Cannot use -o use multiple output - Rebuild of the Debian archive with clang

"Cannot use -o use multiple output" build failure(s)
clang 9.0.1

This command is failing under clang (with a wrong error message) while it is working with gcc.

clang main.c plop3.h -o main

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
compiz-boxmenu	1.1.12-1	: error: cannot specify -o when generating multiple output files	Log
crda	3.18-1	clang: error: cannot specify -o when generating multiple output files	Log
dascrubber	1.1-1	: error: cannot specify -o when generating multiple output files	Log
dazzdb	1.0+git20200115.d8adde7-2	: error: cannot specify -o when generating multiple output files	Log
genometester	4.0+git20180508.a9c14a6+dfsg-1	clang: error: cannot specify -o when generating multiple output files	Log
langford	0.0.20130228-6	clang: error: cannot specify -o when generating multiple output files	Log
libssw	1.1-9	clang: error: cannot specify -o when generating multiple output files	Log
mdm	0.1.3-2.1	clang: error: cannot specify -o when generating multiple output files	Log
netplan.io	0.98-2	clang: error: cannot specify -o when generating multiple output files	Log
princeprocessor	0.22-1	clang: error: cannot specify -o when generating multiple output files	Log
tennix	1.1-3.1	clang: error: cannot specify -o when generating multiple output files	Log

11 errors

Debian Package rebuild