YAML:XS is not listed as a dep in the spec file which results in

```
HOME=/home/me /usr/bin/perl -Iblib/lib   ikiwiki.in -dumpsetup ikiwiki.setup
Can't locate YAML/XS.pm in @INC (@INC contains: . blib/lib /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5) at (eval 39) line 2.
BEGIN failed--compilation aborted at (eval 39) line 2.
make: *** [ikiwiki.setup] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.Sgq2QK (%build)
```

when trying to build

> Ok, added. [[done]] --[[Joey]] 
>> Appears to be missing in 'Makefile.PL' also.  -- [[ttw]]

>>> Added --[[Joey]]
