Building a clean debian perl package

[Bob Wilkinson <bob@fourtheye.org>]

Hello

     I am trying to build a new debian package of my CPAN module. I
     get errors when building and it it not linda-clean.

b@italy:~/src/gramofile/Audio/Gramofile$ fakeroot debian/rules binary
dh_testdir
dh_testroot
dh_installdocs README
dh_installexamples 
dh_installchangelogs Changes
dh_link
dh_strip
dh_compress
dh_fixperms
dh_makeshlibs
dh_installdeb
dh_perl 
dh_shlibdeps
dh_gencontrol
dpkg-gencontrol: warning: unknown substitution variable ${perl:Depends}
dh_md5sums
dh_builddeb
dpkg-deb: building package `libaudio-gramofile-perl' in `../libaudio-gramofile-perl_0.07-1_i386.deb'.
bob@italy:~/src/gramofile/Audio/Gramofile$ grep Depends debian/*
debian/control:Build-Depends: debhelper (>= 4.0.2), perl (>= 5.8.0-7)
debian/control:Depends: ${perl:Depends}, ${shlibs:Depends}
debian/libaudio-gramofile-perl.substvars:shlibs:Depends=libgramofile1, libc6 (>= 2.7-1)
bob@italy:~/src/gramofile/Audio/Gramofile$ linda ../libaudio-gramofile-perl_0.07-1_i386.deb
W: libaudio-gramofile-perl; Module package has no dependancy on perl or perl-base.
bob@italy:~/src/gramofile/Audio/Gramofile$ 

     Please could someone point out the mistake I am making?

Bob