mpfr from devel:libraries:c_c++ project
选择您的操作系统
添加软件源并手动安装
对于 openSUSE Factory，请以根用户 root 运行下面命令：
zypper addrepo https://download.opensuse.org/repositories/devel:libraries:c_c++/openSUSE_Factory/devel:libraries:c_c++.repo zypper refresh zypper install mpfr