Unsupported argument with another option - Rebuild of the Debian archive with clang

"Unsupported argument with another option" build failure(s)
clang 8.0.1

Versions: 2.9 - 3.0 - 3.1 - 3.2 - 3.3 - 3.4 - 3.4.2 - 3.5.0 - 3.6.0 - 3.8.1 - 3.9.1 - 4.0.1 - 5.0 - 6.0 - 8.0.1 - 9.0.1 - 10.0.0 - 11.0.0 - 12.0.1 - 13.0.0

Package	Version	Supposed error message	Full log
autodock-vina	1.1.2-5	clang: error: unsupported option '--lto', did you mean '-flto='?	Log
freecontact	1.0.21-7	clang: error: unsupported option '--help=optimizers'	Log
libffi	3.3-3	clang: error: unsupported option '-print-multi-os-directory'	Log
qemu	1:4.2-3	clang: error: unsupported argument '-32' to option 'Wa,'	Log
stalin	0.11-6	clang: error: unsupported option '-freg-struct-return' for target 'x86_64-pc-linux-gnu'	Log
supermin	5.1.20-2	clang: error: unsupported option '-specs /usr/lib/x86_64-linux-musl/musl-gcc.specs'	Log

6 errors

Debian Package rebuild