Apache Log4cxx is a logging framework for C++.
For answers to such questions as "What is logging?", "What should a logging framework do?" and "How to do logging properly?" refer to the logging overview page.
The quick start guide shows what code you write to use Log4cxx in your project.
For other information about Log4cxx (e.g. getting help, official release downloads, building Log4cxx) use the Log4cxx project website.
Log4cxx is part of the Apache Logging Services PMC.