Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /home/peacedefender/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb 
checking for Ruby version >= 1.8.5... yes
extconf.rb:128: Use RbConfig instead of obsolete and deprecated Config.
checking for gcc... yes
checking for Magick-config... yes
checking for ImageMagick version >= 6.4.9... yes
checking for HDRI disabled version of ImageMagick... yes
checking for stdint.h... yes
checking for sys/types.h... yes
checking for wand/MagickWand.h... yes
checking for InitializeMagick() in -lMagickCore... no
checking for InitializeMagick() in -lMagick... no
checking for InitializeMagick() in -lMagick++... no
Can't install RMagick 2.13.1. Can't find the ImageMagick library or one of the dependent libraries. Check the mkmf.log file for more detailed information.

*** 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/peacedefender/.rvm/rubies/ruby-1.9.3-p194/bin/ruby
	--with-MagickCorelib
	--without-MagickCorelib
	--with-Magicklib
	--without-Magicklib
	--with-Magick++lib
	--without-Magick++lib


Gem files will remain installed in /home/peacedefender/.rvm/gems/ruby-1.9.3-p194/gems/rmagick-2.13.1 for inspection.
Results logged to /home/peacedefender/.rvm/gems/ruby-1.9.3-p194/gems/rmagick-2.13.1/ext/RMagick/gem_make.out
An error occured while installing rmagick (2.13.1), and Bundler cannot continue.
Make sure that `gem install rmagick -v '2.13.1'` succeeds before bundling.