Installing nokogiri Mac OS X 10.8.2 XCode installed

Question

Trying to install nokogiri on Mountain Lion. I was using ruby 1.8.7 but just upgraded to 1.9.3 but it stopped the bundle install from working.

Incidentally, I could get

Answer 1

After short research I find out what problem can be simply solved by creating symbolic link

sudo ln -s /usr/bin/gcc /usr/bin/gcc-4.2

works for me hope for you too

gem install nokogiri
Building native extensions.  This could take a while...
ERROR:  Error installing nokogiri:
    ERROR: Failed to build gem native extension.

        /Users/morozovm/.rvm/rubies/ruby-1.9.3-p327/bin/ruby extconf.rb
checking for libxml/parser.h... *** extconf.rb failed ***

bash-3.2$ sudo ln -s /usr/bin/gcc /usr/bin/gcc-4.2
Password:
bash-3.2$ gem install nokogiri
Building native extensions.  This could take a while...
Successfully installed nokogiri-1.5.6
1 gem installed