I'm having the exact same issue on a fresh install of Sonoma Beta3 with Command Line Tools for Xcode 15Beta3 ...
Tap: apple/apple
Path: /usr/local/Homebrew/Library/Taps/apple/homebrew-apple/Formula/game-porting-toolkit.rb
==> Configuration
HOMEBREW_VERSION: 4.0.28
ORIGIN: https://github.com/Homebrew/brew
HEAD: 2b4cfb033757b63ab0b128d01c58db76480956f9
Last commit: 2 days ago
Core tap JSON: 08 Jul 01:36 UTC
HOMEBREW_PREFIX: /usr/local
HOMEBREW_CASK_OPTS: []
HOMEBREW_MAKE_JOBS: 8
Homebrew Ruby: 2.6.10 => /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/bin/ruby
CPU: octa-core 64-bit westmere
Clang: 15.0.0 build 1500
Git: 2.39.2 => /Library/Developer/CommandLineTools/usr/bin/git
Curl: 8.1.2 => /usr/bin/curl
macOS: 14.0-x86_64
CLT: 15.0.0.0.1.1688363443
Xcode: 15.0 => /Applications/Xcode-beta.app/Contents/Developer
Rosetta 2: true
Any help would be welcome!
Ls-dv
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution