Just a heads up for people building on windows that you will need the updated windows_deps.7z from source forge. If you use the build-mg-2010.bat file to build, all you need to do is delete the source\windows_deps.7z and source\windows_deps folder and re-run the batch file (which will download the new deps)
This was specifically to add support for complex rendering languages using GNU fribidi for Arabic and Hebrew (which are currently being translated)