Xcode build error: include of non-modular header inside framework module #15173
Description
Steps to Reproduce
Create a plugin package as per the documentation using Swift in iOS and build it for ios:
flutter create --template=plugin -i swift hello
cd hello/example
flutter build ios --no-codesign
Logs
...
Failed to build iOS app
Error output from Xcode build:
↳
** BUILD FAILED **
Xcode's output:
↳
=== BUILD TARGET hello OF PROJECT Pods WITH CONFIGURATION Release ===
<module-includes>:1:9: note: in file included from <module-includes>:1:
#import "Headers/hello-umbrella.h"
^
xxx/hello/example/ios/Pods/Target Support Files/hello/hello-umbrella.h:13:9: error: include of non-modular header inside framework module 'hello': 'xxx/hello/ios/Classes/HelloPlugin.h'
#import "HelloPlugin.h"
^
<unknown>:0: error: could not build Objective-C module 'hello'
Recently upgraded to flutter beta. I've created plugin packages before in the alpha channel without problems.
Flutter Doctor
[✓] Flutter (Channel beta, v0.1.5, on Mac OS X 10.13.3 17D102, locale en-NL)
• Flutter version 0.1.5 at /Users/kozw/Source/flutter
• Framework revision 3ea4d06340 (11 days ago), 2018-02-22 11:12:39 -0800
• Engine revision ead227f118
• Dart version 2.0.0-dev.28.0.flutter-0b4f01f759
[✓] Android toolchain - develop for Android devices (Android SDK 27.0.3)
• Android SDK at /Users/kozw/Library/Android/sdk
• Android NDK at /Users/kozw/Library/Android/sdk/ndk-bundle
• Platform android-27, build-tools 27.0.3
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-915-b08)
[✓] iOS toolchain - develop for iOS devices (Xcode 9.2)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 9.2, Build version 9C40b
• ios-deploy 1.9.2
• CocoaPods version 1.4.0
[✓] Android Studio (version 3.0)
• Android Studio at /Applications/Android Studio.app/Contents
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-915-b08)
[✓] VS Code (version 1.20.1)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Dart Code extension version 2.9.2
[✓] Connected devices (1 available)
• iPhone 8 • D5FC98FA-D6B0-41D2-B834-B7FFFEB1B506 • ios • iOS 11.2 (simulator)