log4cpp: Log4cpp (C++ Logging Library) log4cpp: log4cpp: Log4cpp is library of C++ classes for flexible logging to files log4cpp: syslog, IDSA and other destinations. It is modeled after the Log4j log4cpp: Java library, staying as close to their API as is reasonable. log4cpp: log4cpp: log4cpp: log4cpp: log4cpp: log4cpp: