| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| //! Compilation of native dependencies like LLVM. |
| //! |
| //! Native projects like LLVM unfortunately aren't suited just yet for |
| //! compilation in build scripts that Cargo has. This is because the |
| //! compilation takes a *very* long time but also because we don't want to |
| //! compile LLVM 3 times as part of a normal bootstrap (we want it cached). |
| //! |
| //! LLVM and compiler-rt are essentially just wired up to everything else to |
| //! ensure that they're always in place if needed. |
| |
| use std::env; |
| use std::ffi::OsString; |
| use std::fs::{self, File}; |
| use std::io::{Read, Write}; |
| use std::path::Path; |
| use std::process::Command; |
| |
| use build_helper::output; |
| use cmake; |
| use cc; |
| |
| use Build; |
| use util; |
| use build_helper::up_to_date; |
| use builder::{Builder, RunConfig, ShouldRun, Step}; |
| use cache::Interned; |
| |
| #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)] |
| pub struct Llvm { |
| pub target: Interned<String>, |
| } |
| |
| impl Step for Llvm { |
| type Output = (); |
| const ONLY_HOSTS: bool = true; |
| |
| fn should_run(run: ShouldRun) -> ShouldRun { |
| run.path("src/llvm") |
| } |
| |
| fn make_run(run: RunConfig) { |
| run.builder.ensure(Llvm { target: run.target }) |
| } |
| |
| /// Compile LLVM for `target`. |
| fn run(self, builder: &Builder) { |
| let build = builder.build; |
| let target = self.target; |
| |
| // If we're not compiling for LLVM bail out here. |
| if !build.config.llvm_enabled { |
| return; |
| } |
| |
| // If we're using a custom LLVM bail out here, but we can only use a |
| // custom LLVM for the build triple. |
| if let Some(config) = build.config.target_config.get(&target) { |
| if let Some(ref s) = config.llvm_config { |
| return check_llvm_version(build, s); |
| } |
| } |
| |
| let rebuild_trigger = build.src.join("src/rustllvm/llvm-rebuild-trigger"); |
| let mut rebuild_trigger_contents = String::new(); |
| t!(t!(File::open(&rebuild_trigger)).read_to_string(&mut rebuild_trigger_contents)); |
| |
| let out_dir = build.llvm_out(target); |
| let done_stamp = out_dir.join("llvm-finished-building"); |
| if done_stamp.exists() { |
| let mut done_contents = String::new(); |
| t!(t!(File::open(&done_stamp)).read_to_string(&mut done_contents)); |
| |
| // If LLVM was already built previously and contents of the rebuild-trigger file |
| // didn't change from the previous build, then no action is required. |
| if done_contents == rebuild_trigger_contents { |
| return |
| } |
| } |
| |
| let _folder = build.fold_output(|| "llvm"); |
| println!("Building LLVM for {}", target); |
| let _time = util::timeit(); |
| t!(fs::create_dir_all(&out_dir)); |
| |
| // http://llvm.org/docs/CMake.html |
| let mut cfg = cmake::Config::new(build.src.join("src/llvm")); |
| if build.config.ninja { |
| cfg.generator("Ninja"); |
| } |
| |
| let profile = match (build.config.llvm_optimize, build.config.llvm_release_debuginfo) { |
| (false, _) => "Debug", |
| (true, false) => "Release", |
| (true, true) => "RelWithDebInfo", |
| }; |
| |
| // NOTE: remember to also update `config.toml.example` when changing the defaults! |
| let llvm_targets = match build.config.llvm_targets { |
| Some(ref s) => s, |
| None => "X86;ARM;AArch64;Mips;PowerPC;SystemZ;JSBackend;MSP430;Sparc;NVPTX;Hexagon", |
| }; |
| |
| let llvm_exp_targets = match build.config.llvm_experimental_targets { |
| Some(ref s) => s, |
| None => "", |
| }; |
| |
| let assertions = if build.config.llvm_assertions {"ON"} else {"OFF"}; |
| |
| cfg.target(&target) |
| .host(&build.build) |
| .out_dir(&out_dir) |
| .profile(profile) |
| .define("LLVM_ENABLE_ASSERTIONS", assertions) |
| .define("LLVM_TARGETS_TO_BUILD", llvm_targets) |
| .define("LLVM_EXPERIMENTAL_TARGETS_TO_BUILD", llvm_exp_targets) |
| .define("LLVM_INCLUDE_EXAMPLES", "OFF") |
| .define("LLVM_INCLUDE_TESTS", "OFF") |
| .define("LLVM_INCLUDE_DOCS", "OFF") |
| .define("LLVM_ENABLE_ZLIB", "OFF") |
| .define("WITH_POLLY", "OFF") |
| .define("LLVM_ENABLE_TERMINFO", "OFF") |
| .define("LLVM_ENABLE_LIBEDIT", "OFF") |
| .define("LLVM_PARALLEL_COMPILE_JOBS", build.jobs().to_string()) |
