"Visibility does not match previous declaration" build failure(s) — clang 3.2

PackageVersionSupposed error messageFull log Bug report
mozjs 1.8.5-1.0.0+dfsg-4./jscompartment.h:372:8: error: visibility does not match previous declaration Log 758378
notmuch 0.13.2-1./lib/notmuch-private.h:478:8: error: visibility does not match previous declaration Log
pyxpcom 1:9.0~hg20111212-2../../../xpcom/src/PyXPCOM.h:236:7: error: visibility does not match previous declaration Log

3 errors