From 559b7d6438486c9a9f13c5a96a3d17c9c4b536ee Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <barracuda@macos-powerpc.org>
Date: Sun, 4 Aug 2024 00:54:02 +0800
Subject: [PATCH 04/12] gpu_apple.*: fix for older systems

---
 src/detection/gpu/gpu_apple.c | 3 +++
 src/detection/gpu/gpu_apple.m | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/src/detection/gpu/gpu_apple.c b/src/detection/gpu/gpu_apple.c
index 16f9f9c0..d73383d8 100644
--- a/src/detection/gpu/gpu_apple.c
+++ b/src/detection/gpu/gpu_apple.c
@@ -4,6 +4,7 @@
 #include "util/apple/cf_helpers.h"
 #include "util/apple/smc_temps.h"
 
+#include <AvailabilityMacros.h>
 #include <IOKit/graphics/IOGraphicsLib.h>
 
 const char* ffGpuDetectMetal(FFlist* gpus);
@@ -99,7 +100,9 @@ const char* ffDetectGPUImpl(const FFGPUOptions* options, FFlist* gpus)
         gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;
         gpu->type = FF_GPU_TYPE_UNKNOWN;
         gpu->frequency = FF_GPU_FREQUENCY_UNSET;
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060 && !defined(__ppc__)
         IORegistryEntryGetRegistryEntryID(registryEntry, &gpu->deviceId);
+#endif
         ffStrbufInitStatic(&gpu->platformApi, "Metal");
 
         ffStrbufInit(&gpu->driver); // Ok for both Apple and Intel
diff --git a/src/detection/gpu/gpu_apple.m b/src/detection/gpu/gpu_apple.m
index 95e4c305..2112005d 100644
--- a/src/detection/gpu/gpu_apple.m
+++ b/src/detection/gpu/gpu_apple.m
@@ -1,5 +1,7 @@
+#include <AvailabilityMacros.h>
 #include "gpu.h"
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 101100
 #import <Metal/MTLDevice.h>
 #import <IOKit/kext/KextManager.h>
 
@@ -10,9 +12,11 @@
     #define MTLFeatureSet_macOS_GPUFamily1_v4 ((MTLFeatureSet) 10004)
     #define MTLFeatureSet_macOS_GPUFamily2_v1 ((MTLFeatureSet) 10005)
 #endif
+#endif
 
 const char* ffGpuDetectDriverVersion(FFlist* gpus)
 {
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
     if (@available(macOS 10.7, *))
     {
         NSMutableArray* arr = NSMutableArray.new;
@@ -30,11 +34,13 @@ const char* ffGpuDetectDriverVersion(FFlist* gpus)
             }
         }
     }
+#endif
     return "Unsupported macOS version";
 }
 
 const char* ffGpuDetectMetal(FFlist* gpus)
 {
+#if MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
     if (@available(macOS 10.13, *))
     {
         for (id<MTLDevice> device in MTLCopyAllDevices())
@@ -71,5 +77,6 @@ const char* ffGpuDetectMetal(FFlist* gpus)
         }
         return NULL;
     }
+#endif
     return "Metal API is not supported by this macOS version";
 }
-- 
2.47.0