From: Alec Taylor <alec.taylor6@...>
Date: 2012-09-28T17:22:55+09:00
Subject: Unable to install RMagick on Windows 8 x64

D:\>C:\usr\bin\Ruby193\devkitvars.bat
Adding the DevKit to PATH...

D:\>gem install rmagick --platform=ruby --
--with-opt-lib=C:/Progra~1/ImageMagick-6.7.9-Q16/lib
--with-opt-include=C:/Progra~1/ImageMagick-6.7.9-Q16/include
Building native extensions.  This could take a while...
Cont.: http://pastebin.com/HMQvrvMB

mkmf.log: http://pastebin.com/bSt8ssPq