這是本文件的舊版！
Cross compile
From linux to windows
Make sure the toolchain for windows is installed.
sudo pacman -S mingw-w64-gcc
32bit
CGO_ENABLED=1 CC=i686-w64-mingw32-gcc GOOS=windows GOARCH=386 go build -o gorvp.exe main.go
64bit
CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc GOOS=windows GOARCH=amd64 go build -o gorvp.exe main.go
