diff --git a/src/lib/platform/COSXDragSimulator.m b/src/lib/platform/COSXDragSimulator.m
index 867d4d69..c1dbb2d7 100644
--- a/src/lib/platform/COSXDragSimulator.m
+++ b/src/lib/platform/COSXDragSimulator.m
@@ -18,13 +18,14 @@
 #import <CoreData/CoreData.h>
 #import <Cocoa/Cocoa.h>
 
+#if defined(MAC_OS_X_VERSION_10_7)
+
 NSWindow* g_dragWindow = NULL;
 COSXDragView* g_dragView = NULL;
 
 void
 runCocoaApp()
 {
-#ifdef MAC_OS_X_VERSION_10_7
 	NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
 	
 	NSApplication* app = [[NSApplication alloc] init];
@@ -44,13 +45,11 @@ runCocoaApp()
 	[app run];
 	
 	[pool release];
-#endif
 }
 
 void
 fakeDragging(const char* str, int length, int cursorX, int cursorY)
 {
-#ifdef MAC_OS_X_VERSION_10_7
 	dispatch_async(dispatch_get_main_queue(), ^{
 	NSRect screen = [[NSScreen mainScreen] frame];
 	NSLog ( @"mouseLocation: %d %d", cursorX, cursorY);
@@ -58,7 +57,6 @@ fakeDragging(const char* str, int length, int cursorX, int cursorY)
 	[g_dragWindow setFrame:rect display:YES];
 	[g_dragWindow makeKeyWindow];
 	});
-#endif
 }
 
 CFStringRef
@@ -66,3 +64,5 @@ getCocoaDropTarget()
 {
 	return [g_dragView getDropTarget];
 }
+
+#endif
diff --git a/src/lib/platform/COSXDragView.h b/src/lib/platform/COSXDragView.h
index bf58fcf6..5c2438d2 100644
--- a/src/lib/platform/COSXDragView.h
+++ b/src/lib/platform/COSXDragView.h
@@ -17,6 +17,8 @@
 
 #import <Cocoa/Cocoa.h>
 
+#ifdef MAC_OS_X_VERSION_10_7
+
 @interface COSXDragView : NSView<NSDraggingSource,NSDraggingInfo>
 {
 	NSMutableString*	m_dropTarget;
@@ -26,3 +28,5 @@
 -(void)clearDropTarget;
 
 @end
+
+#endif
diff --git a/src/lib/platform/COSXScreen.cpp b/src/lib/platform/COSXScreen.cpp
index ecbe22bd..a58d9256 100644
--- a/src/lib/platform/COSXScreen.cpp
+++ b/src/lib/platform/COSXScreen.cpp
@@ -604,6 +604,7 @@ COSXScreen::fakeMouseButton(ButtonID id, bool press)
 void
 COSXScreen::getDropTargetThread(void*)
 {
+#if defined(MAC_OS_X_VERSION_10_7)
 	char* cstr = NULL;
 	
 	// wait for 5 secs for the drop destinaiton string to be filled.
@@ -628,6 +629,9 @@ COSXScreen::getDropTargetThread(void*)
 		LOG((CLOG_ERR "failed to get drop target"));
 		m_dropTarget.clear();
 	}
+#else
+	LOG((CLOG_WARN "drag drop not supported"));
+#endif
 	
 	delete m_getDropTargetThread;
 }
@@ -736,9 +740,13 @@ COSXScreen::showCursor()
 	m_cursorHidden = false;
 	
 	if (m_fakeDraggingStarted) {
+#if defined(MAC_OS_X_VERSION_10_7)
 		// TODO: use real file extension
 		fakeDragging("txt", 3, m_xCursor, m_yCursor);
 		fakeMouseButton(kButtonLeft, true);
+#else
+		LOG((CLOG_WARN "drag drop not supported"));
+#endif
 	}
 }
 
diff --git a/src/lib/synergy/CClientApp.cpp b/src/lib/synergy/CClientApp.cpp
index 80b1764d..0bee70f9 100644
--- a/src/lib/synergy/CClientApp.cpp
+++ b/src/lib/synergy/CClientApp.cpp
@@ -536,7 +536,7 @@ CClientApp::mainLoop()
 	// that.
 	DAEMON_RUNNING(true);
 
-#if defined(__APPLE__)
+#if defined(MAC_OS_X_VERSION_10_7)
 	CThread thread(
 		new TMethodJob<CClientApp>(
 			this, &CClientApp::runEventsLoop,
diff --git a/src/lib/synergy/CServerApp.cpp b/src/lib/synergy/CServerApp.cpp
index d886fb4a..d20502be 100644
--- a/src/lib/synergy/CServerApp.cpp
+++ b/src/lib/synergy/CServerApp.cpp
@@ -787,11 +787,11 @@ CServerApp::mainLoop()
 	// that.
 	DAEMON_RUNNING(true);
 	
-#if defined(__APPLE__)
+#if defined(MAC_OS_X_VERSION_10_7)
 	CThread thread(
-				   new TMethodJob<CServerApp>(
-											  this, &CServerApp::runEventsLoop,
-											  NULL));
+		new TMethodJob<CServerApp>(
+			this, &CServerApp::runEventsLoop,
+			NULL));
 	runCocoaApp();
 #else
 	m_events->loop();