| //! Serialized configuration of a build. |
| //! |
| //! This module implements parsing `config.toml` configuration files to tweak |
| //! how the build runs. |
| |
| use std::cmp; |
| use std::collections::{HashMap, HashSet}; |
| use std::env; |
| use std::ffi::OsString; |
| use std::fs; |
| use std::path::{Path, PathBuf}; |
| use std::process; |
| |
| use crate::cache::{Interned, INTERNER}; |
| use crate::flags::Flags; |
| pub use crate::flags::Subcommand; |
| use build_helper::t; |
| use serde::Deserialize; |
| use toml; |
| |
| /// Global configuration for the entire build and/or bootstrap. |
| /// |
| /// This structure is derived from a combination of both `config.toml` and |
| /// `config.mk`. As of the time of this writing it's unlikely that `config.toml` |
| /// is used all that much, so this is primarily filled out by `config.mk` which |
| /// is generated from `./configure`. |
| /// |
| /// Note that this structure is not decoded directly into, but rather it is |
| /// filled out from the decoded forms of the structs below. For documentation |
| /// each field, see the corresponding fields in |
| /// `config.toml.example`. |
| #[derive(Default)] |
| pub struct Config { |
| pub ccache: Option<String>, |
| pub ninja: bool, |
| pub verbose: usize, |
| pub submodules: bool, |
| pub fast_submodules: bool, |
| pub compiler_docs: bool, |
| pub docs: bool, |
| pub locked_deps: bool, |
| pub vendor: bool, |
| pub target_config: HashMap<Interned<String>, Target>, |
| pub full_bootstrap: bool, |
| pub extended: bool, |
| pub tools: Option<HashSet<String>>, |
| pub sanitizers: bool, |
| pub profiler: bool, |
| pub ignore_git: bool, |
| pub exclude: Vec<PathBuf>, |
| pub rustc_error_format: Option<String>, |
| pub test_compare_mode: bool, |
| pub llvm_libunwind: bool, |
| |
| pub skip_only_host_steps: bool, |
| |
| pub on_fail: Option<String>, |
| pub stage: Option<u32>, |
| pub keep_stage: Vec<u32>, |
| pub src: PathBuf, |
| pub jobs: Option<u32>, |
| pub cmd: Subcommand, |
| pub incremental: bool, |
| pub dry_run: bool, |
| |
| pub deny_warnings: bool, |
| pub backtrace_on_ice: bool, |
| |
| // llvm codegen options |
| pub llvm_skip_rebuild: bool, |
| pub llvm_assertions: bool, |
| pub llvm_optimize: bool, |
| pub llvm_thin_lto: bool, |
| pub llvm_release_debuginfo: bool, |
| pub llvm_version_check: bool, |
| pub llvm_static_stdcpp: bool, |
| pub llvm_link_shared: bool, |
| pub llvm_clang_cl: Option<String>, |
| pub llvm_targets: Option<String>, |
| pub llvm_experimental_targets: Option<String>, |
| pub llvm_link_jobs: Option<u32>, |
| pub llvm_version_suffix: Option<String>, |
| pub llvm_use_linker: Option<String>, |
| pub llvm_allow_old_toolchain: Option<bool>, |
| |
| pub lld_enabled: bool, |
| pub lldb_enabled: bool, |
| pub llvm_tools_enabled: bool, |
| |
| pub llvm_cflags: Option<String>, |
| pub llvm_cxxflags: Option<String>, |
| pub llvm_ldflags: Option<String>, |
| pub llvm_use_libcxx: bool, |
| |
| // rust codegen options |
| pub rust_optimize: bool, |
| pub rust_codegen_units: Option<u32>, |
| pub rust_codegen_units_std: Option<u32>, |
| pub rust_debug_assertions: bool, |
| pub rust_debuginfo_level_rustc: u32, |
| pub rust_debuginfo_level_std: u32, |
| pub rust_debuginfo_level_tools: u32, |
| pub rust_debuginfo_level_tests: u32, |
| pub rust_rpath: bool, |
| pub rustc_parallel: bool, |
| pub rustc_default_linker: Option<String>, |
| pub rust_optimize_tests: bool, |
| pub rust_dist_src: bool, |
