Use the OS_OBJECT_USE_OBJC macro

Author: mattjgalloway

Lumberjack/DDAbstractDatabaseLogger.m

@@ -15,32 +15,6 @@
 #warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
 #endif
 
-/**
- * Does ARC support support GCD objects?
- * It does if the minimum deployment target is iOS 6+ or Mac OS X 10.8+
-**/
-#if TARGET_OS_IPHONE
-
-  // Compiling for iOS
-
-  #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 60000 // iOS 6.0 or later
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 0
-  #else                                         // iOS 5.X or earlier
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 1
-  #endif
-
-#else
-
-  // Compiling for Mac OS X
-
-  #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080     // Mac OS X 10.8 or later
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 0
-  #else
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 1     // Mac OS X 10.7 or earlier
-  #endif
-
-#endif
-
 @interface DDAbstractDatabaseLogger ()
 - (void)destroySaveTimer;
 - (void)destroyDeleteTimer;
@@ -147,7 +121,7 @@ - (void)destroySaveTimer
 			dispatch_resume(saveTimer);
 			saveTimerSuspended = NO;
 		}
-		#if NEEDS_DISPATCH_RETAIN_RELEASE
+		#if !OS_OBJECT_USE_OBJC
 		dispatch_release(saveTimer);
 		#endif
 		saveTimer = NULL;
@@ -192,7 +166,7 @@ - (void)destroyDeleteTimer
 	if (deleteTimer)
 	{
 		dispatch_source_cancel(deleteTimer);
-		#if NEEDS_DISPATCH_RETAIN_RELEASE
+		#if !OS_OBJECT_USE_OBJC
 		dispatch_release(deleteTimer);
 		#endif
 		deleteTimer = NULL;

Lumberjack/DDFileLogger.m

@@ -19,31 +19,6 @@
 #warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
 #endif
 
-// Does ARC support support GCD objects?
-// It does if the minimum deployment target is iOS 6+ or Mac OS X 10.8+
-
-#if TARGET_OS_IPHONE
-
-  // Compiling for iOS
-
-  #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 60000 // iOS 6.0 or later
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 0
-  #else                                         // iOS 5.X or earlier
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 1
-  #endif
-
-#else
-
-  // Compiling for Mac OS X
-
-  #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080     // Mac OS X 10.8 or later
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 0
-  #else
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 1     // Mac OS X 10.7 or earlier
-  #endif
-
-#endif
-
 // We probably shouldn't be using DDLog() statements within the DDLog implementation.
 // But we still want to leave our log statements for any future debugging,
 // and to allow other developers to trace the implementation (which is a great learning tool).
@@ -674,7 +649,7 @@ - (void)scheduleTimerToRollLogFileDueToAge
 
 	}});
 
-	#if NEEDS_DISPATCH_RETAIN_RELEASE
+	#if !OS_OBJECT_USE_OBJC
 	dispatch_source_t theRollingTimer = rollingTimer;
 	dispatch_source_set_cancel_handler(rollingTimer, ^{
 		dispatch_release(theRollingTimer);

Lumberjack/DDLog.m

@@ -22,31 +22,6 @@
 #warning This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC).
 #endif
 
-// Does ARC support support GCD objects?
-// It does if the minimum deployment target is iOS 6+ or Mac OS X 10.8+
-
-#if TARGET_OS_IPHONE
-
-  // Compiling for iOS
-
-  #if __IPHONE_OS_VERSION_MIN_REQUIRED >= 60000 // iOS 6.0 or later
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 0
-  #else                                         // iOS 5.X or earlier
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 1
-  #endif
-
-#else
-
-  // Compiling for Mac OS X
-
-  #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080     // Mac OS X 10.8 or later
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 0
-  #else
-    #define NEEDS_DISPATCH_RETAIN_RELEASE 1     // Mac OS X 10.7 or earlier
-  #endif
-
-#endif
-
 // We probably shouldn't be using DDLog() statements within the DDLog implementation.
 // But we still want to leave our log statements for any future debugging,
 // and to allow other developers to trace the implementation (which is a great learning tool).
@@ -805,7 +780,7 @@ - (id)initWithLogger:(id <DDLogger>)aLogger loggerQueue:(dispatch_queue_t)aLogge
 
 		if (aLoggerQueue) {
 			loggerQueue = aLoggerQueue;
-			#if NEEDS_DISPATCH_RETAIN_RELEASE
+			#if !OS_OBJECT_USE_OBJC
 			dispatch_retain(loggerQueue);
 			#endif
 		}
@@ -820,7 +795,7 @@ + (DDLoggerNode *)nodeWithLogger:(id <DDLogger>)logger loggerQueue:(dispatch_que
 
 - (void)dealloc
 {
-	#if NEEDS_DISPATCH_RETAIN_RELEASE
+	#if !OS_OBJECT_USE_OBJC
 	if (loggerQueue) dispatch_release(loggerQueue);
 	#endif
 }
@@ -977,7 +952,7 @@ - (id)init
 
 - (void)dealloc
 {
-	#if NEEDS_DISPATCH_RETAIN_RELEASE
+	#if !OS_OBJECT_USE_OBJC
 	if (loggerQueue) dispatch_release(loggerQueue);
 	#endif
 }