Datagram builder as a C extension

.gitignore

@@ -3,6 +3,7 @@ doc
 *.gem
 .bundle
 Gemfile.lock
+lib/statsd/instrument/ext/*
 pkg/*
 vendor/
 tmp/*

Rakefile

@@ -3,10 +3,21 @@
 require 'bundler/gem_tasks'
 require 'rake/testtask'
 
+GEMSPEC = eval(File.read('statsd-instrument.gemspec'))
+
+require 'rake/extensiontask'
+Rake::ExtensionTask.new('statsd', GEMSPEC) do |ext|
+  ext.ext_dir = 'ext/statsd'
+  ext.lib_dir = 'lib/statsd/instrument/ext'
+end
+task :build => :compile
+
 Rake::TestTask.new('test') do |t|
   t.ruby_opts << '-r rubygems'
   t.libs << 'lib' << 'test'
   t.test_files = FileList['test/**/*_test.rb']
 end
 
+task :test => :build
+
 task default: :test

ext/statsd/extconf.rb

@@ -0,0 +1,12 @@
+require 'mkmf'
+
+append_cflags '-pedantic'
+append_cflags '-Wall'
+if ENV['STATSD_EXT_DEBUG']
+  append_cflags "-Og"
+  append_cflags '-ggdb3'
+else
+  append_cflags "-O3"
+end
+
+create_makefile('statsd/statsd')