install gphys on RockyLinux 8.8

TL;DR

• install gphys（電脳地球ライブラリ）
• use gcc & gfortran
• use DCL-7.5.1（電脳地球ライブラリ）
• rocky linux 8.8

url

prepare

install DCL-7.5.1

install ruby

ruby -v
# ruby 3.3.5 (2024-09-03 revision ef084cc8f4) [x86_64-linux]

install rake-compiler

require for gem build

gem install rake-compiler

gphys

get

git clone http://dennou-k.gfd-dennou.org/arch/ruby/products/gphys/git_repos/gphys.git

rake build

cd gphys

touch ChangeLog
rake build --trace

install

cd pkg
gem install gphys-1.5.7.alpha.gem