require 'formula'

class Rrdtool <Formula
  url 'http://oss.oetiker.ch/rrdtool/pub/rrdtool-1.4.3.tar.gz'
  homepage 'http://oss.oetiker.ch/rrdtool/index.en.html'
  md5 '492cf946c72f85987238faa2c311b7bb'

  depends_on 'pkg-config'
  depends_on 'glib'
  depends_on 'gettext'
  depends_on 'libxml2'
  depends_on 'expat'
  depends_on 'pango'
  depends_on 'libpng'
  depends_on 'intltool'

  # Can use lua if it is found, but don't force users to install
  # depends_on 'lua' => :optional

  def install
    system "./configure", "--disable-dependency-tracking",
                          "--prefix=#{prefix}",
                          "--enable-perl-site-install",
                          "--enable-ruby-site-install",
                          # Installing directly into Homebrew's Python's site-packages
                          # can break things, so we disable this for now.
                          # TODO: how to build Python support w/o installing it.
                          "--disable-python"

    system "make install"
  end

  def test
    # Test ruby support; currently fails.
    system "ruby", "-e", "require 'RRD'"
  end
end