From: Luis Lavena <luislavena@...>
Date: 2010-05-06T01:30:08+09:00
Subject: Re: sudo gem install mysql problem

On May 5, 10:41 am, Pen Ttt <myocean...@yahoo.cn> wrote:
> today i have installed ubuntu10.04.
> pt@pt-laptop:~$ ruby -v
> ruby 1.8.7 (2010-01-10 patchlevel 249) [i486-linux]
> pt@pt-laptop:~$ gem -v
> 1.3.5
> pt@pt-laptop:~$ sudo gem install mysql
> Building native extensions. This could take a while...
> ERROR: Error installing mysql:
> ERROR: Failed to build gem native extension.
>
> /usr/bin/ruby1.8 extconf.rb
> extconf.rb:10:in `require': no such file to load -- mkmf (LoadError)
> from extconf.rb:10
>
> Gem files will remain installed in /var/lib/gems/1.8/gems/mysql-2.8.1
> for inspection.
> Results logged to
> /var/lib/gems/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out
>
> how to sovle the problem?

You need a full Ruby installation, from the path "/var/lib" looks like
you're running Ubuntu.

Please install ruby-dev package and try again.

Also, you need mysql and libmysql-dev packages to compile.

--
Luis Lavena