build-essential

root@HP8540w:/home/memphisto# apt-cache policy g++ build-essential
g++:
  Installed: (none)
  Candidate: 4:4.7.2-1ubuntu8
  Version table:
     4:4.7.2-1ubuntu8 0
        500 http://rs.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
build-essential:
  Installed: (none)
  Candidate: 11.6ubuntu4
  Version table:
     11.6ubuntu4 0
        500 http://rs.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages