error.log

[ec2-user@ip-10-29-27-56 contacts]$ gem install rmagick -v '2.13.2'
Fetching: rmagick-2.13.2.gem (100%)
Building native extensions.  This could take a while...
ERROR:  Error installing rmagick:
        ERROR: Failed to build gem native extension.

        /usr/local/rvm/rubies/ruby-1.9.3-p448/bin/ruby extconf.rb
checking for Ruby version >= 1.8.5... yes
checking for gcc... yes
checking for Magick-config... no
Can't install RMagick 2.13.2. Can't find Magick-config in /usr/local/rvm/gems/ruby-1.9.3-p448/bin:/usr/local/rvm/gems/ruby-1.9.3-p448@global/bin:/usr/local/rvm/rubies/ruby-1.9.3-p448/bin:/usr/local/rvm/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin:/opt/aws/bin:/home/ec2-user/bin

*** 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/local/rvm/rubies/ruby-1.9.3-p448/bin/ruby


Gem files will remain installed in /usr/local/rvm/gems/ruby-1.9.3-p448/gems/rmagick-2.13.2 for inspection.
Results logged to /usr/local/rvm/gems/ruby-1.9.3-p448/gems/rmagick-2.13.2/ext/RMagick/gem_make.out