mysql gem

Installing mysql (2.8.1) with native extensions /Users/user/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/installer.rb:483:in `build_extensions': ERROR: Failed to build gem native extension. (Gem::Installer::ExtensionBuildError)

/Users/user/.rvm/rubies/ree-1.8.7-2010.02/bin/ruby extconf.rb 
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lm... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lz... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lsocket... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lnsl... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lmygcc... no
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=/Users/user/.rvm/rubies/ree-1.8.7-2010.02/bin/ruby
	--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
	--with-mlib
	--without-mlib
	--with-mysqlclientlib
	--without-mysqlclientlib
	--with-zlib
	--without-zlib
	--with-mysqlclientlib
	--without-mysqlclientlib
	--with-socketlib
	--without-socketlib
	--with-mysqlclientlib
	--without-mysqlclientlib
	--with-nsllib
	--without-nsllib
	--with-mysqlclientlib
	--without-mysqlclientlib
	--with-mygcclib
	--without-mygcclib
	--with-mysqlclientlib
	--without-mysqlclientlib


Gem files will remain installed in /Users/user/.rvm/gems/ree-1.8.7-2010.02/gems/mysql-2.8.1 for inspection.
Results logged to /Users/user/.rvm/gems/ree-1.8.7-2010.02/gems/mysql-2.8.1/ext/mysql_api/gem_make.out
	from /Users/user/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/installer.rb:446:in `each'
	from /Users/user/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/installer.rb:446:in `build_extensions'
	from /Users/user/.rvm/rubies/ree-1.8.7-2010.02/lib/ruby/site_ruby/1.8/rubygems/installer.rb:198:in `install'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/source.rb:95:in `install'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/installer.rb:55:in `run'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/spec_set.rb:12:in `each'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/spec_set.rb:12:in `each'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/installer.rb:44:in `run'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/installer.rb:8:in `install'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/cli.rb:225:in `install'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/vendor/thor/task.rb:22:in `send'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/vendor/thor/task.rb:22:in `run'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/vendor/thor/invocation.rb:118:in `invoke_task'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/vendor/thor.rb:246:in `dispatch'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/lib/bundler/vendor/thor/base.rb:389:in `start'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/gems/bundler-1.0.7/bin/bundle:13
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/bin/bundle:19:in `load'
	from /Users/user/.rvm/gems/ree-1.8.7-2010.02@global/bin/bundle:19