RG99
build gmenu2x
步驟如下：
$ cd $ wget https://github.com/steward-fu/rg99/releases/download/v1.0/toolchain_rg99.tar.gz $ tar xvf toolchain_rg99.tar.gz $ sudo mv rg99 /opt/ $ export PATH=$PATH:/opt/rg99/usr/bin $ cd $ wget https://github.com/steward-fu/rg99/releases/download/v1.1/gmenu2x.tar.gz $ tar xvf gmenu2x.tar.gz $ cd gmenu2x $ make