install libgcj4-dev cacti gnubg kronolith ppp
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 cacti : Depends: php4-mysql (>= 4.3.10-9) but it is not going to be installed or
                  php5-mysql but it is not going to be installed
         Depends: virtual-mysql-client
 gnubg : Depends: libgtk2.0-0 (>= 2.8.0) but 2.6.4-3.2 is to be installed
         Depends: libgtkglext1 but it is not going to be installed
 libgcj4-dev : Depends: gcj-3.3 (>= 1:3.3.5-13) but it is not going to be installed
E: Broken packages