memcached+magent组成高可用

5290589

[root@i-0boypofz  magent]# make
gcc  -Wall -g -O2 -I/usr/local/include -m64 -c -o magent.o magent.c
magent.c:71:19:  error: event.h: No such file or directory
　　magent.c:130: error: field ‘ev’ has incomplete type
　　magent.c:161: error: field ‘ev’ has incomplete type
　　magent.c: In function ‘server_free’:
magent.c:494:  warning: implicit declaration of function ‘event_del’
magent.c:  In function ‘pool_server_handler’:
　　magent.c:514: error: ‘EV_READ’ undeclared (first use in this function)

magent.c:514:  error: (Each undeclared>
　　# 解决办法，检查下libevent安装路径，如果自定义安装了，拷贝下路径库。
ln -s /usr/lib/libevent*  /usr/lib64/

[root@i-0boypofz  magent]# make
gcc  -Wall -g -O2 -I/usr/local/include -m64 -c -o magent.o magent.c
　　magent.c: In function ‘writev_list’:
　　magent.c:729: error: ‘SSIZE_MAX’ undeclared (first use in this function)

magent.c:729:  error: (Each undeclared>magent.c:729:  error: for each function it appears in.)
make:  *** [magent.o] Error 1

　　解决方法：
vi ./ketama.h
　　#在开头加入
#ifndef SSIZE_MAX
#define SSIZE_MAX       32767
#endif

　　#libm.a不存在的时候，需要拷贝下面so，如果没有，需要安装glibc glibc-devel
cp  /usr/lib64/libm.so /usr/lib64/libm.a

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':
/root/libevent-2.0.21-stable/event.c:370:  undefined reference to `clock_gettime'
/usr/lib64/libevent.a(event.o):  In function `detect_monotonic':
/root/libevent-2.0.21-stable/event.c:340:  undefined reference to `clock_gettime'
collect2:  ld returned 1 exit status
make:  *** [magent] Error 1

　　解决方法：

vi  Makefile
CFLAGS  = -Wall -g -O2 -I/usr/local/include $(M64)
　　改为：
CFLAGS  = -lrt -Wall -g -O2 -I/usr/local/include $(M64)



[root@i-0boypofz  magent5]# make
gcc  -lrt -Wall -g -O2 -I/usr/local/include   -o magent magent.o ketama.o -levent
ketama.o:  In function `create_ketama':
/root/magent5/ketama.c:399:  undefined reference to `floorf'
collect2:  ld returned 1 exit status
make:  *** [magent] Error 1

　　解决办法：
vi  Makefile

LIBS =  -levent –lm