From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:52078) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QYvpl-0000LB-Ug for qemu-devel@nongnu.org; Tue, 21 Jun 2011 03:57:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QYvpi-0004zz-6R for qemu-devel@nongnu.org; Tue, 21 Jun 2011 03:57:17 -0400 Received: from fmmailgate01.web.de ([217.72.192.221]:37606) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QYvph-0004zO-KQ for qemu-devel@nongnu.org; Tue, 21 Jun 2011 03:57:14 -0400 Message-ID: <4E004ED7.2000105@web.de> Date: Tue, 21 Jun 2011 09:57:11 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <9e6a385a5db82c11b78f87b207fa70136f0c2855.1308637593.git.jan.kiszka@web.de> <56EF9EC1-2FA8-4579-BFDF-8E7C2895185E@suse.de> <4E0046F7.9010805@web.de> <4E0047EC.5090700@web.de> <1C003EB5-5289-4AB1-B6DE-B749E415B236@suse.de> In-Reply-To: <1C003EB5-5289-4AB1-B6DE-B749E415B236@suse.de> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig5A55FD4FC64A82350C659295" Sender: jan.kiszka@web.de Subject: Re: [Qemu-devel] [PATCH 1/4] xen: Clean up build system List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Graf Cc: Anthony PERARD , xen-devel , qemu-devel@nongnu.org, Stefano Stabellini This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig5A55FD4FC64A82350C659295 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 2011-06-21 09:46, Alexander Graf wrote: >=20 > On 21.06.2011, at 09:27, Jan Kiszka wrote: >=20 >> On 2011-06-21 09:26, Alexander Graf wrote: >>> >>> On 21.06.2011, at 09:23, Jan Kiszka wrote: >>> >>>> On 2011-06-21 09:21, Alexander Graf wrote: >>>>> >>>>> On 21.06.2011, at 08:26, Jan Kiszka wrote: >>>>> >>>>>> From: Jan Kiszka >>>>>> >>>>>> Introduce CONFIG_XEN_BACKEND so that this new config solely contro= ls the >>>>>> target-independent backend build and CONFIG_XEN can focus on per-t= arget >>>>>> building. >>>>> >>>>> What's the incentive here? I very much doubt we'll ever want to sup= port xen on !x86. In fact, the better solution would probably be to just = move every build component to x86 specific code. >>>> >>>> I doubt that as well. But keeping the backend centrals prevent build= ing >>>> them twice (for i386 and x86_64). >>> >>> How can we not build them twice without risking that target_ulong bre= aks somewhere along the way? >> >> Because the backends don't depend on that. And we already build them >> only once, your your logs. :) >=20 > So what does the patch change then if it's already only built once? It allows to clean up Makefile.target like I did as CONFIG_XEN is no longer defined for all targets but only for those that actually support X= en. Jan --------------enig5A55FD4FC64A82350C659295 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.15 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org/ iEYEARECAAYFAk4ATtcACgkQitSsb3rl5xSsbgCfZkEljxP1GaRjI2Y+7zo3NE2h K3MAn3jss4Lkl5QbHB82yVRNLLXqnlhW =Yyu3 -----END PGP SIGNATURE----- --------------enig5A55FD4FC64A82350C659295--