Fix Growl compile on XCode. Patch with the following command in the growl directory: patch -p1 < growl-xcode.patch

growl-xcode.patch

--- growl.new/Plugins/Actions/SMS/GrowlSMSDisplay.m 2013-04-24 12:50:06.000000000 -0700
+++ growl/Plugins/Actions/SMS/GrowlSMSDisplay.m	2013-04-24 12:38:47.000000000 -0700
@@ -138,7 +138,7 @@
 	CFDataRef			postData = CFStringCreateExternalRepresentation(kCFAllocatorDefault, dataString, kCFStringEncodingUTF8, 0U);
 	CFURLRef			clickatellURL = CFURLCreateWithString(kCFAllocatorDefault, CFSTR("https://api.clickatell.com/xml/xml"), NULL);
 	NSMutableURLRequest	*post = [[NSMutableURLRequest alloc] initWithURL:(NSURL *)clickatellURL];
-	CFStringRef			contentLength = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%u"), CFDataGetLength(postData));
+	CFStringRef			contentLength = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%lu"), CFDataGetLength(postData));
 
 //	NSLog(@"SMS display: Sending data: %@", postData);
 
diff -rupN growl.new/Plugins/Displays/GrowlDisplayWindowController.h growl/Plugins/Displays/GrowlDisplayWindowController.h
--- growl.new/Plugins/Displays/GrowlDisplayWindowController.h	2013-04-24 12:50:11.000000000 -0700
+++ growl/Plugins/Displays/GrowlDisplayWindowController.h	2013-04-24 12:25:10.000000000 -0700
@@ -98,6 +98,9 @@ typedef enum {
 - (NSArray *) activeTransitions;
 - (NSArray *) inactiveTransitions;
 
+// Fix
+NSInteger castMapRet(void *inptr);
+
 /* start transitions using these methods - they return yes if one or more transitions were started.  Will return no if transitions are present but their start and end times have not been configured appropriately */
 - (BOOL) startAllTransitions;
 - (BOOL) startTransition:(GrowlWindowTransition *)transition;
diff -rupN growl.new/Plugins/Displays/GrowlDisplayWindowController.m growl/Plugins/Displays/GrowlDisplayWindowController.m
--- growl.new/Plugins/Displays/GrowlDisplayWindowController.m	2013-04-24 12:50:11.000000000 -0700
+++ growl/Plugins/Displays/GrowlDisplayWindowController.m	2013-04-24 12:25:02.000000000 -0700
@@ -396,9 +396,20 @@ static NSMutableDictionary *existingInst
 	return result;
 }
 
+// Used to fix stupid compiler errors on valid code.
+NSInteger castMapRet(void *inptr) {
+    union ushit
+    {
+        void *ptr;
+        NSInteger num;
+    } shit;
+    shit.ptr = inptr;
+    return shit.num;
+}
+
 - (BOOL) startTransition:(GrowlWindowTransition *)transition {
-	NSInteger startPercentage = (NSInteger) NSMapGet(startTimes, transition);
-	NSInteger endPercentage   = (NSInteger) NSMapGet(endTimes, transition);
+    NSInteger startPercentage = castMapRet(NSMapGet(startTimes, transition));
+	NSInteger endPercentage   = castMapRet(NSMapGet(endTimes, transition));
 
 	// If there were no times set up then the end time would be NULL (0)...
 	if (endPercentage == 0)