o Build CGAL:

  cd CGAL-3.5
  source runcmake.sh
  make -j4
  make install

o Patch OpenCSG

  patch -p0 < OpenCSG-MacOSX-port.patch

o Build OpenCSG

  cd OpenCSG-1.1.1
  qmake -recursive
  make
  
o Build OpenSCAD

  cd openscad
  qmake
  make -j4


o Deploy

  mkdir openscad.app/Contents/Frameworks
  cp ../OpenCSG-1.1.1/lib/libopencsg.dylib openscad.app/Contents/Frameworks
  cp /opt/local/lib/libGLEW.1.5.1.dylib openscad.app/Contents/Frameworks
  cp /Library/Frameworks/QtOpenGL.framework/Versions/4/QtOpenGL openscad.app/Contents/Frameworks
  cp /Library/Frameworks/QtGui.framework/Versions/4/QtGui openscad.app/Contents/Frameworks
  cp /Library/Frameworks/QtCore.framework/Versions/4/QtCore openscad.app/Contents/Frameworks
  install_name_tool -change libopencsg.1.dylib @executable_path/../Frameworks/libopencsg.dylib openscad.app/Contents/MacOS/openscad
  install_name_tool -change QtOpenGL.framework/Versions/4/QtOpenGL @executable_path/../Frameworks/QtOpenGL openscad.app/Contents/MacOS/openscad
  install_name_tool -change QtGui.framework/Versions/4/QtGui @executable_path/../Frameworks/QtGui openscad.app/Contents/MacOS/openscad
  install_name_tool -change QtCore.framework/Versions/4/QtCore @executable_path/../Frameworks/QtCore openscad.app/Contents/MacOS/openscad
  install_name_tool -change QtGui.framework/Versions/4/QtGui @executable_path/../Frameworks/QtGui openscad.app/Contents/Frameworks/QtOpenGL 
  install_name_tool -change QtCore.framework/Versions/4/QtCore @executable_path/../Frameworks/QtCore openscad.app/Contents/Frameworks/QtOpenGL 
  install_name_tool -change QtCore.framework/Versions/4/QtCore @executable_path/../Frameworks/QtCore openscad.app/Contents/Frameworks/QtGui

  install_name_tool -change /opt/local/lib/libGLEW.1.5.1.dylib @executable_path/../Frameworks/libGLEW.1.5.1.dylib openscad.app/Contents/MacOS/openscad
  install_name_tool -change /opt/local/lib/libGLEW.1.5.1.dylib @executable_path/../Frameworks/libGLEW.1.5.1.dylib openscad.app/Contents/Frameworks/libopencsg.dylib