| pub rust_codegen_backends: Vec<Interned<String>>, |
| pub rust_verify_llvm_ir: bool, |
| pub rust_thin_lto_import_instr_limit: Option<u32>, |
| pub rust_remap_debuginfo: bool, |
| |
| pub build: Interned<String>, |
| pub hosts: Vec<Interned<String>>, |
| pub targets: Vec<Interned<String>>, |
| pub local_rebuild: bool, |
| pub jemalloc: bool, |
| |
| // dist misc |
| pub dist_sign_folder: Option<PathBuf>, |
| pub dist_upload_addr: Option<String>, |
| pub dist_gpg_password_file: Option<PathBuf>, |
| |
| // libstd features |
| pub backtrace: bool, // support for RUST_BACKTRACE |
| |
| // misc |
| pub low_priority: bool, |
| pub channel: String, |
| pub verbose_tests: bool, |
| pub save_toolstates: Option<PathBuf>, |
| pub print_step_timings: bool, |
| pub missing_tools: bool, |
| |
| // Fallback musl-root for all targets |
| pub musl_root: Option<PathBuf>, |
| pub prefix: Option<PathBuf>, |
| pub sysconfdir: Option<PathBuf>, |
| pub datadir: Option<PathBuf>, |
| pub docdir: Option<PathBuf>, |
| pub bindir: PathBuf, |
| pub libdir: Option<PathBuf>, |
| pub mandir: Option<PathBuf>, |
| pub codegen_tests: bool, |
| pub nodejs: Option<PathBuf>, |
| pub gdb: Option<PathBuf>, |
| pub python: Option<PathBuf>, |
| pub cargo_native_static: bool, |
| pub configure_args: Vec<String>, |
| |
| // These are either the stage0 downloaded binaries or the locally installed ones. |
| pub initial_cargo: PathBuf, |
| pub initial_rustc: PathBuf, |
| pub initial_rustfmt: Option<PathBuf>, |
| pub out: PathBuf, |
| } |
| |
| /// Per-target configuration stored in the global configuration structure. |
| #[derive(Default)] |
| pub struct Target { |
| /// Some(path to llvm-config) if using an external LLVM. |
| pub llvm_config: Option<PathBuf>, |
| /// Some(path to FileCheck) if one was specified. |
| pub llvm_filecheck: Option<PathBuf>, |
| pub cc: Option<PathBuf>, |
| pub cxx: Option<PathBuf>, |
| pub ar: Option<PathBuf>, |
| pub ranlib: Option<PathBuf>, |
| pub linker: Option<PathBuf>, |
| pub ndk: Option<PathBuf>, |
| pub crt_static: Option<bool>, |
| pub musl_root: Option<PathBuf>, |
| pub wasi_root: Option<PathBuf>, |
| pub qemu_rootfs: Option<PathBuf>, |
| pub no_std: bool, |
| } |
| |
| /// Structure of the `config.toml` file that configuration is read from. |
| /// |
| /// This structure uses `Decodable` to automatically decode a TOML configuration |
| /// file into this format, and then this is traversed and written into the above |
| /// `Config` structure. |
| #[derive(Deserialize, Default)] |
| #[serde(deny_unknown_fields, rename_all = "kebab-case")] |
| struct TomlConfig { |
| build: Option<Build>, |
| install: Option<Install>, |
| llvm: Option<Llvm>, |
| rust: Option<Rust>, |
| target: Option<HashMap<String, TomlTarget>>, |
| dist: Option<Dist>, |
| } |
| |
| /// TOML representation of various global build decisions. |
| #[derive(Deserialize, Default, Clone)] |
| #[serde(deny_unknown_fields, rename_all = "kebab-case")] |
| struct Build { |
| build: Option<String>, |
| #[serde(default)] |
| host: Vec<String>, |
| #[serde(default)] |
| target: Vec<String>, |
| cargo: Option<String>, |
| rustc: Option<String>, |
| rustfmt: Option<String>, /* allow bootstrap.py to use rustfmt key */ |
| docs: Option<bool>, |
| compiler_docs: Option<bool>, |
| submodules: Option<bool>, |
| fast_submodules: Option<bool>, |
| gdb: Option<String>, |
| nodejs: Option<String>, |
| python: Option<String>, |
| locked_deps: Option<bool>, |
| vendor: Option<bool>, |
| full_bootstrap: Option<bool>, |
