Rakefile in rs_232-2.3.2.pre vs Rakefile in rs_232-3.0.0.pre2

@@ -1,13 +1,35 @@
 lib = File.expand_path '../lib', __FILE__
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include? lib
+
 require 'bundler/setup'
 require 'bundler/gem_tasks'
-require 'rake'
 
-load 'tasks/clean.rake'
-load 'tasks/cov.rake'
-load 'tasks/rspec.rake'
-load 'tasks/cucumber.rake'
-load 'tasks/compile.rake'
+require 'rake/extensiontask'
+Rake::ExtensionTask.new('rs_232') do |ext|
+  ext.name = 'rs_232_native'
+  ext.source_pattern = '*.{c,cpp}'
+end
 
-task default: [:clobber, :compile, :spec, :features]
+require 'rake/clean'
+CLEAN.include %w(**/*.{log} doc coverage tmp pkg **/*.{o,so,bundle} Makefile)
+
+require 'simplecov'
+task :cov do
+  ENV['SIMPLECOV'] = 'features'
+  Rake::Task['default'].invoke
+end
+
+require 'cucumber/rake/task'
+Cucumber::Rake::Task.new(:features) do |t|
+  t.fork = true
+  t.profile = :default
+end
+
+require 'rspec/core/rake_task'
+RSpec::Core::RakeTask.new do |t|
+  t.fail_on_error = false
+  t.verbose = true
+  t.rspec_opts = '--format RspecJunitFormatter  --out rspec.xml --tag ~wip'
+end
+
+task default: [:clobber, :compile, :spec]