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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Lluís Vilanova" <vilanova@ac.upc.edu>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] build: Use separate makefile for "trace/"
Date: Fri, 14 Dec 2012 14:50:20 +0100	[thread overview]
Message-ID: <50CB2E9C.4010600@redhat.com> (raw)
In-Reply-To: <87sj784ugp.fsf@fimbulvetr.bsc.es>

Il 14/12/2012 14:46, Lluís Vilanova ha scritto:
>>> The thing I like about automake is that it provides a clear set of vars to
>>> manage the per-dir builds, thanks to using a per-dir $(MAKE); but I'm
>>> not sure how the per-target build would be managed (except by having a
>>> separate configure+make for each of them).
>>> Yes, that would be it.
> 
> I'd certainly love to see something along those lines for the sake of makefile
> simplicity.

QEMU is complex enough that I'm not really sure what Automake would buy.

>> > Even an autoconf conversion probably would have to use separate configure
>> > scripts for the global project and for each target.
> If you're willing to pay for a complete recompilation for each target you can
> just have a single configure file.

That's not the problem.  The problem is that Autoconf does not lend well
to the style of the QEMU build system, with many subparts that are
enabled/disabled at configure time.

> Ah, I know that one in gcc 
> 
>   -Wl,--whole-archive foo.a -Wl,--no-whole-archive

Really in ld (that's what -Wl does) and not very portable...

Paolo

  reply	other threads:[~2012-12-14 14:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-11 21:44 [Qemu-devel] [PATCH] build: Use separate makefile for "trace/" Lluís Vilanova
2012-12-12  8:43 ` Paolo Bonzini
2012-12-12 14:53   ` Lluís Vilanova
2012-12-13  8:44     ` Paolo Bonzini
2012-12-13 14:38       ` Lluís Vilanova
2012-12-14  8:14         ` Paolo Bonzini
2012-12-14 13:46           ` Lluís Vilanova
2012-12-14 13:50             ` Paolo Bonzini [this message]
2012-12-14 15:04               ` Lluís Vilanova
  -- strict thread matches above, loose matches on Subject: below --
2012-12-11 21:49 Lluís Vilanova
2012-12-14 18:34 Lluís Vilanova

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