On Thu, Nov 08, 2018 at 10:55:21AM +0100, Paolo Bonzini wrote: > On 07/11/2018 20:30, Thomas Huth wrote: > > On 2018-11-07 20:24, Eduardo Habkost wrote: > >> On Wed, Nov 07, 2018 at 06:39:54PM +0100, Paolo Bonzini wrote: > >>> On 07/11/2018 16:41, Samuel Ortiz wrote: > >>>> - The Kconfig parser would be used to generate the equivalent of what we > >>>> currently have under default-configs/ > > > > I think we would still have something like default-configs - but there > > would only be the bare minimum config switches in there, the rest would > > be pulled in by dependencies. > > Yes, in theory default-configs would end up empty, except for possibly > some commented lines to show the "default y" symbols for the target. > > > We could then also even have multiple config directories: > > > > ./configs > > +-------/default-softmmu > > +-------/default-linux-user > > +-------/nemu (or lean-kvm or something similar) > > +... > > > > ... just my 0.02 €, feel free to ignore that idea ;-) > > Yup, one can also think of a configure option like "./configure > --with-device-config=configs/nemu/" to pick up the alternative > configurations. > > >> Also, I would like to eventually replace many ./configure options > >> with options read from a build configuration file. > >> > >> Distributions often have huge ./configure command lines in their > >> QEMU packages, and they could be replaced by simple build > >> configuration files. > >> > >> Having a mode that requires all build options to be specified > >> explicitly (instead of silently picking a default) would be > >> useful for distributions, too. > > > > I think we should maybe not mix host configuration (via ./configure) and > > the target configuration (via kconfig), should we? > > Yeah, the configure command line is a different story. If there are > suggestion on how to improve it, great, but let's not conflate it with > Kconfig.
I believe we have many ./configure options that are supposed to be target configuration. e.g.: --enable-slirp, --eanble-kvm, --enable-xen, etc. -- Eduardo