From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 7013292876278792192 X-Received: by 2002:a5d:62d0:: with SMTP id o16mr7026327wrv.206.1635435667911; Thu, 28 Oct 2021 08:41:07 -0700 (PDT) X-BeenThere: isar-users@googlegroups.com Received: by 2002:a05:600c:1986:: with SMTP id t6ls1590748wmq.2.gmail; Thu, 28 Oct 2021 08:41:06 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw1UJs5f3qdKugPb214dETFyFt9H4iWSsJkjfQo6zC8n6prvGHgyfCugCnVE693yzTxt+zH X-Received: by 2002:a7b:c1cf:: with SMTP id a15mr5249899wmj.163.1635435666861; Thu, 28 Oct 2021 08:41:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1635435666; cv=none; d=google.com; s=arc-20160816; b=dCSSJZbHmurz241aXcSQsgOpAQiWpCagHfYFzpCGd6FR/6jr7Alu2kaDpOFaxVuzlq KvfChKIYL+HZjelSL17nobYtP2s8lT/WigoGi5dGYfQT020GhZ4mIvexgIRIXDsqswP0 pbXH41xBiVyVradNZFoUCnJ1XNQ5zlGyG5fy8sCcPVBNKsQ4pYmkM7uJqfspiM4MRim6 Na1WMhHD1375hCdrIyG49mAg1h7E7s4OtKGz3pkjLxJ8SZ6jIiZF+v4R1yzMxA8MPfY2 WLmrbKlEGv+qF5+Y0MF/ZgWY8j/7smuiPO1mI8K2/G7iPNzzKNPhjwkgXQD4ENxce1Yp Wz1w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:in-reply-to:mime-version :user-agent:date:message-id:from:references:to:subject; bh=FhasIy1GNxN2xjzkaOvMRECQzuWJKgaNfcF85CZBWnY=; b=f6Bon8VI8Q2PZyvvPq6oN+lft1qZuf80Wu7BTKE8qRCAkBkXHbk0nOtGJqJsUhYrxT uM3+UNVaqnLGmyEPWExn0m+tD7QBysoOL6wkVfEqTYGpyzdWjxb4ROawzGcJQ+R8KYT8 TVsU6C/az3F67SX540qCvHg6c04HiDCc+TGvzaVXPZ216lOP+l6v0tK7mKzgarKgXcvP 3C0Y7d6huM23tTVKDCwGs2989rN8+h7x4cFRddw+XFAdGsf9ENvbZpRc2kEtkl5k3xqT n1ldV5pix0owT4jAsKTuQ+VIPaUX8GHahHw505R9J29X86G0bGPorS3RCwgxLfACfd46 OuBA== ARC-Authentication-Results: i=1; gmr-mx.google.com; spf=pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.2 as permitted sender) smtp.mailfrom=jan.kiszka@siemens.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=siemens.com Return-Path: Received: from thoth.sbs.de (thoth.sbs.de. [192.35.17.2]) by gmr-mx.google.com with ESMTPS id h12si174911wml.1.2021.10.28.08.41.06 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Oct 2021 08:41:06 -0700 (PDT) Received-SPF: pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.2 as permitted sender) client-ip=192.35.17.2; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.2 as permitted sender) smtp.mailfrom=jan.kiszka@siemens.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=siemens.com Received: from mail2.sbs.de (mail2.sbs.de [192.129.41.66]) by thoth.sbs.de (8.15.2/8.15.2) with ESMTPS id 19SFf6Ax025753 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 28 Oct 2021 17:41:06 +0200 Received: from [139.22.40.62] ([139.22.40.62]) by mail2.sbs.de (8.15.2/8.15.2) with ESMTP id 19SFf5Dn031458; Thu, 28 Oct 2021 17:41:06 +0200 Subject: Re: [PATCH v2 0/2] Support for ccache To: Uladzimir Bely , isar-users@googlegroups.com References: <20210929095810.3228-1-ubely@ilbers.de> From: Jan Kiszka Message-ID: Date: Thu, 28 Oct 2021 17:41:05 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20210929095810.3228-1-ubely@ilbers.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TUID: S4nOvojiSqXt On 29.09.21 11:58, Uladzimir Bely wrote: > Changes since v1: > - Simplified used variables > - Rebased on latest `next` > > Some custom user packages built from sources may be written in C/C++. > Using ccache will help decrease build time in case they are rebuilt. > > For example, building `mc:stm32mp15x-buster:linux-mainline` during the > test took 28 minutes at second build with ccache enabled in comparison > with 115 minutes of first build. > > Uladzimir Bely (2): > meta: Support for ccache for custom packages in buildchroot > doc: Add section about ccache usage > > doc/user_manual.md | 17 ++++++++++++++ > meta-isar/conf/local.conf.sample | 5 ++++ > meta/classes/buildchroot.bbclass | 6 +++++ > meta/classes/ccache.bbclass | 23 +++++++++++++++++++ > meta/classes/dpkg.bbclass | 3 ++- > .../buildchroot/buildchroot.inc | 1 + > .../buildchroot/files/build.sh | 6 +++++ > .../buildchroot/files/common.sh | 1 + > 8 files changed, 61 insertions(+), 1 deletion(-) > create mode 100644 meta/classes/ccache.bbclass > What's the status here? I think we still wanted to simplify/unify the UI, aligning it to ISAR_CROSS_COMPILE. Jan -- Siemens AG, T RDA IOT Corporate Competence Center Embedded Linux