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Re: [Qemu-devel] hw/Makefile.objs question

From: Alexey Kardashevskiy
Subject: Re: [Qemu-devel] hw/Makefile.objs question
Date: Thu, 21 Jun 2012 21:21:13 +1000
User-agent: Mozilla/5.0 (X11; Linux i686; rv:12.0) Gecko/20120428 Thunderbird/12.0.1

On 21/06/12 20:36, Andreas Färber wrote:
> Am 21.06.2012 05:22, schrieb Alexey Kardashevskiy:
>> I am trying to compile the very last qemu with vfio_pci enabled. VFIO_PCI is 
>> added as below:
>> ./configure:
>>  case "$target_arch2" in
>>   i386|x86_64|ppc64)
>>      if test "$vfio_pci" = "yes" -a "$target_softmmu" = "yes" ; then
>>        echo "CONFIG_VFIO_PCI=y" >> $config_target_mak
>>      fi
>>  esac
>> ./Makefile.target:
>>  # VFIO PCI device assignment
>> obj-$(CONFIG_VFIO_PCI) += vfio_pci.o
>> And it worked before. However it does not anymore as it seems that 
>> everything in hw/ (and vfio_pci.c
>> as well as is in hw/ and it is a device) can be only compiled via 
>> hw/Makefile.objs and
>> hw/ppc/Makefile.objs (my platform is POWER), it is ignored if to keep it as 
>> is.
>> So I have to move "obj-$(CONFIG_VFIO_PCI) += vfio_pci.o" to hw/Makefile.objs 
>> (and change obj- to
>> hw-obj-) but the hw/Makefile.objs does not include (directly or indirectly) 
>> generated
>> ppc64-softmmu/config-target.mak with CONFIG_VFIO_PCI=y.
>> What is the correct solution?
> If the file compiles the same for all three, put CONFIG_VFIO_PCI=y into
> default-configs/{i386,x86_64,ppc64}-softmmu.mak and do
> hw-obj-$(CONFIG_VFIO_PCI) += in hw/Makefile.objs.

It only compiles with ./configure --enable-vfio-pci which may or may not set 
Your proposal makes it always "y" (for selected platforms).

> Otherwise, add to hw/{i386,ppc}/Makefile.objs - or with Anthony's
> proposal from yesterday hw/Makefile.objs becomes possible, too.

Again, it will be unconditional "y".


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