centos7编译安装openvpn错误

运行
[root@MyCloudServer openvpn-2.3.4]# ./configure

末尾出现这个错误
前半部分省略
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating version.sh
config.status: creating Makefile
config.status: creating build/Makefile
config.status: creating build/msvc/Makefile
config.status: creating build/msvc/msvc-generate/Makefile
config.status: creating distro/Makefile
config.status: creating distro/rpm/Makefile
config.status: creating distro/rpm/openvpn.spec
config.status: creating include/Makefile
config.status: creating src/Makefile
config.status: creating src/compat/Makefile
config.status: creating src/openvpn/Makefile
config.status: creating src/openvpnserv/Makefile
config.status: creating src/plugins/Makefile
config.status: creating src/plugins/auth-pam/Makefile
config.status: creating src/plugins/down-root/Makefile
config.status: creating tests/Makefile
config.status: creating sample/Makefile
config.status: creating doc/Makefile
config.status: creating tests/t_client.sh
config.status: creating config.h
config.status: config.h is unchanged
config.status: executing depfiles commands
config.status: executing libtool commands
[root@MyCloudServer openvpn-2.3.4]#