From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 6581862148598661120 X-Received: by 2002:a1c:6c01:: with SMTP id h1-v6mr588095wmc.7.1532507137197; Wed, 25 Jul 2018 01:25:37 -0700 (PDT) X-BeenThere: isar-users@googlegroups.com Received: by 2002:adf:b641:: with SMTP id i1-v6ls4212005wre.14.gmail; Wed, 25 Jul 2018 01:25:36 -0700 (PDT) X-Google-Smtp-Source: AAOMgpeK48f2fI5LGB8JJMM8vTfzVrD/U0nF8y9KRl5rr1W6Aa7BQM9MewNw7Cq4YFu7JCeYB9NM X-Received: by 2002:adf:f6c1:: with SMTP id y1-v6mr1731428wrp.28.1532507136822; Wed, 25 Jul 2018 01:25:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1532507136; cv=none; d=google.com; s=arc-20160816; b=UbIpg77t6RqhxSVBN/9+KZqxGTyiTlT4RAEHh49ojHoHBmhilqPiHC38V1oX0464s2 zDTAmrSqT/Af49tCXz1xEZMXBlrwqWXowTkToWdZo/+PiHtduOofEvuWYDb2g8oHRhlz RSkf0r6l0TjYSNpAtN640AbzL1EvEA/ztm+Czj+HblbjMvJzuI9gxfOF7AlSQnKWumhe 52TEhBXVmdIW2J7D3jJLFswLjm1uIhdYurDomad8vT+tHPkUPOPtVxd5iH6vZ0UPlJJQ PbQbhfpW+/timKWb3mHdJgDz2qu6FUkzCGZUBNxGNK2wK1rn3FcbaJwXg5Mo1sJHZTTR DdLQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:arc-authentication-results; bh=qcx/U49y0P2l5b+EBLoyPsV/V2Z6IcQSJ7JRslNqu48=; b=ASfRkjKlSuqqzFtLJJvRn5uCImLPT3zBBU8ov6k0qPfWLjqaLI6y5c7ANyD664GhlM Jlfdb3P86g6r5xM6JRPMHJrmDmEawIB3cvuJFCZ+e0yBFHiqZDA/3qPZmz/4qR7vhHMd PPxq96D+vXs1n51r6tBJbRGAT9Tu7tw/C7xYEXbUXNlXW3Z/SuCby8PTSodfQ896pdRT yYaMsjZtbC+PFc9/6fQD/BcGIPhVj9CHmeHrc5ZH6i7AGo5PvotHVIQR75M3TcW91Iwz oupbOZqDPwIf5SCxLSMAfHrQlfqr9QWwM9zuFGdy0IrWs4M+3HQVhAD3wjqyv7nVAH72 NBPg== ARC-Authentication-Results: i=1; gmr-mx.google.com; spf=pass (google.com: domain of henning.schild@siemens.com designates 194.138.37.39 as permitted sender) smtp.mailfrom=henning.schild@siemens.com Return-Path: Received: from lizzard.sbs.de (lizzard.sbs.de. [194.138.37.39]) by gmr-mx.google.com with ESMTPS id u9-v6si17274wrn.4.2018.07.25.01.25.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 25 Jul 2018 01:25:36 -0700 (PDT) Received-SPF: pass (google.com: domain of henning.schild@siemens.com designates 194.138.37.39 as permitted sender) client-ip=194.138.37.39; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of henning.schild@siemens.com designates 194.138.37.39 as permitted sender) smtp.mailfrom=henning.schild@siemens.com Received: from mail2.sbs.de (mail2.sbs.de [192.129.41.66]) by lizzard.sbs.de (8.15.2/8.15.2) with ESMTPS id w6P8PZPb021621 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 25 Jul 2018 10:25:35 +0200 Received: from md1pvb1c.ad001.siemens.net (md1pvb1c.ad001.siemens.net [139.25.68.40]) by mail2.sbs.de (8.15.2/8.15.2) with ESMTP id w6P8Pa9C023352; Wed, 25 Jul 2018 10:25:36 +0200 Date: Wed, 25 Jul 2018 10:25:35 +0200 From: Henning Schild To: Alexander Smirnov Cc: Subject: Re: [PATCH v4 04/10] cross-compilation: Introduce variable switch Message-ID: <20180725102535.01011a40@md1pvb1c.ad001.siemens.net> In-Reply-To: <20180724190618.19155-5-asmirnov@ilbers.de> References: <20180724190618.19155-1-asmirnov@ilbers.de> <20180724190618.19155-5-asmirnov@ilbers.de> X-Mailer: Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TUID: q+T5nwItOrq4 The way i understand the whole thing is that there are two meanings of ISAR_CROSS_COMPILE. On the image-level it enables the feature for every package. Some packages, the ones that do not support it, disable it for their build. Would it be a good idea to come up with a different name for the two? image: ISAR_CROSS_COMPILE_IMAGE package: ISAR_CROSS_COMPILE_RECIPE ?