ERROR: Local build not working

Notes on local builds:

  • For some reason, the atom jekyll package has been failing to produce a local build (not sure which update / change stopped it from working).
  • Alternatively, you can build from command line: navigate to the publishing source / folder and run bundle exec jekyll serve ERROR: this does not work due to some error in ruby gems: {Could not find eventmachine-1.2.7 in any of the sources

Error in ruby gems (potentially xcdode?)

  • Aim: bundle install to install missing gems.
  • Errors after bundle install

    Fetching source index from …

  • Solution: this is a connectivity issue. It seem IPv6 has to be turned of like so: networksetup -setv6off Wi-Fi
  • To re-set IPv6: networksetup -setv6automatic Wi-Fi
  • download now works but bundle install throws different error:

    An error occurred while installing eventmachine (1.2.7), and Bundler cannot continue.Make sure that gem install eventmachine -v '1.2.7' --source '' succeeds before bundling.

  • when running gem install eventmachine -v '1.2.7' --source '' a long error message appears:

    … checking for -lcrypto… ** 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.

    Provided configuration options: –with-opt-dir –without-opt-dir –with-opt-include … … To see why this extension failed to compile, please check the mkmf.log which can be found here: /Library/Ruby/Gems/2.6.0/extensions/universal-darwin-21/2.6.0/eventmachine-1.2.7/mkmf.log

  • In the log is says: cat /Library/Ruby/Gems/2.6.0/extensions/universal-darwin-21/2.6.0/eventmachine-1.2.7/mkmf.log

    … /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/include/ruby-2.6.0/ruby/ruby.h:24:10: note: did not find header ‘config.h’ in framework ‘ruby’ (loaded from ‘/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks’) ….


  • re-install Xcode (simply through App store; no prio de-install necessary)
  • run bundle install (installs eventmachine, ffi, sassc etc.)