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Ruby DevKit (1.8 & 1.9)

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This package was approved by moderator gep13 on 11/21/2014.

Ruby Development Kit (DevKit) is a toolkit that makes it easy to build and use native C/C++ extensions such as RDiscount and RedCloth for Ruby on Windows.

This no longer takes a dependency on Ruby. Please install that first.

To install Ruby DevKit (1.8 & 1.9), run the following command from the command line or from PowerShell:

C:\> choco install ruby.devkit

To upgrade Ruby DevKit (1.8 & 1.9), run the following command from the command line or from PowerShell:

C:\> choco upgrade ruby.devkit


  • tools\chocolateyInstall.ps1 Show
    try {
      $binRoot = Get-BinRoot
      if ($binRoot -eq $null) {
        $binRoot = "$env:systemdrive\"
      $devKitInstallDir = join-path $binRoot 'DevKit'
      write-host "Chocolatey is installing DevKit to $devKitInstallDir"
      write-host "Please wait..."
      Start-sleep 3
      if (![System.IO.Directory]::Exists($devKitInstallDir)) {[System.IO.Directory]::CreateDirectory($devKitInstallDir)}
      $tempDir = "$env:TEMP\chocolatey\ruby.devkit"
      if (![System.IO.Directory]::Exists($tempDir)) {[System.IO.Directory]::CreateDirectory($tempDir)}
      $file = Join-Path $tempDir "ruby.devkitInstall.exe"
      Get-ChocolateyWebFile 'ruby.devkit' "$file" ''
      if ($($env:Path).ToLower().Contains("ruby") -eq $false) {
        $env:Path = [Environment]::GetEnvironmentVariable('Path',[System.EnvironmentVariableTarget]::Machine);
      # Preparation
      #If you previously installed the legacy DevKit devkit-3.4.5r3-20091110.7z, its artifacts were extracted into each Ruby installation and need to be manually removed. Remove the gcc.bat, make.bat, and sh.bat stub batch files in <RUBY_INSTALL_DIR>\bin and the <RUBY_INSTALL_DIR>\devkit subdirectory for each Ruby installation using the legacy DevKit.
      $pathItems = $env:Path
      foreach($pathItem in $pathItems -split ";") {
        if ($pathItem -ilike "*ruby*bin") {
          Write-Host "Removing legacy install devkit items from $pathItem if they exist"
          if ([System.IO.File]::Exists("$($pathItem)\gcc.bat")) { Remove-Item "$($pathItem)\gcc.bat" -force}
          if ([System.IO.File]::Exists("$($pathItem)\make.bat")) { Remove-Item "$($pathItem)\make.bat" -force}
          if ([System.IO.File]::Exists("$($pathItem)\sh.bat")) { Remove-Item "$($pathItem)\sh.bat" -force}
          $oldDevKit = Join-Path (Split-Path -Parent $pathItem) 'devkit'
          if ([System.IO.Directory]::Exists("$oldDevKit")) {[System.IO.Directory]::Delete($oldDevKit,$true)}
      # clean out the recommended directories
      # 2. Delete all the <DEVKIT_INSTALL_DIR> subdirectories and files except for config.yml. If you’ve made any customizations to the MSYS shell you may also want to keep files in the etc and home subdirectories.
      if ([System.IO.File]::Exists("$($devKitInstallDir)\config.yml")) {
        Write-Host "Moving config.yml to a holding location prior to extraction"
        Copy-Item "$($devKitInstallDir)\config.yml" "$tempDir" -Force
      if ([System.IO.Directory]::Exists("$($devKitInstallDir)\etc")) {
        Write-Host "Moving etc dir to a holding location prior to extraction"
        if (![System.IO.Directory]::Exists("$($tempDir)\etc")) {[System.IO.Directory]::CreateDirectory("$($tempDir)\etc")}
        Copy-Item "$($devKitInstallDir)\etc\*" "$($tempDir)\etc" -Force -Recurse
      if ([System.IO.Directory]::Exists("$($devKitInstallDir)\home")) {
        Write-Host "Moving home dir to a holding location prior to extraction"
        if (![System.IO.Directory]::Exists("$($tempDir)\home")) {[System.IO.Directory]::CreateDirectory("$($tempDir)\home")}
        Copy-Item "$($devKitInstallDir)\home\*" "$($tempDir)\home" -Force -Recurse
      write-host "Cleaning out the contents of $devKitInstallDir"
      start-sleep 1
      Remove-Item "$($devKitInstallDir)\*" -recurse -force
      # 3. Extract the new SFX DevKit into the same <DEVKIT_INSTALL_DIR> that you just cleaned up.
      write-host "Extracting the contents of $file to $devKitInstallDir"
      start-sleep 3
      #& 7za x -o"$devKitInstallDir" -y "$file"
      Start-Process "7za" -ArgumentList "x -o`"$devKitInstallDir`" -y `"$file`"" -Wait
      if ([System.IO.File]::Exists("$($tempDir)\config.yml")) {
        Write-Host "Moving config.yml back after extraction"
        Copy-Item "$($tempDir)\config.yml" "$devKitInstallDir" -Force
      if ([System.IO.Directory]::Exists("$($tempDir)\etc")) {
        Write-Host "Moving etc dir back after extraction"
        Copy-Item "$($tempDir)\etc\*" "$($devKitInstallDir)\etc" -Force -Recurse
      if ([System.IO.Directory]::Exists("$($tempDir)\home")) {
        Write-Host "Moving home dir back after extraction"
        Copy-Item "$($tempDir)\home\*" "$($devKitInstallDir)\home" -Force -Recurse
      # 4. Review your config.yml file to ensure it contains the root directories of all the installed Rubies you want enhanced to use the DevKit.
      Write-Host "You may want to configure your config.yml after this installation and rerun 'cinst ruby.devkit' if the defaults do not meet your needs"
      Start-Sleep 5
      # 5. From a Command Prompt, cd into the <DEVKIT_INSTALL_DIR> directory and run ruby dk.rb install --force. This will cause all your installed Rubies listed in config.yml to use the updated SFX DevKit when building native gems and update the DevKit’s helper scripts (devkit.rb and operating_system.rb) with any new functionality. For safety, the original helper scripts are timestamp archived beside the new helper scripts. It’s always a good idea to review the two versions (and potentially make modifications) to ensure configuration specific to your system still works as expected.
      Write-Host "Initializing and installing DevKit into Ruby."
      cd $devKitInstallDir
      & ruby dk.rb init
      & ruby dk.rb install --force
      start-sleep 3
      Write-ChocolateySuccess 'ruby.devkit'
    } catch {
      Write-ChocolateyFailure 'ruby.devkit' "$($_.Exception.Message)"



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Version History

Version Downloads Last updated Status
Ruby DevKit (1.8 & 1.9) 3776 Sunday, November 10, 2013 approved
Ruby DevKit 2282 Friday, February 3, 2012  
Ruby DevKit 134 Monday, January 9, 2012  
Ruby DevKit 4.5.2 208 Tuesday, August 23, 2011  

Discussion for the Ruby DevKit (1.8 & 1.9) Package

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  • Tell us what you love about the package or Ruby DevKit (1.8 & 1.9), or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.

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