Re: [Qemu-devel] [PATCH 06/47] hw/alpha/Makefile.objs: Build objects depending on CLIPPER

[Richard Henderson]

On 08/26/2013 03:33 PM, Paolo Bonzini wrote:
> Il 26/08/2013 19:30, Richard Henderson ha scritto:
>> This isn't the kernel, where non-pagable code size is a concern, so I don't 
>> see
>> how full configuration of machine emulations and devices is helpful.  I'd be
>> more inclined to go the other way, where all qemu-system-cpu images always
>> build in all devices (compiled once of course).
> 
> This is useful for different usecases.  One is QEMU that is bundled into
> development platform such as the Android emulator.  Making it easier to
> build limited versions of QEMU is one small step towards encouraging
> working in-tree instead of having out-of-tree patches which quickly
> become forks.
> 
> The second is in distros that only want to distribute the subset of
> features that are going to be supported (aka RHEL).  This includes both
> devices (all of PCI, ISA, USB) and boards (-M isapc is removed nowadays,
> perhaps one day goldfish or similar will be available too; for ARM and
> PPC we surely would want to compile out almost all the boards).
> 
> The third is that in the future some of the devices could be compiled as
> modules, too.  This would help the "other" set of distros, those that
> include everything.  QEMU now has an insane set of dependencies, and
> having modules for e.g. SPICE or RBD or Gluster would help making them
> optional.

All reasonable.  Thanks for the rationale.


r~