From 9998fe49bd3ce864df83c60a5a7461a1a5174684 Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Fri, 8 May 2020 14:05:58 -0700
Subject: [PATCH] Provide a placeholder definition of `CAMetalLayer` in the C
 API.

Closes #260.
---
 c/cbindgen.toml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/c/cbindgen.toml b/c/cbindgen.toml
index 3d2de1f8..38119545 100644
--- a/c/cbindgen.toml
+++ b/c/cbindgen.toml
@@ -12,6 +12,10 @@ header = """\
 #ifdef __cplusplus
 extern \"C\" {
 #endif
+
+#ifndef __APPLE__
+typedef struct CAMetalLayerPrivate CAMetalLayer;
+#endif
 """
 trailer = """\
 #ifdef __cplusplus