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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] Re: [COMMIT e20a8df] Compile fdc,
	escc and SCSI controllers only once
Date: Thu, 21 May 2009 23:32:19 +0100
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To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>, Jan Kiszka <jan.kiszka@web.de>


> >  This breaks archs that do not come with DMA_* implementations. At least
> >  ARM no longer links.
> >
> >   LINK  arm-softmmu/qemu-system-arm
> >  ../libhw64/libqemuhw64.a(fdc.o): In function `fdctrl_stop_transfer':
> >  /data/qemu/hw/fdc.c:1086: undefined reference to `DMA_release_DREQ'
> >  [...]
>
> Yes, I forgot about the whole-archive hack. I've disabled it for
> hwlib, so now arm-softmmu links.

This is completely wrong. The reason we use whole-archive is so that device 
constructors are run. Most machines are broken after your change.

Paul