Unix网络编程（卷2）源码编译报错解决
原文： http://blog.csdn.net/caianye/article/details/6898401
http://www.linuxidc.com/Linux/2012-03/56274.htm
源码下载地点：http://www.kohala.com/start/unpv22e/unpv22e.html
1、按照Readme操作，进入lib目录下make报错：
gcc -g -O2 -D_REENTRANT -Wall -D_POSIX_PTHREAD_SEMANTICS -c -o daemon_inetd.o daemon_inetd.c
In file included from /usr/include/netinet/in.h:24,
from /usr/include/rpc/types.h:90,
from /usr/include/rpc/rpc.h:38,
from unpipc.h:115,
from daemon_inetd.c:1:
/usr/include/stdint.h:49: error: duplicate ‘unsigned’
/usr/include/stdint.h:49: error: two or more data types in declaration specifiers
/usr/include/stdint.h:50: error: duplicate ‘unsigned’
/usr/include/stdint.h:50: error: duplicate ‘short’
/usr/include/stdint.h:52: error: duplicate ‘unsigned’
/usr/include/stdint.h:52: error: two or more data types in declaration specifiers
make: *** [daemon_inetd.o] 错误 1
修改config.h 注释掉一下三行：
//#define uint8_t unsigned char /* <sys/types.h> */
//#define uint16_t unsigned short /* <sys/types.h> */
//#define uint32_t unsigned int /* <sys/types.h> */
2、链接报错：将生成的libunpipc.a链接到我们的c程序时报错。
./libunpipc.a(wrapunix.o): In function `Mktemp':
/home/vonnyfly/Document/unix_src/unpv22e/lib/wrapunix.c:184: warning: the use of `mktemp' is dangerous, better use `mkstemp' or `mkdtemp'
/tmp/ccKNDn2N.o: In function `main':
mqcreate1.c:(.text+0x3a): undefined reference to `GetOpt'
./libunpipc.a(wrapunix.o): In function `Shm_unlink':
wrapunix.c:(.text+0x54d): undefined reference to `shm_unlink'
./libunpipc.a(wrapunix.o): In function `Shm_open':
wrapunix.c:(.text+0x58c): undefined reference to `shm_open'
./libunpipc.a(wrapunix.o): In function `Sem_getvalue':
wrapunix.c:(.text+0x6d4): undefined reference to `sem_getvalue'
./libunpipc.a(wrapunix.o): In function `Sem_post':
wrapunix.c:(.text+0x6fd): undefined reference to `sem_post'
./libunpipc.a(wrapunix.o): In function `Sem_trywait':
wrapunix.c:(.text+0x72e): undefined reference to `sem_trywait'
./libunpipc.a(wrapunix.o): In function `Sem_wait':
wrapunix.c:(.text+0x77d): undefined reference to `sem_wait'
./libunpipc.a(wrapunix.o): In function `Sem_destroy':
wrapunix.c:(.text+0x7ad): undefined reference to `sem_destroy'
./libunpipc.a(wrapunix.o): In function `Sem_init':
wrapunix.c:(.text+0x7eb): undefined reference to `sem_init'
./libunpipc.a(wrapunix.o): In function `Sem_unlink':
wrapunix.c:(.text+0x81d): undefined reference to `sem_unlink'
./libunpipc.a(wrapunix.o): In function `Sem_close':
wrapunix.c:(.text+0x84d): undefined reference to `sem_close'
./libunpipc.a(wrapunix.o): In function `Sem_open':
wrapunix.c:(.text+0x897): undefined reference to `sem_open'
wrapunix.c:(.text+0x8b0): undefined reference to `sem_open'
./libunpipc.a(wrapunix.o): In function `Mq_setattr':
wrapunix.c:(.text+0xbeb): undefined reference to `mq_setattr'
./libunpipc.a(wrapunix.o): In function `Mq_getattr':
wrapunix.c:(.text+0xc24): undefined reference to `mq_getattr'
./libunpipc.a(wrapunix.o): In function `Mq_notify':
wrapunix.c:(.text+0xc54): undefined reference to `mq_notify'
./libunpipc.a(wrapunix.o): In function `Mq_receive':
wrapunix.c:(.text+0xc92): undefined reference to `mq_receive'
./libunpipc.a(wrapunix.o): In function `Mq_send':
wrapunix.c:(.text+0xce2): undefined reference to `mq_send'
./libunpipc.a(wrapunix.o): In function `Mq_unlink':
wrapunix.c:(.text+0xd0d): undefined reference to `mq_unlink'
./libunpipc.a(wrapunix.o): In function `Mq_close':
wrapunix.c:(.text+0xd3d): undefined reference to `mq_close'
./libunpipc.a(wrapunix.o): In function `Mq_open':
wrapunix.c:(.text+0xd79): undefined reference to `__mq_open_2'
wrapunix.c:(.text+0xd9e): undefined reference to `mq_open'
collect2: ld returned 1 exit status
解决办法：gcc 添加-lrt命令选项（具体查看man mq_open)
3、找不到GetOpt：
/tmp/ccv1UEy3.o: In function `main':
mqcreate1.c:(.text+0x3a): undefined reference to `GetOpt'
collect2: ld returned 1 exit status
直接把程序改了getopt，没关系。
======================================华丽割==========================================
1） /usr/include/stdint.h:49:24: error: duplicate ‘unsigned’
参考第一个，将config.h中的那3行注释掉，再次进入./lib 执行 make 成功