diff --git a/lib/rb/Gemfile b/lib/rb/Gemfile
new file mode 100644
index 0000000..1c86af9
--- /dev/null
+++ b/lib/rb/Gemfile
@@ -0,0 +1,4 @@
+source "http://rubygems.org"
+
+gemspec
+
diff --git a/lib/rb/Makefile.am b/lib/rb/Makefile.am
index 39c04d9..a3ea975 100644
--- a/lib/rb/Makefile.am
+++ b/lib/rb/Makefile.am
@@ -20,8 +20,8 @@
 EXTRA_DIST = \
 	CHANGELOG \
 	Rakefile \
-	Manifest \
-	setup.rb \
+	Gemfile \
+	thrift.gemspec \
 	lib \
 	ext \
 	benchmark \
@@ -31,19 +31,17 @@
 DESTDIR ?= /
 
 all-local:
-	if [ -n "$(RUBY_PREFIX)" ] ; then $(RUBY) setup.rb config --prefix=$(DESTDIR)$(RUBY_PREFIX) --rbdir='$$libdir/ruby' --sodir='$$libdir/ruby' ; elif [ -n "$(DESTDIR)" ] ; then $(RUBY) setup.rb config --prefix=$(DESTDIR) ; else $(RUBY) setup.rb config ; fi
-	$(RUBY) setup.rb setup
+	$(RAKE) build_ext
 
 install-exec-hook:
-	$(RUBY) setup.rb install --prefix=$(DESTDIR)
+	$(RAKE) install
 
-# Make sure this doesn't fail if Ruby is not configured.
 clean-local:
-	RUBY=$(RUBY) ; if test -z "$$RUBY" ; then RUBY=: ; fi ; \
-	$$RUBY setup.rb clean
+	$(RAKE) clean
 
 check-local: all
-if HAVE_RSPEC
-	rake spec
+if HAVE_BUNDLER
+	$(BUNDLER) install
+	$(BUNDLER) exec rake
 endif
 
diff --git a/lib/rb/Manifest b/lib/rb/Manifest
deleted file mode 100644
index fd1f031..0000000
--- a/lib/rb/Manifest
+++ /dev/null
@@ -1,84 +0,0 @@
-CHANGELOG
-Manifest
-Rakefile
-README
-setup.rb
-benchmark/benchmark.rb
-benchmark/Benchmark.thrift
-benchmark/client.rb
-benchmark/server.rb
-benchmark/thin_server.rb
-ext/binary_protocol_accelerated.c
-ext/binary_protocol_accelerated.h
-ext/compact_protocol.c
-ext/compact_protocol.h
-ext/constants.h
-ext/extconf.rb
-ext/macros.h
-ext/memory_buffer.c
-ext/memory_buffer.h
-ext/protocol.c
-ext/protocol.h
-ext/struct.c
-ext/struct.h
-ext/thrift_native.c
-lib/thrift.rb
-lib/thrift/client.rb
-lib/thrift/core_ext.rb
-lib/thrift/exceptions.rb
-lib/thrift/processor.rb
-lib/thrift/struct.rb
-lib/thrift/struct_union.rb
-lib/thrift/union.rb
-lib/thrift/thrift_native.rb
-lib/thrift/types.rb
-lib/thrift/core_ext/fixnum.rb
-lib/thrift/protocol/base_protocol.rb
-lib/thrift/protocol/binary_protocol.rb
-lib/thrift/protocol/binary_protocol_accelerated.rb
-lib/thrift/protocol/compact_protocol.rb
-lib/thrift/serializer/deserializer.rb
-lib/thrift/serializer/serializer.rb
-lib/thrift/server/base_server.rb
-lib/thrift/server/mongrel_http_server.rb
-lib/thrift/server/nonblocking_server.rb
-lib/thrift/server/simple_server.rb
-lib/thrift/server/thread_pool_server.rb
-lib/thrift/server/threaded_server.rb
-lib/thrift/transport/base_server_transport.rb
-lib/thrift/transport/base_transport.rb
-lib/thrift/transport/buffered_transport.rb
-lib/thrift/transport/framed_transport.rb
-lib/thrift/transport/http_client_transport.rb
-lib/thrift/transport/io_stream_transport.rb
-lib/thrift/transport/memory_buffer_transport.rb
-lib/thrift/transport/server_socket.rb
-lib/thrift/transport/socket.rb
-lib/thrift/transport/unix_server_socket.rb
-lib/thrift/transport/unix_socket.rb
-script/proto_benchmark.rb
-script/read_struct.rb
-script/write_struct.rb
-spec/base_protocol_spec.rb
-spec/base_transport_spec.rb
-spec/binary_protocol_accelerated_spec.rb
-spec/binary_protocol_spec.rb
-spec/binary_protocol_spec_shared.rb
-spec/client_spec.rb
-spec/compact_protocol_spec.rb
-spec/exception_spec.rb
-spec/http_client_spec.rb
-spec/mongrel_http_server_spec.rb
-spec/nonblocking_server_spec.rb
-spec/processor_spec.rb
-spec/serializer_spec.rb
-spec/server_socket_spec.rb
-spec/server_spec.rb
-spec/socket_spec.rb
-spec/socket_spec_shared.rb
-spec/spec_helper.rb
-spec/struct_spec.rb
-spec/union_spec.rb
-spec/ThriftSpec.thrift
-spec/types_spec.rb
-spec/unix_socket_spec.rb
diff --git a/lib/rb/Rakefile b/lib/rb/Rakefile
index 06189eb..8004733 100644
--- a/lib/rb/Rakefile
+++ b/lib/rb/Rakefile
@@ -19,35 +19,28 @@
 
 require 'rubygems'
 require 'rake'
-require 'rspec/core/rake_task'
+require 'rake/clean'
+require 'spec/rake/spectask'
 
 THRIFT = '../../compiler/cpp/thrift'
 
 task :default => [:spec]
-
 task :spec => [:'gen-rb', :realspec]
 
-RSpec::Core::RakeTask.new(:realspec) do |t|
-  t.rspec_opts = ['--color']
+Spec::Rake::SpecTask.new(:realspec) do |t|
+  t.spec_files = FileList['spec/**/*_spec.rb']
+  t.spec_opts = ['--color']
 end
 
-RSpec::Core::RakeTask.new(:'spec:rcov') do |t|
-  t.rspec_opts = ['--color']
+Spec::Rake::SpecTask.new(:'spec:rcov') do |t|
+  t.spec_files = FileList['spec/**/*_spec.rb']
+  t.spec_opts = ['--color']
   t.rcov = true
   t.rcov_opts = ['--exclude', '^spec,/gems/']
 end
 
