Initial support for dynamically linked crates

1 files changed, 6 insertions, 1 deletions

diff --git a/compiler/rustc_passes/src/lang_items.rs b/compiler/rustc_passes/src/lang_items.rs
index 664bd4ad0a2..275714c2d0e 100644
--- a/compiler/rustc_passes/src/lang_items.rs
+++ b/compiler/rustc_passes/src/lang_items.rs
@@ -19,7 +19,8 @@ use rustc_session::cstore::ExternCrate;
 use rustc_span::Span;
 
 use crate::errors::{
-    DuplicateLangItem, IncorrectTarget, LangItemOnIncorrectTarget, UnknownLangItem,
+    DuplicateLangItem, IncorrectCrateType, IncorrectTarget, LangItemOnIncorrectTarget,
+    UnknownLangItem,
 };
 use crate::weak_lang_items;
 
@@ -236,6 +237,10 @@ impl<'ast, 'tcx> LanguageItemCollector<'ast, 'tcx> {
             }
         }
 
+        if self.tcx.crate_types().contains(&rustc_session::config::CrateType::Sdylib) {
+            self.tcx.dcx().emit_err(IncorrectCrateType { span: attr_span });
+        }
+
         self.collect_item(lang_item, item_def_id.to_def_id(), Some(item_span));
     }
 }