create our own extension task and copy the so to the right directory

Rakefile

@@ -2,11 +2,16 @@
 
 require 'rubygems'
 require 'hoe'
+require "rake/extensiontask"
 
-Hoe.plugin :compiler
+Hoe.plugin :minitest
 
 Hoe.spec 'lost' do
   developer('Evan Phoenix', 'evan@phx.io')
+
+  Rake::ExtensionTask.new "lost", spec do |ext|
+    ext.lib_dir = 'lib'
+  end
 end
 
 # vim: syntax=ruby

test/test_lost.rb

@@ -0,0 +1,7 @@
+require 'minitest/autorun'
+
+class TestLost < MiniTest::Unit::TestCase
+  def test_require_works
+    require 'lost'
+  end
+end