| extended: Option<bool>, |
| tools: Option<HashSet<String>>, |
| verbose: Option<usize>, |
| sanitizers: Option<bool>, |
| profiler: Option<bool>, |
| cargo_native_static: Option<bool>, |
| low_priority: Option<bool>, |
| configure_args: Option<Vec<String>>, |
| local_rebuild: Option<bool>, |
| print_step_timings: Option<bool>, |
| } |
| |
| /// TOML representation of various global install decisions. |
| #[derive(Deserialize, Default, Clone)] |
| #[serde(deny_unknown_fields, rename_all = "kebab-case")] |
| struct Install { |
| prefix: Option<String>, |
| sysconfdir: Option<String>, |
| docdir: Option<String>, |
| bindir: Option<String>, |
| libdir: Option<String>, |
| mandir: Option<String>, |
| datadir: Option<String>, |
| |
| // standard paths, currently unused |
| infodir: Option<String>, |
| localstatedir: Option<String>, |
| } |
| |
| /// TOML representation of how the LLVM build is configured. |
| #[derive(Deserialize, Default)] |
| #[serde(deny_unknown_fields, rename_all = "kebab-case")] |
| struct Llvm { |
| skip_rebuild: Option<bool>, |
| optimize: Option<bool>, |
| thin_lto: Option<bool>, |
| release_debuginfo: Option<bool>, |
| assertions: Option<bool>, |
| ccache: Option<StringOrBool>, |
| version_check: Option<bool>, |
| static_libstdcpp: Option<bool>, |
| ninja: Option<bool>, |
| targets: Option<String>, |
| experimental_targets: Option<String>, |
| link_jobs: Option<u32>, |
| link_shared: Option<bool>, |
| version_suffix: Option<String>, |
| clang_cl: Option<String>, |
| cflags: Option<String>, |
| cxxflags: Option<String>, |
| ldflags: Option<String>, |
| use_libcxx: Option<bool>, |
| use_linker: Option<String>, |
| allow_old_toolchain: Option<bool>, |
| } |
| |
| #[derive(Deserialize, Default, Clone)] |
| #[serde(deny_unknown_fields, rename_all = "kebab-case")] |
| struct Dist { |
| sign_folder: Option<String>, |
| gpg_password_file: Option<String>, |
| upload_addr: Option<String>, |
| src_tarball: Option<bool>, |
| missing_tools: Option<bool>, |
| } |
| |
| #[derive(Deserialize)] |
| #[serde(untagged)] |
| enum StringOrBool { |
| String(String), |
| Bool(bool), |
| } |
| |
| impl Default for StringOrBool { |
| fn default() -> StringOrBool { |
| StringOrBool::Bool(false) |
| } |
| } |
| |
| /// TOML representation of how the Rust build is configured. |
| #[derive(Deserialize, Default)] |
| #[serde(deny_unknown_fields, rename_all = "kebab-case")] |
| struct Rust { |
| optimize: Option<bool>, |
| debug: Option<bool>, |
| codegen_units: Option<u32>, |
| codegen_units_std: Option<u32>, |
| debug_assertions: Option<bool>, |
| debuginfo_level: Option<u32>, |
| debuginfo_level_rustc: Option<u32>, |
| debuginfo_level_std: Option<u32>, |
| debuginfo_level_tools: Option<u32>, |
| debuginfo_level_tests: Option<u32>, |
| backtrace: Option<bool>, |
| incremental: Option<bool>, |
| parallel_compiler: Option<bool>, |
| default_linker: Option<String>, |
| channel: Option<String>, |
| musl_root: Option<String>, |
| rpath: Option<bool>, |
| verbose_tests: Option<bool>, |
| optimize_tests: Option<bool>, |
| codegen_tests: Option<bool>, |
| ignore_git: Option<bool>, |
| dist_src: Option<bool>, |
| save_toolstates: Option<String>, |
| codegen_backends: Option<Vec<String>>, |
| lld: Option<bool>, |
| llvm_tools: Option<bool>, |
| lldb: Option<bool>, |
| deny_warnings: Option<bool>, |
| backtrace_on_ice: Option<bool>, |
| verify_llvm_ir: Option<bool>, |
| thin_lto_import_instr_limit: Option<u32>, |
| remap_debuginfo: Option<bool>, |
