Issue installing cocoapods for Flutter on MacOS

Question

Initially, I tried to install Ruby instead of using the on already on MacOS and installed cocoapods using gem install cocoapods however this wouldn't work and was giving the error:

ERROR:  While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /Library/Ruby/Gems/2.6.0 directory.

And also tried sudo gem install -n /usr/local/bin cocoapods which gave the error:

Building native extensions. This could take a while...
ERROR:  Error installing cocoapods:
    ERROR: Failed to build gem native extension.

    current directory: /Library/Ruby/Gems/2.6.0/gems/ffi-1.14.2/ext/ffi_c
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/bin/ruby -I /Library/Ruby/Site/2.6.0 -r ./siteconf60240306-20262-1w4q438.rb extconf.rb
checking for ffi.h... *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options.
/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/mkmf.rb:467:in `try_do': The compiler failed to generate an executable file. (RuntimeError)

For Ruby I am using version: ruby 2.6.3p62 (2019-04-16 revision 67580) [universal.x86_64-darwin19] And when I tried to update the system using sudo gem update --system , it says "Latest version already installed. Done."

Then I downloaded Homebrew and tried to install cocoapods but again I got an error

Error: The `brew link` step did not complete successfully
The formula built, but is not symlinked into /usr/local
Could not symlink bin/xcodeproj
Target /usr/local/bin/xcodeproj
already exists. You may want to remove it:
  rm '/usr/local/bin/xcodeproj'

To force the link and overwrite all conflicting files:
  brew link --overwrite cocoapods

To list all files that would be deleted:
  brew link --overwrite --dry-run cocoapods

Possible conflicting files are:
/usr/local/bin/xcodeproj

Then after following advice on another stackoverflow answer, I used brew link --overwrite cocoapods . However, now there is a problem with XCode and the iPhone device simulator won't connect - is showing no device.

I am getting this error during build time:

Showing Recent Messages
/Users/Developer/honours/ios/Flutter/Debug.xcconfig:1: could not find included file 'Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig' in search paths

I am not too sure how to fix this and would really appreciate any help!

Answer 1

Solved my issue by using this website , step 4 was incredibly helpful! Then I resolved the issue I had with Xcode not being able to find the xcconfig file by using flutter build ios from this answer . By running flutter build, it told me what the issue was and how I could fix it - I needed to change the default signing identifier.