From b0ca8efd29debe76ce5a528049e00065f08cd4c2 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Fri, 17 Jul 2020 22:21:37 -0700
Subject: [PATCH] Re-add check for Metal on x86, where it's not supported.

---
 configure    | 4 ++++
 configure.ac | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/configure b/configure
index f247ccbef..b7ae81973 100755
--- a/configure
+++ b/configure
@@ -21775,6 +21775,10 @@ $as_echo_n "checking for Metal framework... " >&6; }
           #import <Metal/Metal.h>
           #import <QuartzCore/CAMetalLayer.h>
 
+          #if TARGET_CPU_X86
+          #error Metal doesn't work on this configuration
+          #endif
+
 int
 main ()
 {
diff --git a/configure.ac b/configure.ac
index 74817611d..5ba9d053f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2156,6 +2156,10 @@ AS_HELP_STRING([--enable-render-metal], [enable the Metal render driver [[defaul
           #import <Cocoa/Cocoa.h>
           #import <Metal/Metal.h>
           #import <QuartzCore/CAMetalLayer.h>
+
+          #if TARGET_CPU_X86
+          #error Metal doesn't work on this configuration
+          #endif
         ],[
         ],[
         have_metal=yes