An update to the boitho-devel package used for building the open source version is scheduled for Monday 23 september 2013. This package is only installed if you manually build your ES from the GitHub repository.
The update adds more dependencies to the devel package and setups of rpm build environment for.
You can test this today by:
*Ar root, run the following on the command line:
yum install perl-Error perl-JSON valgrind gdb gcc-c++
* Download the file http://bbh-001.boitho.com/div/boitho-devel-0.1.2-1.i386.rpm
* Then go to Software updates->Advanced in the admin panel and install the rpm.
