Homebrew formula that installs poppler 0.22.5 with several patches applied to the pdftocairo utility. The patches fix output to stdout and add -jpegquality <int> and -pngcompression <int> command line options.

poppler.rb

require 'formula'

class PopplerData < Formula
  url 'http://poppler.freedesktop.org/poppler-data-0.4.6.tar.gz'
  sha1 'f030563eed9f93912b1a546e6d87936d07d7f27d'
end

class Poppler < Formula
  homepage 'http://poppler.freedesktop.org'
  url 'http://poppler.freedesktop.org/poppler-0.22.5.tar.gz'
  sha1 '9491bb33788d7f0ee67da572dc4798004f98323a'

  option 'with-qt4', 'Build Qt backend'
  option 'with-glib', 'Build Glib backend'

  depends_on 'pkg-config' => :build

  depends_on :fontconfig
  depends_on 'openjpeg'
  depends_on 'libpng'

  depends_on 'qt' if build.with? 'qt4'
  depends_on 'glib' => :optional
  depends_on 'cairo' if build.with? 'glib' # Needs a newer Cairo build than OS X 10.6.7 provides

  def patches
    ['https://gist.github.com/mtyaka/6196945/raw/f786afd7d4e40a5c744dde9f4b823239a92c3d27/pdftocairo-stdout.patch',
     'https://gist.github.com/mtyaka/6267472/raw/8057b6f9c222d89ae6c702a1963648f04251db0e/pdftocairo-jpegquality.patch',
     'https://gist.github.com/mtyaka/6267779/raw/d9ff07c009f16e048723093420c4d9a60f3e6bbc/pdftocairo-pngcompression.patch']
  end

  def install
    if build.with? 'qt4'
      ENV['POPPLER_QT4_CFLAGS'] = `#{HOMEBREW_PREFIX}/bin/pkg-config QtCore QtGui --libs`.chomp
      ENV.append 'LDFLAGS', "-Wl,-F#{HOMEBREW_PREFIX}/lib"
    end

    args = ["--disable-dependency-tracking", "--prefix=#{prefix}", "--enable-xpdf-headers"]
    # Explicitly disable Qt if not requested because `POPPLER_QT4_CFLAGS` won't
    # be set and the build will fail.
    #
    # Also, explicitly disable Glib as Poppler will find it and set up to
    # build, but Superenv will have stripped the Glib utilities out of the
    # PATH.
    args << ( build.with?('qt4') ? '--enable-poppler-qt4' : '--disable-poppler-qt4' )
    args << ( build.with?('glib') ? '--enable-poppler-glib' : '--disable-poppler-glib' )

    system "./configure", *args
    system "make install"

    # Install poppler font data.
    PopplerData.new.brew do
      system "make", "install", "prefix=#{prefix}"
    end
  end
end

Install with:

brew install https://gist.github.com/mtyaka/6268956/raw/f56f36dc8338c6bf8cb14aa0f6a86ed496daa411/poppler.rb