dan-vs-macbook:venue-driver pod$ export ARCHFLAGS="-arch i386 -arch x86_64" ; gem install --no-rdoc --no-ri mysql -- --with-mysql-dir=/opt/local/lib/mysql5 --with-mysql-config=/opt/local/lib/mysql5/bin/mysql_config

WARNING:  Installing to ~/.gem since /Library/Ruby/Gems/1.8 and
	  /usr/bin aren't both writable.
WARNING:  You don't have /Users/pod/.gem/ruby/1.8/bin in your PATH,
	  gem executables will not run.
Building native extensions.  This could take a while...
ERROR:  Error installing mysql:
	ERROR: Failed to build gem native extension.

/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb install --no-rdoc --no-ri mysql -- --with-mysql-dir=/opt/local/lib/mysql5 --with-mysql-config=/opt/local/lib/mysql5/bin/mysql_config
extconf.rb:10: command not found: /opt/local/lib/mysql5/bin/mysql_config --cflags
*** 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=/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
	--with-mysql-config


Gem files will remain installed in /Users/pod/.gem/ruby/1.8/gems/mysql-2.8.1 for inspection.
Results logged to /Users/pod/.gem/ruby/1.8/gems/mysql-2.8.1/ext/mysql_api/gem_make.out