Re: Installing ruby with RVM cannot find <CoreFoundation/CFString.h>

Thank you all for your help! I was really having a hard time trying to
figure out how to get the header files. This command solves the problem:

 open /Library/Developer/CommandLineTools/Packages/
macOS_SDK_headers_for_macOS_10.14.pkg

Also as far as conflicting version of ruby, I uninstalled the one with
homebrew by typing "brew uninstall ruby" then proceeded to install ruby
with "rvm install 6.2.0"

On Thu, Apr 11, 2019 at 5:54 AM romanch sharma <[email protected]>
wrote:

> Hello Nicholas Gallimore,
>
> Seams like you installed ruby with HomeBrew. It's not multiple ruby
> version. Its Inheritance. Every time you update there will be old code of
> old ruby version inside it. So Don’t very about it.
>
> Yes you are getting error inside rails because you are not using correct
> ruby with correct rails version.
>
> I am more of a RVM user, So I can suggest to use RVM for managing ruby by
> simple commands:
>
> $ rvm install ruby-2.6.2 --default
> $ rvm gemset create name_of_project
> $ gem gemset use name_of_project
> $ gem install bundler
> $ gem install rails
> $
>
> You can also manage ruby versions form *rvmrc file*
>
> So that you need not to switch ruby version every time, but latest rvm
> switch between automatic hence, you can use ramrc file in a much better way.
>
> *Always install bundler first then rails for version stability.*
>
> I hope your problem get solved by this.
>
> Thank You,
> Romanch Sharma
> Self Taught :)
>
>
> On 10-Apr-2019, at 11:49 PM, Nick Gallimore <[email protected]> wrote:
>
> Apologies for asking an uninteresting question, I am currently trying to
> learn ruby for a senior capstone project by creating a RESTFUL api with it.
> I have been trying to install ruby using rvm for a week now and I have had
> little success. Both rvm and rbenv complain about not being able to find
> CoreFoundation/CFString.h on OSX. I know this is more of a question related
> specifically to my machine, but how can I fix my machine? I have posted on
> Apple forums, stackoverflow 3-4 times, etc., not sure where else to go from
> here.
>
> I am on OSX 10.14.4 with XCode 2.2 installed. More detailed information
> can be viewed in the forum posts linked below.
>
> I have homebrew and I am worried about having two versions of ruby
> conflicting with it.
>
> Here is my post on apple's forums:
>
> https://forums.developer.apple.com/thread/115518
>
> StackOverflow:
>
>
> https://stackoverflow.com/questions/55525660/installing-ruby-2-3-1-on-mojave-osx-with-rbenv-or-rvm
>
>
> https://stackoverflow.com/questions/55618516/installing-ruby-with-rvm-cannot-find-corefoundation-cfstring-h?noredirect=1#comment97930271_55618516
>
> I'm having issues right now with multiple ruby versions being installed
> (the osx one and the homebrew one I think). For example with rails right
> now trying to generate a new model I get:
>
> /usr/local/Cellar/ruby/2.6.2/lib/ruby/2.6.0/bundler/lockfile_parser.rb:108:in
> `warn_for_outdated_bundler_version': *You must use Bundler 2 or greater
> with this lockfile. (**Bundler::LockfileError**)*
>
>
> Yet I have bundler 2.0 installed. Are there any grand master ruby wizards
> out there that can give me some guidance.
>
> Basically I just want to ignore the OSX version of ruby (and leave it
> unchanged), and manage one using rvm where I can change the version based
> on what tutorial I am using (or even just maybe let it stay at the newest
> up to date one).
>
> If I type ruby -v I get 2.6.2
> But if I generate a new project with rails for an api, the gemfile
> automatically goes to 2.3.7 and I have problems.
>
>
> Thank you,
>
> Nicholas Gallimore
>
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