install libnet0-dev bnfc libgnome-ruby1.6 libstonith-dev pentanet-dev
Reading package lists...
Building dependency tree...
Reading state information...
Reading extended state information...
Initializing package states...
The following NEW packages will be installed:
  bnfc [2.2-1]  gdk-imlib1{a} [1.9.14-16.2]  gnome-bin{a} [1.4.2-19]  
  gnome-libs-data{a} [1.4.2-19]  libart-ruby1.6{a} [0.34-1]  
  libart2{a} [1.4.2-19]  libgdk-imlib-ruby1.6{a} [0.34-1]  
  libgmp3{a} [4.1.4-6]  libgnome-ruby1.6 [0.34-1]  
  libgnome32{a} [1.4.2-19]  libgnomesupport0{a} [1.4.2-19]  
  libgnomeui32{a} [1.4.2-19]  libgnorba27{a} [1.4.2-19]  
  libgnorbagtk0{a} [1.4.2-19]  libgtk-ruby1.6{a} [0.34-1]  
  libgtkxmhtml1{a} [1.4.2-19]  libnet0{a} [1.0.2a-7]  
  libnet0-dev [1.0.2a-7]  liborbit0{a} [0.5.17-11.1]  
  libpcap0.8{a} [0.8.3-5]  libpcap0.8-dev{a} [0.8.3-5]  
  libpils0{a} [1.2.3-9sarge6]  libpng10-0{a} [1.0.18-1]  
  libruby1.6{a} [1.6.8-12sarge3]  libstonith-dev [1.2.3-9sarge6]  
  libstonith0{a} [1.2.3-9sarge6]  pentanet-dev [2.3.1-5]  
0 packages upgraded, 27 newly installed, 0 to remove and 0 not upgraded.
Need to get 4151 kB of archives. After unpacking 12.6 MB will be used.
WARNING: untrusted versions of the following packages will be installed!

Untrusted packages could compromise your system's security.
You should only proceed with the installation if you are certain that
this is what you want to do.

  libgdk-imlib-ruby1.6 gnome-bin libgnome32 gnome-libs-data libpcap0.8 
  libgnome-ruby1.6 libart-ruby1.6 libart2 libgnorbagtk0 libgtkxmhtml1 
  gdk-imlib1 libstonith-dev bnfc pentanet-dev libpcap0.8-dev libstonith0 
  libgnomeui32 libnet0-dev libgmp3 libpils0 libgtk-ruby1.6 libpng10-0 
  liborbit0 libgnomesupport0 libruby1.6 libnet0 libgnorba27 

Do you want to ignore this warning and proceed anyway?
To continue, enter "Yes"; to abort, enter "No": Abort.