Trying to build current Git master in a (two weeks old - no DSL here) sid chroot triggers :

        rendering news.mdwn
        Can't locate Image/Magick.pm in @INC (@INC contains: . blib/lib /etc/perl /usr/local/lib/perl/5.10.0 /usr/local/share/perl/5.10.0 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.10 /usr/share/perl/5.10 /usr/local/lib/site_perl .) at (eval 175) line 2.
        BEGIN failed--compilation aborted at (eval 175) line 2.

        make[1]: *** [extra_build] Error 2
        make[1]: Leaving directory `/tmp/buildd/ikiwiki-2.54'
        make: *** [build-stamp] Error 2

Adding perlmagick to the build-deps fixes it. I read somewhere in debian/changelog that this build-deb was not needed, but...