-desc 'Run the compiler tests (requires full thrift checkout)'
-task :test do
-  # ensure this is a full thrift checkout and not a tarball of the ruby libs
-  cmd = 'head -1 ../../README 2>/dev/null | grep Thrift >/dev/null 2>/dev/null'
-  system(cmd) or fail "rake test requires a full thrift checkout"
-  sh 'make', '-C', File.dirname(__FILE__) + "/../../test/rb", "check"
-end
-
 desc 'Compile the .thrift files for the specs'
 task :'gen-rb' => [:'gen-rb:spec', :'gen-rb:benchmark', :'gen-rb:debug_proto']
-
 namespace :'gen-rb' do
   task :'spec' do
     dir = File.dirname(__FILE__) + '/spec'
@@ -60,44 +53,52 @@
   end
   
   task :'debug_proto' do
-    sh "mkdir", "-p", "debug_proto_test"
-    sh THRIFT, '--gen', 'rb', "-o", "debug_proto_test", "../../test/DebugProtoTest.thrift"
+    sh "mkdir", "-p", "test/debug_proto"
+    sh THRIFT, '--gen', 'rb', "-o", "test/debug_proto", "../../test/DebugProtoTest.thrift"
   end
 end
 
+desc "Build the native library"
+task :build_ext => :spec do
+   Dir::chdir(File::dirname('ext/extconf.rb')) do
+      unless sh "ruby #{File::basename('ext/extconf.rb')}"
+        $stderr.puts "Failed to run extconf"
+          break
+      end
+      unless sh "make"
+        $stderr.puts "make failed"
+        break
+      end
+    end
+end
+
+desc 'Run the compiler tests (requires full thrift checkout)'
+task :test do
+  # ensure this is a full thrift checkout and not a tarball of the ruby libs
+  cmd = 'head -1 ../../README 2>/dev/null | grep Thrift >/dev/null 2>/dev/null'
+  system(cmd) or fail "rake test requires a full thrift checkout"
+  sh 'make', '-C', File.dirname(__FILE__) + "/../../test/rb", "check"
+end
+
 desc 'Run benchmarking of NonblockingServer'
 task :benchmark do
   ruby 'benchmark/benchmark.rb'
 end
 
-
-begin
-  require 'echoe'
-
-  Echoe.new('thrift') do |p|
-    p.author = ['Thrift Developers']
-    p.email = ['dev@thrift.apache.org']
-    p.summary = "Ruby bindings for the Apache Thrift RPC system"
-    p.url = "http://thrift.apache.org"
-    p.include_rakefile = true
-    p.version = "0.8.0-dev"
-    p.rubygems_version = ">= 1.2.0"
+desc 'Generate and install the thrift gem'
+task :install => [:spec, :build_ext] do
+  unless sh 'gem', 'build', 'thrift.gemspec'
+    $stderr.puts "Failed to build thrift gem"
+    break
   end
-
-  task :install => [:check_site_lib]
-
-  require 'rbconfig'
-  task :check_site_lib do
-    if File.exist?(File.join(Config::CONFIG['sitelibdir'], 'thrift.rb'))
-      fail "thrift is already installed in site_ruby"
-    end
-  end
-rescue LoadError
-  [:install, :package].each do |t|
-    desc "Stub for #{t}"
-    task t do
-      fail "The Echoe gem is required for this task"
-    end
+  unless sh 'gem', 'install', 'thrift-*.gem'
+    $stderr.puts "Failed to install thrift gem"
+    break
   end
 end
 
