fix(ecs): remove use of linkme to make pc-windows-gnu builds work

Linkme is broken on the x86_64-pc-windows-gnu
target (see https://github.com/dtolnay/linkme/issues/25)
so static entities are now called entity declarations and must be
created manually.

1 files changed, 7 insertions, 0 deletions

diff --git a/ecs/src/extension.rs b/ecs/src/extension.rs
index 42ebef9..e180ac7 100644
--- a/ecs/src/extension.rs
+++ b/ecs/src/extension.rs
@@ -1,4 +1,5 @@
 use crate::component::Sequence as ComponentSequence;
+use crate::entity::Declaration as EntityDeclaration;
 use crate::sole::Sole;
 use crate::system::System;
 use crate::uid::Uid;
@@ -42,6 +43,12 @@ impl<'world> Collector<'world>
         self.world.create_entity(components);
     }
 
+    /// Adds a declared entity to the [`World`].
+    pub fn add_declared_entity(&mut self, entity_decl: &EntityDeclaration)
+    {
+        self.world.create_declared_entity(entity_decl);
+    }
+
     /// Adds a globally shared singleton value to the [`World`].
     ///
     /// # Errors