Library/Formula/webp.rb


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require 'formula'

class Webp < Formula
  homepage 'http://code.google.com/speed/webp/'
  url 'https://webp.googlecode.com/files/libwebp-0.4.0.tar.gz'
  sha1 '326c4b6787a01e5e32a9b30bae76442d18d2d1b6'
  revision 1

  option :universal

  depends_on 'libpng'
  depends_on 'jpeg' => :recommended

  def install
    ENV.universal_binary if build.universal?
    system "./configure", "--disable-dependency-tracking",
                          "--enable-libwebpmux",
                          "--enable-libwebpdemux",
                          "--enable-libwebpdecoder",
                          "--prefix=#{prefix}"
    system "make install"
  end

  test do
    system "#{bin}/cwebp", \
      "/usr/share/doc/cups/images/cups.png", "-o", "webp_test.png"
    system "#{bin}/dwebp", "webp_test.png", "-o", "webp_test.webp"
  end
end