From e8b114ecfce2c2925c028df97f7e5407f20745cf Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Mon, 28 Aug 2017 19:32:08 -0700
Subject: [PATCH] Vulkan support on Mac OS X introduces a link time dependency
 (CAMetalLayer) on 10.11 and newer

---
 include/SDL_config_macosx.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/SDL_config_macosx.h b/include/SDL_config_macosx.h
index eb6bbd9b1..610a8eba9 100644
--- a/include/SDL_config_macosx.h
+++ b/include/SDL_config_macosx.h
@@ -175,8 +175,8 @@
 #endif
 
 /* Enable Vulkan support */
-/* Metal/MoltenVK/Vulkan only supported on 64-bit architectures */
-#if TARGET_CPU_X86_64
+/* Metal/MoltenVK/Vulkan only supported on 64-bit architectures with 10.11+ */
+#if TARGET_CPU_X86_64 && (MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
 #define SDL_VIDEO_VULKAN 1
 #else
 #define  SDL_VIDEO_VULKAN 0