ruby - Rails JSON Error -


well download ruby version 1.9.2-p290 , install in directory. copied sqlite-shell-win32-x86-3070603 , sqlite-dll-win32-x86-3070603 files ruby192/bin directory. when run command gem install rails in command prompt, gives me error i.e.

error installing rails: 'json' native gem requires installed build tools. please update path include build tools or download devkit http://rubyinstaller.org/downloads

i add bin directory path in path environment variables got same error. can 1 me doing wrong?


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