| jemalloc: Option<bool>, |
| test_compare_mode: Option<bool>, |
| llvm_libunwind: Option<bool>, |
| } |
| |
| /// TOML representation of how each build target is configured. |
| #[derive(Deserialize, Default)] |
| #[serde(deny_unknown_fields, rename_all = "kebab-case")] |
| struct TomlTarget { |
| cc: Option<String>, |
| cxx: Option<String>, |
| ar: Option<String>, |
| ranlib: Option<String>, |
| linker: Option<String>, |
| llvm_config: Option<String>, |
| llvm_filecheck: Option<String>, |
| android_ndk: Option<String>, |
| crt_static: Option<bool>, |
| musl_root: Option<String>, |
| wasi_root: Option<String>, |
| qemu_rootfs: Option<String>, |
| } |
| |
| impl Config { |
| fn path_from_python(var_key: &str) -> PathBuf { |
| match env::var_os(var_key) { |
| Some(var_val) => Self::normalize_python_path(var_val), |
| _ => panic!("expected '{}' to be set", var_key), |
| } |
| } |
| |
| /// Normalizes paths from Python slightly. We don't trust paths from Python (#49785). |
| fn normalize_python_path(path: OsString) -> PathBuf { |
| Path::new(&path).components().collect() |
| } |
| |
| pub fn default_opts() -> Config { |
| let mut config = Config::default(); |
| config.llvm_optimize = true; |
| config.llvm_version_check = true; |
| config.backtrace = true; |
| config.rust_optimize = true; |
| config.rust_optimize_tests = true; |
| config.submodules = true; |
| config.fast_submodules = true; |
| config.docs = true; |
| config.rust_rpath = true; |
| config.channel = "dev".to_string(); |
| config.codegen_tests = true; |
| config.ignore_git = false; |
| config.rust_dist_src = true; |
| config.rust_codegen_backends = vec![INTERNER.intern_str("llvm")]; |
| config.deny_warnings = true; |
| config.missing_tools = false; |
| |
| // set by bootstrap.py |
| config.build = INTERNER.intern_str(&env::var("BUILD").expect("'BUILD' to be set")); |
| config.src = Config::path_from_python("SRC"); |
| config.out = Config::path_from_python("BUILD_DIR"); |
| |
| config.initial_rustc = Config::path_from_python("RUSTC"); |
| config.initial_cargo = Config::path_from_python("CARGO"); |
| config.initial_rustfmt = env::var_os("RUSTFMT").map(Config::normalize_python_path); |
| |
| config |
| } |
| |
| pub fn parse(args: &[String]) -> Config { |
| let flags = Flags::parse(&args); |
| let file = flags.config.clone(); |
| let mut config = Config::default_opts(); |
| config.exclude = flags.exclude; |
| config.rustc_error_format = flags.rustc_error_format; |
| config.on_fail = flags.on_fail; |
| config.stage = flags.stage; |
| config.jobs = flags.jobs.map(threads_from_config); |
| config.cmd = flags.cmd; |
| config.incremental = flags.incremental; |
| config.dry_run = flags.dry_run; |
| config.keep_stage = flags.keep_stage; |
| config.bindir = "bin".into(); // default |
| if let Some(value) = flags.deny_warnings { |
| config.deny_warnings = value; |
| } |
| |
| if config.dry_run { |
| let dir = config.out.join("tmp-dry-run"); |
| t!(fs::create_dir_all(&dir)); |
| config.out = dir; |
| } |
| |
| // If --target was specified but --host wasn't specified, don't run any host-only tests. |
| let has_hosts = !flags.host.is_empty(); |
| let has_targets = !flags.target.is_empty(); |
| config.skip_only_host_steps = !has_hosts && has_targets; |
| |
| let toml = file |
| .map(|file| { |
| let contents = t!(fs::read_to_string(&file)); |
| match toml::from_str(&contents) { |
| Ok(table) => table, |
| Err(err) => { |
| println!( |
| "failed to parse TOML configuration '{}': {}", |
