title: RVM Ruby 1.9.1 install can't locate zlib but its runtime and dev library are there
body: <p>Trying to get Ruby 1.9.1 up and running with RVM on a fresh install (fedora). </p>
  
  <p>After doing <code>rvm install 1.9.1</code>, the rubygems error logs show that zlib can't be located </p>
  
  <blockquote>
    <p>no such file to load -- zlib (LoadError)</p>
  </blockquote>
  
  <p>However both the zlib runtime and development libraries are installed and up-to-date. </p>
  
  <p>I'm kinda stumped on this one at the moment.</p>