"Linker option unused" build failure(s) — clang 10.0.0

PackageVersionSupposed error messageFull log Bug report
ayatana-indicator-messages 0.6.1-1clang: error: -Wl,-Bsymbolic-functions: 'linker' input unused [-Werror,-Wunused-command-line-argument] Log
blktrace 1.2.0-5clang: error: -Wl,-z,deb-canary-3f647cadf56541fb9513cb63ec370187: 'linker' input unused [-Werror,-Wunused-command-line-argument] Log
elpa 2016.05.001-6clang: error: src/mod_precision.f90: 'compiler' input unused in cpp mode [-Werror,-Wunused-command-line-argument] Log
frozen-bubble 2.212-9clang: error: -lglib-2.0: 'linker' input unused [-Werror,-Wunused-command-line-argument] Log
libkiwix 3.1.1-1clang: error: -Wl,--start-group: 'linker' input unused [-Werror,-Wunused-command-line-argument] Log
netplan.io 0.99-1clang: error: -Wl,-z,relro: 'linker' input unused [-Werror,-Wunused-command-line-argument] Log

6 errors