packages kept back

[Troy Lenze]

David Abrahams wrote:
> How do I fix this problem?
>
>   $ sudo apt-get upgrade
>   Password:
>   Reading package lists... Done
>   Building dependency tree       
>   Reading state information... Done
>   The following packages have been kept back:
>     dpkg-dev fakeroot g++ g++-4.1 libc6-dev libstdc++6-4.1-dev
>   0 upgraded, 0 newly installed, 0 to remove and 6 not upgraded.
>
> I can get details about the unmet dependencies, but that doesn't help
> me understand how to fix them.  For example:
>
> The following packages have unmet dependencies:
>   g++-4.1: Depends: gcc-4.1-base (= 4.1.2-15ubuntu2) but 4.1.2-0ubuntu4 is to be installed
>            Depends: gcc-4.1 (= 4.1.2-15ubuntu2) but 4.1.2-0ubuntu4 is to be installed
>            Depends: libstdc++6-4.1-dev (= 4.1.2-15ubuntu2) but it is not going to be installed
>            Depends: libc6 (>= 2.6-1) but 2.5-0ubuntu14 is to be installed
>
> I don't know why the older versions of packages such as libc6 are "to
> be installed," nor what to do about it.
>
> TIA,
>   
Use "sudo apt-get dist-upgrade" or else you can use "sudo apt-get
install dpkg-dev fakeroot g++ etc..."  I prefer dist-upgrade myself.