This can be related you your Mac's XCode issue. The main cause which I can remind, may be you end up having more than one XCode versions or your system is messed up. Re-installing you XCode should resolve your problem
On Tuesday, 5 February 2013 13:07:23 UTC+5:30, Ruby-Forum.com User wrote: > > Hi guys > > I'm a Rails virgin. I'm pulling my hair out with the install. > > So far, I've checked that I've got Ruby & Gems, see below; > > Pauls-iMac:~ pauldoran$ ruby --version > ruby 1.8.7 (2012-02-08 patchlevel 358) [universal-darwin12.0] > > Pauls-iMac:~ pauldoran$ gem --version > 1.3.6 > > I'm trying to install Rails as follows; > > Pauls-iMac:~ pauldoran$ sudo gem install rails > > But get the following error message; > > ERROR: Error installing rails: > ERROR: Failed to build gem native extension. > > /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby > extconf.rb > mkmf.rb can't find header files for ruby at > /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h > > > Gem files will remain installed in > /Library/Ruby/Gems/1.8/gems/json-1.7.6 for inspection. > Results logged to > /Library/Ruby/Gems/1.8/gems/json-1.7.6/ext/json/ext/generator/gem_make.out > > I've read the forum for similar errors but non of the fixes seem to > work. > > Any help would be so appreciated. > > -- > 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 unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/hvz2e4HM5j8J. For more options, visit https://groups.google.com/groups/opt_out.
