Could not find a library - Rebuild of the Debian archive with clang

"Could not find a library" build failure(s)
clang 3.1

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
gearmand	0.32-2	ld: cannot find -lpthreads	Log
grass	6.4.2-2	ld: cannot find -lgrass_gis.6.4.2	Log
lttv	0.12.38-21032011-1	ld: cannot find -lglpk	Log
ns2	2.35~rc10+dfsg-1	ld: cannot find -lXbsd	Log
ppl	0.11.2-6	ld: cannot find -lncursesw	Log

5 errors

Debian Package rebuild