How to make Autoresize property work in Xcode 4.3?
myLabel.adjustsFontSizeToFitWidth = YES;

// UIView+viewRecursion.h
@interface UIView (viewRecursion)
- (NSMutableArray*) allSubViews;
@end
// UIView+viewRecursion.m
@implementation UIView (viewRecursion)
- (NSMutableArray*)allSubViews
{
    NSMutableArray *arr=[[NSMutableArray alloc] init];
    [arr addObject:self];
    for (UIView *subview in self.subviews)
    {
        [arr addObjectsFromArray:(NSArray*)[subview allSubViews]];
    }
    return arr;
}
@end

+(void)fixLabels:(UIView *)theView{

    for(UIView *v in [theView allSubViews])
    {
        if([v isKindOfClass:[UILabel class]])
        {
            if( !((UILabel*)v).adjustsFontSizeToFitWidth ){
                ((UILabel*)v).adjustsFontSizeToFitWidth=YES;
                //  NSLog(@"fixed %@", theView);
            }
        }
    }
}

[Utility fixLabels:self.view];

myLabel.adjustsFontSizeToFitWidth = YES;