Ruby on Rails

On 22 August 2014 06:58, Selvag Ruby <lists@ruby-forum.com> wrote:
> Hi expects,
> Please give a solution to this problem. I use Ubuntu.
> ...
> Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
>
> /home/selvag/.rvm/rubies/ruby-2.0.0-p481/bin/ruby extconf.rb
> checking for main() in -lIL... no
> *** extconf.rb failed ***
> Could not create Makefile due to some reason, probably lack of necessary
> libraries and/or headers. Check the mkmf.log file for more details.

You are probably missing something that is required for building gems.
In a terminal run
sudo apt-get install build-essential bison openssl libreadline6
libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev
libyaml-dev libxml2-dev autoconf libc6-dev ncurses-dev automake
libtool

That is all one line. See if that helps.

Colin

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