bjoernager/rust
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Allow targets to override default codegen backend

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This commit is contained in:
Maybe Waffle 2024-02-14 23:43:00 +00:00
parent ee9c7c940c
commit a03d19ef63
7 changed files with 130 additions and 46 deletions
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2
compiler/rustc_session/src/config.rs
View file

@ -1558,7 +1558,7 @@ pub fn build_configuration(sess: &Session, mut user_cfg: Cfg) -> Cfg {
user_cfg
}
pub(super) fn build_target_config(
pub fn build_target_config(
early_dcx: &EarlyDiagCtxt,
opts: &Options,
target_override: Option<Target>,

9
compiler/rustc_session/src/session.rs
View file

@ -1034,7 +1034,8 @@ pub fn build_session(
fluent_resources: Vec<&'static str>,
driver_lint_caps: FxHashMap<lint::LintId, lint::Level>,
file_loader: Option<Box<dyn FileLoader + Send + Sync + 'static>>,
target_override: Option<Target>,
target_cfg: Target,
sysroot: PathBuf,
cfg_version: &'static str,
ice_file: Option<PathBuf>,
using_internal_features: Arc<AtomicBool>,
@ -1051,12 +1052,6 @@ pub fn build_session(
let cap_lints_allow = sopts.lint_cap.is_some_and(|cap| cap == lint::Allow);
let can_emit_warnings = !(warnings_allow || cap_lints_allow);
let sysroot = match &sopts.maybe_sysroot {
Some(sysroot) => sysroot.clone(),
None => filesearch::get_or_default_sysroot().expect("Failed finding sysroot"),
};
let target_cfg = config::build_target_config(&early_dcx, &sopts, target_override, &sysroot);
let host_triple = TargetTriple::from_triple(config::host_triple());
let (host, target_warnings) = Target::search(&host_triple, &sysroot).unwrap_or_else(|e| {
early_dcx.early_fatal(format!("Error loading host specification: {e}"))