React Native / Xcode Upgrade and now RCTConvert.h not found

Question

App ran fine on React Native 0.35.0. After updating to 0.40.0 via react-native-git-upgrade I get a number of lexical/preprocessor issues when trying to build/ru

Answer 1

This steps helped solve my issue. I tried "Uncheck parallelize build" steps. It did not work for me.

1. Open up your project in XCode.
2. Open up the Libraries folder. You should see React.xcodeproj and several RCT*.xcodeproj.
3. Drag the React.xcodeproj into each of the other projects.
4. Click on each project and navigate to the Build Phases tab.
5. Click on Target Dependencies and add React as a target dependency