title: "LoadError -dlopen..." while pod install in Mac M1
body: <p>I have Mac M1 and am getting following error while using <code>pod install</code> to build flutter project in iOS.
  I have already installed home brew, uninstall/install cocoapods using <code>sudo arch -x86_64 gem install cocoapods</code>, but still error occurs.
  What can I do for solving this probrem..?</p>
  <pre><code>LoadError - dlopen(/Library/Ruby/Gems/2.6.0/gems/ffi-1.15.5/lib/ffi_c.bundle, 0x0009): tried: '/Library/Ruby/Gems/2.6.0/gems/ffi-1.15.5/lib/ffi_c.bundle' (mach-o file, but is an incompatible architecture (have 'x86_64', need 'arm64e')), '/usr/lib/ffi_c.bundle' (no such file) - /Library/Ruby/Gems/2.6.0/gems/ffi-1.15.5/lib/ffi_c.bundle
  /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
  ...
  </code></pre>
  <p>The result of <code>flutter doctor -v</code> has no issues.</p>
  <pre><code>    [✓] Flutter (Channel stable, 2.10.2, on macOS 12.2.1 21D62 darwin-arm, locale ja-JP)
      • Flutter version 2.10.2 at /Users/sae/development/flutter
      • Upstream repository https://github.com/flutter/flutter.git
      • Framework revision 097d3313d8 (12 days ago), 2022-02-18 19:33:08 -0600
      • Engine revision a83ed0e5e3
      • Dart version 2.16.1
      • DevTools version 2.9.2
  
  [✓] Android toolchain - develop for Android devices (Android SDK version 32.1.0-rc1)
      • Android SDK at /Users/sae/Library/Android/sdk
      • Platform android-32, build-tools 32.1.0-rc1
      • Java binary at: /Applications/Android Studio.app/Contents/jre/Contents/Home/bin/java
      • Java version OpenJDK Runtime Environment (build 11.0.11+0-b60-7772763)
      • All Android licenses accepted.
  
  [✓] Xcode - develop for iOS and macOS (Xcode 13.2.1)
      • Xcode at /Applications/Xcode.app/Contents/Developer
      • CocoaPods version 1.11.2
  
  [✓] Chrome - develop for the web
      • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
  
  [✓] Android Studio (version 2021.1)
      • Android Studio at /Applications/Android Studio.app/Contents
      • Flutter plugin can be installed from:
         https://plugins.jetbrains.com/plugin/9212-flutter
      • Dart plugin can be installed from:
         https://plugins.jetbrains.com/plugin/6351-dart
      • Java version OpenJDK Runtime Environment (build 11.0.11+0-b60-7772763)
  
  [✓] Connected device (2 available)
      • iPhone 13 (mobile) • C2EDE2E3-E820-42C2-B0EC-AFC07C401397 • ios            • com.apple.CoreSimulator.SimRuntime.iOS-15-2 (simulator)
      • Chrome (web)       • chrome                               • web-javascript • Google Chrome 98.0.4758.109
  
  [✓] HTTP Host Availability
      • All required HTTP hosts are available
  
  • No issues found!
  </code></pre>
  <p>If you need further information, please write a comment.</p>