+CLEAN.include [ 'ext/*.{o,bundle,so,dll}', 'mkmf.log', 'ext/mkmf.log', 'ext/Makefile', 
+  'Gemfile.lock', '.bundle', 
+  'spec/gen-rb', 'test', 'benchmark/gen-rb',
+  'pkg', 'thrift-*.gem'
+]
diff --git a/lib/rb/setup.rb b/lib/rb/setup.rb
deleted file mode 100644
index 9f0c826..0000000
--- a/lib/rb/setup.rb
+++ /dev/null
@@ -1,1585 +0,0 @@
-#
-# setup.rb
-#
-# Copyright (c) 2000-2005 Minero Aoki
-#
-# This program is free software.
-# You can distribute/modify this program under the terms of
-# the GNU LGPL, Lesser General Public License version 2.1.
-#
-
-unless Enumerable.method_defined?(:map)   # Ruby 1.4.6
-  module Enumerable
-    alias map collect
-  end
-end
-
-unless File.respond_to?(:read)   # Ruby 1.6
-  def File.read(fname)
-    open(fname) {|f|
-      return f.read
-    }
-  end
-end
-
-unless Errno.const_defined?(:ENOTEMPTY)   # Windows?
-  module Errno
-    class ENOTEMPTY
-      # We do not raise this exception, implementation is not needed.
-    end
-  end
-end
-
-def File.binread(fname)
-  open(fname, 'rb') {|f|
-    return f.read
-  }
-end
-
-# for corrupted Windows' stat(2)
-def File.dir?(path)
-  File.directory?((path[-1,1] == '/') ? path : path + '/')
-end
-
-
-class ConfigTable
-
-  include Enumerable
-
-  def initialize(rbconfig)
-    @rbconfig = rbconfig
-    @items = []
-    @table = {}
-    # options
-    @install_prefix = nil
-    @config_opt = nil
-    @verbose = true
-    @no_harm = false
-  end
-
-  attr_accessor :install_prefix
-  attr_accessor :config_opt
-
-  attr_writer :verbose
-
-  def verbose?
-    @verbose
-  end
-
-  attr_writer :no_harm
-
-  def no_harm?
-    @no_harm
-  end
-
-  def [](key)
-    lookup(key).resolve(self)
-  end
-
-  def []=(key, val)
-    lookup(key).set val
-  end
-
-  def names
-    @items.map {|i| i.name }
-  end
-
-  def each(&block)
-    @items.each(&block)
-  end
-
-  def key?(name)
-    @table.key?(name)
-  end
-
-  def lookup(name)
-    @table[name] or setup_rb_error "no such config item: #{name}"
-  end
-
-  def add(item)
-    @items.push item
-    @table[item.name] = item
-  end
-
-  def remove(name)
-    item = lookup(name)
-    @items.delete_if {|i| i.name == name }
-    @table.delete_if {|name, i| i.name == name }
-    item
-  end
-
-  def load_script(path, inst = nil)
-    if File.file?(path)
-      MetaConfigEnvironment.new(self, inst).instance_eval File.read(path), path
-    end
-  end
-
-  def savefile
-    '.config'
-  end
-
-  def load_savefile
-    begin
-      File.foreach(savefile()) do |line|
-        k, v = *line.split(/=/, 2)
-        self[k] = v.strip
-      end
-    rescue Errno::ENOENT
-      setup_rb_error $!.message + "\n#{File.basename($0)} config first"
-    end
-  end
-
-  def save
-    @items.each {|i| i.value }
-    File.open(savefile(), 'w') {|f|
-      @items.each do |i|
-        f.printf "%s=%s\n", i.name, i.value if i.value? and i.value
-      end
-    }
-  end
-
-  def load_standard_entries
-    standard_entries(@rbconfig).each do |ent|
-      add ent
-    end
-  end
-
-  def standard_entries(rbconfig)
-    c = rbconfig
-
-    rubypath = File.join(c['bindir'], c['ruby_install_name'] + c['EXEEXT'])
-
-    major = c['MAJOR'].to_i
-    minor = c['MINOR'].to_i
-    teeny = c['TEENY'].to_i
-    version = "#{major}.#{minor}"
-
-    # ruby ver. >= 1.4.4?
-    newpath_p = ((major >= 2) or
-                 ((major == 1) and
-                  ((minor >= 5) or
-                   ((minor == 4) and (teeny >= 4)))))
-
-    if c['rubylibdir']
-      # V > 1.6.3
-      libruby         = "#{c['prefix']}/lib/ruby"
-      librubyver      = c['rubylibdir']
-      librubyverarch  = c['archdir']
-      siteruby        = c['sitedir']
-      siterubyver     = c['sitelibdir']
-      siterubyverarch = c['sitearchdir']
-    elsif newpath_p
-      # 1.4.4 <= V <= 1.6.3
-      libruby         = "#{c['prefix']}/lib/ruby"
-      librubyver      = "#{c['prefix']}/lib/ruby/#{version}"
-      librubyverarch  = "#{c['prefix']}/lib/ruby/#{version}/#{c['arch']}"
-      siteruby        = c['sitedir']
-      siterubyver     = "$siteruby/#{version}"
-      siterubyverarch = "$siterubyver/#{c['arch']}"
-    else
-      # V < 1.4.4
-      libruby         = "#{c['prefix']}/lib/ruby"
-      librubyver      = "#{c['prefix']}/lib/ruby/#{version}"
-      librubyverarch  = "#{c['prefix']}/lib/ruby/#{version}/#{c['arch']}"
-      siteruby        = "#{c['prefix']}/lib/ruby/#{version}/site_ruby"
-      siterubyver     = siteruby
-      siterubyverarch = "$siterubyver/#{c['arch']}"
-    end
-    parameterize = lambda {|path|
-      path.sub(/\A#{Regexp.quote(c['prefix'])}/, '$prefix')
-    }
-
-    if arg = c['configure_args'].split.detect {|arg| /--with-make-prog=/ =~ arg }
-      makeprog = arg.sub(/'/, '').split(/=/, 2)[1]
-    else
-      makeprog = 'make'
-    end
-
-    [
-      ExecItem.new('installdirs', 'std/site/home',
-                   'std: install under libruby; site: install under site_ruby; home: install under $HOME')\
-          {|val, table|
-            case val
-            when 'std'
-              table['rbdir'] = '$librubyver'
-              table['sodir'] = '$librubyverarch'
-            when 'site'
-              table['rbdir'] = '$siterubyver'
-              table['sodir'] = '$siterubyverarch'
-            when 'home'
-              setup_rb_error '$HOME was not set' unless ENV['HOME']
-              table['prefix'] = ENV['HOME']
-              table['rbdir'] = '$libdir/ruby'
-              table['sodir'] = '$libdir/ruby'
-            end
-          },
-      PathItem.new('prefix', 'path', c['prefix'],
-                   'path prefix of target environment'),
-      PathItem.new('bindir', 'path', parameterize.call(c['bindir']),
-                   'the directory for commands'),
-      PathItem.new('libdir', 'path', parameterize.call(c['libdir']),
-                   'the directory for libraries'),
-      PathItem.new('datadir', 'path', parameterize.call(c['datadir']),
-                   'the directory for shared data'),
-      PathItem.new('mandir', 'path', parameterize.call(c['mandir']),
-                   'the directory for man pages'),
-      PathItem.new('sysconfdir', 'path', parameterize.call(c['sysconfdir']),
-                   'the directory for system configuration files'),
-      PathItem.new('localstatedir', 'path', parameterize.call(c['localstatedir']),
-                   'the directory for local state data'),
-      PathItem.new('libruby', 'path', libruby,
-                   'the directory for ruby libraries'),
-      PathItem.new('librubyver', 'path', librubyver,
-                   'the directory for standard ruby libraries'),
-      PathItem.new('librubyverarch', 'path', librubyverarch,
-                   'the directory for standard ruby extensions'),
-      PathItem.new('siteruby', 'path', siteruby,
-          'the directory for version-independent aux ruby libraries'),
-      PathItem.new('siterubyver', 'path', siterubyver,
-                   'the directory for aux ruby libraries'),
-      PathItem.new('siterubyverarch', 'path', siterubyverarch,
-                   'the directory for aux ruby binaries'),
-      PathItem.new('rbdir', 'path', '$siterubyver',
-                   'the directory for ruby scripts'),
-      PathItem.new('sodir', 'path', '$siterubyverarch',
-                   'the directory for ruby extentions'),
-      PathItem.new('rubypath', 'path', rubypath,
-                   'the path to set to #! line'),
-      ProgramItem.new('rubyprog', 'name', rubypath,
-                      'the ruby program using for installation'),
-      ProgramItem.new('makeprog', 'name', makeprog,
-                      'the make program to compile ruby extentions'),
-      SelectItem.new('shebang', 'all/ruby/never', 'ruby',
-                     'shebang line (#!) editing mode'),
-      BoolItem.new('without-ext', 'yes/no', 'no',
-                   'does not compile/install ruby extentions')
-    ]
-  end
-  private :standard_entries
-
-  def load_multipackage_entries
-    multipackage_entries().each do |ent|
-      add ent
-    end
-  end
-
-  def multipackage_entries
-    [
-      PackageSelectionItem.new('with', 'name,name...', '', 'ALL',
-                               'package names that you want to install'),
-      PackageSelectionItem.new('without', 'name,name...', '', 'NONE',
-                               'package names that you do not want to install')
-    ]
-  end
-  private :multipackage_entries
-
-  ALIASES = {
-    'std-ruby'         => 'librubyver',
-    'stdruby'          => 'librubyver',
-    'rubylibdir'       => 'librubyver',
-    'archdir'          => 'librubyverarch',
-    'site-ruby-common' => 'siteruby',     # For backward compatibility
-    'site-ruby'        => 'siterubyver',  # For backward compatibility
-    'bin-dir'          => 'bindir',
-    'bin-dir'          => 'bindir',
-    'rb-dir'           => 'rbdir',
-    'so-dir'           => 'sodir',
-    'data-dir'         => 'datadir',
-    'ruby-path'        => 'rubypath',
-    'ruby-prog'        => 'rubyprog',
-    'ruby'             => 'rubyprog',
-    'make-prog'        => 'makeprog',
-    'make'             => 'makeprog'
-  }
-
-  def fixup
-    ALIASES.each do |ali, name|
-      @table[ali] = @table[name]
-    end
-    @items.freeze
-    @table.freeze
-    @options_re = /\A--(#{@table.keys.join('|')})(?:=(.*))?\z/
-  end
-
-  def parse_opt(opt)
-    m = @options_re.match(opt) or setup_rb_error "config: unknown option #{opt}"
-    m.to_a[1,2]
-  end
-
-  def dllext
-    @rbconfig['DLEXT']
-  end
-
-  def value_config?(name)
-    lookup(name).value?
-  end
-
-  class Item
-    def initialize(name, template, default, desc)
-      @name = name.freeze
-      @template = template
-      @value = default
-      @default = default
-      @description = desc
-    end
-
-    attr_reader :name
-    attr_reader :description
-
-    attr_accessor :default
-    alias help_default default
-
-    def help_opt
-      "--#{@name}=#{@template}"
-    end
-
-    def value?
-      true
-    end
-
-    def value
-      @value
-    end
-
-    def resolve(table)
-      @value.gsub(%r<\$([^/]+)>) { table[$1] }
-    end
-
-    def set(val)
-      @value = check(val)
-    end
-
-    private
-
-    def check(val)
-      setup_rb_error "config: --#{name} requires argument" unless val
-      val
-    end
-  end
-
-  class BoolItem < Item
-    def config_type
-      'bool'
-    end
-
-    def help_opt
-      "--#{@name}"
-    end
-
-    private
-
-    def check(val)
-      return 'yes' unless val
-      case val
-      when /\Ay(es)?\z/i, /\At(rue)?\z/i then 'yes'
-      when /\An(o)?\z/i, /\Af(alse)\z/i  then 'no'
-      else
-        setup_rb_error "config: --#{@name} accepts only yes/no for argument"
-      end
-    end
-  end
-
-  class PathItem < Item
-    def config_type
-      'path'
-    end
-
-    private
-
-    def check(path)
-      setup_rb_error "config: --#{@name} requires argument"  unless path
-      path[0,1] == '$' ? path : File.expand_path(path)
-    end
-  end
-
-  class ProgramItem < Item
-    def config_type
-      'program'
-    end
-  end
-
-  class SelectItem < Item
-    def initialize(name, selection, default, desc)
-      super
-      @ok = selection.split('/')
-    end
-
-    def config_type
-      'select'
-    end
-
-    private
-
-    def check(val)
-      unless @ok.include?(val.strip)
-        setup_rb_error "config: use --#{@name}=#{@template} (#{val})"
-      end
-      val.strip
-    end
-  end
-
-  class ExecItem < Item
-    def initialize(name, selection, desc, &block)
-      super name, selection, nil, desc
-      @ok = selection.split('/')
-      @action = block
-    end
-
-    def config_type
-      'exec'
-    end
-
-    def value?
-      false
-    end
-
-    def resolve(table)
-      setup_rb_error "$#{name()} wrongly used as option value"
-    end
-
-    undef set
-
-    def evaluate(val, table)
-      v = val.strip.downcase
-      unless @ok.include?(v)
-        setup_rb_error "invalid option --#{@name}=#{val} (use #{@template})"
-      end
-      @action.call v, table
-    end
-  end
-
-  class PackageSelectionItem < Item
-    def initialize(name, template, default, help_default, desc)
-      super name, template, default, desc
-      @help_default = help_default
-    end
-
-    attr_reader :help_default
-
-    def config_type
-      'package'
-    end
-
-    private
-
-    def check(val)
-      unless File.dir?("packages/#{val}")
-        setup_rb_error "config: no such package: #{val}"
-      end
-      val
-    end
-  end
-
-  class MetaConfigEnvironment
-    def initialize(config, installer)
-      @config = config
-      @installer = installer
-    end
-
-    def config_names
-      @config.names
-    end
-
-    def config?(name)
-      @config.key?(name)
-    end
-
-    def bool_config?(name)
-      @config.lookup(name).config_type == 'bool'
-    end
-
-    def path_config?(name)
-      @config.lookup(name).config_type == 'path'
-    end
-
-    def value_config?(name)
-      @config.lookup(name).config_type != 'exec'
-    end
-
-    def add_config(item)
-      @config.add item
-    end
-
-    def add_bool_config(name, default, desc)
-      @config.add BoolItem.new(name, 'yes/no', default ? 'yes' : 'no', desc)
-    end
-
-    def add_path_config(name, default, desc)
-      @config.add PathItem.new(name, 'path', default, desc)
-    end
-
-    def set_config_default(name, default)
-      @config.lookup(name).default = default
-    end
-
-    def remove_config(name)
-      @config.remove(name)
-    end
-
-    # For only multipackage
-    def packages
-      raise '[setup.rb fatal] multi-package metaconfig API packages() called for single-package; contact application package vendor' unless @installer
-      @installer.packages
-    end
-
-    # For only multipackage
-    def declare_packages(list)
-      raise '[setup.rb fatal] multi-package metaconfig API declare_packages() called for single-package; contact application package vendor' unless @installer
-      @installer.packages = list
-    end
-  end
-
-end   # class ConfigTable
-
-
-# This module requires: #verbose?, #no_harm?
-module FileOperations
-
-  def mkdir_p(dirname, prefix = nil)
-    dirname = prefix + File.expand_path(dirname) if prefix
-    $stderr.puts "mkdir -p #{dirname}" if verbose?
-    return if no_harm?
-
-    # Does not check '/', it's too abnormal.
-    dirs = File.expand_path(dirname).split(%r<(?=/)>)
-    if /\A[a-z]:\z/i =~ dirs[0]
-      disk = dirs.shift
-      dirs[0] = disk + dirs[0]
-    end
-    dirs.each_index do |idx|
-      path = dirs[0..idx].join('')
-      Dir.mkdir path unless File.dir?(path)
-    end
-  end
-
-  def rm_f(path)
-    $stderr.puts "rm -f #{path}" if verbose?
-    return if no_harm?
-    force_remove_file path
-  end
-
-  def rm_rf(path)
-    $stderr.puts "rm -rf #{path}" if verbose?
-    return if no_harm?
-    remove_tree path
-  end
-
-  def remove_tree(path)
-    if File.symlink?(path)
-      remove_file path
-    elsif File.dir?(path)
-      remove_tree0 path
-    else
-      force_remove_file path
-    end
-  end
-
-  def remove_tree0(path)
-    Dir.foreach(path) do |ent|
-      next if ent == '.'
-      next if ent == '..'
-      entpath = "#{path}/#{ent}"
-      if File.symlink?(entpath)
-        remove_file entpath
