log4cplus: log4cplus (A C++ logger very close to Java's log4j) log4cplus: log4cplus: Log4cplus is a simple to use C++ logging API providing thread-safe, log4cplus: flexible, and arbitrarily granular control over log management and log4cplus: configuration. It is modelled after the Java log4j API. log4cplus: log4cplus: log4cplus: log4cplus: log4cplus: log4cplus: