On Mon, Nov 23, 2015 at 11:22:55AM -0800, Bryan Drewery wrote: > On 11/23/2015 9:58 AM, Ed Maste wrote: > > On 23 November 2015 at 08:33, Konstantin Belousov <kostik...@gmail.com> > > wrote: > >> > >> The revision 291171 changed layout of the dereferenced structure > >> sysentvec. Was your kernel build clean, or did you used -DNO_CLEAN or > >> similar option ? If yes, remove the kernel build directory and start > >> from scratch. > > > > Every time removing the build directory and starting from scratch > > fixes an issue like this it's demonstrated a bug in our build's > > dependency tracking. Starting over is a fine workaround to make > > progress, but I'd also like to try to extract sufficient detail when > > this happens so that we can fix these cases. > > My guess is that some files are missing proper dependencies on sysent.h. Probably yes.
> > For example these 2 would not rebuild. I think any consumers of these > headers which dereferenced the struct pointers would need to include > sys/sysent.h, but that this still may lead to a broken situation somewhere. > > sys/sys/imgact.h:struct sysentvec; > sys/sys/ktrace.h:struct sysentvec; > Why would headers need a rebuild, what does it mean for header anyway ? Indeed, any code which dereferences the structure or otherwise depends on its layout, have to include sys/sysent.h to get the full definition, otherwise compiler cannot generate code. In other words, the problem cannot be in the source, it is somewhere in the build system. _______________________________________________ firstname.lastname@example.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"