you need the liblog4cpp,the log4cpp download address:
http://log4cpp.sourceforge.net/
#define LOGFORMAT "loginit-demo.conf"
CLogHelper::FormatInit(LOGFORMAT);
#define AMODULE "ModuleA"
LOGRS(AMODULE, LOGLV::LERROR, "Test Error Message!");
LOGRS(AMODULE, LOGLV::LWARN, "Test Warning Message!");
LOGRS(AMODULE, LOGLV::LNOTICE, "Test Notice Message!");
LOGRS(AMODULE, LOGLV::LINFO, "Test Info Message!");
LOGRS(AMODULE, LOGLV::LDEBUG, "Test Debug Message! %s, %d, %f", "123", 456, 78.9);