title: Mavericks 10.9 trouble installing gem
body: <p>I've been struggling to install jekyll on my mac, don't know much about ruby or configuring/debugging these messages.</p>
  
  <p>I'm getting the following when running "sudo gem install jekyll"</p>
  
  <pre><code>Building native extensions.  This could take a while...
  ERROR:  Error installing jekyll:
      ERROR: Failed to build gem native extension.
  
      /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb
  creating Makefile
  
  make "DESTDIR="
  make: *** No rule to make target `/include/universal-darwin13/ruby/config.h', needed by `porter.o'.  Stop.
  
  
  Gem files will remain installed in /Library/Ruby/Gems/2.0.0/gems/fast-stemmer-1.0.2 for inspection.
  Results logged to /Library/Ruby/Gems/2.0.0/gems/fast-stemmer-1.0.2/ext/gem_make.out
  </code></pre>
  
  <p>"gcc --version" returns the following:</p>
  
  <pre><code>Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
  Apple LLVM version 5.0 (clang-500.2.76) (based on LLVM 3.3svn)
  Target: x86_64-apple-darwin13.0.0
  Thread model: posix
  </code></pre>