Rakefile in plain_apm-0.4.0 vs Rakefile in plain_apm-0.5.0

@@ -2,15 +2,18 @@
 
 require "bundler/gem_tasks"
 require "appraisal"
 require "standard/rake"
 require "rake/testtask"
+require "rake/extensiontask"
 
 Rake::TestTask.new(:test) do |t|
   t.libs << "test"
   t.libs << "lib"
   t.test_files = FileList["test/**/*_test.rb"]
 end
+
+Rake::ExtensionTask.new("object_tracing")
 
 namespace :test do
   task all: "appraisal:all"
 end