I need to install this to get php 5.2 and 5.3 running concurrently. I keep getting these errors:

root@L3map02:~# apt-get -f install libmysqlclient16-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:
libmysqlclient16-dev: Depends: libmysqlclient-dev (>= 5.1.41-3ubuntu12.10) but it is not going to be installed
E: Broken packages
root@L3map02:~# apt-get -f install libmysqlclient-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:
libmysqlclient-dev: Depends: libmysqlclient16 (= 5.1.41-3ubuntu12.10) but 5.1.57-1~dotdeb.1 is to be installed
E: Broken packages

I'm running Ubuntu 10.4 and MySQL Ver 8.42 Distrib 5.1.51

Turns out I just use aptitude install libmysqlclient-dev and it downgraded the dependencies that were having an issue. Now new issues unfold...