Normally it's best to install DBD::mysql via apt on Debian: 
sudo aptitude install libdbd-mysql-perl

[download]

Debian provides native packages for the most commonly used CPAN modules, all of which have the form libfoo-bar-perl for a package Foo::Bar

That being said, if you still want to install it via cpan, you can at least satisfy all build dependencies with apt: 

sudo apt-get build-dep libdbd-mysql-perl

[download]

And then try again.

In reply to Re: Error installing DBD::mysql on Debian by moritz
in thread Error installing DBD::mysql on Debian by Geert86

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