Depends problem perl5.6 and debhelper

[Gabor Zoltan Csejtey <Gabor.Csejtey@idi.ntnu.no>]

The following packages are related to each other:
from unstable main sources

Package: perl-5.6
Binary: libperl5.6, perl-5.6-base, perl-5.6-doc, perl-5.6-thread,
        perl-5.6-suid, perl-5.6, perl-5.6-debug
Version: 5.6.0-6.2
Priority: optional
Section: interpreters
Maintainer: Darren Stalder <torin@daft.com>
Build-Depends: debhelper (>=2.1), libdb2-dev, libgdbmg1-dev, debiandoc-sgml
Architecture: any
Standards-Version: 3.2.1
Format: 1.0
Directory: pool/main/p/perl-5.6

and

Package: debhelper
Binary: debhelper
Version: 3.0.6
Priority: optional
Section: devel
Maintainer: Joey Hess <joeyh@debian.org>
Build-Depends-Indep: perl-5.6, fileutils (>= 4.0-2.1), file (>= 3.23-1)
Architecture: all
Standards-Version: 3.5.1.0
Format: 1.0
Directory: pool/main/d/debhelper
Files:
 a818d7725a5a8fc88114cb80a67c88de 572 debhelper_3.0.6.dsc
 ab301344352a6ad53de6abeb118073c6 85296 debhelper_3.0.6.tar.gz

How can I compile them?

Gabor