Check for Xcode version before using recommendedMaxWorkingSetSize

Author: azarovalex

ggml-metal.m

@@ -370,10 +370,11 @@ static void ggml_metal_log(enum ggml_log_level level, const char * format, ...){
     GGML_METAL_LOG_INFO("%s: simdgroup matrix mul. support = %s\n",       __func__, ctx->support_simdgroup_mm ? "true" : "false");
     GGML_METAL_LOG_INFO("%s: hasUnifiedMemory              = %s\n",       __func__, ctx->device.hasUnifiedMemory ? "true" : "false");
 
+#if TARGET_OS_OSX || (TARGET_OS_IOS && __clang_major__ >= 15)
     if (@available(macOS 10.12, iOS 16.0, *)) {
         GGML_METAL_LOG_INFO("%s: recommendedMaxWorkingSetSize  = %8.2f MB\n", __func__, ctx->device.recommendedMaxWorkingSetSize / 1e6);
     }
-#if TARGET_OS_OSX
+#elseif TARGET_OS_OSX
     if (ctx->device.maxTransferRate != 0) {
         GGML_METAL_LOG_INFO("%s: maxTransferRate               = %8.2f MB/s\n", __func__, ctx->device.maxTransferRate / 1e6);
     } else {
@@ -2373,7 +2374,7 @@ static void ggml_backend_metal_buffer_clear(ggml_backend_buffer_t buffer, uint8_
 }
 
 static void ggml_backend_metal_log_allocated_size(id<MTLDevice> device) {
-#if TARGET_OS_IOS || TARGET_OS_OSX
+#if TARGET_OS_OSX || (TARGET_OS_IOS && __clang_major__ >= 15)
     if (@available(macOS 10.12, iOS 16.0, *)) {
         GGML_METAL_LOG_INFO(", (%8.2f / %8.2f)",
                 device.currentAllocatedSize / 1024.0 / 1024.0,