error while loading shared libraries: libmpfr.so.6: cannot open shared object file

今天在升级 gcc 的时候遇见了一个错误

error while loading shared libraries: libmpfr.so.6: cannot open shared object file

解决办法

[root@localhost gcc_bag]# wget https://altlinux.pkgs.org/sisyphus/classic-x86_64/libmpfr6-4.1.0-alt2.x86_64.rpm.html
[root@localhost gcc_bag]# ls
libmpfr6-4.1.0-alt2.x86_64.rpm
[root@localhost gcc_bag]# rpm2cpio libmpfr6-4.1.0-alt2.x86_64.rpm | cpio -div

[root@localhost gcc_bag]# rpm2cpio libmpfr6-4.1.0-alt2.x86_64.rpm | cpio -div
./usr/lib64/libmpfr.so.6
./usr/lib64/libmpfr.so.6.1.0
./usr/share/doc/mpfr-4.1.0
./usr/share/doc/mpfr-4.1.0/AUTHORS
./usr/share/doc/mpfr-4.1.0/BUGS
./usr/share/doc/mpfr-4.1.0/NEWS
5494 blocks

[root@localhost gcc_bag]# ls
libmpfr6-4.1.0-alt2.x86_64.rpm usr

[root@localhost gcc_bag]# mv  ./usr/lib64/libmpfr.so.6 /usr/lib64/
[root@localhost gcc_bag]# mv  ./usr/lib64/libmpfr.so.6.1.0 /usr/lib64/