bjoernager/rust
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Add --print=check-cfg to get the expected configs

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This commit is contained in:
Urgau 2024-04-22 23:47:48 +02:00
parent cb3752d20e
commit ac59bdc20c
8 changed files with 184 additions and 2 deletions
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14
compiler/rustc_session/src/config.rs
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@ -745,6 +745,7 @@ pub enum PrintKind {
TargetLibdir,
CrateName,
Cfg,
CheckCfg,
CallingConventions,
TargetList,
TargetCPUs,
@ -1424,7 +1425,7 @@ pub fn rustc_short_optgroups() -> Vec<RustcOptGroup> {
"",
"print",
"Compiler information to print on stdout",
"[crate-name|file-names|sysroot|target-libdir|cfg|calling-conventions|\
"[crate-name|file-names|sysroot|target-libdir|cfg|check-cfg|calling-conventions|\
target-list|target-cpus|target-features|relocation-models|code-models|\
tls-models|target-spec-json|all-target-specs-json|native-static-libs|\
stack-protector-strategies|link-args|deployment-target]",
@ -1834,6 +1835,7 @@ fn collect_print_requests(
("all-target-specs-json", PrintKind::AllTargetSpecs),
("calling-conventions", PrintKind::CallingConventions),
("cfg", PrintKind::Cfg),
("check-cfg", PrintKind::CheckCfg),
("code-models", PrintKind::CodeModels),
("crate-name", PrintKind::CrateName),
("deployment-target", PrintKind::DeploymentTarget),
@ -1883,6 +1885,16 @@ fn collect_print_requests(
);
}
}
Some((_, PrintKind::CheckCfg)) => {
if unstable_opts.unstable_options {
PrintKind::CheckCfg
} else {
early_dcx.early_fatal(
"the `-Z unstable-options` flag must also be passed to \
enable the check-cfg print option",
);
}
}
Some(&(_, print_kind)) => print_kind,
None => {
let prints =