title: Can't install rmagick gem on Ubuntu 13.04
body: <p>When I try to install rmagic with:</p>
  
  <pre><code>gem install rmagic
  </code></pre>
  
  <p>it gives error:</p>
  
  <pre><code>Building native extensions.  This could take a while...
  ERROR:  Error installing rmagick:
      ERROR: Failed to build gem native extension.
  
      /home/biske/.rbenv/versions/2.0.0-p247/bin/ruby extconf.rb
  checking for Ruby version &gt;= 1.8.5... yes
  checking for gcc... yes
  checking for Magick-config... yes
  checking for ImageMagick version &gt;= 6.4.9... yes
  checking for HDRI disabled version of ImageMagick... yes
  checking for stdint.h... yes
  checking for sys/types.h... yes
  checking for wand/MagickWand.h... no
  
  Can't install RMagick 2.13.2. Can't find MagickWand.h.
  *** extconf.rb failed ***
  Could not create Makefile due to some reason, probably lack of necessary
  libraries and/or headers.  Check the mkmf.log file for more details.  You may
  need configuration options.
  
  Provided configuration options:
      --with-opt-dir
      --without-opt-dir
      --with-opt-include
      --without-opt-include=${opt-dir}/include
      --with-opt-lib
      --without-opt-lib=${opt-dir}/lib
      --with-make-prog
      --without-make-prog
      --srcdir=.
      --curdir
      --ruby=/home/biske/.rbenv/versions/2.0.0-p247/bin/ruby
  
  
  Gem files will remain installed in /home/biske/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/rmagick-2.13.2 for inspection.
  Results logged to /home/biske/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/rmagick-2.13.2/ext/RMagick/gem_make.out
  </code></pre>
  
  <p>I tried to search for problem and found that I am missing libmagickwand-dev. I tried to install it with:</p>
  
  <pre><code>sudo apt-get install libmagickwand-dev
  </code></pre>
  
  <p>but it raises error:</p>
  
  <pre><code>The following packages have unmet dependencies:
   libmagickwand-dev : Depends: libmagickcore-dev (= 8:6.7.7.10-5ubuntu2) but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  </code></pre>
  
  <p>If I try to install it with:</p>
  
  <pre><code>sudo apt-get install libmagickcore-dev
  </code></pre>
  
  <p>it gives error:</p>
  
  <pre><code>The following packages have unmet dependencies:
   libmagickcore-dev : Depends: librsvg2-dev but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  </code></pre>
  
  <p>If I try to install it with:</p>
  
  <pre><code>sudo apt-get install librsvg2-dev
  </code></pre>
  
  <p>it gives error:</p>
  
  <pre><code>The following packages have unmet dependencies:
   librsvg2-dev : Depends: libglib2.0-dev (&gt;= 2.24.0) but it is not going to be installed
                  Depends: libgdk-pixbuf2.0-dev (&gt;= 2.23.5-2) but it is not going to be installed
                  Depends: libcairo2-dev (&gt;= 1.2.0) but it is not going to be installed
  E: Unable to correct problems, you have held broken packages.
  </code></pre>
  
  <p>If I try to install libglib2.0-dev with:</p>
  
  <pre><code>sudo apt-get install libglib2.0-dev
  </code></pre>
  
  <p>it gives error:</p>
  
  <pre><code>The following packages have unmet dependencies:
   libglib2.0-dev : Depends: libglib2.0-0 (= 2.36.0-1ubuntu1) but 2.36.0-1ubuntu2 is to be installed
                    Depends: libglib2.0-bin (= 2.36.0-1ubuntu1)
  E: Unable to correct problems, you have held broken packages.
  </code></pre>
  
  <p>If I install libglib2.0-0 with:</p>
  
  <pre><code>sudo apt-get install libglib2.0-0
  </code></pre>
  
  <p>it gives:</p>
  
  <pre><code>libglib2.0-0 is already the newest version.
  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
  </code></pre>
  
  <p>If I install libglib2.0-bin with:</p>
  
  <pre><code>sudo apt-get install libglib2.0-bin
  </code></pre>
  
  <p>it gives:</p>
  
  <pre><code>Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  libglib2.0-bin is already the newest version.
  0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
  </code></pre>
  
  <p>Those 2 libs are installed but issuing again:</p>
  
  <pre><code>sudo apt-get install libglib2.0-dev
  </code></pre>
  
  <p>it gives same error:</p>
  
  <pre><code>The following packages have unmet dependencies:
   libglib2.0-dev : Depends: libglib2.0-0 (= 2.36.0-1ubuntu1) but 2.36.0-1ubuntu2 is to be installed
                    Depends: libglib2.0-bin (= 2.36.0-1ubuntu1)
  E: Unable to correct problems, you have held broken packages.
  </code></pre>
  
  <p>What could be problem here?</p>
  
  <p>I am using Ubuntu 13.04, rbenv, ruby 2.0.0, if that matters.</p>