Upgrading Firebase/Crashlytics past 6.31 causes error: 'FirebaseCore/FirebaseCore.h' file not found with <angled> include; use "quotes" instead

[aaronbrethorst]

[REQUIRED] Step 1: Describe your environment

• Xcode version: 11.7 or 12.0 (repros on both)
• Firebase SDK version: 6.32.2 (Firebase/Crashlytics (6.32.2))
• Firebase Component: Core
• Component version: 6.10.2
• Installation method: CocoaPods

[REQUIRED] Step 2: Describe the problem

Building my Swift/Objective-C mixed app with the latest version of 'Firebase/Crashlytics' results in the error:

'FirebaseCore/FirebaseCore.h' file not found with <angled> include; use "quotes" instead

However, resetting my Podfile to include:

pod 'Firebase/Crashlytics', '=6.31.0'

fixes the error. I have a hunch that the problem stems from #6367

Steps to reproduce:

In my case, the problem is reproducible when I upgrade pod 'Firebase/Crashlytics' past 6.31.0.

Relevant Code:

See above. If a full sample project is necessary to repro, please let me know and I'll do what I can to provide one.

[ryanwilson]

Hi @aaronbrethorst - sorry for the troubles you're seeing.

I'm unable to reproduce this with the quickstarts, and I'd be surprised if this wasn't an issue with the state of Xcode or the project. Although that line did change recently, prior to version 6.28 we've had Firebase.h import FirebaseCore like that for years with no issues. We only modified it in June (#5884) for Swift Package Manager support before we fixed the file structure to allow SwiftPM to use angled brackets for includes instead of quotes, but CocoaPods should have always been using the angled bracket imports.

It may be helpful to run through deleting derived data, potentially even running pod deintegrate and then pod install as well to try to clear out any CocoaPods state. If the issue still persists, a sample project or repro in the quickstart would be necessary for us to make further progress.

Thanks!

[paulb777]

This problem might be addressed with CocoaPods 1.10

[aaronbrethorst]

@ryanwilson Thanks for the recommendations. I'd tried cleaning derived data, deintegrateing and installing before opening this issue. I'm going to stick with 6.31.0 for the time being as it is working for me, and I need to ship products. I'll revisit this in the future if it doesn't simply work itself out through tooling changes in the future. Thanks!