Ruby on Rails

Colin Law wrote in post #1155692:
> 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

Hi Colin, I've ran that line successfully. Then I got this error by this
following command.

selvag@selvag:~$ sudo gem install devil
Building native extensions. This could take a while...
ERROR: Error installing devil:
ERROR: Failed to build gem native extension.

/usr/bin/ruby1.9.1 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 may need configuration options.

Provided configuration options:
--with-opt-dir
--without-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/usr/bin/ruby1.9.1
--with-ILlib
--without-ILlib


Gem files will remain installed in
/var/lib/gems/1.9.1/gems/devil-0.1.9.5 for inspection.
Results logged to
/var/lib/gems/1.9.1/gems/devil-0.1.9.5/ext/devil/gem_make.out

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