You probably need to include the double-hypen if you need to pass
options to the gem:

gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config

Darian Shimy
--
http://www.darianshimy.com
http://twitter.com/dshimy



On Wed, Nov 25, 2009 at 8:46 PM, dwhitekiss <[email protected]> wrote:
> Hi,
>
> I've setting up my ROR environemtn in Ubuntu linux, however,  I'm
> having difficulties when installing the mysql driver:
>
> # 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 /usr/lib/ruby/gems/1.8/gems/
> mysql-2.8.1 for inspection.
> Results logged to /usr/lib/ruby/gems/1.8/gems/mysql-2.8.1/ext/
> mysql_api/gem_make.out
>
>
> Not sure how to deal with the last paragraph.
>
> I googled about the error and tried the suggested
> gem install mysql --with-mysql-config=/usr/local/mysql/bin/
> mysql_config
>
> but did not work.
>
> Please help!
>
> D
>
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