Clang 6 Issue

[KitchM]

Build Log
What is the build error?Package clang-6.0 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

Put the build log here!

System Information
What system are you building with? Debian 11 Bullseye

Software	Version
Clang	X.Y.Z
CMake	X.Y.Z
Linux Kernel	X.Y.Z
Darling	Git Commit Hash