I've hit a roadblock installing GD with CPAN on a new server. The relevant error line is
Can't load '/usr/local/lib/perl5/auto/GD/GD.so' for module GD: /usr/local/lib/perl5/auto/GD/GD.so: undefined symbol: gdImageCreateFromGd2Ptr at /usr/lib/perl5/DynaLoader.pm line 200.
While installing submodule GD::Graph
As far as I can tell, prerequisites libraries are all installed and up to date.