-      elsif File.dir?(entpath)
-        remove_tree0 entpath
-      else
-        force_remove_file entpath
-      end
-    end
-    begin
-      Dir.rmdir path
-    rescue Errno::ENOTEMPTY
-      # directory may not be empty
-    end
-  end
-
-  def move_file(src, dest)
-    force_remove_file dest
-    begin
-      File.rename src, dest
-    rescue
-      File.open(dest, 'wb') {|f|
-        f.write File.binread(src)
-      }
-      File.chmod File.stat(src).mode, dest
-      File.unlink src
-    end
-  end
-
-  def force_remove_file(path)
-    begin
-      remove_file path
-    rescue
-    end
-  end
-
-  def remove_file(path)
-    File.chmod 0777, path
-    File.unlink path
-  end
-
-  def install(from, dest, mode, prefix = nil)
-    $stderr.puts "install #{from} #{dest}" if verbose?
-    return if no_harm?
-
-    realdest = prefix ? prefix + File.expand_path(dest) : dest
-    realdest = File.join(realdest, File.basename(from)) if File.dir?(realdest)
-    str = File.binread(from)
-    if diff?(str, realdest)
-      verbose_off {
-        rm_f realdest if File.exist?(realdest)
-      }
-      File.open(realdest, 'wb') {|f|
-        f.write str
-      }
-      File.chmod mode, realdest
-
-      File.open("#{objdir_root()}/InstalledFiles", 'a') {|f|
-        if prefix
-          f.puts realdest.sub(prefix, '')
-        else
-          f.puts realdest
-        end
-      }
-    end
-  end
-
-  def diff?(new_content, path)
-    return true unless File.exist?(path)
-    new_content != File.binread(path)
-  end
-
-  def command(*args)
-    $stderr.puts args.join(' ') if verbose?
-    system(*args) or raise RuntimeError,
-        "system(#{args.map{|a| a.inspect }.join(' ')}) failed"
-  end
-
-  def ruby(*args)
-    command config('rubyprog'), *args
-  end
-
-  def make(task = nil)
-    command(*[config('makeprog'), task].compact)
-  end
-
-  def extdir?(dir)
-    File.exist?("#{dir}/MANIFEST") or File.exist?("#{dir}/extconf.rb")
-  end
-
-  def files_of(dir)
-    Dir.open(dir) {|d|
-      return d.select {|ent| File.file?("#{dir}/#{ent}") }
-    }
-  end
-
-  DIR_REJECT = %w( . .. CVS SCCS RCS CVS.adm .svn )
-
-  def directories_of(dir)
-    Dir.open(dir) {|d|
-      return d.select {|ent| File.dir?("#{dir}/#{ent}") } - DIR_REJECT
-    }
-  end
-
-end
-
-
-# This module requires: #srcdir_root, #objdir_root, #relpath
-module HookScriptAPI
-
-  def get_config(key)
-    @config[key]
-  end
-
-  alias config get_config
-
-  # obsolete: use metaconfig to change configuration
-  def set_config(key, val)
-    @config[key] = val
-  end
-
-  #
-  # srcdir/objdir (works only in the package directory)
-  #
-
-  def curr_srcdir
-    "#{srcdir_root()}/#{relpath()}"
-  end
-
-  def curr_objdir
-    "#{objdir_root()}/#{relpath()}"
-  end
-
-  def srcfile(path)
-    "#{curr_srcdir()}/#{path}"
-  end
-
-  def srcexist?(path)
-    File.exist?(srcfile(path))
-  end
-
-  def srcdirectory?(path)
-    File.dir?(srcfile(path))
-  end
-
-  def srcfile?(path)
-    File.file?(srcfile(path))
-  end
-
-  def srcentries(path = '.')
-    Dir.open("#{curr_srcdir()}/#{path}") {|d|
-      return d.to_a - %w(. ..)
-    }
-  end
-
-  def srcfiles(path = '.')
-    srcentries(path).select {|fname|
-      File.file?(File.join(curr_srcdir(), path, fname))
-    }
-  end
-
-  def srcdirectories(path = '.')
-    srcentries(path).select {|fname|
-      File.dir?(File.join(curr_srcdir(), path, fname))
-    }
-  end
-
-end
-
-
-class ToplevelInstaller
-
-  Version   = '3.4.1'
-  Copyright = 'Copyright (c) 2000-2005 Minero Aoki'
-
-  TASKS = [
-    [ 'all',      'do config, setup, then install' ],
-    [ 'config',   'saves your configurations' ],
-    [ 'show',     'shows current configuration' ],
-    [ 'setup',    'compiles ruby extentions and others' ],
-    [ 'install',  'installs files' ],
-    [ 'test',     'run all tests in test/' ],
-    [ 'clean',    "does `make clean' for each extention" ],
-    [ 'distclean',"does `make distclean' for each extention" ]
-  ]
-
-  def ToplevelInstaller.invoke
-    config = ConfigTable.new(load_rbconfig())
-    config.load_standard_entries
-    config.load_multipackage_entries if multipackage?
-    config.fixup
-    klass = (multipackage?() ? ToplevelInstallerMulti : ToplevelInstaller)
-    klass.new(File.dirname($0), config).invoke
-  end
-
-  def ToplevelInstaller.multipackage?
-    File.dir?(File.dirname($0) + '/packages')
-  end
-
-  def ToplevelInstaller.load_rbconfig
-    if arg = ARGV.detect {|arg| /\A--rbconfig=/ =~ arg }
-      ARGV.delete(arg)
-      load File.expand_path(arg.split(/=/, 2)[1])
-      $".push 'rbconfig.rb'
-    else
-      require 'rbconfig'
-    end
-    ::Config::CONFIG
-  end
-
-  def initialize(ardir_root, config)
-    @ardir = File.expand_path(ardir_root)
-    @config = config
-    # cache
-    @valid_task_re = nil
-  end
-
-  def config(key)
-    @config[key]
-  end
-
-  def inspect
-    "#<#{self.class} #{__id__()}>"
-  end
-
-  def invoke
-    run_metaconfigs
-    case task = parsearg_global()
-    when nil, 'all'
-      parsearg_config
-      init_installers
-      exec_config
-      exec_setup
-      exec_install
-    else
-      case task
-      when 'config', 'test'
-        ;
-      when 'clean', 'distclean'
-        @config.load_savefile if File.exist?(@config.savefile)
-      else
-        @config.load_savefile
-      end
-      __send__ "parsearg_#{task}"
-      init_installers
-      __send__ "exec_#{task}"
-    end
-  end
-
-  def run_metaconfigs
-    @config.load_script "#{@ardir}/metaconfig"
-  end
-
-  def init_installers
-    @installer = Installer.new(@config, @ardir, File.expand_path('.'))
-  end
-
-  #
-  # Hook Script API bases
-  #
-
-  def srcdir_root
-    @ardir
-  end
-
-  def objdir_root
-    '.'
-  end
-
-  def relpath
-    '.'
-  end
-
-  #
-  # Option Parsing
-  #
-
-  def parsearg_global
-    while arg = ARGV.shift
-      case arg
-      when /\A\w+\z/
-        setup_rb_error "invalid task: #{arg}" unless valid_task?(arg)
-        return arg
-      when '-q', '--quiet'
-        @config.verbose = false
-      when '--verbose'
-        @config.verbose = true
-      when '--help'
-        print_usage $stdout
-        exit 0
-      when '--version'
-        puts "#{File.basename($0)} version #{Version}"
-        exit 0
-      when '--copyright'
-        puts Copyright
-        exit 0
-      else
-        setup_rb_error "unknown global option '#{arg}'"
-      end
-    end
-    nil
-  end
-
-  def valid_task?(t)
-    valid_task_re() =~ t
-  end
-
-  def valid_task_re
-    @valid_task_re ||= /\A(?:#{TASKS.map {|task,desc| task }.join('|')})\z/
-  end
-
-  def parsearg_no_options
-    unless ARGV.empty?
-      task = caller(0).first.slice(%r<`parsearg_(\w+)'>, 1)
-      setup_rb_error "#{task}: unknown options: #{ARGV.join(' ')}"
-    end
-  end
-
-  alias parsearg_show       parsearg_no_options
-  alias parsearg_setup      parsearg_no_options
-  alias parsearg_test       parsearg_no_options
-  alias parsearg_clean      parsearg_no_options
-  alias parsearg_distclean  parsearg_no_options
-
-  def parsearg_config
-    evalopt = []
-    set = []
-    @config.config_opt = []
-    while i = ARGV.shift
-      if /\A--?\z/ =~ i
-        @config.config_opt = ARGV.dup
-        break
-      end
-      name, value = *@config.parse_opt(i)
-      if @config.value_config?(name)
-        @config[name] = value
-      else
-        evalopt.push [name, value]
-      end
-      set.push name
-    end
-    evalopt.each do |name, value|
-      @config.lookup(name).evaluate value, @config
-    end
-    # Check if configuration is valid
-    set.each do |n|
-      @config[n] if @config.value_config?(n)
