On Mon, Feb 03, 2020 at 02:50:07PM +0000, Peter Maydell wrote: > On Mon, 3 Feb 2020 at 14:30, Thomas Huth <th...@redhat.com> wrote: > > > > On 03/02/2020 15.04, Peter Maydell wrote: > > > On Mon, 3 Feb 2020 at 12:38, Thomas Huth <th...@redhat.com> wrote: > > >> > > >> Hi Peter, > > >> > > >> the following changes since commit > > >> 28db64fce555a03b4ca256d5b6f4290abdfbd9e8: > > >> > > >> Merge remote-tracking branch > > >> 'remotes/stefanha/tags/tracing-pull-request' into staging (2020-01-31 > > >> 17:37:00 +0000) > > >> > > >> are available in the Git repository at: > > >> > > >> https://gitlab.com/huth/qemu.git tags/pull-request-2020-02-03 > > >> > > >> for you to fetch changes up to 585c138628bbf22ea8e740b2f4f1a3ed0274ebe8: > > >> > > >> trivial: Remove xenfb_enabled from sysemu.h (2020-02-03 10:33:57 +0100) > > >> > > >> ---------------------------------------------------------------- > > >> * Current qtests queue > > >> * Some Kconfig updates > > >> * Some trivial clean-ups here and there > > >> ---------------------------------------------------------------- > > > > > > All the incremental rebuilds failed: > > > > > > Linux cam-vm-266 4.15.0-70-generic x86_64 > > > From git://git-us.linaro.org/people/pmaydell/qemu-arm > > > f31160c7d1..f9e931a1d9 staging -> pmaydell/staging > > > make: Entering directory '/home/petmay01/qemu-for-merges/build/w64' > > > make[1]: Entering directory '/home/petmay01/qemu-for-merges/slirp' > > > make[1]: Nothing to be done for 'all'. > > > make[1]: Leaving directory '/home/petmay01/qemu-for-merges/slirp' > > > CC qga/main.o > > > CC stubs/machine-init-done.o > > > CC stubs/replay-user.o > > > CC stubs/semihost.o > > > CC qemu-img.o > > > CC qemu-io.o > > > CC chardev/char.o > > > make: *** No rule to make target > > > '/home/petmay01/qemu-for-merges/hw/bt/Kconfig', needed by > > > 'aarch64-softmmu/config-devices.mak'. Stop. > > > make: *** Waiting for unfinished jobs.... > > > CC chardev/char-mux.o > > > make: Leaving directory '/home/petmay01/qemu-for-merges/build/w64' > > > > Oh, they are still failing??? Why are there still references to > > hw/bt/Kconfig in these config-devices.mak files, I'd expect that they > > would have been regenerated at least once during the past week? > > build/all/aarch64-softmmu/config-devices.mak.d was most recently > touched this morning, and it still includes hw/bt/Kconfig in its > dependency list. I think this is because minikconf will still put > a Kconfig file into the .d file it generates even if the Kconfig > file happens to be empty. > > And make doesn't have any rules that tell it that config-devices.mak.d > need to be updated either: > $ make -C build/all -n aarch64-softmmu/config-devices.mak.d > make: Entering directory '/home/petmay01/linaro/qemu-for-merges/build/all' > make[1]: Entering directory '/home/petmay01/linaro/qemu-for-merges/slirp' > make[1]: Nothing to be done for 'all'. > make[1]: Leaving directory '/home/petmay01/linaro/qemu-for-merges/slirp' > make: Nothing to be done for 'aarch64-softmmu/config-devices.mak.d'. > make: Leaving directory '/home/petmay01/linaro/qemu-for-merges/build/all' > > or that it needs to rerun minikconf, which would update the .mak.d. > > An extremely cheesy workaround would be if the commit which > removes the hw/bt/Kconfig also touches configure; then Make > will know it needs to rerun configure, which will (among > other things) blow away all the config-devices.mak.d and > force rerunning of minikconf. > > I don't know what the correct additional makefile magic > would be that would cause us to automatically get deletion > of a Kconfig file right; maybe Paolo does?
I guess this would need some munging of config-host.mak rule in the Makefile. config-host.mak would need to depend on something which scan for references to deleted Kconfig files, and then forces a re-run of config.status in some manner. Don't know how we'd write such a beast off hand though. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|