This is a little build script for Xfce4 to fetch and compile the sources from GIT (master). Short instructions:
You should start with an empty directory, where you put this script. Edit the script and modify the list of packages or modules, you want to install.
Then run the script with:
this fetches the sources from the Xfce GIT server and:
configures, builds and installs the sources. For more information read the script (it's really simple). The script can be downloaded at http://files.uvena.de/xfce4-build.sh.