wkhtmltopdf - build formula for Homebrew supporting 0.9.9, 0.11.0_rc1, and their patched Qt4

wkhtmltopdf.rb

require 'formula'

class WkhtmltopdfQt < Formula
  # This is the latest staging branch commit, dated 6 JAN 2012.
  url 'https://qt.gitorious.org/qt/wkhtmltopdf-qt/archive-tarball/6053b687d24956d0a7eac21a015172b29cf0f451'
  sha1 '3a48649a2082ced3153bd2841d1e8a94a5e74a4f'
  version '6053b68'
end

class Wkhtmltopdf < Formula
  url 'http://wkhtmltopdf.googlecode.com/files/wkhtmltopdf-0.9.9.tar.bz2'
  homepage 'http://code.google.com/p/wkhtmltopdf/'
  sha1 '41f598c0103326e7c13101391447b0284b4ba3cb'

  devel do
    url 'http://wkhtmltopdf.googlecode.com/files/wkhtmltopdf-0.11.0_rc1.tar.bz2'
    sha1 'db03922d281856e503b3d562614e3936285728c7'
    version '0.11.0_rc1'
  end

  depends_on 'qt' unless ARGV.include? '--build-patched-qt'

  def options
    [['--build-patched-qt', '(Devel only) Download and build a special patched Qt4 (~1hr)']]
  end

  def startup_script name
    <<-EOS.undent
      #!/bin/bash
      exec "#{libexec}/#{name}.app/Contents/MacOS/#{name}" "$@"
    EOS
  end

  def install
    if ARGV.build_devel?
      # fix that missing TEMP= include.
      inreplace 'common.pri' do |s|
        s.gsub! 'TEMP = $$[QT_INSTALL_LIBS] libQtGui.prl', ''
        s.gsub! 'include($$join(TEMP, "/"))', ''
      end
      # If we are 64bit, do not compile with -arch i386 so we match Qt's arch.
      if MacOS.prefer_64_bit?
        inreplace 'src/pdf/pdf.pro', 'x86', 'x86_64'
        inreplace 'src/image/image.pro', 'x86', 'x86_64'
      end
      # Let it bundle everything into an .app so that we can put qt_menu.nib
      # in the Resources folder where it has to live when building patched qt.
      # Otherwise the nib has to live in bin, which is not acceptable.
      # The line being replaced is: 'CONFIG -= app_bundle'
      inreplace 'src/pdf/pdf.pro', 'CONFIG -=', '#CONFIG -='
      inreplace 'src/image/image.pro', 'CONFIG -=', '#CONFIG -='
    else
      # fix that missing TEMP= include and a deprecated variable
      inreplace 'wkhtmltopdf.pro' do |s|
        s.gsub! 'TEMP = $$[QT_INSTALL_LIBS] libQtGui.prl', ''
        s.gsub! 'include($$join(TEMP, "/"))', ''
        s.gsub! 'QMAKE_EXTRA_UNIX_TARGETS', 'QMAKE_EXTRA_TARGETS'
      end
      # Fix a typo in the 0.9.9 source.  Use the correct variable name from Qt.
      inreplace 'src/pageconverter.cc',
        'PKK_UseCompression',
        'PPK_UseCompression'
    end


