http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50745
--- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-10-16 14:35:18 UTC --- Seriously, wait a second: what happen if at configure time one simply passes --disable-visibility? Doesn't that disable completely the namespace decorations? That seems a sane thing.
