add version check

Author: tgymnich

src/state.jl

@@ -47,29 +47,34 @@ function global_queue(dev::MTLDevice)
         @autoreleasepool begin
             # NOTE: MTLCommandQueue itself is manually reference-counted,
             #       the release pool is for resources used during its construction.
-            log_state_descriptor = MTLLogStateDescriptor()
-            log_state = MTLLogState(dev, log_state_descriptor)
 
-            function log_handler(subSystem, category, logLevel, message)
-                println(String(message))
-                return nothing
+            queue = if macos_version() >= v"15"
+                log_state_descriptor = MTLLogStateDescriptor()
+                log_state = MTLLogState(dev, log_state_descriptor)
+
+                function log_handler(subSystem, category, logLevel, message)
+                    print(String(message))
+                    return nothing
+                end
+                function wrapper(subSystem, category, logLevel, message)
+                    log_handler(subSystem == nil ? nothing : NSString(subSystem),
+                        category == nil ? nothing : NSString(category),
+                        logLevel,
+                        message == nil ? nothing : NSString(message)
+                    )
+                    return nothing
+                end
+
+                block = @objcblock(wrapper, Nothing, (id{NSString}, id{NSString}, MTLLogLevel, id{NSString}))
+
+                @objc [log_state::id{MTLLogState} addLogHandler:block::id{NSBlock}]::Nothing
+
+                queue_descriptor = MTLCommandQueueDescriptor()
+                queue_descriptor.logState = log_state
+                MTLCommandQueue(dev, queue_descriptor)
+            else
+                MTLCommandQueue(dev, queue_descriptor)
             end
-            function wrapper(subSystem, category, logLevel, message)
-                log_handler(subSystem == nil ? nothing : NSString(subSystem), 
-                            category == nil ? nothing : NSString(category),
-                            logLevel,
-                            message == nil ? nothing : NSString(message)
-                )
-                return nothing
-            end
-
-            block = @objcblock(wrapper, Nothing, (id{NSString}, id{NSString}, MTLLogLevel, id{NSString}))
-
-            @objc [log_state::id{MTLLogState} addLogHandler:block::id{NSBlock}]::Nothing
-
-            queue_descriptor = MTLCommandQueueDescriptor()
-            queue_descriptor.logState = log_state
-            queue = MTLCommandQueue(dev, queue_descriptor)
             queue.label = "global_queue($(current_task()))"
             global_queues[queue] = nothing
             queue