$ sudo apt-get update
$ sudo apt-get install gcc-6-plugin-dev-mips64-linux-

gcc-6-plugin-dev-mips64-linux- is installed in your system.

Make ensure the gcc-6-plugin-dev-mips64-linux- package were installed using the commands given below,

$ sudo dpkg-query -l | grep gcc-6-plugin-dev-mips64-linux-*

You will get with gcc-6-plugin-dev-mips64-linux- package name, version, architecture and description in a table

gcc-6-plugin-dev-mips64-linux- package basic information: