How to Fix: Swift compiler error: "non-modular header inside framework module"
Migrating an ObjC framework to Swift with a non-modular header inside framework module error.
📋 Table of Contents
The 'non-modular header inside framework module' error in Swift occurs when a non-modular header file is included within a framework module. This issue arises from the fact that frameworks are designed to be modular, and non-modular headers can disrupt this modularity.
🛠️ Step-by-Step Verified Fixes
Method 1: Modularize the Header File
- Step 1: Move the protocol definition to a separate Swift file.
Method 2: Update Framework Module Configuration
- Step 1: Open the framework's `Package.swift` file and update the `frameworks` section to include a modular header.
Method 3: Use a Bridging Header
- Step 1: Create a bridging header file that imports the non-modular header.
✨ Wrapping Up
To resolve the 'non-modular header inside framework module' error, you can either modularize the header file, update the framework module configuration, or use a bridging header. By following these steps, you should be able to successfully migrate your ObjC framework to Swift.
❓ Frequently Asked Questions
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