[root@deb-m5v3b: /]sudo apt-get install gcc 
Reading package lists... Done 
Building dependency tree 
Reading state information... Done 
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. 
gcc: Depends: gcc-4.3 (>= 4.3.2-1) but it is not going to be installed 
Recommends: libc6-dev but it is not going to be installed or 
libc-dev 
E: Broken packages