From 746101010fd50a4b6ba6f77d9498d35b30a983a2 Mon Sep 17 00:00:00 2001
From: Autechre <libretro@gmail.com>
Date: Thu, 21 Jan 2021 08:53:16 +0100
Subject: [PATCH] (Apple/Clang/ARC) ARC (Automatic Reference Counting) only
 available (#11920)

since Clang. PowerPC Mac is stuck with GCC and predates the use of ARC,
__has_feature() also is a Clang extension, so wrap around this with a
conditional so that GCC PowerPC on Mac can still work
---
 ui/drivers/cocoa/cocoa_common.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/ui/drivers/cocoa/cocoa_common.h b/ui/drivers/cocoa/cocoa_common.h
index 7d3ba53318..63af13f812 100644
--- a/ui/drivers/cocoa/cocoa_common.h
+++ b/ui/drivers/cocoa/cocoa_common.h
@@ -85,6 +85,8 @@ extern apple_frontend_settings_t apple_frontend_settings;
 #define BOXUINT(x)   [NSNumber numberWithUnsignedInt:x]
 #define BOXFLOAT(x)  [NSNumber numberWithDouble:x]
 
+#if defined(__clang__)
+/* ARC is only available for Clang */
 #if __has_feature(objc_arc)
 #define RELEASE(x)   x = nil
 #define BRIDGE       __bridge
@@ -95,6 +97,14 @@ extern apple_frontend_settings_t apple_frontend_settings;
 #define BRIDGE
 #define UNSAFE_UNRETAINED
 #endif
+#else
+/* On compilers other than Clang (e.g. GCC), assume ARC 
+   is going to be unavailable */
+#define RELEASE(x)   [x release]; \
+   x = nil
+#define BRIDGE
+#define UNSAFE_UNRETAINED
+#endif
 
 void *nsview_get_ptr(void);