| .define("LLVM_TARGET_ARCH", target.split('-').next().unwrap()) |
| .define("LLVM_DEFAULT_TARGET_TRIPLE", target); |
| |
| |
| // This setting makes the LLVM tools link to the dynamic LLVM library, |
| // which saves both memory during parallel links and overall disk space |
| // for the tools. We don't distribute any of those tools, so this is |
| // just a local concern. However, it doesn't work well everywhere. |
| if target.contains("linux-gnu") || target.contains("apple-darwin") { |
| cfg.define("LLVM_LINK_LLVM_DYLIB", "ON"); |
| } |
| |
| if target.contains("msvc") { |
| cfg.define("LLVM_USE_CRT_DEBUG", "MT"); |
| cfg.define("LLVM_USE_CRT_RELEASE", "MT"); |
| cfg.define("LLVM_USE_CRT_RELWITHDEBINFO", "MT"); |
| cfg.static_crt(true); |
| } |
| |
| if target.starts_with("i686") { |
| cfg.define("LLVM_BUILD_32_BITS", "ON"); |
| } |
| |
| if let Some(num_linkers) = build.config.llvm_link_jobs { |
| if num_linkers > 0 { |
| cfg.define("LLVM_PARALLEL_LINK_JOBS", num_linkers.to_string()); |
| } |
| } |
| |
| // http://llvm.org/docs/HowToCrossCompileLLVM.html |
| if target != build.build { |
| builder.ensure(Llvm { target: build.build }); |
| // FIXME: if the llvm root for the build triple is overridden then we |
| // should use llvm-tblgen from there, also should verify that it |
| // actually exists most of the time in normal installs of LLVM. |
| let host = build.llvm_out(build.build).join("bin/llvm-tblgen"); |
| cfg.define("CMAKE_CROSSCOMPILING", "True") |
| .define("LLVM_TABLEGEN", &host); |
| |
| if target.contains("netbsd") { |
| cfg.define("CMAKE_SYSTEM_NAME", "NetBSD"); |
| } else if target.contains("freebsd") { |
| cfg.define("CMAKE_SYSTEM_NAME", "FreeBSD"); |
| } |
| |
| cfg.define("LLVM_NATIVE_BUILD", build.llvm_out(build.build).join("build")); |
| } |
| |
| let sanitize_cc = |cc: &Path| { |
| if target.contains("msvc") { |
| OsString::from(cc.to_str().unwrap().replace("\\", "/")) |
| } else { |
| cc.as_os_str().to_owned() |
| } |
| }; |
| |
| let configure_compilers = |cfg: &mut cmake::Config| { |
| // MSVC with CMake uses msbuild by default which doesn't respect these |
| // vars that we'd otherwise configure. In that case we just skip this |
| // entirely. |
| if target.contains("msvc") && !build.config.ninja { |
| return |
| } |
| |
| let cc = build.cc(target); |
| let cxx = build.cxx(target).unwrap(); |
| |
| // Handle msvc + ninja + ccache specially (this is what the bots use) |
| if target.contains("msvc") && |
| build.config.ninja && |
| build.config.ccache.is_some() { |
| let mut cc = env::current_exe().expect("failed to get cwd"); |
| cc.set_file_name("sccache-plus-cl.exe"); |
| |
| cfg.define("CMAKE_C_COMPILER", sanitize_cc(&cc)) |
| .define("CMAKE_CXX_COMPILER", sanitize_cc(&cc)); |
| cfg.env("SCCACHE_PATH", |
| build.config.ccache.as_ref().unwrap()) |
| .env("SCCACHE_TARGET", target); |
| |
| // If ccache is configured we inform the build a little differently hwo |
| // to invoke ccache while also invoking our compilers. |
| } else if let Some(ref ccache) = build.config.ccache { |
| cfg.define("CMAKE_C_COMPILER", ccache) |
| .define("CMAKE_C_COMPILER_ARG1", sanitize_cc(cc)) |
| .define("CMAKE_CXX_COMPILER", ccache) |
| .define("CMAKE_CXX_COMPILER_ARG1", sanitize_cc(cxx)); |
| } else { |
| cfg.define("CMAKE_C_COMPILER", sanitize_cc(cc)) |
| .define("CMAKE_CXX_COMPILER", sanitize_cc(cxx)); |
| } |
| |
| cfg.build_arg("-j").build_arg(build.jobs().to_string()); |
| cfg.define("CMAKE_C_FLAGS", build.cflags(target).join(" ")); |
| cfg.define("CMAKE_CXX_FLAGS", build.cflags(target).join(" ")); |
| if let Some(ar) = build.ar(target) { |
| if ar.is_absolute() { |
| // LLVM build breaks if `CMAKE_AR` is a relative path, for some reason it |
| // tries to resolve this path in the LLVM build directory. |
| cfg.define("CMAKE_AR", sanitize_cc(ar)); |
| } |
| } |
| }; |
| |
| configure_compilers(&mut cfg); |
| |
| if env::var_os("SCCACHE_ERROR_LOG").is_some() { |
| cfg.env("RUST_LOG", "sccache=warn"); |
| } |
| |
| // FIXME: we don't actually need to build all LLVM tools and all LLVM |
| // libraries here, e.g. we just want a few components and a few |
| // tools. Figure out how to filter them down and only build the right |
