checkout libsass during extconf

extconf.rb

@@ -0,0 +1,17 @@
+require 'mkmf'
+require 'fileutils'
+# .. more stuff
+#$LIBPATH.push(Config::CONFIG['libdir'])
+$CFLAGS << " #{ENV["CFLAGS"]}"
+$LIBS << " #{ENV["LIBS"]}"
+
+if Dir[File.expand_path('ext/libsass/*', __FILE__)].empty? 
+  Dir.chdir(File.expand_path('.', __FILE__)) do
+    xsystem('git submodule init')
+    xsystem('git submodule update')
+  end
+end
+
+Dir.chdir(File.expand_path('ext/libsass', __FILE__)) do
+  create_makefile("libsass")  
+end

sassc.gemspec

@@ -9,12 +9,12 @@ $gemspec = Gem::Specification.new do |gem|
   gem.summary       = %q{libsass wrapper}
   gem.homepage      = "http://github.com/hcatlin/sassruby"
 
-  gem.files         = Dir["*", "ext/**/*", "lib/sassc.rb", "lib/sassc/*", "lib/sassc/**/*"]
+  gem.files         = `git ls-files`.split("\n")
   gem.executables   = []#gem.files.grep(%r{^bin/}).map{ |f| File.basename(f) }
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
 
   gem.platform = Gem::Platform::RUBY
-  gem.extensions    = ["ext/libsass/extconf.rb"]
+  gem.extensions    = ["extconf.rb"]
   gem.require_paths = ["lib", "exts"]
   gem.version       = "0.2"#SassC::VERSION