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Rollup merge of #100552 - petrochenkov:flavorcompat, r=lqd

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rustc_target: Add a compatibility layer to separate internal and user-facing linker flavors

I want to do some refactorings in `rustc_target` - merge `lld_flavor` and `linker_is_gnu` into `linker_flavor`, support combination gcc+lld (https://github.com/rust-lang/rust/pull/96827).
This PR adds some compatibility infra that makes that possible without making any changes to user-facing interfaces - `-Clinker-flavor` values and json target specs. (For json target specs this infra may eventually go away since they are not very stable.)

The second commit does some light refactoring of internal linker flavors (applies changes from 53eca42973 that don't require mass-editing target specs).
This commit is contained in:
Guillaume Gomez 2022-09-02 11:34:49 +02:00 • committed by GitHub
commit edf79cb86b
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12 changed files with 212 additions and 149 deletions
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8
compiler/rustc_interface/src/tests.rs
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@ -21,10 +21,8 @@ use rustc_session::{build_session, getopts, DiagnosticOutput, Session};
use rustc_span::edition::{Edition, DEFAULT_EDITION};
use rustc_span::symbol::sym;
use rustc_span::SourceFileHashAlgorithm;
use rustc_target::spec::{CodeModel, LinkerFlavor, MergeFunctions, PanicStrategy};
use rustc_target::spec::{
RelocModel, RelroLevel, SanitizerSet, SplitDebuginfo, StackProtector, TlsModel,
};
use rustc_target::spec::{CodeModel, LinkerFlavorCli, MergeFunctions, PanicStrategy, RelocModel};
use rustc_target::spec::{RelroLevel, SanitizerSet, SplitDebuginfo, StackProtector, TlsModel};
use std::collections::{BTreeMap, BTreeSet};
use std::iter::FromIterator;
@ -552,7 +550,7 @@ fn test_codegen_options_tracking_hash() {
untracked!(link_args, vec![String::from("abc"), String::from("def")]);
untracked!(link_self_contained, Some(true));
untracked!(linker, Some(PathBuf::from("linker")));
untracked!(linker_flavor, Some(LinkerFlavor::Gcc));
untracked!(linker_flavor, Some(LinkerFlavorCli::Gcc));
untracked!(no_stack_check, true);
untracked!(remark, Passes::Some(vec![String::from("pass1"), String::from("pass2")]));
untracked!(rpath, true);