Simple script to cross-compile a go project in parallel

build.sh

# Requires GNU Parallel
# e.g. `sudo apt-get install parallel`

CC_WIN32=i686-w64-mingw32-gcc
CC_WIN64=x86_64-w64-mingw32-gcc 

name=`basename \`pwd\``
tasks="
env              GOOS=linux   GOARCH=386   CGO_ENABLED=1 go build -trimpath -o bin/${name}32
env              GOOS=linux   GOARCH=amd64 CGO_ENABLED=1 go build -trimpath -o bin/${name}64
env CC=$CC_WIN32 GOOS=windows GOARCH=386   CGO_ENABLED=1 go build -trimpath -o bin/${name}32.exe
env CC=$CC_WIN64 GOOS=windows GOARCH=amd64 CGO_ENABLED=1 go build -trimpath -o bin/${name}64.exe
";

printf "$tasks" | parallel