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Date: Mon, 09 Sep 2013 12:41:50 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [RFC PATCH v2 1/6] make.rule: fix $(obj) to a real
 relative path
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Cc: peter.maydell@linaro.org, mjt@tls.msk.ru, qemu-devel@nongnu.org, stefanha@redhat.com, rth@twiddle.net

Il 09/09/2013 03:34, Fam Zheng ha scritto:
> On Fri, 09/06 20:19, Llu=EDs Vilanova wrote:
>> Fam Zheng writes:
>> [...]
>>> Because $(obj) here is './block', instead of '../block'. This doesn't
>>> hurt compiling because we basically build all .o from top Makefile,
>>> before entering Makefile.target, but it will affact arriving per-obje=
ct
>>> libs support.
>>
>> I'm curious. What's the reason to not use recursive make in QEMU?
>>
> I don't know the answer, Paolo?

It predates my involvement by a long time, so I don't know.

But my guess is that whenever directories are not present in the build
tree (e.g. i386-softmmu/hw) we have to create the Makefile in the
configure script.  Thus a heavily declarative Makefile style works better.

Paolo