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Thu, 20 Aug 2020 16:05:37 +0000 (UTC) Date: Thu, 20 Aug 2020 17:05:34 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Peter Maydell Subject: Re: deprecation of in-tree builds Message-ID: <20200820160534.GN109518@redhat.com> References: <20200323133244.GK261260@stefanha-x1.localdomain> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.14.5 (2020-06-23) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Received-SPF: pass client-ip=205.139.110.120; envelope-from=berrange@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/20 03:03:32 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: Kevin Wolf , Stefan Hajnoczi , QEMU Developers , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Aug 18, 2020 at 08:14:33PM +0100, Peter Maydell wrote: > On Mon, 23 Mar 2020 at 13:32, Stefan Hajnoczi wrote: > > On Sat, Mar 21, 2020 at 11:50:23PM +0100, BALATON Zoltan wrote: > > > This was discussed before. I think instead of annoying people with a > > > warning, rather configure should be changed to create a build dir if run > > > from source and have a Makefile in top dir that runs make -C builddir so > > > people don't have to care about this or change their ways and can continue > > > to run configure && make from source dir but you don't have to support > > > in-tree build. Then you can deprecate in-tree builds but supporting only > > > out-of-tree without this convenience would not just unnecessarily annoy > > > those who prefer working in a single tree but people (and apparently some > > > tools) expect sources to build with usual configure; make; make install so > > > that should be the minimum to support. > > > > Yes, please! I use in-tree builds and find it tedious to cd into a > > build dir manually. > > > > Also, many build scripts (packaging, etc) we'll break if we simply > > remove in-tree builds. I think make && make install should continue to > > work. > > Paolo's conversion-to-Meson patchseries is about to land, so now > is the time for people who would like this "automatically create > a build directory and use it" behaviour to write the necessary > patches. Any volunteers ? I'll try to come up with some GNUmakefile that isn't entirely awful as a starting point to at least get ./configure make make test to work, leaving symlinks to the biult ELF binaries in $PWD. We can then iterate on it if desired. > My current plan is to land the Meson series first, because it is > really painful for Paolo to try to keep rebasing it as other > changes to the old build system occur. This would break > in-tree builds temporarily until the "automatic creation and > use of a builddir" patches go in on top of it. > > thanks > -- PMM > Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|