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([2001:b07:6468:f312:1cc0:4e4e:f1a9:1745]) by smtp.gmail.com with ESMTPSA id 69sm4573633wmb.8.2020.08.21.03.15.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 21 Aug 2020 03:15:51 -0700 (PDT) Subject: Re: [PATCH v2] configure: add support for pseudo-"in source tree" builds To: Kevin Wolf , Eric Blake References: <20200820173124.243984-1-berrange@redhat.com> <814594a0-391c-01fb-a418-234e477793d3@redhat.com> <20200821100426.GB5153@linux.fritz.box> From: Paolo Bonzini Message-ID: Date: Fri, 21 Aug 2020 12:15:51 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200821100426.GB5153@linux.fritz.box> Content-Language: en-US Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=205.139.110.120; envelope-from=pbonzini@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/20 23:41:39 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 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: , Cc: Peter Maydell , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , qemu-devel@nongnu.org, Stefan Hajnoczi Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 21/08/20 12:04, Kevin Wolf wrote: >> So I'm not sure why the first build gets as far as it does, but does NOT >> complete things and yet does not fail make, but my advice is that you should >> NOT try to an incremental build on in-tree build when crossing the meson >> epoch. If you are a fan of in-tree convenience, you need a ONE-TIME >> distclean when pulling in these changes (the fact that you HAVE to clean up >> trace.h files to merge in the meson stuff should be a hint for that). After >> that has been done, you can go back to pretending meson supports in-tree. > Sounds like it will be painful to switch between branches based on make > and branches based on meson. By extension, it will also be painful to > check out and build old versions for comparison, or doing that even more > than once during git bisect. :-( Not if you switch to out-of-tree builds... Paolo