ERROR: Error installing mechanize

Olá pessoal, ao tentar instalar a gem mechanize me deparei com o seguinte erro:

jqn@jqn-laptop:~$ sudo gem install mechanize
[sudo] password for jqn:
Building native extensions. This could take a while...
ERROR: Error installing mechanize:
ERROR: Failed to build gem native extension.

/usr/bin/ruby1.8 extconf.rb
checking for iconv.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local
/include,/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/
usr/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... yes
checking for libxml/parser.h in /opt/local/include/,/opt/local/include/libxml2,/opt/local/include,/opt/local/include,
/opt/local/include/libxml2,/usr/local/include,/usr/local/include/libxml2,/usr
/include,/usr/include/libxml2,/usr/include,/usr/include/libxml2... no
libxml2 is missing. try 'port install libxml2' or 'yum install libxml2-devel'
*** 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=/usr/bin/ruby1.8
--with-iconv-dir
--without-iconv-dir
--with-iconv-include
--without-iconv-include=${iconv-dir}/include
--with-iconv-lib
--without-iconv-lib=${iconv-dir}/lib
--with-xml2-dir
--without-xml2-dir
--with-xml2-include
--without-xml2-include=${xml2-dir}/include
--with-xml2-lib
--without-xml2-lib=${xml2-dir}/lib
--with-xslt-dir
--without-xslt-dir
--with-xslt-include
--without-xslt-include=${xslt-dir}/include
--with-xslt-lib
--without-xslt-lib=${xslt-dir}/lib


Gem files will remain installed in /var/lib/gems/1.8/gems/nokogiri-1.4.1 for inspection.
Results logged to /var/lib/gems/1.8/gems/nokogiri-1.4.1/ext/nokogiri/gem_make.out

Para resolver basta executar o comando abaixo:

$ sudo apt-get install libxslt1-dev

e tudo deve se acertar ao tentar instalar a gem novamente!

Até