On 20 Apr 2015, at 17:19, Bruce Evans <b...@optusnet.com.au> wrote: > > Enums should never be used in ABIs, since their size can be anything > large enough.
The rules for the size of enums also differ between C and C++, though clang (and, I think, gcc) support an attribute for specifying the enum type. > They also cause namespace problems. The whole enum declaration must > be exposed in any header that uses an enum type. Both C and C++ permit forward declarations of enums for use in function prototypes and so on, e.g.: enum foo; void bar(enum foo); David _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"