30437237a8
We explicitly do this when compiling OpenSSL itself due to weird racy issues in its build system, and now we've started seeing issues in the `make install` step so let's try and see what ratcheting down the parallelism does here...
605 lines
22 KiB
Rust
605 lines
22 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Compilation of native dependencies like LLVM.
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//!
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//! Native projects like LLVM unfortunately aren't suited just yet for
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//! compilation in build scripts that Cargo has. This is because the
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//! compilation takes a *very* long time but also because we don't want to
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//! compile LLVM 3 times as part of a normal bootstrap (we want it cached).
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//!
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//! LLVM and compiler-rt are essentially just wired up to everything else to
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//! ensure that they're always in place if needed.
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use std::env;
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use std::ffi::OsString;
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use std::fs::{self, File};
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use std::io::{Read, Write};
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use std::path::{Path, PathBuf};
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use std::process::Command;
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use build_helper::output;
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use cmake;
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use cc;
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use Build;
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use util::{self, exe};
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use build_helper::up_to_date;
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use builder::{Builder, RunConfig, ShouldRun, Step};
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use cache::Interned;
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#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
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pub struct Llvm {
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pub target: Interned<String>,
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pub emscripten: bool,
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}
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impl Step for Llvm {
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type Output = PathBuf; // path to llvm-config
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const ONLY_HOSTS: bool = true;
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fn should_run(run: ShouldRun) -> ShouldRun {
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run.path("src/llvm").path("src/llvm-emscripten")
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}
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fn make_run(run: RunConfig) {
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let emscripten = run.path.ends_with("llvm-emscripten");
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run.builder.ensure(Llvm {
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target: run.target,
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emscripten,
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});
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}
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/// Compile LLVM for `target`.
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fn run(self, builder: &Builder) -> PathBuf {
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let build = builder.build;
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let target = self.target;
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let emscripten = self.emscripten;
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// If we're using a custom LLVM bail out here, but we can only use a
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// custom LLVM for the build triple.
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if !self.emscripten {
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if let Some(config) = build.config.target_config.get(&target) {
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if let Some(ref s) = config.llvm_config {
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check_llvm_version(build, s);
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return s.to_path_buf()
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}
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}
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}
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let rebuild_trigger = build.src.join("src/rustllvm/llvm-rebuild-trigger");
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let mut rebuild_trigger_contents = String::new();
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t!(t!(File::open(&rebuild_trigger)).read_to_string(&mut rebuild_trigger_contents));
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let (out_dir, llvm_config_ret_dir) = if emscripten {
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let dir = build.emscripten_llvm_out(target);
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let config_dir = dir.join("bin");
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(dir, config_dir)
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} else {
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let mut dir = build.llvm_out(build.config.build);
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if !build.config.build.contains("msvc") || build.config.ninja {
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dir.push("build");
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}
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(build.llvm_out(target), dir.join("bin"))
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};
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let done_stamp = out_dir.join("llvm-finished-building");
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let build_llvm_config = llvm_config_ret_dir
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.join(exe("llvm-config", &*build.config.build));
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if done_stamp.exists() {
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let mut done_contents = String::new();
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t!(t!(File::open(&done_stamp)).read_to_string(&mut done_contents));
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// If LLVM was already built previously and contents of the rebuild-trigger file
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// didn't change from the previous build, then no action is required.
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if done_contents == rebuild_trigger_contents {
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return build_llvm_config
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}
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}
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let _folder = build.fold_output(|| "llvm");
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let descriptor = if emscripten { "Emscripten " } else { "" };
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println!("Building {}LLVM for {}", descriptor, target);
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let _time = util::timeit();
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t!(fs::create_dir_all(&out_dir));
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// http://llvm.org/docs/CMake.html
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let root = if self.emscripten { "src/llvm-emscripten" } else { "src/llvm" };
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let mut cfg = cmake::Config::new(build.src.join(root));
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let profile = match (build.config.llvm_optimize, build.config.llvm_release_debuginfo) {
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(false, _) => "Debug",
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(true, false) => "Release",
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(true, true) => "RelWithDebInfo",
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};
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// NOTE: remember to also update `config.toml.example` when changing the
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// defaults!