    # build their patched qt if the user options that
    if ARGV.include? '--build-patched-qt' and ARGV.build_devel?
      WkhtmltopdfQt.new('wkhtmltopdfqt').brew {(buildpath+'wkhtmltopdf-qt').install Dir['*']}
      cd 'wkhtmltopdf-qt' do
        # Fixes build error with clang, cannot initialize return object, cf.
        # http://lists.qt.nokia.com/pipermail/qt-interest/2011-September/035824.html
        inreplace 'src/gui/kernel/qt_cocoa_helpers_mac_p.h',
                  'reinterpret_cast<const NSString *>(QCFString::toCFStringRef(qstr))',
                  'const_cast<NSString*>(reinterpret_cast<const NSString *>(QCFString::toCFStringRef(qstr)))'
        inreplace 'src/plugins/bearer/corewlan/qcorewlanengine.mm',
                  'reinterpret_cast<const NSString *>(QCFString::toCFStringRef(qstr))',
                  'const_cast<NSString*>(reinterpret_cast<const NSString *>(QCFString::toCFStringRef(qstr)))'
        ENV.append "CXXFLAGS", "-fvisibility=hidden"
        ENV['QTDIR'] = buildpath+'wkhtmltopdf-qt'
        ENV['LD'] = ENV['CXX']
        ENV.x11
        system './bin/syncqt'
        args = %w[
          -release -static -fast -exceptions -no-accessibility -no-stl
          -no-sql-ibase -no-sql-mysql -no-sql-odbc -no-sql-psql -no-sql-sqlite
          -no-sql-sqlite2 -no-qt3support -xmlpatterns -no-phonon
          -no-phonon-backend -webkit -no-scripttools -system-zlib
          -system-libpng -L/usr/X11/lib -I/usr/X11/include
          -openssl -graphicssystem raster -opensource -nomake tools
          -nomake examples -nomake demos -nomake docs -nomake translations
          -no-opengl -no-dbus -no-framework -no-dwarf2 -no-multimedia
          -no-declarative -largefile -rpath -no-nis -no-cups -no-iconv -no-pch
          -no-gtkstyle -no-nas-sound -no-sm -no-xshape -no-xinerama -no-xfixes
          -no-xrandr -no-xrender -no-mitshm -no-xkb -no-glib -no-openvg
          -no-xsync -no-javascript-jit -no-egl -no-3dnow -no-sse -no-mmx
          -no-ssse3 -confirm-license
          --prefix=../wkqt/ -arch
        ]
        MacOS.prefer_64_bit? ? (args << 'x86_64') : (args << 'x86')
        system './configure', *args
        system 'make'
        system 'make install'
      end
      system './wkqt/bin/qmake'
    else
      system 'qmake', '-spec', 'macx-g++'
    end

    system 'make'

    # The app is needed for --build-patched-qt. Use a shim script to run things.
    wk2pdf_bin = 'wkhtmltopdf.app/Contents/MacOS/wkhtmltopdf'
    wk2img_bin = 'wkhtmltoimage.app/Contents/MacOS/wkhtmltoimage'
    wk2pdf_man = 'wkhtmltopdf.1'
    wk2img_man = 'wkhtmltoimage.1'
    nib = 'wkhtmltopdf-qt/src/gui/mac/qt_menu.nib'

    if ARGV.build_devel?
      ENV['DYLD_LIBRARY_PATH'] = './bin'
      system "bin/#{wk2pdf_bin} --manpage > #{wk2pdf_man}"
      system "bin/#{wk2img_bin} --manpage > #{wk2img_man}"
      d = Pathname.new "#{buildpath}/bin/wkhtmltopdf.app/Contents/Resources"
      d.install nib if ARGV.include? '--build-patched-qt'
      prefix.install %w(README_WKHTMLTOPDF README_WKHTMLTOIMAGE COPYING)
      libexec.install Dir[ "bin/wkh*" ]
      lib.install Dir[ "bin/lib*" ]
      [wk2pdf_man, wk2img_man].each {|f| man1.install gzip(f)}
      (bin+'wkhtmltopdf').write startup_script('wkhtmltopdf')
      (bin+'wkhtmltoimage').write startup_script('wkhtmltoimage')
    else
      system "#{wk2pdf_bin} --manpage > #{wk2pdf_man}"
      prefix.install %w(README COPYING)
      libexec.install %w(wkhtmltopdf.app)
      man1.install gzip(wk2pdf_man)
      (bin+'wkhtmltopdf').write startup_script('wkhtmltopdf')
    end
  end
end