Linker option unused - Rebuild of the Debian archive with clang

"Linker option unused" build failure(s)
clang 3.5.0

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
efivar	0.10-5	clang: error: -Wl,-z,relro: 'linker' input unused	Log
frozen-bubble	2.212-4	clang: error: -lglib-2.0: 'linker' input unused	Log
ganeti	2.11.5-1	clang: error: -Wl,--hash-size=31: 'linker' input unused	Log
libphone-utils	0.1+git20110523-2.1	clang: error: -lm: 'linker' input unused	Log
mstflint	3.7.0-1	clang: error: ../tools_layouts: 'linker' input unused	Log
rdup	1.1.11-1.1	clang: error: -Wl,-z,defs: 'linker' input unused	Log

6 errors

Debian Package rebuild