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Install Hpricot on Ubuntu
It’s quite easy. Make sure you have RubyGems and Ruby installed first, of course.
The problem:
1$ sudo gem install hpricot
2Building native extensions. This could take a while...
3ERROR: Error installing hpricot:
4 ERROR: Failed to build gem native extension.
5
6/usr/bin/ruby1.8 extconf.rb
7extconf.rb:1:in `require': no such file to load -- mkmf (LoadError)
8 from extconf.rb:1
The solution:
1sudo apt-get install ruby1.8-dev build-essential
2sudo gem install hpricot
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