| file.display(), |
| err |
| ); |
| process::exit(2); |
| } |
| } |
| }) |
| .unwrap_or_else(|| TomlConfig::default()); |
| |
| let build = toml.build.clone().unwrap_or_default(); |
| // set by bootstrap.py |
| config.hosts.push(config.build.clone()); |
| for host in build.host.iter() { |
| let host = INTERNER.intern_str(host); |
| if !config.hosts.contains(&host) { |
| config.hosts.push(host); |
| } |
| } |
| for target in |
| config.hosts.iter().cloned().chain(build.target.iter().map(|s| INTERNER.intern_str(s))) |
| { |
| if !config.targets.contains(&target) { |
| config.targets.push(target); |
| } |
| } |
| config.hosts = if !flags.host.is_empty() { flags.host } else { config.hosts }; |
| config.targets = if !flags.target.is_empty() { flags.target } else { config.targets }; |
| |
| config.nodejs = build.nodejs.map(PathBuf::from); |
| config.gdb = build.gdb.map(PathBuf::from); |
| config.python = build.python.map(PathBuf::from); |
| set(&mut config.low_priority, build.low_priority); |
| set(&mut config.compiler_docs, build.compiler_docs); |
| set(&mut config.docs, build.docs); |
| set(&mut config.submodules, build.submodules); |
| set(&mut config.fast_submodules, build.fast_submodules); |
| set(&mut config.locked_deps, build.locked_deps); |
| set(&mut config.vendor, build.vendor); |
| set(&mut config.full_bootstrap, build.full_bootstrap); |
| set(&mut config.extended, build.extended); |
| config.tools = build.tools; |
| set(&mut config.verbose, build.verbose); |
| set(&mut config.sanitizers, build.sanitizers); |
| set(&mut config.profiler, build.profiler); |
| set(&mut config.cargo_native_static, build.cargo_native_static); |
| set(&mut config.configure_args, build.configure_args); |
| set(&mut config.local_rebuild, build.local_rebuild); |
| set(&mut config.print_step_timings, build.print_step_timings); |
| config.verbose = cmp::max(config.verbose, flags.verbose); |
| |
| if let Some(ref install) = toml.install { |
| config.prefix = install.prefix.clone().map(PathBuf::from); |
| config.sysconfdir = install.sysconfdir.clone().map(PathBuf::from); |
| config.datadir = install.datadir.clone().map(PathBuf::from); |
| config.docdir = install.docdir.clone().map(PathBuf::from); |
| set(&mut config.bindir, install.bindir.clone().map(PathBuf::from)); |
| config.libdir = install.libdir.clone().map(PathBuf::from); |
| config.mandir = install.mandir.clone().map(PathBuf::from); |
| } |
| |
| // Store off these values as options because if they're not provided |
| // we'll infer default values for them later |
| let mut llvm_skip_rebuild = None; |
| let mut llvm_assertions = None; |
| let mut debug = None; |
| let mut debug_assertions = None; |
| let mut debuginfo_level = None; |
| let mut debuginfo_level_rustc = None; |
| let mut debuginfo_level_std = None; |
| let mut debuginfo_level_tools = None; |
| let mut debuginfo_level_tests = None; |
| let mut optimize = None; |
| let mut ignore_git = None; |
| |
| if let Some(ref llvm) = toml.llvm { |
| match llvm.ccache { |
| Some(StringOrBool::String(ref s)) => config.ccache = Some(s.to_string()), |
| Some(StringOrBool::Bool(true)) => { |
| config.ccache = Some("ccache".to_string()); |
| } |
| Some(StringOrBool::Bool(false)) | None => {} |
| } |
| set(&mut config.ninja, llvm.ninja); |
| llvm_assertions = llvm.assertions; |
| llvm_skip_rebuild = llvm.skip_rebuild; |
| set(&mut config.llvm_optimize, llvm.optimize); |
| set(&mut config.llvm_thin_lto, llvm.thin_lto); |
