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rubyredclothoctopress

Failed to build gem native extension when install RedCloth-4.2.9 install Linux

I want to install Octopress in my computer. I try to do it like

Octopress document.

When I run

bundle install

I got error message

An error occured while installing RedCloth (4.2.9), and Bundler cannot continue.
Make sure that `gem install RedCloth -v '4.2.9'` succeeds before bundling.

So, I run

sudo gem install RedCloth -v '4.2.9'

then, I got a error message again:

ERROR:  Error installing RedCloth:
ERROR: Failed to build gem native extension.

    /usr/bin/ruby1.9.1 extconf.rb
    /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from extconf.rb:1:in `<main>'

I hadn't learn any knowledge about ruby.

Solution

  • You've probably upgraded to Mountain Lion and have not rebuilt your ruby-1.9.2 install yet with the new development packages. 

    rvm --force install 1.9.2
gem install bundle --no-ri --no-rdoc
bundle install

    If you don't have the Mountain Lion dev packages installed correctly, use the ThoughtBot instructions.