<h2 dir="auto">Steps to Reproduce</h2>
<p dir="auto">Trying to compile Flutter application which uses FlutterViewController for iPhone5 (ARM 32 bit)</p>
<h2 dir="auto">Logs</h2>
<p dir="auto">Run your application with <code class="notranslate">flutter run</code> and attach all the log output.</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="pawelurban@MacBook-Pro-4 ~/w/Flutter-Demo&gt; ../flutter/bin/flutter run  
Launching lib/main.dart on iPhone (Test) in debug mode...
2017-02-07 13:31:00.989 ios-deploy[84260:11111874] [ !! ] Error 0xe8000087: This application does not support this device's CPU type. AMDeviceSecureInstallApplication(0, device, url, options, install_callback, 0)
Could not install build/ios/Release-iphoneos/Runner.app on 116fe6f14b81cb490ebab9c2f150d45810a740ed.
Try launching Xcode and selecting &quot;Product &gt; Run&quot; to fix the problem:
  open ios/Runner.xcodeproj

Error launching application on iPhone (Test)."><pre class="notranslate"><code class="notranslate">pawelurban@MacBook-Pro-4 ~/w/Flutter-Demo&gt; ../flutter/bin/flutter run  
Launching lib/main.dart on iPhone (Test) in debug mode...
2017-02-07 13:31:00.989 ios-deploy[84260:11111874] [ !! ] Error 0xe8000087: This application does not support this device's CPU type. AMDeviceSecureInstallApplication(0, device, url, options, install_callback, 0)
Could not install build/ios/Release-iphoneos/Runner.app on 116fe6f14b81cb490ebab9c2f150d45810a740ed.
Try launching Xcode and selecting "Product &gt; Run" to fix the problem:
  open ios/Runner.xcodeproj

Error launching application on iPhone (Test).
</code></pre></div>
<h2 dir="auto">Flutter Doctor</h2>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="pawelurban@MacBook-Pro-4 ~/w/Flutter-Demo&gt; ../flutter/bin/flutter doctor
[✓] Flutter (on Mac OS, channel master)
    • Flutter at /Users/pawelurban/workspace/flutter
    • Framework revision 06f879b57e (6 hours ago), 2017-02-06 22:15:36
    • Engine revision cbf49d0652
    • Tools Dart version 1.22.0-dev.10.3

[✓] Android toolchain - develop for Android devices (Android SDK 25.0.2)
    • Android SDK at /Users/pawelurban/Library/Android/sdk
    • Platform android-25, build-tools 25.0.2
    • Java(TM) SE Runtime Environment (build 1.8.0_77-b03)

[✓] iOS toolchain - develop for iOS devices (Xcode 8.2.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 8.2.1, Build version 8C1002
    • ios-deploy 1.9.0

[✓] IntelliJ IDEA Community Edition (version 2016.3.4)
    • Dart plugin version 163.13137
    • Flutter plugin version 0.1.9.1

[✓] Connected devices
    • iPhone (Test) • 116fe6f14b81cb490ebab9c2f150d45810a740ed • ios • iOS 10.0.2 (14A456)"><pre class="notranslate"><code class="notranslate">pawelurban@MacBook-Pro-4 ~/w/Flutter-Demo&gt; ../flutter/bin/flutter doctor
[✓] Flutter (on Mac OS, channel master)
    • Flutter at /Users/pawelurban/workspace/flutter
    • Framework revision 06f879b57e (6 hours ago), 2017-02-06 22:15:36
    • Engine revision cbf49d0652
    • Tools Dart version 1.22.0-dev.10.3

[✓] Android toolchain - develop for Android devices (Android SDK 25.0.2)
    • Android SDK at /Users/pawelurban/Library/Android/sdk
    • Platform android-25, build-tools 25.0.2
    • Java(TM) SE Runtime Environment (build 1.8.0_77-b03)

[✓] iOS toolchain - develop for iOS devices (Xcode 8.2.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 8.2.1, Build version 8C1002
    • ios-deploy 1.9.0

[✓] IntelliJ IDEA Community Edition (version 2016.3.4)
    • Dart plugin version 163.13137
    • Flutter plugin version 0.1.9.1

[✓] Connected devices
    • iPhone (Test) • 116fe6f14b81cb490ebab9c2f150d45810a740ed • ios • iOS 10.0.2 (14A456)
</code></pre></div>
<p dir="auto"><a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/chinmaygarde/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/chinmaygarde">@chinmaygarde</a>  says this should be very straightforward and is just about teaching our Mac bot to build the ARM32-bit variants of our engine, uploading them to the right place, and teaching our XCode project template to use them.</p>
<p dir="auto">EDIT: Turns out it was not straight forward.  Work is actively underway, <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/cbracken/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/cbracken">@cbracken</a> is driving the effort.</p>