| set(&mut config.llvm_release_debuginfo, llvm.release_debuginfo); |
| set(&mut config.llvm_version_check, llvm.version_check); |
| set(&mut config.llvm_static_stdcpp, llvm.static_libstdcpp); |
| set(&mut config.llvm_link_shared, llvm.link_shared); |
| config.llvm_targets = llvm.targets.clone(); |
| config.llvm_experimental_targets = llvm.experimental_targets.clone(); |
| config.llvm_link_jobs = llvm.link_jobs; |
| config.llvm_version_suffix = llvm.version_suffix.clone(); |
| config.llvm_clang_cl = llvm.clang_cl.clone(); |
| |
| config.llvm_cflags = llvm.cflags.clone(); |
| config.llvm_cxxflags = llvm.cxxflags.clone(); |
| config.llvm_ldflags = llvm.ldflags.clone(); |
| set(&mut config.llvm_use_libcxx, llvm.use_libcxx); |
| config.llvm_use_linker = llvm.use_linker.clone(); |
| config.llvm_allow_old_toolchain = llvm.allow_old_toolchain.clone(); |
| } |
| |
| if let Some(ref rust) = toml.rust { |
| debug = rust.debug; |
| debug_assertions = rust.debug_assertions; |
| debuginfo_level = rust.debuginfo_level; |
| debuginfo_level_rustc = rust.debuginfo_level_rustc; |
| debuginfo_level_std = rust.debuginfo_level_std; |
| debuginfo_level_tools = rust.debuginfo_level_tools; |
| debuginfo_level_tests = rust.debuginfo_level_tests; |
| optimize = rust.optimize; |
| ignore_git = rust.ignore_git; |
| set(&mut config.rust_optimize_tests, rust.optimize_tests); |
| set(&mut config.codegen_tests, rust.codegen_tests); |
| set(&mut config.rust_rpath, rust.rpath); |
| set(&mut config.jemalloc, rust.jemalloc); |
| set(&mut config.test_compare_mode, rust.test_compare_mode); |
| set(&mut config.llvm_libunwind, rust.llvm_libunwind); |
| set(&mut config.backtrace, rust.backtrace); |
| set(&mut config.channel, rust.channel.clone()); |
| set(&mut config.rust_dist_src, rust.dist_src); |
| set(&mut config.verbose_tests, rust.verbose_tests); |
| // in the case "false" is set explicitly, do not overwrite the command line args |
| if let Some(true) = rust.incremental { |
| config.incremental = true; |
| } |
| set(&mut config.lld_enabled, rust.lld); |
| set(&mut config.lldb_enabled, rust.lldb); |
| set(&mut config.llvm_tools_enabled, rust.llvm_tools); |
| config.rustc_parallel = rust.parallel_compiler.unwrap_or(false); |
| config.rustc_default_linker = rust.default_linker.clone(); |
| config.musl_root = rust.musl_root.clone().map(PathBuf::from); |
| config.save_toolstates = rust.save_toolstates.clone().map(PathBuf::from); |
| set(&mut config.deny_warnings, flags.deny_warnings.or(rust.deny_warnings)); |
| set(&mut config.backtrace_on_ice, rust.backtrace_on_ice); |
| set(&mut config.rust_verify_llvm_ir, rust.verify_llvm_ir); |
| config.rust_thin_lto_import_instr_limit = rust.thin_lto_import_instr_limit; |
| set(&mut config.rust_remap_debuginfo, rust.remap_debuginfo); |
| |
| if let Some(ref backends) = rust.codegen_backends { |
| config.rust_codegen_backends = |
| backends.iter().map(|s| INTERNER.intern_str(s)).collect(); |
| } |
| |
| config.rust_codegen_units = rust.codegen_units.map(threads_from_config); |
| config.rust_codegen_units_std = rust.codegen_units_std.map(threads_from_config); |
| } |
| |
| if let Some(ref t) = toml.target { |
| for (triple, cfg) in t { |
| let mut target = Target::default(); |
| |
| if let Some(ref s) = cfg.llvm_config { |
| target.llvm_config = Some(config.src.join(s)); |
| } |
| if let Some(ref s) = cfg.llvm_filecheck { |
| target.llvm_filecheck = Some(config.src.join(s)); |
| } |
| if let Some(ref s) = cfg.android_ndk { |
