缺少动态库socket的编译错误

在编译一个程序时，系统产生如下的错误，原因是makefile中没有包含相应的动态链接库libsocket.so, 需要在makefile中加入-lsocket。

g++ -o /program/netopt/bin/Forecast -L/usr/lib -L/usr/local/lib -L/program/net
opt/lib -L/program/oracle/ora92/lib main.o ForecastForcastServiceSoapService.o
ForecastC.o Forecast.o ForecastPC.o /
-ldl -lpthread -lACE -lnsl -lrt -lclntsh -lOptNetComm -lKpiEngine -lstdc++
未定义 文件中的
符号 在文件中
recv /program/netopt/lib/libKpiEngine.a(stdsoap2.
o) (符号属于隐含从属的/usr/lib/libsocket.so.1)
send /program/netopt/lib/libKpiEngine.a(stdsoap2.
o) (符号属于隐含从属的/usr/lib/libsocket.so.1)
__xnet_connect /program/netopt/lib/libKpiEngine.a(stdsoap2.
o) (符号属于隐含从属的/usr/lib/libsocket.so.1)
__xnet_sendto /program/netopt/lib/libKpiEngine.a(stdsoap2.
o) (符号属于隐含从属的/usr/lib/libsocket.so.1)
__xnet_socket /program/netopt/lib/libKpiEngine.a(stdsoap2.
o) (符号属于隐含从属的/usr/lib/libsocket.so.1)
__xnet_getsockopt /program/netopt/lib/libKpiEngine.a(stdsoap2.
o) (符号属于隐含从属的/usr/lib/libsocket.so.1)
libiconv_close /program/netopt/lib/libOptNetComm.so
accept /program/netopt/lib/libKpiEngine.a(stdsoap2.
o) (符号属于隐含从属的/usr/lib/libsocket.so.1)
listen /program/netopt/lib/libKpiEngine.a(stdsoap2.
o) (符号属于隐含从属的/usr/lib/libsocket.so.1)