/bootstrap/bootstrap.py

@@ -13,6 +13,8 @@
 //! This file implements the various regression test suites that we execute on
 //! our CI.
 
+extern crate build_helper;
+
 use std::collections::HashSet;
 use std::env;
 use std::fmt;
@@ -543,7 +545,7 @@ pub fn distcheck(build: &Build) {
     build.run(&mut cmd);
     build.run(Command::new("./configure")
                      .current_dir(&dir));
-    build.run(Command::new("make")
+    build.run(Command::new(build_helper::make(&build.config.build))
                      .arg("check")
                      .current_dir(&dir));
 }

src/bootstrap/check.rs

@@ -113,6 +113,7 @@ pub struct Target {
 #[derive(RustcDecodable, Default)]
 struct TomlConfig {
     build: Option<Build>,
+    install: Option<Install>,
     llvm: Option<Llvm>,
     rust: Option<Rust>,
     target: Option<HashMap<String, TomlTarget>>,
@@ -135,6 +136,12 @@ struct Build {
     python: Option<String>,
 }
 
+/// TOML representation of various global install decisions.
+#[derive(RustcDecodable, Default, Clone)]
+struct Install {
+    prefix: Option<String>,
+}
+
 /// TOML representation of how the LLVM build is configured.
 #[derive(RustcDecodable, Default)]
 struct Llvm {
@@ -258,6 +265,10 @@ impl Config {
         set(&mut config.submodules, build.submodules);
         set(&mut config.vendor, build.vendor);
 
+        if let Some(ref install) = toml.install {
+            config.prefix = install.prefix.clone();
+        }
+
         if let Some(ref llvm) = toml.llvm {
             match llvm.ccache {
                 Some(StringOrBool::String(ref s)) => {
@@ -275,6 +286,7 @@ impl Config {
             set(&mut config.llvm_version_check, llvm.version_check);
             set(&mut config.llvm_static_stdcpp, llvm.static_libstdcpp);
         }
+
         if let Some(ref rust) = toml.rust {
             set(&mut config.rust_debug_assertions, rust.debug_assertions);
             set(&mut config.rust_debuginfo, rust.debuginfo);

src/bootstrap/config.rs

@@ -100,6 +100,14 @@
 # Indicate whether the vendored sources are used for Rust dependencies or not
 #vendor = false
 
+# =============================================================================
+# General install configuration options
+# =============================================================================
+[install]
+
+# Instead of installing to /usr/local, install to this path instead.
+#prefix = "/path/to/install"
+
 # =============================================================================
 # Options for compiling Rust code itself
 # =============================================================================

src/bootstrap/config.toml.example

@@ -346,8 +346,14 @@ 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) {
+pub fn rust_src(build: &Build, host: &str) {
     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/dist.rs

@@ -280,7 +280,7 @@ To learn more about a subcommand, run `./x.py <command> -h`
 
         Flags {
             verbose: m.opt_count("v"),
-            stage: m.opt_str("stage").map(|j| j.parse().unwrap()),
+            stage: stage,
             keep_stage: m.opt_str("keep-stage").map(|j| j.parse().unwrap()),
             build: m.opt_str("build").unwrap_or_else(|| {
                 env::var("BUILD").unwrap()