So when I try running bundle install --without production
it tells me that I am getting an error and that I need to Make sure that gem install unf_ext -v
This error can come across due to various reasons, so it's not easy to tell what might have really caused, preventing you from bundle install, so try the following fixes, if not worked please give more details on errors that appears :) If the error was because of missing gmkdir, then run the following command:
brew install coreutils
If the error was due to missing C++ headers related then run the bellow command:
yum install gcc-c++
Also have a look at the developer's home page given below to check you meet all dependencies required:
unf_ext 0.0.7.2 : Unicode Normalization Form support library for CRuby