automount sshfs with passphrase enabled key

There are many articles to mount sshfs using autofs, but most of them use "empty" passphrase. I come up with a way to enable passphrase. Here is a memo for myself in the future.

Building ROCm on Gentoo

ROCm is a platform to utilze AMD GPU for computing.The most of the components are open source. HIP which is a part of ROCm allows to compile CUDA source.