-    end
-  end
-
-  def parsearg_install
-    @config.no_harm = false
-    @config.install_prefix = ''
-    while a = ARGV.shift
-      case a
-      when '--no-harm'
-        @config.no_harm = true
-      when /\A--prefix=/
-        path = a.split(/=/, 2)[1]
-        path = File.expand_path(path) unless path[0,1] == '/'
-        @config.install_prefix = path
-      else
-        setup_rb_error "install: unknown option #{a}"
-      end
-    end
-  end
-
-  def print_usage(out)
-    out.puts 'Typical Installation Procedure:'
-    out.puts "  $ ruby #{File.basename $0} config"
-    out.puts "  $ ruby #{File.basename $0} setup"
-    out.puts "  # ruby #{File.basename $0} install (may require root privilege)"
-    out.puts
-    out.puts 'Detailed Usage:'
-    out.puts "  ruby #{File.basename $0} <global option>"
-    out.puts "  ruby #{File.basename $0} [<global options>] <task> [<task options>]"
-
-    fmt = "  %-24s %s\n"
-    out.puts
-    out.puts 'Global options:'
-    out.printf fmt, '-q,--quiet',   'suppress message outputs'
-    out.printf fmt, '   --verbose', 'output messages verbosely'
-    out.printf fmt, '   --help',    'print this message'
-    out.printf fmt, '   --version', 'print version and quit'
-    out.printf fmt, '   --copyright',  'print copyright and quit'
-    out.puts
-    out.puts 'Tasks:'
-    TASKS.each do |name, desc|
-      out.printf fmt, name, desc
-    end
-
-    fmt = "  %-24s %s [%s]\n"
-    out.puts
-    out.puts 'Options for CONFIG or ALL:'
-    @config.each do |item|
-      out.printf fmt, item.help_opt, item.description, item.help_default
-    end
-    out.printf fmt, '--rbconfig=path', 'rbconfig.rb to load',"running ruby's"
-    out.puts
-    out.puts 'Options for INSTALL:'
-    out.printf fmt, '--no-harm', 'only display what to do if given', 'off'
-    out.printf fmt, '--prefix=path',  'install path prefix', ''
-    out.puts
-  end
-
-  #
-  # Task Handlers
-  #
-
-  def exec_config
-    @installer.exec_config
-    @config.save   # must be final
-  end
-
-  def exec_setup
-    @installer.exec_setup
-  end
-
-  def exec_install
-    @installer.exec_install
-  end
-
-  def exec_test
-    @installer.exec_test
-  end
-
-  def exec_show
-    @config.each do |i|
-      printf "%-20s %s\n", i.name, i.value if i.value?
-    end
-  end
-
-  def exec_clean
-    @installer.exec_clean
-  end
-
-  def exec_distclean
-    @installer.exec_distclean
-  end
-
-end   # class ToplevelInstaller
-
-
-class ToplevelInstallerMulti < ToplevelInstaller
-
-  include FileOperations
-
-  def initialize(ardir_root, config)
-    super
-    @packages = directories_of("#{@ardir}/packages")
-    raise 'no package exists' if @packages.empty?
-    @root_installer = Installer.new(@config, @ardir, File.expand_path('.'))
-  end
-
-  def run_metaconfigs
-    @config.load_script "#{@ardir}/metaconfig", self
-    @packages.each do |name|
-      @config.load_script "#{@ardir}/packages/#{name}/metaconfig"
-    end
-  end
-
-  attr_reader :packages
-
-  def packages=(list)
-    raise 'package list is empty' if list.empty?
-    list.each do |name|
-      raise "directory packages/#{name} does not exist"\
-              unless File.dir?("#{@ardir}/packages/#{name}")
-    end
-    @packages = list
-  end
-
-  def init_installers
-    @installers = {}
-    @packages.each do |pack|
-      @installers[pack] = Installer.new(@config,
-                                       "#{@ardir}/packages/#{pack}",
-                                       "packages/#{pack}")
-    end
-    with    = extract_selection(config('with'))
-    without = extract_selection(config('without'))
-    @selected = @installers.keys.select {|name|
-                  (with.empty? or with.include?(name)) \
-                      and not without.include?(name)
-                }
-  end
-
-  def extract_selection(list)
-    a = list.split(/,/)
-    a.each do |name|
-      setup_rb_error "no such package: #{name}"  unless @installers.key?(name)
-    end
-    a
-  end
-
-  def print_usage(f)
-    super
-    f.puts 'Inluded packages:'
-    f.puts '  ' + @packages.sort.join(' ')
-    f.puts
-  end
-
-  #
-  # Task Handlers
-  #
-
-  def exec_config
-    run_hook 'pre-config'
-    each_selected_installers {|inst| inst.exec_config }
-    run_hook 'post-config'
-    @config.save   # must be final
-  end
-
-  def exec_setup
-    run_hook 'pre-setup'
-    each_selected_installers {|inst| inst.exec_setup }
-    run_hook 'post-setup'
-  end
-
-  def exec_install
-    run_hook 'pre-install'
-    each_selected_installers {|inst| inst.exec_install }
-    run_hook 'post-install'
-  end
-
-  def exec_test
-    run_hook 'pre-test'
-    each_selected_installers {|inst| inst.exec_test }
-    run_hook 'post-test'
-  end
-
-  def exec_clean
-    rm_f @config.savefile
-    run_hook 'pre-clean'
-    each_selected_installers {|inst| inst.exec_clean }
-    run_hook 'post-clean'
-  end
-
-  def exec_distclean
-    rm_f @config.savefile
-    run_hook 'pre-distclean'
-    each_selected_installers {|inst| inst.exec_distclean }
-    run_hook 'post-distclean'
-  end
-
-  #
-  # lib
-  #
-
-  def each_selected_installers
-    Dir.mkdir 'packages' unless File.dir?('packages')
-    @selected.each do |pack|
-      $stderr.puts "Processing the package `#{pack}' ..." if verbose?
-      Dir.mkdir "packages/#{pack}" unless File.dir?("packages/#{pack}")
-      Dir.chdir "packages/#{pack}"
-      yield @installers[pack]
-      Dir.chdir '../..'
-    end
-  end
-
-  def run_hook(id)
-    @root_installer.run_hook id
-  end
-
-  # module FileOperations requires this
-  def verbose?
-    @config.verbose?
-  end
-
-  # module FileOperations requires this
-  def no_harm?
-    @config.no_harm?
-  end
-
-end   # class ToplevelInstallerMulti
-
-
-class Installer
-
-  FILETYPES = %w( bin lib ext data conf man )
-
-  include FileOperations
-  include HookScriptAPI
-
-  def initialize(config, srcroot, objroot)
-    @config = config
-    @srcdir = File.expand_path(srcroot)
-    @objdir = File.expand_path(objroot)
-    @currdir = '.'
-  end
-
-  def inspect
-    "#<#{self.class} #{File.basename(@srcdir)}>"
-  end
-
-  def noop(rel)
-  end
-
-  #
-  # Hook Script API base methods
-  #
-
-  def srcdir_root
-    @srcdir
-  end
-
-  def objdir_root
-    @objdir
-  end
-
-  def relpath
-    @currdir
-  end
-
-  #
-  # Config Access
-  #
-
-  # module FileOperations requires this
-  def verbose?
-    @config.verbose?
-  end
-
-  # module FileOperations requires this
-  def no_harm?
-    @config.no_harm?
-  end
-
-  def verbose_off
-    begin
-      save, @config.verbose = @config.verbose?, false
-      yield
-    ensure
-      @config.verbose = save
-    end
-  end
-
-  #
-  # TASK config
-  #
-
-  def exec_config
-    exec_task_traverse 'config'
-  end
-
-  alias config_dir_bin noop
-  alias config_dir_lib noop
-
-  def config_dir_ext(rel)
-    extconf if extdir?(curr_srcdir())
-  end
-
-  alias config_dir_data noop
-  alias config_dir_conf noop
-  alias config_dir_man noop
-
-  def extconf
-    ruby "#{curr_srcdir()}/extconf.rb", *@config.config_opt
-  end
-
-  #
-  # TASK setup
-  #
-
-  def exec_setup
-    exec_task_traverse 'setup'
-  end
-
-  def setup_dir_bin(rel)
-    files_of(curr_srcdir()).each do |fname|
-      update_shebang_line "#{curr_srcdir()}/#{fname}"
-    end
-  end
-
-  alias setup_dir_lib noop
-
-  def setup_dir_ext(rel)
-    make if extdir?(curr_srcdir())
-  end
-
-  alias setup_dir_data noop
-  alias setup_dir_conf noop
-  alias setup_dir_man noop
-
-  def update_shebang_line(path)
-    return if no_harm?
-    return if config('shebang') == 'never'
-    old = Shebang.load(path)
