From patchwork Mon Jan 14 13:41:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Boccassi X-Patchwork-Id: 49795 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 8E0521B39F; Mon, 14 Jan 2019 14:41:14 +0100 (CET) Received: from mail-wm1-f67.google.com (mail-wm1-f67.google.com [209.85.128.67]) by dpdk.org (Postfix) with ESMTP id D3DDD1B39D for ; Mon, 14 Jan 2019 14:41:12 +0100 (CET) Received: by mail-wm1-f67.google.com with SMTP id a62so8945285wmh.4 for ; Mon, 14 Jan 2019 05:41:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=4O4sbry72PyCY3xt4Ack/l1qwW3KOuw7ilyazs9WrTI=; b=EE2mjT6W3eiVKsfnp7hUqy9jZoiB+/BVIT+OawCfIEh9t2v3VNozXTsf0pwCgXdwoK 14/p7pIwyy/LM+AXNOIHEhYeR5CJKMajyj1BhzzshahOQ9g0ZesiliuJNfKpYDAven03 CE4xAfOuPypaE9KS/CXS4kNIz+2PNoMe9qTLwLwobS59mrMvPfh8q1sTYYlRmfjyYSec 7ZRo7acObHDn0QKs8UhBgApA30BCoX/+ElyK9ZgpVdFYLpTfEUjI5P0yZnMian1v9Jnl TSpS3ZKSGMDY6vDhd2MYEkBufeoi+2U+dyxXUjanVYEUFqQX07zTmD3p2k13bCb77WOr g4Ug== X-Gm-Message-State: AJcUukfdwf3sITZNVItADw87NHvF25AKj+doX2yEvZ9ThpJ8Y8G2hSWw 8EvUyCdb/xY/aL33VAjR36Cy/EIfW7w= X-Google-Smtp-Source: ALg8bN46Rn1MrXCcl2SFvsoqiKrR2t3Nmw9w3dASd2cUd1hlLa3YVjEEMaQng2yy97t+XQXsAFfXTQ== X-Received: by 2002:a1c:4855:: with SMTP id v82mr11994529wma.15.1547473272060; Mon, 14 Jan 2019 05:41:12 -0800 (PST) Received: from localhost ([2a01:4b00:f419:6f00:8361:8946:ba2b:d556]) by smtp.gmail.com with ESMTPSA id w80sm38827976wme.38.2019.01.14.05.41.11 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 14 Jan 2019 05:41:11 -0800 (PST) From: Luca Boccassi To: dev@dpdk.org Cc: jerinj@marvell.com, bruce.richardson@intel.com, Luca Boccassi , Christian Ehrhardt Date: Mon, 14 Jan 2019 13:41:06 +0000 Message-Id: <20190114134106.17383-1-bluca@debian.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190114112331.15761-1-bluca@debian.org> References: <20190114112331.15761-1-bluca@debian.org> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v2] build: mention machine=default and its use in documentation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Document the new value, as it's useful for distributions and users who need to use a stable baseline -march Signed-off-by: Luca Boccassi Reviewed-by: Christian Ehrhardt Reviewed-by: Jerin Jacob --- v2: fix typo, add commit body and reviewed-by doc/build-sdk-meson.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/build-sdk-meson.txt b/doc/build-sdk-meson.txt index 29a8bd387..ab33ca82a 100644 --- a/doc/build-sdk-meson.txt +++ b/doc/build-sdk-meson.txt @@ -87,6 +87,8 @@ Project-specific options are passed used -Doption=value:: meson -Denable_docs=true fullbuild # build and install docs + meson -Dmachine=default # use builder-independent baseline -march + Examples of setting the same options using meson configure:: meson configure -Dwerror=true @@ -103,6 +105,9 @@ should be used to change the build settings within the directory, and when ``ninja`` is called to do the build itself, it will trigger the necessary re-scan from meson. +NOTE: machine=default will use the minimum required -march on all architectures +regardless of the capabilities of the machine where the build is happening. + As well as those settings taken from ``meson configure``, other options such as the compiler to use can be passed via environment variables. For example::