lynx:~# echo 'echo -e "3\n" | gem install mysql --include-dependencies --remote' > /mnt/buildroot/install-mysql-gem.sh
lynx:~# chmod 0777 /mnt/buildroot/install-mysql-gem.sh
lynx:~# chroot /mnt/buildroot ln -s /usr/bin/ruby1.8 /usr/bin/ruby
ln: creating symbolic link `/usr/bin/ruby' to `/usr/bin/ruby1.8': File exists
lynx:~# chroot /mnt/buildroot /install-mysql-gem.sh
Bulk updating Gem source index for: http://gems.rubyforge.org
Select which gem to install for your platform (i486-linux)
 1. mysql 2.7.3 (mswin32)
 2. mysql 2.7.1 (mswin32)
 3. mysql 2.7 (ruby)
 4. mysql 2.6 (ruby)
 5. Skip this gem
 6. Cancel installation
> Building native extensions.  This could take a while...
Successfully installed mysql-2.7