When #pragma GCC visibility push(default) #pragma GCC visibility pop
are used for header file wrappers, we may have more 16 #pragma GCC visibility push(default) Currently gcc will fail. -- Summary: Can't push more than 16 nested visibility Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl at lucon dot org CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20303