Rails Instillation Error

[Vijay Maddipati]

I installed the ruby 1.9.3. while instillation rails, I am getting
instillation error. Below is the error

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

--
Posted via http://www.ruby-forum.com/.

[Colin Law]

On 31 May 2013 07:45, Vijay Maddipati <li...@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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> Posted via http://www.ruby-forum.com/.
>

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[Vijay Maddipati]

Colin Law wrote in post #1110759:

> On 31 May 2013 07:45, Vijay Maddipati <li...@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

Thanks for your help. I installed rails in my system.

Regards,
Vijay.