Hi., I integrate dicom in my rails application that purpose i install RMagick gem then the following errors are came. C:\Ruby187\bin>gem install RMagick Temporarily enhancing PATH to include DevKit... Building native extensions. This could take a while... ERROR: Error installing RMagick: ERROR: Failed to build gem native extension. C:/Ruby187/bin/ruby.exe extconf.rb checking for Ruby version >= 1.8.5... yes Invalid drive specification. Unable to get ImageMagick version *** 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=C:/Ruby187/bin/ruby Gem files will remain installed in C:/Ruby187/lib/ruby/gems/1.8/gems/rmagick-2.1 3.1 for inspection. Results logged to C:/Ruby187/lib/ruby/gems/1.8/gems/rmagick-2.13.1/ext/RMagick/g em_make.out can any one please suggest me a proper solution. Thank you. -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.