diff options
| -rw-r--r-- | config.example.toml | 10 | ||||
| -rw-r--r-- | src/bootstrap/src/core/config/config.rs | 12 | ||||
| -rw-r--r-- | src/bootstrap/src/core/config/tests.rs | 22 | ||||
| -rw-r--r-- | src/bootstrap/src/lib.rs | 27 |
4 files changed, 58 insertions, 13 deletions
diff --git a/config.example.toml b/config.example.toml index 47ebb20d8fa..4b591b949b3 100644 --- a/config.example.toml +++ b/config.example.toml @@ -759,6 +759,16 @@ # Build compiler with the optimization enabled and -Zvalidate-mir, currently only for `std` #validate-mir-opts = 3 +# Configure `std` features used during bootstrap. +# Default features will be expanded in the following cases: +# - If `rust.llvm-libunwind` or `target.llvm-libunwind` is enabled: +# - "llvm-libunwind" will be added for in-tree LLVM builds. +# - "system-llvm-libunwind" will be added for system LLVM builds. +# - If `rust.backtrace` is enabled, "backtrace" will be added. +# - If `rust.profiler` or `target.profiler` is enabled, "profiler" will be added. +# - If building for a zkvm target, "compiler-builtins-mem" will be added. +#std-features = ["panic_unwind"] + # ============================================================================= # Options for specific targets # diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index 07460b81412..7dc3b7b081a 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -4,7 +4,7 @@ //! how the build runs. use std::cell::{Cell, RefCell}; -use std::collections::{HashMap, HashSet}; +use std::collections::{BTreeSet, HashMap, HashSet}; use std::fmt::{self, Display}; use std::io::IsTerminal; use std::path::{Path, PathBuf, absolute}; @@ -287,6 +287,7 @@ pub struct Config { pub rust_profile_generate: Option<String>, pub rust_lto: RustcLto, pub rust_validate_mir_opts: Option<u32>, + pub rust_std_features: BTreeSet<String>, pub llvm_profile_use: Option<String>, pub llvm_profile_generate: bool, pub llvm_libunwind_default: Option<LlvmLibunwind>, @@ -1152,6 +1153,7 @@ define_config! { download_rustc: Option<StringOrBool> = "download-rustc", lto: Option<String> = "lto", validate_mir_opts: Option<u32> = "validate-mir-opts", + std_features: Option<BTreeSet<String>> = "std-features", } } @@ -1645,6 +1647,7 @@ impl Config { let mut optimize = None; let mut omit_git_hash = None; let mut lld_enabled = None; + let mut std_features = None; let mut is_user_configured_rust_channel = false; @@ -1703,6 +1706,7 @@ impl Config { stack_protector, strip, lld_mode, + std_features: std_features_toml, } = rust; is_user_configured_rust_channel = channel.is_some(); @@ -1722,6 +1726,7 @@ impl Config { debuginfo_level_tools = debuginfo_level_tools_toml; debuginfo_level_tests = debuginfo_level_tests_toml; lld_enabled = lld_enabled_toml; + std_features = std_features_toml; optimize = optimize_toml; omit_git_hash = omit_git_hash_toml; @@ -2118,6 +2123,9 @@ impl Config { ); } + let default_std_features = BTreeSet::from([String::from("panic-unwind")]); + config.rust_std_features = std_features.unwrap_or(default_std_features); + let default = debug == Some(true); config.rust_debug_assertions = debug_assertions.unwrap_or(default); config.rust_debug_assertions_std = @@ -3016,6 +3024,7 @@ fn check_incompatible_options_for_ci_rustc( description, incremental, default_linker, + std_features, // Rest of the options can simply be ignored. debug: _, @@ -3077,6 +3086,7 @@ fn check_incompatible_options_for_ci_rustc( err!(current_rust_config.default_linker, default_linker); err!(current_rust_config.stack_protector, stack_protector); err!(current_rust_config.lto, lto); + err!(current_rust_config.std_features, std_features); warn!(current_rust_config.channel, channel); warn!(current_rust_config.description, description); diff --git a/src/bootstrap/src/core/config/tests.rs b/src/bootstrap/src/core/config/tests.rs index e38d4eac051..278becdcbc7 100644 --- a/src/bootstrap/src/core/config/tests.rs +++ b/src/bootstrap/src/core/config/tests.rs @@ -1,3 +1,4 @@ +use std::collections::BTreeSet; use std::env; use std::fs::{File, remove_file}; use std::io::Write; @@ -326,3 +327,24 @@ fn verbose_tests_default_value() { let config = Config::parse(Flags::parse(&["build".into(), "compiler".into(), "-v".into()])); assert_eq!(config.verbose_tests, true); } + +#[test] +fn parse_rust_std_features() { + let config = parse("rust.std-features = [\"panic-unwind\", \"backtrace\"]"); + let expected_features: BTreeSet<String> = + ["panic-unwind", "backtrace"].into_iter().map(|s| s.to_string()).collect(); + assert_eq!(config.rust_std_features, expected_features); +} + +#[test] +fn parse_rust_std_features_empty() { + let config = parse("rust.std-features = []"); + let expected_features: BTreeSet<String> = BTreeSet::new(); + assert_eq!(config.rust_std_features, expected_features); +} + +#[test] +#[should_panic] +fn parse_rust_std_features_invalid() { + parse("rust.std-features = \"backtrace\""); +} diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 75659f46431..313b49346bc 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -17,7 +17,7 @@ //! also check out the `src/bootstrap/README.md` file for more information. use std::cell::{Cell, RefCell}; -use std::collections::{HashMap, HashSet}; +use std::collections::{BTreeSet, HashMap, HashSet}; use std::fmt::Display; use std::fs::{self, File}; use std::path::{Path, PathBuf}; @@ -645,28 +645,31 @@ impl Build { &self.config.rust_info } - /// Gets the space-separated set of activated features for the standard - /// library. + /// Gets the space-separated set of activated features for the standard library. + /// This can be configured with the `std-features` key in config.toml. fn std_features(&self, target: TargetSelection) -> String { - let mut features = " panic-unwind".to_string(); + let mut features: BTreeSet<&str> = + self.config.rust_std_features.iter().map(|s| s.as_str()).collect(); match self.config.llvm_libunwind(target) { - LlvmLibunwind::InTree => features.push_str(" llvm-libunwind"), - LlvmLibunwind::System => features.push_str(" system-llvm-libunwind"), - LlvmLibunwind::No => {} - } + LlvmLibunwind::InTree => features.insert("llvm-libunwind"), + LlvmLibunwind::System => features.insert("system-llvm-libunwind"), + LlvmLibunwind::No => false, + }; + if self.config.backtrace { - features.push_str(" backtrace"); + features.insert("backtrace"); } if self.config.profiler_enabled(target) { - features.push_str(" profiler"); + features.insert("profiler"); } // Generate memcpy, etc. FIXME: Remove this once compiler-builtins // automatically detects this target. if target.contains("zkvm") { - features.push_str(" compiler-builtins-mem"); + features.insert("compiler-builtins-mem"); } - features + + features.into_iter().collect::<Vec<_>>().join(" ") } /// Gets the space-separated set of activated features for the compiler. |