Re: builds fail w/undef ref in rump tests

[Taylor R Campbell <riastradh%NetBSD.org@localhost>]

> Date: Sun, 20 Aug 2023 14:11:02 +0200
> From: Martin Husemann <martin%duskware.de@localhost>
> 
> On Sun, Aug 20, 2023 at 12:08:01PM +0000, Taylor R Campbell wrote:
> > > /r0/build/current/tools/amd64/bin/mips64el--netbsd-gcc    --sysroot=/r0/build/current/DEST/evbmips64-el -Wl,--warn-shared-textrel   -pie  -shared-libgcc      -o t_workqueue  t_workqueue.o  -Wl,-rpath-link,/r0/build/current/DEST/evbmips64-el/lib  -L=/lib  -lrumpvfs -lrumpvfs_nofifofs -lrump -lrumpuser -lpthread -lrump -L/r0/build/current/obj/mips64el/tests/rump/kernspace -lkernspace    -latf-c
> > > /r0/build/current/tools/amd64/lib/gcc/mips64el--netbsd/10.5.0/../../../../mips64el--netbsd/bin/ld: t_workqueue.o: in function `atfu_workqueue_wait_pause_body':
> > > /x/current/src/tests/rump/rumpkern/t_workqueue.c:96: undefined reference to `rumptest_workqueue_wait_pause'
> 
> Is this with an update build? I think I had to clean some test obj dirs after
> the latest changes to workqueue (and probably forgot to note it in UPDATING)

I changed tests/rump/rumpkern/Makefile to use PROGDPLIBS so that
t_workqueue should get relinked correctly even in an update build, in
order to avoid needing a note in UPDATING.  Curious to understand how
this could happen?  Surely we should be able to get this working
without manual intervention.