Minimal Log4Cocoa stup

gistfile1.h

// log every category
[[L4Logger rootLogger] setLevel:[L4Level all]];
// send log messages to console
L4ConsoleAppender *consoleAppender=[[[L4ConsoleAppender alloc] initTarget:YES withLayout: [L4Layout simpleLayout]] autorelease];
[[L4Logger rootLogger] addAppender: consoleAppender];
L4Logger *theLogger = [L4Logger loggerForClass:[L4FunctionLogger class]];
[theLogger setLevel:[L4Level debug]];
//
log4Info(@"The logging system has been initialized.");