title: Can't install do_mysql gem?
body: <p>I'm trying to install the do_mysql on my Snow Leopord system Macbook Pro 13", but I keep getting this error:</p>
  
  <pre><code>n216-160:~ myself$ sudo gem1.9 install do_mysql
  Password:
  Building native extensions.  This could take a while...
  ERROR:  Error installing do_mysql:
      ERROR: Failed to build gem native extension.
  
  /opt/local/bin/ruby1.9 extconf.rb
  checking for mysql_query() in -lmysqlclient... 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=/opt/local/bin/ruby1.9
      --with-mysql-config
      --without-mysql-config
      --with-mysql-dir
      --without-mysql-dir
      --with-mysql-include
      --without-mysql-include=${mysql-dir}/include
      --with-mysql-lib
      --without-mysql-lib=${mysql-dir}/lib
      --with-mysqlclientlib
      --without-mysqlclientlib
  
  
  Gem files will remain installed in /opt/local/lib/ruby1.9/gems/1.9.1/gems/do_mysql-0.10.0 for inspection.
  Results logged to /opt/local/lib/ruby1.9/gems/1.9.1/gems/do_mysql-0.10.0/ext/do_mysql_ext/gem_make.out
  n216-160:~ myself$ 
  </code></pre>
  
  <p>I have no idea why. I also reinstalled my verison of MySQL with the MySQL 5.4.3 beta, 64-bit as others suggested but no dice. Does anyone have any idea what is wrong?</p>