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diff --git a/templates/Rakefile.template b/templates/Rakefile.template
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+%YAML 1.2
+--- |
+  # -*- ruby -*-
+  require 'rake/extensiontask'
+  require 'rspec/core/rake_task'
+  require 'rubocop/rake_task'
+  require 'bundler/gem_tasks'
+  require 'fileutils'
+
+  load 'tools/distrib/docker_for_windows.rb'
+
+  # Add rubocop style checking tasks
+  RuboCop::RakeTask.new(:rubocop) do |task|
+    task.options = ['-c', 'src/ruby/.rubocop.yml']
+    task.patterns = ['src/ruby/{lib,spec}/**/*.rb']
+  end
+
+  spec = Gem::Specification.load('grpc.gemspec')
+
+  Gem::PackageTask.new(spec) do |pkg|
+  end
+
+  # Add the extension compiler task
+  Rake::ExtensionTask.new('grpc_c', spec) do |ext|
+    ext.source_pattern = '**/*.{c,h}'
+    ext.ext_dir = File.join('src', 'ruby', 'ext', 'grpc')
+    ext.lib_dir = File.join('src', 'ruby', 'lib', 'grpc')
+    ext.cross_compile = true
+    ext.cross_platform = [
+      'x86-mingw32', 'x64-mingw32',
+      'x86_64-linux', 'x86-linux',
+      'universal-darwin'
+    ]
+    ext.cross_compiling do |spec|
+      spec.files = %w( etc/roots.pem grpc_c.32.ruby grpc_c.64.ruby )
+      spec.files += Dir.glob('src/ruby/bin/**/*')
+      spec.files += Dir.glob('src/ruby/ext/**/*')
+      spec.files += Dir.glob('src/ruby/lib/**/*')
+      spec.files += Dir.glob('src/ruby/pb/**/*')
+    end
+  end
+
+  # Define the test suites
+  SPEC_SUITES = [
+    { id: :wrapper, title: 'wrapper layer', files: %w(src/ruby/spec/*.rb) },
+    { id: :idiomatic, title: 'idiomatic layer', dir: %w(src/ruby/spec/generic),
+      tags: ['~bidi', '~server'] },
+    { id: :bidi, title: 'bidi tests', dir: %w(src/ruby/spec/generic),
+      tag: 'bidi' },
+    { id: :server, title: 'rpc server thread tests', dir: %w(src/ruby/spec/generic),
+      tag: 'server' },
+    { id: :pb, title: 'protobuf service tests', dir: %w(src/ruby/spec/pb) }
+  ]
+  namespace :suite do
+    SPEC_SUITES.each do |suite|
+      desc "Run all specs in the #{suite[:title]} spec suite"
+      RSpec::Core::RakeTask.new(suite[:id]) do |t|
+        ENV['COVERAGE_NAME'] = suite[:id].to_s
+        spec_files = []
+        suite[:files].each { |f| spec_files += Dir[f] } if suite[:files]
+
+        if suite[:dir]
+          suite[:dir].each { |f| spec_files += Dir["#{f}/**/*_spec.rb"] }
+        end
+        helper = 'src/ruby/spec/spec_helper.rb'
+        spec_files << helper unless spec_files.include?(helper)
+
+        t.pattern = spec_files
+        t.rspec_opts = "--tag #{suite[:tag]}" if suite[:tag]
+        if suite[:tags]
+          t.rspec_opts = suite[:tags].map { |x| "--tag #{x}" }.join(' ')
+        end
+      end
+    end
+  end
+
+  desc 'Build the Windows gRPC DLLs for Ruby'
+  task 'dlls' do
+    grpc_config = ENV['GRPC_CONFIG'] || 'opt'
+    verbose = ENV['V'] || '0'
+
+    env = 'CPPFLAGS="-D_WIN32_WINNT=0x600 -DUNICODE -D_UNICODE -Wno-unused-variable -Wno-unused-result" '
+    env += 'LDFLAGS=-static '
+    env += 'SYSTEM=MINGW32 '
+    env += 'EMBED_ZLIB=true '
+    env += 'BUILDDIR=/tmp '
+    env += "V=#{verbose} "
+    out = '/tmp/libs/opt/grpc-${settings.core_version.major}.dll'
+
+    w64 = { cross: 'x86_64-w64-mingw32', out: 'grpc_c.64.ruby' }
+    w32 = { cross: 'i686-w64-mingw32', out: 'grpc_c.32.ruby' }
+
+    [ w64, w32 ].each do |opt|
+      env_comp = "CC=#{opt[:cross]}-gcc "
+      env_comp += "LD=#{opt[:cross]}-gcc "
+      docker_for_windows "#{env} #{env_comp} make -j #{out} && #{opt[:cross]}-strip -x -S #{out} && cp #{out} #{opt[:out]}"
+    end
+
+  end
+
+  desc 'Build the native gem file under rake_compiler_dock'
+  task 'gem:native' do
+    verbose = ENV['V'] || '0'
+
+    grpc_config = ENV['GRPC_CONFIG'] || 'opt'
+
+    if RUBY_PLATFORM =~ /darwin/
+      FileUtils.touch 'grpc_c.32.ruby'
+      FileUtils.touch 'grpc_c.64.ruby'
+      system "rake cross native gem RUBY_CC_VERSION=2.3.0:2.2.2:2.1.5:2.0.0 V=#{verbose} GRPC_CONFIG=#{grpc_config}"
+    else
+      Rake::Task['dlls'].execute
+      docker_for_windows "bundle && rake cross native gem RUBY_CC_VERSION=2.3.0:2.2.2:2.1.5:2.0.0 V=#{verbose} GRPC_CONFIG=#{grpc_config}"
+    end
+  end
+
+  # Define dependencies between the suites.
+  task 'suite:wrapper' => [:compile, :rubocop]
+  task 'suite:idiomatic' => 'suite:wrapper'
+  task 'suite:bidi' => 'suite:wrapper'
+  task 'suite:server' => 'suite:wrapper'
+  task 'suite:pb' => 'suite:server'
+
+  desc 'Compiles the gRPC extension then runs all the tests'
+  task all: ['suite:idiomatic', 'suite:bidi', 'suite:pb', 'suite:server']
+  task default: :all