mkmf (loaderror) snippets

Error when installing Mongrel from gem

Tagged ruby, gem, mongrel, mkmf (loaderror)  Languages bash

I received the following error when installing Mongrel from the gem repository:

[email protected]:$ sudo gem install mongrel
Updating metadata for 281 gems from http://gems.rubyforge.org
complete
Building native extensions.  This could take a while...
ERROR:  Error installing mongrel:
    ERROR: Failed to build gem native extension.

/usr/bin/ruby1.8 extconf.rb install mongrel
extconf.rb:1:in require': no such file to load -- mkmf (LoadError)
    from extconf.rb:1

The fix is to install the ruby development package:

sudo apt-get install ruby1.8-dev
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