ocp: use new dsl

Formula/ocp.rb

@@ -1,34 +1,32 @@
 require "formula"
 
 class Ocp < Formula
-  url "http://downloads.sourceforge.net/project/opencubicplayer/ocp-0.1.21/ocp-0.1.21.tar.bz2"
-  md5 '558a6eacfadfd9c60c97a6e9c7f83f47'
   homepage "http://sourceforge.net/p/opencubicplayer/home/"
+  url "http://downloads.sourceforge.net/project/opencubicplayer/ocp-0.1.21/ocp-0.1.21.tar.bz2"
+  sha1 "aaa16cf1979c572b09c73e7cc61350bfc4477380"
+
+  option "without-mad", "disable mad mpeg audio support"
+  option "without-flac", "disable FLAC support"
+  option "with-adplug", "enable adplug support"
 
   depends_on "libvorbis"
-  depends_on "mad" unless ARGV.include? "--without-mad"
-  depends_on "flac" unless ARGV.include? "--without-flac"
-  depends_on "adplug" if ARGV.include? "--with-adplug"
-
-  def options
-    [
-      ["--without-mad", "disable mad mpeg audio support"],
-      ["--without-flac", "disable FLAC support"],
-      ["--with-adplug", "enable adplug support"],
-    ]
-  end
+  depends_on "mad" => :recommended unless build.include? "without-mad"
+  depends_on "flac" => :recommended unless build.include? "without-flac"
+  depends_on "adplug" => :optional if build.include? "with-adplug"
 
   def install
     ENV.deparallelize
 
-    args = ["--prefix=#{prefix}",
-            "--without-x11",
-            "--without-sdl",
-            "--without-desktop_file_install"]
+    args = %W[
+      --prefix=#{prefix}
+      --without-x11
+      --without-sdl
+      --without-desktop_file_install
+    ]
 
-    args << "--without-mad"  if ARGV.include? "--without-mad"
-    args << "--without-flac" if ARGV.include? "--without-flac"
-    args << "--with-adplug"  if ARGV.include? "--with-adplug"
+    args << "--without-mad"  if build.include? "without-mad"
+    args << "--without-flac" if build.include? "without-flac"
+    args << "--with-adplug"  if build.include? "with-adplug"
 
     system "./configure", *args
     system "make"