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let llvm_targets = if self.emscripten {
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"JSBackend"
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} else {
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match build.config.llvm_targets {
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Some(ref s) => s,
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None => "X86;ARM;AArch64;Mips;PowerPC;SystemZ;MSP430;Sparc;NVPTX;Hexagon",
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}
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};
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let llvm_exp_targets = if self.emscripten {
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""
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} else {
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&build.config.llvm_experimental_targets[..]
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};
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let assertions = if build.config.llvm_assertions {"ON"} else {"OFF"};
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cfg.out_dir(&out_dir)
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.profile(profile)
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.define("LLVM_ENABLE_ASSERTIONS", assertions)
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.define("LLVM_TARGETS_TO_BUILD", llvm_targets)
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.define("LLVM_EXPERIMENTAL_TARGETS_TO_BUILD", llvm_exp_targets)
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.define("LLVM_INCLUDE_EXAMPLES", "OFF")
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.define("LLVM_INCLUDE_TESTS", "OFF")
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.define("LLVM_INCLUDE_DOCS", "OFF")
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.define("LLVM_ENABLE_ZLIB", "OFF")
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.define("WITH_POLLY", "OFF")
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.define("LLVM_ENABLE_TERMINFO", "OFF")
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.define("LLVM_ENABLE_LIBEDIT", "OFF")
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.define("LLVM_PARALLEL_COMPILE_JOBS", build.jobs().to_string())
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.define("LLVM_TARGET_ARCH", target.split('-').next().unwrap())
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.define("LLVM_DEFAULT_TARGET_TRIPLE", target);
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// By default, LLVM will automatically find OCaml and, if it finds it,
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// install the LLVM bindings in LLVM_OCAML_INSTALL_PATH, which defaults
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// to /usr/bin/ocaml.
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// This causes problem for non-root builds of Rust. Side-step the issue
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// by setting LLVM_OCAML_INSTALL_PATH to a relative path, so it installs
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// in the prefix.
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cfg.define("LLVM_OCAML_INSTALL_PATH",
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env::var_os("LLVM_OCAML_INSTALL_PATH").unwrap_or_else(|| "usr/lib/ocaml".into()));
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// This setting makes the LLVM tools link to the dynamic LLVM library,
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// which saves both memory during parallel links and overall disk space
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// for the tools. We don't distribute any of those tools, so this is
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// just a local concern. However, it doesn't work well everywhere.
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if target.contains("linux-gnu") || target.contains("apple-darwin") {
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cfg.define("LLVM_LINK_LLVM_DYLIB", "ON");
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}
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if target.contains("msvc") {
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cfg.define("LLVM_USE_CRT_DEBUG", "MT");
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cfg.define("LLVM_USE_CRT_RELEASE", "MT");
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cfg.define("LLVM_USE_CRT_RELWITHDEBINFO", "MT");
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cfg.static_crt(true);
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}
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if target.starts_with("i686") {
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cfg.define("LLVM_BUILD_32_BITS", "ON");
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}
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if let Some(num_linkers) = build.config.llvm_link_jobs {
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if num_linkers > 0 {
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cfg.define("LLVM_PARALLEL_LINK_JOBS", num_linkers.to_string());
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}
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}
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// http://llvm.org/docs/HowToCrossCompileLLVM.html
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if target != build.build && !emscripten {
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builder.ensure(Llvm {
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target: build.build,
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emscripten: false,
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});
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// FIXME: if the llvm root for the build triple is overridden then we
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// should use llvm-tblgen from there, also should verify that it
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// actually exists most of the time in normal installs of LLVM.
