v2.0.2

• Allow setting thread pool size using new function
  setThreadPoolSize(). Allow setting the size from log4cplus.properties
  using log4cplus.threadPoolSize property. Lower initial thread pool size
  by half to std::thread::hardware_concurrency() threads. GitHub issue
  #315.

• Fix Autotools based build for MinGW. GitHub issue #317.

• Add configure script option --enable-lto to allow easier LTO builds.

• Optimization of getFormattedTime(). (Alexey Vishtak)

• Introduction of LOG4CPLUS_MACRO_FILE() used in logging macros to allow
  users to redefine it and consequently hide source file names from their
  compiled executables and logging output.
  link