[ubuntu-it] Problema installazione pacchetti

[francescoboccacci a libero.it]

ciao a tutti,
ho un problema con l'intsllazione di pacchetti per ubuntu 10.04LTS server (64 
bit).
apt-get install libmapnik0.7 mapnik-utils python-mapnik
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:
  libmapnik0.7: Depends: libgdal1-1.6.0 but it is not going to be installed
E: Broken packages
root:# apt-get install libmapnik-dev
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:
  libmapnik-dev: Depends: libmapnik0.7 (= 0.7.0-2ubuntu1) but it is not going 
to be installed
                 Depends: libgdal1-dev but it is not going to be installed
                 Depends: libsqlite3-dev but it is not going to be installed
                 Depends: libcurl4-gnutls-dev but it is not going to be 
installed
E: Broken packages
sapete com poterlo risolvere?

GRazie

Francesco