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let host = build.llvm_out(build.build).join("bin/llvm-tblgen");
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cfg.define("CMAKE_CROSSCOMPILING", "True")
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.define("LLVM_TABLEGEN", &host);
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if target.contains("netbsd") {
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cfg.define("CMAKE_SYSTEM_NAME", "NetBSD");
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} else if target.contains("freebsd") {
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cfg.define("CMAKE_SYSTEM_NAME", "FreeBSD");
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}
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cfg.define("LLVM_NATIVE_BUILD", build.llvm_out(build.build).join("build"));
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}
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configure_cmake(build, target, &mut cfg, false);
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// FIXME: we don't actually need to build all LLVM tools and all LLVM
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// libraries here, e.g. we just want a few components and a few
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// tools. Figure out how to filter them down and only build the right
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// tools and libs on all platforms.
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cfg.build();
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t!(t!(File::create(&done_stamp)).write_all(rebuild_trigger_contents.as_bytes()));
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build_llvm_config
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}
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}
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fn check_llvm_version(build: &Build, llvm_config: &Path) {
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if !build.config.llvm_version_check {
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return
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}
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let mut cmd = Command::new(llvm_config);
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let version = output(cmd.arg("--version"));
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let mut parts = version.split('.').take(2)
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.filter_map(|s| s.parse::<u32>().ok());
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if let (Some(major), Some(minor)) = (parts.next(), parts.next()) {
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if major > 3 || (major == 3 && minor >= 9) {
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return
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}
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}
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panic!("\n\nbad LLVM version: {}, need >=3.9\n\n", version)
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}
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fn configure_cmake(build: &Build,
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target: Interned<String>,
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cfg: &mut cmake::Config,
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building_dist_binaries: bool) {
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if build.config.ninja {
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cfg.generator("Ninja");
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}
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cfg.target(&target)
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.host(&build.config.build);
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let sanitize_cc = |cc: &Path| {
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if target.contains("msvc") {
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OsString::from(cc.to_str().unwrap().replace("\\", "/"))
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} else {
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cc.as_os_str().to_owned()
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}
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};
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// MSVC with CMake uses msbuild by default which doesn't respect these
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// vars that we'd otherwise configure. In that case we just skip this
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// entirely.
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if target.contains("msvc") && !build.config.ninja {
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return
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}
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let cc = build.cc(target);
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let cxx = build.cxx(target).unwrap();
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// Handle msvc + ninja + ccache specially (this is what the bots use)
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if target.contains("msvc") &&
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build.config.ninja &&
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build.config.ccache.is_some() {
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let mut cc = env::current_exe().expect("failed to get cwd");
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cc.set_file_name("sccache-plus-cl.exe");
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cfg.define("CMAKE_C_COMPILER", sanitize_cc(&cc))
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.define("CMAKE_CXX_COMPILER", sanitize_cc(&cc));
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cfg.env("SCCACHE_PATH",
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build.config.ccache.as_ref().unwrap())
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.env("SCCACHE_TARGET", target);
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// If ccache is configured we inform the build a little differently hwo
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// to invoke ccache while also invoking our compilers.
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} else if let Some(ref ccache) = build.config.ccache {
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cfg.define("CMAKE_C_COMPILER", ccache)
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.define("CMAKE_C_COMPILER_ARG1", sanitize_cc(cc))
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.define("CMAKE_CXX_COMPILER", ccache)
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.define("CMAKE_CXX_COMPILER_ARG1", sanitize_cc(cxx));
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} else {
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cfg.define("CMAKE_C_COMPILER", sanitize_cc(cc))
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.define("CMAKE_CXX_COMPILER", sanitize_cc(cxx));
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}
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cfg.build_arg("-j").build_arg(build.jobs().to_string());
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cfg.define("CMAKE_C_FLAGS", build.cflags(target).join(" "));
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let mut cxxflags = build.cflags(target).join(" ");
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if building_dist_binaries {
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if build.config.llvm_static_stdcpp && !target.contains("windows") {
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cxxflags.push_str(" -static-libstdc++");
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}
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}
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cfg.define("CMAKE_CXX_FLAGS", cxxflags);
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if let Some(ar) = build.ar(target) {
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if ar.is_absolute() {
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// LLVM build breaks if `CMAKE_AR` is a relative path, for some reason it
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// tries to resolve this path in the LLVM build directory.
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cfg.define("CMAKE_AR", sanitize_cc(ar));
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}
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}
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if env::var_os("SCCACHE_ERROR_LOG").is_some() {
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cfg.env("RUST_LOG", "sccache=warn");
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}
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}
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#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
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pub struct Lld {
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pub target: Interned<String>,
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}
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impl Step for Lld {
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type Output = PathBuf;
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const ONLY_HOSTS: bool = true;
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fn should_run(run: ShouldRun) -> ShouldRun {
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run.path("src/tools/lld")
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}
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fn make_run(run: RunConfig) {
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run.builder.ensure(Lld { target: run.target });
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}
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/// Compile LLVM for `target`.
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fn run(self, builder: &Builder) -> PathBuf {
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let target = self.target;
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let build = builder.build;
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let llvm_config = builder.ensure(Llvm {
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target: self.target,
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emscripten: false,
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});
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let out_dir = build.lld_out(target);
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let done_stamp = out_dir.join("lld-finished-building");
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if done_stamp.exists() {
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return out_dir
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}
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let _folder = build.fold_output(|| "lld");
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println!("Building LLD for {}", target);
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let _time = util::timeit();
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t!(fs::create_dir_all(&out_dir));
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let mut cfg = cmake::Config::new(build.src.join("src/tools/lld"));
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configure_cmake(build, target, &mut cfg, true);
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cfg.out_dir(&out_dir)
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.profile("Release")
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.define("LLVM_CONFIG_PATH", llvm_config)
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.define("LLVM_INCLUDE_TESTS", "OFF");
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cfg.build();
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t!(File::create(&done_stamp));
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out_dir
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}
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}
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#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
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pub struct TestHelpers {
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pub target: Interned<String>,
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}
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impl Step for TestHelpers {
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type Output = ();
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fn should_run(run: ShouldRun) -> ShouldRun {
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run.path("src/test/auxiliary/rust_test_helpers.c")
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}
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fn make_run(run: RunConfig) {
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run.builder.ensure(TestHelpers { target: run.target })
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}
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/// Compiles the `rust_test_helpers.c` library which we used in various
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/// `run-pass` test suites for ABI testing.
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fn run(self, builder: &Builder) {
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let build = builder.build;
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let target = self.target;
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let dst = build.test_helpers_out(target);
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let src = build.src.join("src/test/auxiliary/rust_test_helpers.c");
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if up_to_date(&src, &dst.join("librust_test_helpers.a")) {
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return
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}
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let _folder = build.fold_output(|| "build_test_helpers");
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println!("Building test helpers");
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t!(fs::create_dir_all(&dst));
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let mut cfg = cc::Build::new();
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// We may have found various cross-compilers a little differently due to our
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// extra configuration, so inform gcc of these compilers. Note, though, that
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// on MSVC we still need gcc's detection of env vars (ugh).
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if !target.contains("msvc") {
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if let Some(ar) = build.ar(target) {
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cfg.archiver(ar);
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}
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cfg.compiler(build.cc(target));
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}
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cfg.cargo_metadata(false)
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.out_dir(&dst)
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.target(&target)
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.host(&build.build)
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.opt_level(0)
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.warnings(false)
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.debug(false)
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.file(build.src.join("src/test/auxiliary/rust_test_helpers.c"))
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.compile("rust_test_helpers");
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}
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}
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const OPENSSL_VERS: &'static str = "1.0.2n";
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const OPENSSL_SHA256: &'static str =
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"370babb75f278c39e0c50e8c4e7493bc0f18db6867478341a832a982fd15a8fe";
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#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
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pub struct Openssl {
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pub target: Interned<String>,
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}
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impl Step for Openssl {
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type Output = ();
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|
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fn should_run(run: ShouldRun) -> ShouldRun {
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run.never()
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}
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fn run(self, builder: &Builder) {
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let build = builder.build;
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let target = self.target;
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let out = match build.openssl_dir(target) {
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Some(dir) => dir,
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None => return,
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};
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let stamp = out.join(".stamp");
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let mut contents = String::new();
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drop(File::open(&stamp).and_then(|mut f| f.read_to_string(&mut contents)));
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if contents == OPENSSL_VERS {
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return
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}
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t!(fs::create_dir_all(&out));
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let name = format!("openssl-{}.tar.gz", OPENSSL_VERS);
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let tarball = out.join(&name);
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if !tarball.exists() {
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let tmp = tarball.with_extension("tmp");
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// originally from https://www.openssl.org/source/...
