From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id F257945907; Thu, 5 Sep 2024 08:05:48 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id D4DBC42D83; Thu, 5 Sep 2024 08:05:48 +0200 (CEST) Received: from dkmailrelay1.smartsharesystems.com (smartserver.smartsharesystems.com [77.243.40.215]) by mails.dpdk.org (Postfix) with ESMTP id 09E6442D80 for ; Thu, 5 Sep 2024 08:05:48 +0200 (CEST) Received: from smartserver.smartsharesystems.com (smartserver.smartsharesys.local [192.168.4.10]) by dkmailrelay1.smartsharesystems.com (Postfix) with ESMTP id E251B22D4D; Thu, 5 Sep 2024 08:05:47 +0200 (CEST) Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Subject: RE: [PATCH v1 1/1] usertools: add DPDK build directory setup script Date: Thu, 5 Sep 2024 08:05:46 +0200 X-MimeOLE: Produced By Microsoft Exchange V6.5 Message-ID: <98CBD80474FA8B44BF855DF32C47DC35E9F6A1@smartserver.smartshare.dk> In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [PATCH v1 1/1] usertools: add DPDK build directory setup script Thread-Index: Adr+3Y4k+/wQA9vTSZqIPzxRuGKNoAAfAetQ References: From: =?iso-8859-1?Q?Morten_Br=F8rup?= To: "Anatoly Burakov" , "Robin Jarry" Cc: , , X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > From: Anatoly Burakov [mailto:anatoly.burakov@intel.com] >=20 > Currently, the only way to set up a build directory for DPDK = development > is through running Meson directly. This has a number of drawbacks. >=20 > For one, the default configuration is very "fat", meaning everything = gets > enabled and built (aside from examples, which have to be enabled > manually), so while Meson is very good at minimizing work needed to = rebuild > DPDK, for any change that affects a lot of components (such as editing = an > EAL header), there's a lot of rebuilding to do. >=20 > It is of course possible to reduce the number of components built = through > meson options, but this mechanism isn't perfect, as the user needs to > remember exact spelling of all the options and components, and = currently > it doesn't handle inter-component dependencies very well (e.g. if = net/ice > is enabled, common/iavf is not automatically enabled, so net/ice can't = be > built unless user also doesn't forget to specify common/iavf). >=20 > Enter this script. It relies on Meson's introspection capabilities as = well > as the dependency graphs generated by our build system to display all > available components, and handle any dependencies for them = automatically, > while also not forcing user to remember any command-line options and = lists > of drivers, and instead relying on interactive TUI to display list of > available options. It can also produce builds that are as minimal as > possible (including cutting down libraries being built) by utilizing = the > fact that our dependency graphs report which dependency is mandatory = and > which one is optional. >=20 > Because it is not meant to replace native Meson build configuration = but > is rather targeted at users who are not intimately familiar wtih = DPDK's > build system, it is run in interactive mode by default. However, it is > also possible to run it without interaction, in which case it will = pass > all its parameters to Meson directly, with added benefit of dependency > tracking and producing minimal builds if desired. >=20 > Signed-off-by: Anatoly Burakov Acked-by: Morten Br=F8rup