编译c++时出现error while loading shared libraries: libzmq.so.5: cannot open shared object file: No such file or directory

ldd test1通过ldd命令查看可执行程序依赖了哪些so库，哪些是找不到的

然后使用export LD_LIBRARY_PATH=LD_LIBRARY_PATH:/usr/local/lib 重新设置路径