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let url = format!("https://s3-us-west-1.amazonaws.com/rust-lang-ci2/rust-ci-mirror/{}",
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name);
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let mut last_error = None;
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for _ in 0..3 {
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let status = Command::new("curl")
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.arg("-o").arg(&tmp)
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.arg("-f") // make curl fail if the URL does not return HTTP 200
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.arg(&url)
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.status()
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.expect("failed to spawn curl");
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|
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// Retry if download failed.
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|
if !status.success() {
|
|
last_error = Some(status.to_string());
|
|
continue;
|
|
}
|
|
|
|
// Ensure the hash is correct.
|
|
let mut shasum = if target.contains("apple") || build.build.contains("netbsd") {
|
|
let mut cmd = Command::new("shasum");
|
|
cmd.arg("-a").arg("256");
|
|
cmd
|
|
} else {
|
|
Command::new("sha256sum")
|
|
};
|
|
let output = output(&mut shasum.arg(&tmp));
|
|
let found = output.split_whitespace().next().unwrap();
|
|
|
|
// If the hash is wrong, probably the download is incomplete or S3 served an error
|
|
// page. In any case, retry.
|
|
if found != OPENSSL_SHA256 {
|
|
last_error = Some(format!(
|
|
"downloaded openssl sha256 different\n\
|
|
expected: {}\n\
|
|
found: {}\n",
|
|
OPENSSL_SHA256,
|
|
found
|
|
));
|
|
continue;
|
|
}
|
|
|
|
// Everything is fine, so exit the retry loop.
|
|
last_error = None;
|
|
break;
|
|
}
|
|
if let Some(error) = last_error {
|
|
panic!("failed to download openssl source: {}", error);
|
|
}
|
|
t!(fs::rename(&tmp, &tarball));
|
|
}
|
|
let obj = out.join(format!("openssl-{}", OPENSSL_VERS));
|
|
let dst = build.openssl_install_dir(target).unwrap();
|
|
drop(fs::remove_dir_all(&obj));
|
|
drop(fs::remove_dir_all(&dst));
|
|
build.run(Command::new("tar").arg("zxf").arg(&tarball).current_dir(&out));
|
|
|
|
let mut configure = Command::new("perl");
|
|
configure.arg(obj.join("Configure"));
|
|
configure.arg(format!("--prefix={}", dst.display()));
|
|
configure.arg("no-dso");
|
|
configure.arg("no-ssl2");
|
|
configure.arg("no-ssl3");
|
|
|
|
let os = match &*target {
|
|
"aarch64-linux-android" => "linux-aarch64",
|
|
"aarch64-unknown-linux-gnu" => "linux-aarch64",
|
|
"aarch64-unknown-linux-musl" => "linux-aarch64",
|
|
"arm-linux-androideabi" => "android",
|
|
"arm-unknown-linux-gnueabi" => "linux-armv4",
|
|
"arm-unknown-linux-gnueabihf" => "linux-armv4",
|
|
"armv7-linux-androideabi" => "android-armv7",
|
|
"armv7-unknown-linux-gnueabihf" => "linux-armv4",