-    if old
-      $stderr.puts "warning: #{path}: Shebang line includes too many args.  It is not portable and your program may not work." if old.args.size > 1
-      new = new_shebang(old)
-      return if new.to_s == old.to_s
-    else
-      return unless config('shebang') == 'all'
-      new = Shebang.new(config('rubypath'))
-    end
-    $stderr.puts "updating shebang: #{File.basename(path)}" if verbose?
-    open_atomic_writer(path) {|output|
-      File.open(path, 'rb') {|f|
-        f.gets if old   # discard
-        output.puts new.to_s
-        output.print f.read
-      }
-    }
-  end
-
-  def new_shebang(old)
-    if /\Aruby/ =~ File.basename(old.cmd)
-      Shebang.new(config('rubypath'), old.args)
-    elsif File.basename(old.cmd) == 'env' and old.args.first == 'ruby'
-      Shebang.new(config('rubypath'), old.args[1..-1])
-    else
-      return old unless config('shebang') == 'all'
-      Shebang.new(config('rubypath'))
-    end
-  end
-
-  def open_atomic_writer(path, &block)
-    tmpfile = File.basename(path) + '.tmp'
-    begin
-      File.open(tmpfile, 'wb', &block)
-      File.rename tmpfile, File.basename(path)
-    ensure
-      File.unlink tmpfile if File.exist?(tmpfile)
-    end
-  end
-
-  class Shebang
-    def Shebang.load(path)
-      line = nil
-      File.open(path) {|f|
-        line = f.gets
-      }
-      return nil unless /\A#!/ =~ line
-      parse(line)
-    end
-
-    def Shebang.parse(line)
-      cmd, *args = *line.strip.sub(/\A\#!/, '').split(' ')
-      new(cmd, args)
-    end
-
-    def initialize(cmd, args = [])
-      @cmd = cmd
-      @args = args
-    end
-
-    attr_reader :cmd
-    attr_reader :args
-
-    def to_s
-      "#! #{@cmd}" + (@args.empty? ? '' : " #{@args.join(' ')}")
-    end
-  end
-
-  #
-  # TASK install
-  #
-
-  def exec_install
-    rm_f 'InstalledFiles'
-    exec_task_traverse 'install'
-  end
-
-  def install_dir_bin(rel)
-    install_files targetfiles(), "#{config('bindir')}/#{rel}", 0755
-  end
-
-  def install_dir_lib(rel)
-    install_files libfiles(), "#{config('rbdir')}/#{rel}", 0644
-  end
-
-  def install_dir_ext(rel)
-    return unless extdir?(curr_srcdir())
-    install_files rubyextentions('.'),
-                  "#{config('sodir')}/#{File.dirname(rel)}",
-                  0555
-  end
-
-  def install_dir_data(rel)
-    install_files targetfiles(), "#{config('datadir')}/#{rel}", 0644
-  end
-
-  def install_dir_conf(rel)
-    # FIXME: should not remove current config files
-    # (rename previous file to .old/.org)
-    install_files targetfiles(), "#{config('sysconfdir')}/#{rel}", 0644
-  end
-
-  def install_dir_man(rel)
-    install_files targetfiles(), "#{config('mandir')}/#{rel}", 0644
-  end
-
-  def install_files(list, dest, mode)
-    mkdir_p dest, @config.install_prefix
-    list.each do |fname|
-      install fname, dest, mode, @config.install_prefix
-    end
-  end
-
-  def libfiles
-    glob_reject(%w(*.y *.output), targetfiles())
-  end
-
-  def rubyextentions(dir)
-    ents = glob_select("*.#{@config.dllext}", targetfiles())
-    if ents.empty?
-      setup_rb_error "no ruby extention exists: 'ruby #{$0} setup' first"
-    end
-    ents
-  end
-
-  def targetfiles
-    mapdir(existfiles() - hookfiles())
-  end
-
-  def mapdir(ents)
-    ents.map {|ent|
-      if File.exist?(ent)
-      then ent                         # objdir
-      else "#{curr_srcdir()}/#{ent}"   # srcdir
-      end
-    }
-  end
-
-  # picked up many entries from cvs-1.11.1/src/ignore.c
-  JUNK_FILES = %w(
-    core RCSLOG tags TAGS .make.state
-    .nse_depinfo #* .#* cvslog.* ,* .del-* *.olb
-    *~ *.old *.bak *.BAK *.orig *.rej _$* *$
-
-    *.org *.in .*
-  )
-
-  def existfiles
-    glob_reject(JUNK_FILES, (files_of(curr_srcdir()) | files_of('.')))
-  end
-
-  def hookfiles
-    %w( pre-%s post-%s pre-%s.rb post-%s.rb ).map {|fmt|
-      %w( config setup install clean ).map {|t| sprintf(fmt, t) }
-    }.flatten
-  end
-
-  def glob_select(pat, ents)
-    re = globs2re([pat])
-    ents.select {|ent| re =~ ent }
-  end
-
-  def glob_reject(pats, ents)
-    re = globs2re(pats)
-    ents.reject {|ent| re =~ ent }
-  end
-
-  GLOB2REGEX = {
-    '.' => '\.',
-    '$' => '\$',
-    '#' => '\#',
-    '*' => '.*'
-  }
-
-  def globs2re(pats)
-    /\A(?:#{
-      pats.map {|pat| pat.gsub(/[\.\$\#\*]/) {|ch| GLOB2REGEX[ch] } }.join('|')
-    })\z/
-  end
-
-  #
-  # TASK test
-  #
-
-  TESTDIR = 'test'
-
-  def exec_test
-    unless File.directory?('test')
-      $stderr.puts 'no test in this package' if verbose?
-      return
-    end
-    $stderr.puts 'Running tests...' if verbose?
-    begin
-      require 'test/unit'
-    rescue LoadError
-      setup_rb_error 'test/unit cannot loaded.  You need Ruby 1.8 or later to invoke this task.'
-    end
-    runner = Test::Unit::AutoRunner.new(true)
-    runner.to_run << TESTDIR
-    runner.run
-  end
-
-  #
-  # TASK clean
-  #
-
-  def exec_clean
-    exec_task_traverse 'clean'
-    rm_f @config.savefile
-    rm_f 'InstalledFiles'
-  end
-
-  alias clean_dir_bin noop
-  alias clean_dir_lib noop
-  alias clean_dir_data noop
-  alias clean_dir_conf noop
-  alias clean_dir_man noop
-
-  def clean_dir_ext(rel)
-    return unless extdir?(curr_srcdir())
-    make 'clean' if File.file?('Makefile')
-  end
-
-  #
-  # TASK distclean
-  #
-
-  def exec_distclean
-    exec_task_traverse 'distclean'
-    rm_f @config.savefile
-    rm_f 'InstalledFiles'
-  end
-
-  alias distclean_dir_bin noop
-  alias distclean_dir_lib noop
-
-  def distclean_dir_ext(rel)
-    return unless extdir?(curr_srcdir())
-    make 'distclean' if File.file?('Makefile')
-  end
-
-  alias distclean_dir_data noop
-  alias distclean_dir_conf noop
-  alias distclean_dir_man noop
-
-  #
-  # Traversing
-  #
-
-  def exec_task_traverse(task)
-    run_hook "pre-#{task}"
-    FILETYPES.each do |type|
-      if type == 'ext' and config('without-ext') == 'yes'
-        $stderr.puts 'skipping ext/* by user option' if verbose?
-        next
-      end
-      traverse task, type, "#{task}_dir_#{type}"
-    end
-    run_hook "post-#{task}"
-  end
-
-  def traverse(task, rel, mid)
-    dive_into(rel) {
-      run_hook "pre-#{task}"
-      __send__ mid, rel.sub(%r[\A.*?(?:/|\z)], '')
-      directories_of(curr_srcdir()).each do |d|
-        traverse task, "#{rel}/#{d}", mid
-      end
-      run_hook "post-#{task}"
-    }
-  end
-
-  def dive_into(rel)
-    return unless File.dir?("#{@srcdir}/#{rel}")
-
-    dir = File.basename(rel)
-    Dir.mkdir dir unless File.dir?(dir)
-    prevdir = Dir.pwd
-    Dir.chdir dir
-    $stderr.puts '---> ' + rel if verbose?
-    @currdir = rel
-    yield
-    Dir.chdir prevdir
-    $stderr.puts '<--- ' + rel if verbose?
-    @currdir = File.dirname(rel)
-  end
-
-  def run_hook(id)
-    path = [ "#{curr_srcdir()}/#{id}",
-             "#{curr_srcdir()}/#{id}.rb" ].detect {|cand| File.file?(cand) }
-    return unless path
-    begin
-      instance_eval File.read(path), path, 1
-    rescue
-      raise if $DEBUG
-      setup_rb_error "hook #{path} failed:\n" + $!.message
-    end
-  end
-
-end   # class Installer
-
-
-class SetupError < StandardError; end
-
-def setup_rb_error(msg)
-  raise SetupError, msg
-end
-
-if $0 == __FILE__
-  begin
-    ToplevelInstaller.invoke
-  rescue SetupError
-    raise if $DEBUG
-    $stderr.puts $!.message
-    $stderr.puts "Try 'ruby #{$0} --help' for detailed usage."
-    exit 1
-  end
-end
diff --git a/lib/rb/spec/spec_helper.rb b/lib/rb/spec/spec_helper.rb
index c04141a..ccb1adf 100644
--- a/lib/rb/spec/spec_helper.rb
+++ b/lib/rb/spec/spec_helper.rb
@@ -42,7 +42,7 @@
   end
 end
 
