下載libevebt最新版本
安裝步驟：
tar zxvf libevent-1.2.tar.gz
cd libevent-1.2./configure -prefix=/usr/libevent
make
make install
undefined reference to `clock_gettime'
gcc -Wall -g -O2 -I/usr/local/include -m64 -o magent magent.o ketama.o /usr/lib64/libevent.a /usr/lib64/libm.a
/usr/lib64/libevent.a(event.o): In function `gettime':
/home/shuzhi/libevent-1.4.5-stable/event.c:150: undefined reference to `clock_gettime'
/usr/lib64/libevent.a(event.o): In function `detect_monotonic':
/home/shuzhi/libevent-1.4.5-stable/event.c:133: undefined reference to `clock_gettime'
加上這個就ok了。
gcc -lrt -Wall -g -O2 -I/usr/local/include -m64 -o magent magent.o ketama.o /usr/lib64/libevent.a /usr/lib64/libm.a