Facebook SDK: 'DEBUG' is not defined, evaluates to 0/Could not build module 'FBSDKCoreKit'

[itsmejohndoe]

Checklist before submitting a bug report

• [X] I've updated to the latest released version of the SDK
• [X] I've searched for existing GitHub issues
• [X] I've looked for existing answers on Stack Overflow, the Facebook Developer Community Forum and the Facebook Developers Group
• [X] I've read the Code of Conduct
• [X] This issue is not security related and can safely be disclosed publicly on GitHub

Xcode version

15.2

Facebook iOS SDK version

14.1.0

Dependency Manager

SPM

SDK Framework

Core, Auth, Share

Goals

Update Facebook SDK (Core, Auth, Share) to 14.1.0.

Expected results

Updating the SDK to 14.1.0 works without breaking the build process.

Actual results

After updating the Facebook SDK using SPM multiples errors are thrown and the project became unable to build.

FBSDKApplicationDelegate.h:26:6 'DEBUG' is not defined, evaluates to 0 FBSDKApplicationDelegate.h:31:5 'DEBUG' is not defined, evaluates to 0 FBSDKInternalUtility.h:31:6 'DEBUG' is not defined, evaluates to 0 FBSDKSettings.h:20:6 'DEBUG' is not defined, evaluates to 0 FBSDKShareKit-Swift.h:1156:9 Could not build module 'FBSDKCoreKit'

Steps to reproduce

Install Facebook SDK (Core, Auth, Share) via SPM.