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From: Rich Persaud <persaur@gmail.com>
To: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>,
	"Lars Kurth" <lars.kurth@citrix.com>,
	xen-devel@lists.xenproject.org
Cc: Ian Jackson <ian.jackson@citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Jason Andryuk <jandryuk@gmail.com>, Wei Liu <wl@xen.org>,
	Samuel Thibault <samuel.thibault@ens-lyon.org>
Subject: Re: [Xen-devel] [PATCH v4 13/16] Regenerate autotools files
Date: Tue, 21 Jan 2020 16:28:54 -0500	[thread overview]
Message-ID: <33984318-FCDC-4B2A-843C-A90D663F647D@gmail.com> (raw)
In-Reply-To: <20200121205642.GN1314@mail-itl>

On Jan 21, 2020, at 15:58, Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> wrote:
> 
> On Wed, Jan 15, 2020 at 04:57:29PM -0500, Rich Persaud wrote:
>>>> On Jan 14, 2020, at 21:42, Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> wrote:
>>> Since we have those generated files committed to the repo (why?!),
>>> update them after changing configure.ac.
>> 
>> Is there any reason not to remove the generated configure files?  A developer using generated files on system B would be incorporating configuration assumptions from system A where the configure script was generated.  If we are going to ship configure scripts, do we need to document a "system A" reference distro/environment where all configure scripts from Xen will be generated?
>> 
>> 
>> Other notes:
>> 
>> 1.  Debian autoreconf works in the Xen root directory, but the default OpenEmbedded autoreconf uses Gnu libtoolize and fails because some Xen build subdirectories don't have configure.ac/.in.   
>> 
>> 2.  If OpenEmbedded autoreconf is run only in the tools directory (where it works and generates a new tools configure), then root configure (generated from older configure.ac) will silently ignore the newer tools configure and write config.h _without_ tools-specific config, such as the vchan QMP proxy.
>> 
>> 3. If autoreconf runs successfully in the root directory, then tools-specific configure is correctly generated and everything works as expected.
>> 
>> This silent failure could be avoided by deleting the generated configure scripts.  There may be other failure modes for using System A generated scripts on downstream build system B.
> 
> Yes, I think general good practices are:
> 1. don't keep generated autotools files in version control system
> 2. generate them into release tarballs

A potential topic for the next Xen community call:  can we delete generated autotools files from the Xen tree and update the release process to generate+bundle them with release tarballs?

Rich
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  reply	other threads:[~2020-01-21 21:29 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-15  2:39 [Xen-devel] [PATCH v4 00/16] Add support for qemu-xen runnning in a Linux-based stubdomain Marek Marczykowski-Górecki
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 01/16] Document ioemu MiniOS stubdomain protocol Marek Marczykowski-Górecki
2020-01-20 18:30   ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 02/16] Document ioemu Linux " Marek Marczykowski-Górecki
2020-01-20 18:54   ` Jason Andryuk
2020-01-21 21:08     ` Marek Marczykowski-Górecki
2020-01-22 14:04       ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 03/16] libxl: fix qemu-trad cmdline for no sdl/vnc case Marek Marczykowski-Górecki
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 04/16] libxl: Allow running qemu-xen in stubdomain Marek Marczykowski-Górecki
2020-01-20 18:56   ` Jason Andryuk
2020-01-21 21:12     ` Marek Marczykowski-Górecki
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 05/16] libxl: Handle Linux stubdomain specific QEMU options Marek Marczykowski-Górecki
2020-01-20 19:24   ` Jason Andryuk
2020-01-21 21:18     ` Marek Marczykowski-Górecki
2020-01-22 14:25       ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 06/16] libxl: write qemu arguments into separate xenstore keys Marek Marczykowski-Górecki
2020-01-20 19:36   ` Jason Andryuk
2020-01-21 21:19     ` Marek Marczykowski-Górecki
2020-01-22 14:39       ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 07/16] xl: add stubdomain related options to xl config parser Marek Marczykowski-Górecki
2020-01-20 19:41   ` Jason Andryuk
2020-01-21 21:22     ` Marek Marczykowski-Górecki
2020-01-22 14:39       ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 08/16] tools/libvchan: notify server when client is connected Marek Marczykowski-Górecki
2020-01-20 19:44   ` Jason Andryuk
2020-01-21 21:28     ` Marek Marczykowski-Górecki
2020-01-22 14:43       ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 09/16] libxl: add save/restore support for qemu-xen in stubdomain Marek Marczykowski-Górecki
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 10/16] tools: add missing libxenvchan cflags Marek Marczykowski-Górecki
2020-01-20 19:58   ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 11/16] tools: add simple vchan-socket-proxy Marek Marczykowski-Górecki
2020-01-15 11:02   ` Jan Beulich
2020-01-16 17:11     ` Marek Marczykowski-Górecki
2020-01-17  8:13       ` Jan Beulich
2020-01-17 18:44   ` Rich Persaud
2020-01-17 18:56     ` Marek Marczykowski-Górecki
2020-01-21 19:43   ` Jason Andryuk
2020-01-21 23:09     ` Marek Marczykowski-Górecki
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 12/16] libxl: use vchan for QMP access with Linux stubdomain Marek Marczykowski-Górecki
2020-01-21 20:17   ` Jason Andryuk
2020-01-21 23:46     ` Marek Marczykowski-Górecki
2020-01-24 14:05       ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 13/16] Regenerate autotools files Marek Marczykowski-Górecki
2020-01-15 21:57   ` Rich Persaud
2020-01-21 20:56     ` Marek Marczykowski-Górecki
2020-01-21 21:28       ` Rich Persaud [this message]
2020-01-22  8:57         ` Lars Kurth
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 14/16] libxl: require qemu in dom0 even if stubdomain is in use Marek Marczykowski-Górecki
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 15/16] libxl: ignore emulated IDE disks beyond the first 4 Marek Marczykowski-Górecki
2020-01-21 20:24   ` Jason Andryuk
2020-01-15  2:39 ` [Xen-devel] [PATCH v4 16/16] libxl: consider also qemu in stubdomain in libxl__dm_active check Marek Marczykowski-Górecki
2020-01-21 20:25   ` Jason Andryuk
2020-01-22 16:50 ` [Xen-devel] [PATCH v4 00/16] Add support for qemu-xen runnning in a Linux-based stubdomain Jason Andryuk

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