-$:.unshift File.join(File.dirname(__FILE__), *%w[.. debug_proto_test gen-rb])
+$:.unshift File.join(File.dirname(__FILE__), *%w[.. test debug_proto gen-rb])
 require "srv"
 require "debug_proto_test_constants"
 
diff --git a/lib/rb/thrift.gemspec b/lib/rb/thrift.gemspec
new file mode 100644
index 0000000..81d99c7
--- /dev/null
+++ b/lib/rb/thrift.gemspec
@@ -0,0 +1,34 @@
+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+
+Gem::Specification.new do |s|
+  s.name        = 'thrift'
+  s.version     = '0.8.0dev'
+  s.authors     = ['Thrift Developers']
+  s.email       = ['dev@thrift.apache.org']
+  s.homepage    = 'http://thrift.apache.org'
+  s.summary     = %q{Ruby bindings for Apache Thrift}
+  s.description = %q{Ruby bindings for the Apache Thrift RPC system}
+  s.license = 'Apache 2.0'
+  s.extensions = ['ext/extconf.rb']
+
+  s.has_rdoc      = true
+  s.rdoc_options  = %w[--line-numbers --inline-source --title Thrift --main README]
+
+  s.rubyforge_project = 'thrift'
+
+  dir = File.expand_path(File.dirname(__FILE__))
+
+  s.files = Dir.glob("{lib,spec}/**/*")
+  s.test_files = Dir.glob("{test,spec,benchmark}/**/*")
+  s.executables =  Dir.glob("{bin}/**/*")
+
+  s.extra_rdoc_files  = %w[CHANGELOG README] + Dir.glob("{ext,lib}/**/*.{c,h,rb}")
+
+  s.require_paths = %w[lib ext]
+
+  s.add_development_dependency "rake"
+  s.add_development_dependency "rspec", "1.3.2"
+  s.add_development_dependency "mongrel"
+end
+