Go Cross Compilation

build_all.rb

ROOT_PKG = "jaci/openrio/butterknife"
ARCH_ALL = [
  "darwin_386", "darwin_amd64",
  "freebsd_386", "freebsd_amd64",
  "linux_386", "linux_amd64", "linux_arm",
  "windows_386", "windows_amd64"
]

ARCH = ARCH_ALL.select {|arch| arch[/(windows|linux|darwin).*/] }      # Only build what we need
puts "OS Build List: #{ARCH}"

MAKE_FILE = (/cygwin|mswin|mingw|bccwin|wince|emx/ =~ RUBY_PLATFORM) != nil ? "make.bat" : "make.bash"
ARCH.each do |arch|
  archs = arch.split /_/
  puts "Build for OS: #{archs[0]} #{archs[1]}"
  ENV["GOOS"] = archs[0]
  ENV["GOARCH"] = archs[1]
  ENV["GOPATH"] = File.absolute_path(".")
  exit_code = system "go install #{ROOT_PKG}"
  unless exit_code
    puts "Configuring Runtime..."
    Dir.chdir("#{ENV["GOROOT"]}/src") do
      ` #{MAKE_FILE} `
    end
    system "go install #{ROOT_PKG}"
  end
end