Re: [Rails] Rails Instillation Error

On 31 May 2013 07:45, Vijay Maddipati <lists@ruby-forum.com> wrote:
> I installed the ruby 1.9.3. while instillation rails, I am getting
> instillation error. Below is the error

I advise using rvm for installing ruby and rails. See http://rvm.io.
That will handle all the dependencies for you if you.

Colin
>
> ERROR: Error installing rails:
> ERROR: Failed to build gem native extension.
>
> /usr/bin/ruby1.9.1 extconf.rb
> /usr/local/lib/site_ruby/1.9.1/rubygems/core_ext/kernel_require.rb:45:in
> `require': cannot load such file -- mkmf (LoadError)
> from
> /usr/local/lib/site_ruby/1.9.1/rubygems/core_ext/kernel_require.rb:45:in
> `require'
> from extconf.rb:1:in `<main>'
>
>
> Gem files will remain installed in
> /usr/lib/ruby/gems/1.9.1/gems/json-1.8.0 for inspection.
> Results logged to
> /usr/lib/ruby/gems/1.9.1/gems/json-1.8.0/ext/json/ext/generator/gem_make.out
>
> Please anyone help me out
>
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