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[185.136.65.226]) by gmr-mx.google.com with ESMTPS id u12-20020a05651c130c00b0026bfbc4be3csi52305lja.7.2022.09.27.02.51.46 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 27 Sep 2022 02:51:46 -0700 (PDT) Received-SPF: pass (google.com: domain of fm-72506-2022092709514574c58d71b21793c68e-vz4kaj@rts-flowmailer.siemens.com designates 185.136.65.226 as permitted sender) client-ip=185.136.65.226; Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@siemens.com header.s=fm1 header.b=QlZEtmrp; spf=pass (google.com: domain of fm-72506-2022092709514574c58d71b21793c68e-vz4kaj@rts-flowmailer.siemens.com designates 185.136.65.226 as permitted sender) smtp.mailfrom=fm-72506-2022092709514574c58d71b21793c68e-VZ4Kaj@rts-flowmailer.siemens.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=siemens.com Received: by mta-65-226.siemens.flowmailer.net with ESMTPSA id 2022092709514574c58d71b21793c68e for ; Tue, 27 Sep 2022 11:51:45 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm1; d=siemens.com; i=felix.moessbauer@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc:References:In-Reply-To; bh=nScJzCdFib1GDTDcpNHUtMmRyWoEw1cYxvDuSoTSu78=; b=QlZEtmrpOX58ZkJThXmzRTmQHdXEQV6jXD4zCaQEB/awBk91xeub3MKLApQKsI64Tn2oni iQG+6OumDyWNtK245RaEcE+XgveaglljduFA7Vtgno0niAxpoD9z5wRfEW3H5wbcw1/AnnpN IxdRv/NmUsakwEIo6Eg/5bApaeScI=; From: Felix Moessbauer To: isar-users@googlegroups.com Cc: henning.schild@siemens.com, jan.kiszka@siemens.com, ibr@ilbers.de, amikan@ilbers.de, adriaan.schmidt@siemens.com, Felix Moessbauer Subject: [PATCH v7 2/6] run imager in buildchroot-host on cross Date: Tue, 27 Sep 2022 11:51:13 +0200 Message-Id: <20220927095117.958474-3-felix.moessbauer@siemens.com> In-Reply-To: <20220927095117.958474-1-felix.moessbauer@siemens.com> References: <20220927095117.958474-1-felix.moessbauer@siemens.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-72506:519-21489:flowmailer X-TUID: /UCnD+JSb/Tn When globally enabling ISAR_CROSS_COMPILE, the imager and compression tasks run in the host buildchroot as well (instead of the target buildchroot). Similar to the cross support for DPKG recipes, this can be toggled on a per-image basis by setting ISAR_CROSS_COMPILE in the image recipe. Signed-off-by: Felix Moessbauer --- doc/user_manual.md | 11 +++++++++++ meta/classes/image-tools-extension.bbclass | 3 --- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/doc/user_manual.md b/doc/user_manual.md index 5b2387d8..f38a133e 100644 --- a/doc/user_manual.md +++ b/doc/user_manual.md @@ -986,6 +986,17 @@ built for the compat arch need to be tagged individually by setting `PACKAGE_ARCH = "${COMPAT_DISTRO_ARCH}"` in the package recipe. Non-tagged packages will continue to be built for the primary target architecture. +### Cross Support for Imagers + +If `ISAR_CROSS_COMPILE = "1"`, the imager and optional compression tasks +run in the host buildchroot instead of the target buildchroot. +This gives a significant speedup when compressing the generated image, +as the compression is not emulated. + +In case your setup does not support cross-imaging, you can disable this +just for the particular image by adding `ISAR_CROSS_COMPILE = "0"` to your +image recipe. + ## Examining and debugging package generation inside their buildchroot diff --git a/meta/classes/image-tools-extension.bbclass b/meta/classes/image-tools-extension.bbclass index b9968139..e13d4a3f 100644 --- a/meta/classes/image-tools-extension.bbclass +++ b/meta/classes/image-tools-extension.bbclass @@ -5,9 +5,6 @@ # # This file extends the image.bbclass to supply tools for futher imager functions -# Imager are expected to run natively, thus will use the target buildchroot. -ISAR_CROSS_COMPILE = "0" - inherit buildchroot IMAGER_INSTALL ??= "" -- 2.30.2