PocketGo >> Retroarch
build 4do-libretro
參考資訊：
1. wiki
編譯步驟如下：
$ cd ~
$ export PATH=$PATH:/opt/miyoo/bin
$ export TARGETMACH=arm-linux
$ export BUILDMACH=i686-pc-linux-gnu
$ export CROSS=arm-linux
$ export CC=${CROSS}-gcc
$ export LD=${CROSS}-ld
$ export AS=${CROSS}-as
$ export CXX=${CROSS}-g++
$ git clone https://github.com/libretro/4do-libretro
$ cd 4do-libretro
$ make