Build Go from source using PowerShell

buildall.ps1

# Author: Jon Maken, All Rights Reserved
# License: 3-clause BSD
# Revision: 2014-04-05 17:44:19 -0600

$toolkit = 'C:\Apps\DevTools\msys32\mingw64\bin'
$targets = 'windows:amd64:1', 'windows:386:0',
           'linux:amd64:0', 'linux:386:0',
           'darwin:amd64:0', 'darwin:386:0'

$orig_path = $env:PATH
$env:PATH = "$toolkit;$env:PATH"

Push-Location src
  $targets | % {
    $env:GOOS, $env:GOARCH, $env:CGO_ENABLED = $_.Split(':')
    switch ($env:CGO_ENABLED) {
      '0' { $cmd = 'make.bat --no-clean' }
      '1' { $cmd = 'all.bat' }
    }

    Write-Host "`n---> building for $env:GOOS/$env:GOARCH platform`n" `
               -foregroundcolor yellow
    Invoke-Expression ".\$cmd"
  }
Pop-Location

Remove-Item env:GOOS, env:GOARCH, env:CGO_ENABLED
$env:PATH = $orig_path