|
|
"i586-unknown-linux-gnu" => "linux-elf",
|
|
"i586-unknown-linux-musl" => "linux-elf",
|
|
"i686-apple-darwin" => "darwin-i386-cc",
|
|
"i686-linux-android" => "android-x86",
|
|
"i686-unknown-freebsd" => "BSD-x86-elf",
|
|
"i686-unknown-linux-gnu" => "linux-elf",
|
|
"i686-unknown-linux-musl" => "linux-elf",
|
|
"i686-unknown-netbsd" => "BSD-x86-elf",
|
|
"mips-unknown-linux-gnu" => "linux-mips32",
|
|
"mips64-unknown-linux-gnuabi64" => "linux64-mips64",
|
|
"mips64el-unknown-linux-gnuabi64" => "linux64-mips64",
|
|
"mipsel-unknown-linux-gnu" => "linux-mips32",
|
|
"powerpc-unknown-linux-gnu" => "linux-ppc",
|
|
"powerpc-unknown-linux-gnuspe" => "linux-ppc",
|
|
"powerpc-unknown-netbsd" => "BSD-generic32",
|
|
"powerpc64-unknown-linux-gnu" => "linux-ppc64",
|
|
"powerpc64le-unknown-linux-gnu" => "linux-ppc64le",
|
|
"s390x-unknown-linux-gnu" => "linux64-s390x",
|
|
"sparc-unknown-linux-gnu" => "linux-sparcv9",
|
|
"sparc64-unknown-linux-gnu" => "linux64-sparcv9",
|
|
"sparc64-unknown-netbsd" => "BSD-sparc64",
|
|
"x86_64-apple-darwin" => "darwin64-x86_64-cc",
|
|
"x86_64-linux-android" => "linux-x86_64",
|
|
"x86_64-unknown-freebsd" => "BSD-x86_64",
|
|
"x86_64-unknown-dragonfly" => "BSD-x86_64",
|
|
"x86_64-unknown-linux-gnu" => "linux-x86_64",
|
|
"x86_64-unknown-linux-gnux32" => "linux-x32",
|
|
"x86_64-unknown-linux-musl" => "linux-x86_64",
|
|
"x86_64-unknown-netbsd" => "BSD-x86_64",
|
|
_ => panic!("don't know how to configure OpenSSL for {}", target),
|
|
};
|
|
configure.arg(os);
|
|
configure.env("CC", build.cc(target));
|
|
for flag in build.cflags(target) {
|
|
configure.arg(flag);
|
|
}
|
|
// There is no specific os target for android aarch64 or x86_64,
|
|
// so we need to pass some extra cflags
|
|
if target == "aarch64-linux-android" || target == "x86_64-linux-android" {
|
|
configure.arg("-mandroid");
|
|
configure.arg("-fomit-frame-pointer");
|
|
}
|
|
if target == "sparc64-unknown-netbsd" {
|
|
// Need -m64 to get assembly generated correctly for sparc64.
|
|
configure.arg("-m64");
|
|
if build.build.contains("netbsd") {
|
|
// Disable sparc64 asm on NetBSD builders, it uses
|
|
// m4(1)'s -B flag, which NetBSD m4 does not support.
|
|
configure.arg("no-asm");
|
|
}
|
|
}
|
|
// Make PIE binaries
|
|
// Non-PIE linker support was removed in Lollipop
|
|
// https://source.android.com/security/enhancements/enhancements50
|
|
if target == "i686-linux-android" {
|
|
configure.arg("no-asm");
|
|
}
|
|
configure.current_dir(&obj);
|
|
println!("Configuring openssl for {}", target);
|
|
build.run_quiet(&mut configure);
|
|
println!("Building openssl for {}", target);
|
|
build.run_quiet(Command::new("make").arg("-j1").current_dir(&obj));
|
|
println!("Installing openssl for {}", target);
|
|
build.run_quiet(Command::new("make").arg("install").arg("-j1").current_dir(&obj));
|
|
|
|
let mut f = t!(File::create(&stamp));
|
|
t!(f.write_all(OPENSSL_VERS.as_bytes()));
|
|
}
|
|
}
|