下载地址：https://sourceforge.net/projects/log4cpp/files/latest/download
解压：
tar -zxvf log4cpp-1.1.4rc2.tar.gz
编译：
cd log4cpp ./configure make make check sudo make install sudo ldconfig
默认安装路径：
头文件：/usr/local/include/log4cpp 库文件：/usr/local/lib
测试范例：
//test.cpp #include "log4cpp/Category.hh" #include "log4cpp/FileAppender.hh" #include "log4cpp/BasicLayout.hh" int main() { //1.实例化一个layout对象 log4cpp::Layout *layout = new log4cpp::BasicLayout(); //2.初始化一个appender对象 log4cpp::Appender *appender = new log4cpp::FileAppender("FileAppender", "./log4cpp1.log"); //3.把layout对象附在appender对象上 appender->setLayout(layout); //4.实例化一个category对象 log4cpp::Category &warn_log = log4cpp::Category::getInstance("test"); //5.设置additivity为false，替换已有的appender warn_log.setAdditivity(false); //5.把appender对象附到category上 warn_log.setAppender(appender); //6.设置category的优先级，低于此优先级的日志不被记录 warn_log.setPriority(log4cpp::Priority::WARN); //记录一些日志 warn_log.info("Program info which cannot be writen"); warn_log.debug("This debuf message will fail to write"); warn_log.alert("Alert info"); //其他记录日志方式 warn_log.log(log4cpp::Priority::WARN, "This will be a logged warning"); log4cpp::Priority::PriorityLevel priority; bool this_is_critical = true; if (this_is_critical) priority = log4cpp::Priority::CRIT; else priority = log4cpp::Priority::DEBUG; warn_log.log(priority, "Importance depends on context"); warn_log.critStream() << "This will show up << as " << 1 << " critical message"; //clean up and flush all appenders log4cpp::Category::shutdown(); return 0; }
编译：
g++ -o test test.cpp -llog4cpp -lpthread
