liblog4cplus-dbg 1.1.2-3.2build1 (amd64 binary) in ubuntu focal

 log4cplus is a simple to use C++ logging API providing thread-safe,
 flexible, and arbitrarily granular control over log management and
 configuration. It is modeled after the Java log4j API.
 .
 This package is provided primarily to provide a backtrace with names
 in a debugger, this makes it somewhat easier to interpret core
 dumps. Most people will not need this package.