diff options
Diffstat (limited to 'compiler/rustc_session')
| -rw-r--r-- | compiler/rustc_session/src/config.rs | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index c90da966e70..0287085ad60 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -773,6 +773,7 @@ pub enum PrintKind { TargetLibdir, CrateName, Cfg, + CheckCfg, CallingConventions, TargetList, TargetCPUs, @@ -1443,7 +1444,7 @@ 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]", @@ -1859,6 +1860,7 @@ 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), @@ -1908,6 +1910,16 @@ 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 = |