magent编译报错error: event.h: No such file or directory
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magent编译安装整理:
# tar zxvf magent-0.5.tar.gz
# /sbin/ldconfig
# sed -i "s#LIBS = -levent#LIBS = -levent -lm#g" Makefile
# make
# cp magent /usr/bin/magent
过程中报错及解决办法:
- </pre><pre name="code" class="html">[root@Day magent]# cd magent/
- [root@Day magent]# tar -zxvf magent-0.6.tar.gz
- [root@Day magent]# /sbin/ldconfig
- [root@Day magent]# sed -i "s#LIBS=-levent#LIBS=-levent -lm#g" Makefile
- [root@Day magent]# make
- gcc -Wall -O2 -g -c -o magent.o magent.c
- magent.c:64:19: error: event.h: No such file or directory
- magent.c:123: error: field ‘ev’ has incomplete type
- magent.c:153: error: field ‘ev’ has incomplete type
- magent.c: In function ‘server_free’:
- magent.c:467: warning: implicit declaration of function ‘event_del’
- magent.c: In function ‘put_server_into_pool’:
- magent.c:521: error: invalid application of ‘sizeof’ to incomplete type ‘struct event’
- magent.c: In function ‘writev_list’:
- magent.c:623: error: ‘SSIZE_MAX’ undeclared (first use in this function)
- magent.c:623: error: (Each undeclared identifier is reported only once
- magent.c:623: error: for each function it appears in.)
- magent.c: In function ‘out_string’:
- magent.c:695: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c:698: warning: implicit declaration of function ‘event_set’
- magent.c:698: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c:699: warning: implicit declaration of function ‘event_add’
- magent.c: In function ‘do_transcation’:
- magent.c:815: error: invalid application of ‘sizeof’ to incomplete type ‘struct event’
- magent.c:817: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c:817: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c: In function ‘start_backup_transcation’:
- magent.c:901: error: invalid application of ‘sizeof’ to incomplete type ‘struct event’
- magent.c:903: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c:903: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c: In function ‘try_backup_server’:
- magent.c:993: error: invalid application of ‘sizeof’ to incomplete type ‘struct event’
- magent.c:995: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c:995: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c: In function ‘drive_memcached_server’:
- magent.c:1013: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c:1059: error: ‘EV_READ’ undeclared (first use in this function)
- magent.c:1061: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c: In function ‘process_get_response’:
- magent.c:1235: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c:1237: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c: In function ‘process_update_response’:
- magent.c:1282: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c:1284: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c: In function ‘drive_backup_server’:
- magent.c:1304: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c:1342: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c:1342: error: ‘EV_READ’ undeclared (first use in this function)
- magent.c: In function ‘drive_client’:
- magent.c:1617: error: ‘EV_READ’ undeclared (first use in this function)
- magent.c:1668: error: ‘EV_WRITE’ undeclared (first use in this function)
- magent.c:1681: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c: In function ‘server_accept’:
- magent.c:1733: error: invalid application of ‘sizeof’ to incomplete type ‘struct event’
- magent.c:1734: error: ‘EV_READ’ undeclared (first use in this function)
- magent.c:1734: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c: In function ‘main’:
- magent.c:2105: warning: implicit declaration of function ‘event_init’
- magent.c:2110: error: ‘EV_READ’ undeclared (first use in this function)
- magent.c:2110: error: ‘EV_PERSIST’ undeclared (first use in this function)
- magent.c:2120: warning: implicit declaration of function ‘event_loop’
- make: *** [magent.o] Error 1
分析:起一个error说缺少.h文件,因为我用的libevent是用rpm方式安装的,用 find / -name event.h查找event.h 结果如下:
- [root@Day ~]# find / -name event.h
- /usr/src/kernels/2.6.32-358.el6.x86_64/include/config/acpi/proc/event.h
- /usr/src/kernels/2.6.32-358.el6.x86_64/include/config/kprobe/event.h
该文件没有被包含在/usr/include或者/usr/local/include的头文件目录中,可能是跟rpm方式安装有关系,故改用编译安装libevent,再试,继续make(第一个event.h问题解决,说明libevent尽量要用编译安装的方式安装,以避免不必要的麻烦和错误。)
- [root@Day Packages]# find / -name event.h
- /usr/local/libevent/include/event2/event.h
- /usr/local/libevent/event.h
- /usr/local/include/event2/event.h
- /usr/local/include/event.h
- /usr/src/kernels/2.6.32-358.el6.x86_64/include/config/acpi/proc/event.h
- /usr/src/kernels/2.6.32-358.el6.x86_64/include/config/kprobe/event.h
- [root@Day magent]# make
- gcc -Wall -O2 -g -c -o magent.o magent.c
- magent.c: In function ‘writev_list’:
- magent.c:623: error: ‘SSIZE_MAX’ undeclared (first use in this function)
- magent.c:623: error: (Each undeclared identifier is reported only once
- magent.c:623: error: for each function it appears in.)
- make: *** [magent.o] Error 1
解决办法:
- vim ./ketama.h
- #在开头加入
- #ifndef SSIZE_MAX
- #define SSIZE_MAX 32767
- #endif
继续make:- [root@Day magent]# make
- gcc -Wall -O2 -g -c -o magent.o magent.c
- gcc -Wall -O2 -g -c -o ketama.o ketama.c
- gcc -Wall -O2 -g -o magent magent.o ketama.o -levent -lm
- [root@Day magent]# ll
- total 332
- -rw-r--r--. 1 500 502 12821 Sep 16 14:16 ketama.c
- -rw-r--r--. 1 500 502 393 Sep 16 14:17 ketama.h
- -rw-r--r--. 1 root root 23520 Sep 16 14:17 ketama.o
- -rwxr-xr-x. 1 root root 90746 Sep 16 14:17 magent
- -rw-r--r--. 1 root root 16394 Sep 16 13:34 magent-0.5.tar.gz
- -rw-r--r--. 1 root root 17257 Sep 16 11:12 magent-0.6.tar.gz
- -rw-rw-r--. 1 500 502 48845 Sep 27 2008 magent.c
- -rw-r--r--. 1 root root 102848 Sep 16 14:17 magent.o
- -rw-rw-r--. 1 500 502 347 Sep 16 13:58 Makefile
- [root@Day magent]#
没有报错,生成了 magent。
在这里,推荐参考:
http://blog.snsgou.com/post-820.html