bundle-error whle installing rmagic gem

bundle-error-rmagic

Installing rmagick (2.12.2) with native extensions
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /home/vibin/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb 
checking for Ruby version >= 1.8.5... yes
extconf.rb:107: Use RbConfig instead of obsolete and deprecated Config.
checking for gcc... yes
checking for Magick-config... no
Can't install RMagick 2.12.2. Can't find Magick-config in /home/vibin/.rvm/gems/ruby-1.9.3-p194/bin:/home/vibin/.rvm/gems/ruby-1.9.3-p194@global/bin:/home/vibin/.rvm/rubies/ruby-1.9.3-p194/bin:/home/vibin/.rvm/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games

*** 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
	--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=/home/vibin/.rvm/rubies/ruby-1.9.3-p194/bin/ruby


Gem files will remain installed in /home/vibin/.rvm/gems/ruby-1.9.3-p194/gems/rmagick-2.12.2 for inspection.
Results logged to /home/vibin/.rvm/gems/ruby-1.9.3-p194/gems/rmagick-2.12.2/ext/RMagick/gem_make.out