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[192.35.17.2]) by gmr-mx.google.com with ESMTPS id f2si426814edm.1.2020.03.28.04.24.50 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 28 Mar 2020 04:24:50 -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 02SBOnLK000993 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 28 Mar 2020 12:24:49 +0100 Received: from md1f2u6c.ad001.siemens.net ([167.87.129.190]) by mail2.sbs.de (8.15.2/8.15.2) with ESMTP id 02SBOlvn027066; Sat, 28 Mar 2020 12:24:47 +0100 From: Jan Kiszka To: isar-users Cc: Chao Zeng , Le Jin , Christopher Larson Subject: [PATCH v2 0/6] Evolve SDK to chroot-free usage Date: Sat, 28 Mar 2020 12:24:40 +0100 Message-Id: X-Mailer: git-send-email 2.16.4 X-TUID: pnNh130gcfIG Changes in v2: - add "restore-chroot" mode to relocation script - add help to relocation script - update README.sdk Original cover letter: Currently, our SDK can primarily be used by chroot'ing into it, taking the to-be-built project with you (bind mount etc.). This was enough for a start but we can do better. This series enhance the SDK to become usage as a normal cross-toolchain on your host system. For that purpose, we add a script that relocates the toolchain after installation, adjust binary search paths and sysroot. So, the only remaining difference to a yocto or buildroot toolchain is the need to run the relocation script once after unpacking the SDK. The series furthermore allows to customize the SDK content via the image-generating layer. The series (together with all other pending patching of mine) can also be found at https://github.com/siemens/isar/commits/jan/queue. While I already shrunk the SDK a bit by removing the now obsolete isar-apt repo, I suspect we could further reduce the deployment size by dropping chroot support completely, only including the compiler and their library dependencies. OTOH, sdk-debian-buster-arm64.tar.xz is now 142M here, unpacked 680M, while ARM's gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz has 260M packed and 1.5G(!) unpacked. So we are either not really off or are still missing something. Jan Jan Kiszka (6): sdk: Add support for adding self-defined sdk packages sdk: Make all links in the SDK chroot relative sdk: Add script to relocate SDK sdk: Do not ship the isar-apt repo sdk: Inject sysroot path when calling relocated toolchain sdk: Update README.sdk doc/user_manual.md | 1 + meta/classes/image-sdk-extension.bbclass | 28 ++++++++- meta/recipes-devtools/sdkchroot/files/README.sdk | 71 +++++++++++----------- .../sdkchroot/files/gcc-sysroot-wrapper.sh | 16 +++++ .../sdkchroot/files/relocate-sdk.sh | 44 ++++++++++++++ meta/recipes-devtools/sdkchroot/sdkchroot.bb | 35 ++++++----- 6 files changed, 141 insertions(+), 54 deletions(-) create mode 100755 meta/recipes-devtools/sdkchroot/files/gcc-sysroot-wrapper.sh create mode 100755 meta/recipes-devtools/sdkchroot/files/relocate-sdk.sh -- 2.16.4