Use depends_on in the flac formula and also enable-sse

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/flac.rb

@@ -1,21 +1,23 @@
 require 'formula'
 
 class Flac2Mp3 <GithubGistFormula
-  @url='http://gist.github.com/raw/124242/79857936f1d72824be0fb5d2ac845c02322abea0/flac2mp3'
-  @md5='8351009b64afedfeb7a9e162ccd8d94c'
+  url 'http://gist.github.com/raw/124242/79857936f1d72824be0fb5d2ac845c02322abea0/flac2mp3'
+  md5 '8351009b64afedfeb7a9e162ccd8d94c'
 end
 
 class Flac <Formula
-  @homepage='http://flac.sourceforge.net'
-  @url='http://downloads.sourceforge.net/sourceforge/flac/flac-1.2.1.tar.gz'
-  @md5='153c8b15a54da428d1f0fadc756c22c7'
+  homepage 'http://flac.sourceforge.net'
+  url 'http://downloads.sourceforge.net/sourceforge/flac/flac-1.2.1.tar.gz'
+  md5 '153c8b15a54da428d1f0fadc756c22c7'
+
+  depends_on 'lame'
 
   def install
     # sadly the asm optimisations won't compile since Leopard, and nobody 
     # cares or knows how to fix it
-    # TODO --enable-sse
     system "./configure", "--disable-debug",
                           "--disable-asm-optimizations",
+                          "--enable-sse",
                           "--prefix=#{prefix}",
                           "--mandir=#{man}"
     ENV['OBJ_FORMAT']='macho'
@@ -23,8 +25,4 @@ class Flac <Formula
 
     Flac2Mp3.new.brew {|f| bin.install 'flac2mp3'}
   end
-
-  def caveats
-    "The flac2mp3 Ruby script depends on Lame." if `which lame`.empty?
-  end
 end