[Rails] Re: Newbie | Installing mysql2 gem

On 8 sep, 11:32, Diego Waisman <li...@ruby-forum.com> wrote:
> Hello everyone,
> I wanted to learn about Ruby on Rails and its advantages and I decided
> to start with some tutorials.
> Unfortunately I'm forced to post my problem on the forum after days of
> unsuccessful solutions.
> I've installed Railsinstaller and mysql 5.5.15 64 bit version.
> I'm running win 7. I've been using the following command:
>
> C:\>gem install mysql2 -- --with-mysql-lib=C:\MySQL\lib
> --with-mysql-include=C:\MySQL\include
>
> I've used this command and included path for Mysql 32 bit (lib, include
> directories) but I constantly get the following error:
>
> C:/RailsInstaller/Ruby1.9.2/bin/ruby.exe extconf.rb
> --with-mysql-lib=C:\MySQL\lib --with-mysql-include=C:\MySQL\include
> checking for rb_thread_blocking_region()... yes
> checking for main() in -llibmysql... 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.
>
> For what I understand it might be having problems finding the right
> library for the install.
> Any help is warmly appreciated. I've manage to create a working
> application with SQLite, but I honestly prefer to use Mysql.
>

http://blog.mmediasys.com/2011/07/07/installing-mysql-on-windows-7-x64-and-using-ruby-with-it/

You can't link 32bits Ruby against 64bits MySQL.

--
Luis Lavena

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