Xcode building for iOS Simulator, but linking in an object file built for iOS, for architecture '...

post_install do |installer|
  installer.pods_project.targets.each do |target|
      flutter_additional_ios_build_settings(target)
      target.build_configurations.each do |config|
          config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '10.0'
          config.build_settings['EXCLUDED_ARCHS[sdk=iphonesimulator*]'] = 'i386 arm64'
      end
  end
end