| // tools and libs on all platforms. |
| cfg.build(); |
| |
| t!(t!(File::create(&done_stamp)).write_all(rebuild_trigger_contents.as_bytes())); |
| } |
| } |
| |
| fn check_llvm_version(build: &Build, llvm_config: &Path) { |
| if !build.config.llvm_version_check { |
| return |
| } |
| |
| let mut cmd = Command::new(llvm_config); |
| let version = output(cmd.arg("--version")); |
| if version.starts_with("3.5") || version.starts_with("3.6") || |
| version.starts_with("3.7") { |
| return |
| } |
| panic!("\n\nbad LLVM version: {}, need >=3.5\n\n", version) |
| } |
| |
| #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] |
| pub struct TestHelpers { |
| pub target: Interned<String>, |
| } |
| |
| impl Step for TestHelpers { |
| type Output = (); |
| |
| fn should_run(run: ShouldRun) -> ShouldRun { |
| run.path("src/rt/rust_test_helpers.c") |
| } |
| |
| fn make_run(run: RunConfig) { |
| run.builder.ensure(TestHelpers { target: run.target }) |
| } |
| |
| /// Compiles the `rust_test_helpers.c` library which we used in various |
| /// `run-pass` test suites for ABI testing. |
| fn run(self, builder: &Builder) { |
| let build = builder.build; |
| let target = self.target; |
| let dst = build.test_helpers_out(target); |
| let src = build.src.join("src/rt/rust_test_helpers.c"); |
| if up_to_date(&src, &dst.join("librust_test_helpers.a")) { |
| return |
| } |
| |
| let _folder = build.fold_output(|| "build_test_helpers"); |
| println!("Building test helpers"); |
| t!(fs::create_dir_all(&dst)); |
| let mut cfg = cc::Build::new(); |
| |
| // We may have found various cross-compilers a little differently due to our |
| // extra configuration, so inform gcc of these compilers. Note, though, that |
| // on MSVC we still need gcc's detection of env vars (ugh). |
| if !target.contains("msvc") { |
| if let Some(ar) = build.ar(target) { |
| cfg.archiver(ar); |
| } |
| cfg.compiler(build.cc(target)); |
| } |
| |
| cfg.cargo_metadata(false) |
| .out_dir(&dst) |
| .target(&target) |
| .host(&build.build) |
| .opt_level(0) |
| .warnings(false) |
| .debug(false) |
| .file(build.src.join("src/rt/rust_test_helpers.c")) |
| .compile("librust_test_helpers.a"); |
| } |
| } |
| |
| const OPENSSL_VERS: &'static str = "1.0.2k"; |
| const OPENSSL_SHA256: &'static str = |
| "6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0"; |
| |
| #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)] |
| pub struct Openssl { |
| pub target: Interned<String>, |
| } |
| |
| impl Step for Openssl { |
| type Output = (); |
| |
| fn should_run(run: ShouldRun) -> ShouldRun { |
| run.never() |
| } |
| |
| fn run(self, builder: &Builder) { |
| let build = builder.build; |
| let target = self.target; |
| let out = match build.openssl_dir(target) { |
| Some(dir) => dir, |
| None => return, |
| }; |
| |
| let stamp = out.join(".stamp"); |
| let mut contents = String::new(); |
| drop(File::open(&stamp).and_then(|mut f| f.read_to_string(&mut contents))); |
| if contents == OPENSSL_VERS { |
| return |
| } |
| t!(fs::create_dir_all(&out)); |
| |
| let name = format!("openssl-{}.tar.gz", OPENSSL_VERS); |
| let tarball = out.join(&name); |
| if !tarball.exists() { |
| let tmp = tarball.with_extension("tmp"); |
| // originally from https://www.openssl.org/source/... |
| let url = format!("https://s3-us-west-1.amazonaws.com/rust-lang-ci2/rust-ci-mirror/{}", |
| name); |
| let mut last_error = None; |
| for _ in 0..3 { |
| let status = Command::new("curl") |
| .arg("-o").arg(&tmp) |
| .arg("-f") // make curl fail if the URL does not return HTTP 200 |
| .arg(&url) |
| .status() |
| .expect("failed to spawn curl"); |
| |
| // Retry if download failed. |
| 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", |
| "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", |
| "powerpc64-unknown-linux-gnu" => "linux-ppc64", |
| "powerpc64le-unknown-linux-gnu" => "linux-ppc64le", |
| "s390x-unknown-linux-gnu" => "linux64-s390x", |
| "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-linux-gnu" => "linux-x86_64", |
| "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").current_dir(&obj)); |
| |
| let mut f = t!(File::create(&stamp)); |
| t!(f.write_all(OPENSSL_VERS.as_bytes())); |
| } |
| } |