ERROR: Error installing ffi: ERROR: Failed to build gem native extension

Question

Got the DevKit installed and re-ran the ffi install….got this as an output:

C:\\Documents and Settings\\******>gem install ffi
Temporarily enhancing PATH          


        

Answer 1

I got the same problem. In my case, I have not install the DevKit, which can be found: http://rubyinstaller.org/downloads/. After installing DevKit, just follow the instruction https://github.com/oneclick/rubyinstaller/wiki/development-kit and finally it's up and running.