[DRE-maint] Bug#573620: librmagick FTBS: progress is underway, but...

[Vincent Fourmond]

  One cause of the FTBS of librmagick-ruby with newer imagemagick has
been removed, but I'm hitting another problem:

/usr/bin/ruby1.8 -I /tmp/buildd/librmagick-ruby-2.13.0/./lib -I
/tmp/buildd/librmagick-ruby-2.13.0/./ext/RMagick InitialCoords.rb
(example 1 of 188)
/tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/misc.rb:322:in
`get_type_metrics': unable to read font `(null)' @
error/annotate.c/RenderFreetype/1044: `(null)' (Magick::ImageMagickError)
        from /tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/misc.rb:322:in
`render'
        from /tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/misc.rb:697:in
`text'
        from /tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/text.rb:65:in
`add_primitives'
        from
/tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/container.rb:72:in
`add_primitives'
        from
/tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/container.rb:72:in `each'
        from
/tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/container.rb:72:in
`add_primitives'
        from /tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/rvg.rb:264:in
`add_outermost_primitives'
        from /tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/rvg.rb:264:in
`each'
        from /tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/rvg.rb:264:in
`add_outermost_primitives'
        from /tmp/buildd/librmagick-ruby-2.13.0/./lib/rvg/rvg.rb:236:in
`draw'
        from InitialCoords.rb:22

  This is very much probably linked to imagemagick's bug #573983.

  Cheers,

	Vincent

-- 
Vincent Fourmond, Debian Developer
http://vince-debian.blogspot.com/

The Librarian was, of course, very much in favour of reading in
general, but readers in particular got on his nerves.
 -- Terry Pratchet, Men at arms

Vincent, listening to Can I Tell You (Kansas)