From: "Venkata C." Date: 2012-05-23T22:17:32+09:00 Subject: Could'nt install cucumber-rails gem I am trying to install a gem 'cucumber-rails' version 1.2.1 on a Windows 7 Machine with Ruby version 1.9.3. Even after multiple tries I could not install. This is the error which I see when ever I tried. I have DevKit working with updated cinfig.yml. Any help is greatly appreciated. Thanks in advance. C:\Users\venkatac>gem install cucumber-rails -v '1.2.1' Temporarily enhancing PATH to include DevKit... Building native extensions. This could take a while... The system cannot find the path specified. ERROR: Error installing cucumber-rails: ERROR: Failed to build gem native extension. C:/Ruby193/bin/ruby.exe extconf.rb checking for ffi.h... no checking for ffi.h in /usr/local/include... no checking for rb_thread_blocking_region()... yes checking for ruby_native_thread_p()... yes checking for rb_thread_call_with_gvl()... yes creating extconf.h creating Makefile Gem files will remain installed in C:/Ruby193/lib/ruby/gems/1.9.1/gems/ffi-1.0.11 for inspection. Results logged to C:/Ruby193/lib/ruby/gems/1.9.1/gems/ffi-1.0.11/ext/ffi_c/gem_make.out Attachments: http://www.ruby-forum.com/attachment/7428/GemError.png -- Posted via http://www.ruby-forum.com/.