From: Zundra Daniel <zundra.daniel@...>
Date: 2008-04-29T04:39:33+09:00
Subject: Re: RMagick installation problems

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When I set my vps up with Ruby, Rails, and Mysql I followed this article
which also has a section on how to install ImageMagic.  Worked great for me.


http://articles.slicehost.com/2007/11/23/ubuntu-gutsy-mysql-and-ror


On Mon, Apr 28, 2008 at 7:53 AM, Tim Hunter <TimHunter@nc.rr.com> wrote:

> Axel Etzold wrote:
>
> > Dear all,
> >
> > I am having trouble installing/using RMagick on Ubuntu Gutsy (7.10)
> > Linux.
> > I tried various ways, and finally managed to get the installation
> > process
> > to complete "successfully" for the RMagick gem 2.3.0, after installing
> > both ImageMagick and GraphicsMagick via the apt-get install process,
> > along with several of the prerequisite libraries for the various
> > graphics
> > formats.
> >
> > When trying some examples, (like the cropping example on the
> > transformation page),
> >  I get this error:
> >
> > $ruby rone.rb
> > /var/lib/gems/1.8/gems/rmagick-2.3.0/lib/RMagick2.so:
> > /var/lib/gems/1.8/gems/rmagick-2.3.0/lib/RMagick2.so: undefined symbol:
> > SketchImage - /var/lib/gems/1.8/gems/rmagick-2.3.0/lib/RMagick2.so
> > (LoadError)
> >        from /usr/lib/ruby/1.8/rubygems/custom_require.rb:32:in `require'
> >        from /var/lib/gems/1.8/gems/rmagick-2.3.0/lib/RMagick.rb:11
> >        from /usr/lib/ruby/1.8/rubygems/custom_require.rb:32:in
> > `gem_original_require'
> >        from /usr/lib/ruby/1.8/rubygems/custom_require.rb:32:in `require'
> >        from rone.rb:2
> >
> >
> > Now, I've read in the documentation that apparently, some other
> > library libMagickGraphicsWand.so is sought. It's there, it's found,
> > but Rmagick still won't work ...
> >
> > #ldconfig -p | grep Magick
> >        libMagick.so.10 (libc6) => /usr/local/lib/libMagick.so.10
> >        libMagick.so.9 (libc6) => /usr/lib/libMagick.so.9
> >        libMagick.so (libc6) => /usr/local/lib/libMagick.so
> >        libMagick.so (libc6) => /usr/lib/libMagick.so
> >        libMagick++.so.10 (libc6) => /usr/local/lib/libMagick++.so.10
> >        libMagick++.so (libc6) => /usr/local/lib/libMagick++.so
> >        libGraphicsMagickWand.so.0 (libc6) =>
> > /usr/lib/libGraphicsMagickWand.so.0
> >        libGraphicsMagick.so.1 (libc6) => /usr/lib/libGraphicsMagick.so.1
> >
> > What can I do ?
> >
> > Thank you very much,
> >
> > Axel
> >
>
> It looks like you've got a mismatch between RMagick and whichever of
> ImageMagick and GraphicsMagick it's trying to use.
>
> Rather than trying to recover from this muddle, I recommend that you
> uninstall RMagick, ImageMagick, and GraphicsMagick altogether. You don't
> need to uninstall the delegates.
>
> Then decide which of ImageMagick and GraphicsMagick you want to use. (You
> only need one of them, and installing both doesn't help anything.) If you
> choose ImageMagick, decide which version you want to use.
>
> If you want to use GraphicsMagick or a version of ImageMagick older than
> 6.3.0, then you'll have to install RMagick 1.15.13. If you want to use
> ImageMagick 6.3.0 or later, then you can install RMagick 2.3.0. When it
> comes time to install the RMagick gem, you can use the --version option to
> specify which version of RMagick to install. For example,
>
>        gem install rmagick --version 1.15.13
> or
>        gem install rmagick --version 2.3.0
>
> After you decide between ImageMagick and GraphicsMagick, go to the RMagick
> installation FAQ,s find the HOWTO for Linux installations and follow the
> instructions. Those instructions are for general Linux installations,
> nothing Ubuntu-specific, but I'm sure that if you Google for "rmagick
> install ubuntu" you'll find plenty of people who have blogged
> Ubuntu-specific instructions.
>
> If you have questions post a note on the RMagick Help forum on RubyForge.
>
> --
> RMagick: http://rmagick.rubyforge.org/
> RMagick 2: http://rmagick.rubyforge.org/rmagick2.html
>
>

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