| target.ndk = Some(config.src.join(s)); |
| } |
| target.cc = cfg.cc.clone().map(PathBuf::from); |
| target.cxx = cfg.cxx.clone().map(PathBuf::from); |
| target.ar = cfg.ar.clone().map(PathBuf::from); |
| target.ranlib = cfg.ranlib.clone().map(PathBuf::from); |
| target.linker = cfg.linker.clone().map(PathBuf::from); |
| target.crt_static = cfg.crt_static.clone(); |
| target.musl_root = cfg.musl_root.clone().map(PathBuf::from); |
| target.wasi_root = cfg.wasi_root.clone().map(PathBuf::from); |
| target.qemu_rootfs = cfg.qemu_rootfs.clone().map(PathBuf::from); |
| |
| config.target_config.insert(INTERNER.intern_string(triple.clone()), target); |
| } |
| } |
| |
| if let Some(ref t) = toml.dist { |
| config.dist_sign_folder = t.sign_folder.clone().map(PathBuf::from); |
| config.dist_gpg_password_file = t.gpg_password_file.clone().map(PathBuf::from); |
| config.dist_upload_addr = t.upload_addr.clone(); |
| set(&mut config.rust_dist_src, t.src_tarball); |
| set(&mut config.missing_tools, t.missing_tools); |
| } |
| |
| // Now that we've reached the end of our configuration, infer the |
| // default values for all options that we haven't otherwise stored yet. |
| |
| set(&mut config.initial_rustc, build.rustc.map(PathBuf::from)); |
| set(&mut config.initial_cargo, build.cargo.map(PathBuf::from)); |
| |
| config.llvm_skip_rebuild = llvm_skip_rebuild.unwrap_or(false); |
| |
| let default = false; |
| config.llvm_assertions = llvm_assertions.unwrap_or(default); |
| |
| let default = true; |
| config.rust_optimize = optimize.unwrap_or(default); |
| |
| let default = debug == Some(true); |
| config.rust_debug_assertions = debug_assertions.unwrap_or(default); |
| |
| let with_defaults = |debuginfo_level_specific: Option<u32>| { |
| debuginfo_level_specific.or(debuginfo_level).unwrap_or(if debug == Some(true) { |
| 2 |
| } else { |
| 0 |
| }) |
| }; |
| config.rust_debuginfo_level_rustc = with_defaults(debuginfo_level_rustc); |
| config.rust_debuginfo_level_std = with_defaults(debuginfo_level_std); |
| config.rust_debuginfo_level_tools = with_defaults(debuginfo_level_tools); |
| config.rust_debuginfo_level_tests = debuginfo_level_tests.unwrap_or(0); |
| |
| let default = config.channel == "dev"; |
| config.ignore_git = ignore_git.unwrap_or(default); |
| |
| config |
| } |
| |
| /// Try to find the relative path of `bindir`, otherwise return it in full. |
| pub fn bindir_relative(&self) -> &Path { |
| let bindir = &self.bindir; |
| if bindir.is_absolute() { |
| // Try to make it relative to the prefix. |
| if let Some(prefix) = &self.prefix { |
| if let Ok(stripped) = bindir.strip_prefix(prefix) { |
| return stripped; |
| } |
| } |
| } |
| bindir |
| } |
| |
| /// Try to find the relative path of `libdir`. |
| pub fn libdir_relative(&self) -> Option<&Path> { |
| let libdir = self.libdir.as_ref()?; |
| if libdir.is_relative() { |
| Some(libdir) |
| } else { |
| // Try to make it relative to the prefix. |
| libdir.strip_prefix(self.prefix.as_ref()?).ok() |
| } |
| } |
| |
| pub fn verbose(&self) -> bool { |
| self.verbose > 0 |
| } |
| |
| pub fn very_verbose(&self) -> bool { |
| self.verbose > 1 |
| } |
| |
| pub fn llvm_enabled(&self) -> bool { |
| self.rust_codegen_backends.contains(&INTERNER.intern_str("llvm")) |
| } |
| } |
| |
| fn set<T>(field: &mut T, val: Option<T>) { |
| if let Some(v) = val { |
| *field = v; |
| } |
| } |
| |
| fn threads_from_config(v: u32) -> u32 { |
| match v { |
| 0 => num_cpus::get() as u32, |
| n => n, |
| } |
| } |
