It occurred to me that uhel wrote in gmane.os.netbsd.devel.packages:
> Hi,
>
> can anyone tell me whats the difference between kdevelop-3.2.0 and
> kdevelop-base-3.2.0 and which to choose if one wants kdevelop?
> The DESCR files are equal....

kdevelop-3.2.0 is a meta-package, containing dependencies to (among others)
kdevelop-base (which contains the "real" Kdevelop), as well as packages
you really need to use kdevelop (like kdbg)

You want to install kdevelop. Kdevelop-base will be pulled in on the way.