[zeromq-dev] Please help getting Error

[Rajeev Sharma]

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

        /home/rajeevkannav/.rvm/rubies/ruby-1.9.2-p290/bin/ruby extconf.rb
checking for zmq.h... no
checking for zmq.h in /opt/local/include,/usr/local/include,/usr/include...
no
extconf.rb:36:in `<main>': Couldn't find zmq library. try setting
--with-zmq-dir=<path> to tell me where it is. (RuntimeError)


Gem files will remain installed in
/home/rajeevkannav/.rvm/gems/ruby-1.9.2-p290 at ss2.0/gems/zmq-2.1.4 for
inspection.
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