glog

C++ logging library with application-level logging support

brewmacoslinux

Try with needOr install directly

About

Application-level logging library

glog

Include glog in C++ project for structured logging

$ #include <glog/logging.h>
int main() {
  google::InitGoogleLogging(argv[0]);
  LOG(INFO) << "Info message";
  return 0;
}

Set log level via environment variable$ GLOG_minloglevel=1 ./my_program

Write logs to specific directory$ GLOG_log_dir=/var/log ./my_program