"Not allowed args fails the build" build failure(s) — clang 3.8.1

PackageVersionSupposed error messageFull log Bug report
devil 1.7.8-10error: invalid argument '-std=gnu99' not allowed with 'C++/ObjC++' Log
freemat 4.2+dfsg1-1error: invalid argument '-std=c++11' not allowed with 'C/ObjC' Log
gimagereader 3.1.91-1error: invalid argument '-std=c++11' not allowed with 'C/ObjC' Log
guitarix 0.35.1-1error: invalid argument '-std=c++11' not allowed with 'C/ObjC' Log
irstlm 6.00.05-2error: invalid argument '-std=c++0x' not allowed with 'C/ObjC' Log
nsis 2.51-1error: invalid argument '-fgnu89-inline' not allowed with 'C++/ObjC++' Log
postgresql-hll 2.7-2.1error: invalid argument '-std=c99' not allowed with 'C++/ObjC++' Log
spectools 201108r1-7error: invalid argument '-std=gnu89' not allowed with 'C++/ObjC++' Log 741113

8 errors