我在CentOS 6上使用了zeromq3和czmq，最近我正尝试将OS从CentOS 6升级到CentOS7。但是，默认的epel软件包仅为zeromq4提供了czmq。为zeromq3安装czmq的正确方法是什么？ 这是日志
# yum install czmq-devel
... omit
Error: zeromq3-devel conflicts with zeromq-devel-4.1.4-5.el7.x86_64
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest
# yum install --skip-broken czmq-devel
... omit
--> Processing Conflict: zeromq3-devel-3.2.5-1.el7.x86_64 conflicts zeromq-devel(x86-64)
epel/x86_64/filelists | 10 MB 00:00:03
Packages skipped because of dependency problems:
czmq-3.0.2-3.el7.x86_64 from epel
czmq-devel-3.0.2-3.el7.x86_64 from epel
libsodium13-1.0.5-1.el7.x86_64 from epel
zeromq-4.1.4-5.el7.x86_64 from epel
zeromq-devel-4.1.4-5.el7.x86_64 from epel