Mac编译 symbol(s) not found for architecture x86_64 ？

zijingshanke

uname
   Darwin Kernel Version 15.3.0: Thu Dec 10 18:40:58 PST 2015; rootnu-3248.30.4~1/RELEASE_X86_64 x86_64

gcc -o "veto_mq_server" ./src/veto_mq_server.o

Undefined symbols for architecture x86_64:
"_zmq_bind", referenced from:
_main in veto_mq_server.o
"_zmq_ctx_new", referenced from:
_main in veto_mq_server.o
"_zmq_recv", referenced from:
_main in veto_mq_server.o
"_zmq_send", referenced from:
_main in veto_mq_server.o
"_zmq_socket", referenced from:
_main in veto_mq_server.o
ld: symbol(s) not found for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)

引用了第三方库ZMQ

/usr/local/include/
-rw-r--r--@ 1 root admin 844 Mar 10 15:00 zmq_utils.h

-rw-r--r--@ 1 root admin 16613 Mar 10 15:00 zmq.h
/usr/local/lib/
lrwxr-xr-x 1 yanrui admin 43 Mar 18 2015 libzmq.4.dylib -> ../Cellar/zeromq/4.0.5_2/lib/libzmq.4.dylib
-rwxr-xr-x 1 root admin 958 Mar 10 15:00 libzmq.la
lrwxr-xr-x 1 root admin 14 Mar 10 15:00 libzmq.dylib -> libzmq.5.dylib
-rw-r--r-- 1 root admin 23545352 Mar 10 15:00 libzmq.a
-rwxr-xr-x 1 root admin 602308 Mar 10 15:00 libzmq.5.dylib

hellioncu

加上 －lzmq

zijingshanke

回复 2# hellioncu

gcc -lzmq -o "veto_mq_server"  ./src/veto_mq_server.o        
ld: library not found for -lzmq
clang: error: linker command failed with exit code 1 (use -v to see invocation)

   

zijingshanke

gcc -L/usr/local/lib -o "veto_mq_server"  ./src/veto_mq_server.o   -lzmq

－L：第三方库路径
-l:  第三方库名称   形如libzmq.so，掐头去尾