= ISAR_CROSS_COMPILE_IMAGE Henning Am Tue, 24 Jul 2018 22:06:12 +0300 schrieb Alexander Smirnov : > Add variable to switch from native to cross compilation. > > Signed-off-by: Alexander Smirnov > --- > meta-isar/conf/local.conf.sample | 5 +++++ > meta/classes/dpkg-base.bbclass | 19 ++++++++++++++++--- > meta/classes/dpkg-raw.bbclass | 1 - > meta/classes/dpkg.bbclass | 4 +--- > meta/recipes-kernel/linux-module/module.inc | 7 +++++++ > meta/recipes-kernel/linux/linux-custom.inc | 2 ++ > 6 files changed, 31 insertions(+), 7 deletions(-) > > diff --git a/meta-isar/conf/local.conf.sample > b/meta-isar/conf/local.conf.sample index 16ef488..27b43d1 100644 > --- a/meta-isar/conf/local.conf.sample > +++ b/meta-isar/conf/local.conf.sample > @@ -156,3 +156,8 @@ CONF_VERSION = "1" > # > # The default list of extra packages to be installed. > IMAGE_INSTALL = "example-hello example-raw example-module" > + > +# > +# Enable cross-compilation support > +# NOTE: this works only for stretch-armhf and stretch-amd64 targets > for now. +ISAR_CROSS_COMPILE ?= "0" > diff --git a/meta/classes/dpkg-base.bbclass > b/meta/classes/dpkg-base.bbclass index 3234234..674c0b5 100644 > --- a/meta/classes/dpkg-base.bbclass > +++ b/meta/classes/dpkg-base.bbclass > @@ -1,6 +1,22 @@ > # This software is a part of ISAR. > # Copyright (C) 2017 Siemens AG > > +ISAR_CROSS_COMPILE ??= "0" > + > +# Add dependency from the correct buildchroot: host or target > +python __anonymous() { > + mode = d.getVar('ISAR_CROSS_COMPILE', True) > + if mode == "0": > + dep = "buildchroot-target:do_build" > + rootfs = d.getVar('BUILDCHROOT_TARGET_DIR', True) > + else: > + dep = "buildchroot-host:do_build" > + rootfs = d.getVar('BUILDCHROOT_HOST_DIR', True) > + > + d.setVarFlag('do_build', 'depends', dep) > + d.setVar('BUILDCHROOT_DIR', rootfs) > +} > + > do_adjust_git() { > if [ -f ${S}/.git/objects/info/alternates ]; then > sed -i ${S}/.git/objects/info/alternates \ > @@ -14,9 +30,6 @@ do_adjust_git[stamp-extra-info] = > "${DISTRO}-${DISTRO_ARCH}" inherit patch > addtask patch after do_adjust_git before do_build > > -# Add dependency from buildchroot creation > -do_build[depends] = "buildchroot-target:do_build" > - > # Add dependency between Isar recipes > DEPENDS ?= "" > do_build[deptask] = "do_deploy_deb" > diff --git a/meta/classes/dpkg-raw.bbclass > b/meta/classes/dpkg-raw.bbclass index 2f23eb7..28233ac 100644 > --- a/meta/classes/dpkg-raw.bbclass > +++ b/meta/classes/dpkg-raw.bbclass > @@ -7,7 +7,6 @@ DEBIAN_DEPENDS ?= "" > MAINTAINER ?= "FIXME Unknown maintainer" > > D = "${WORKDIR}/image/" > -BUILDCHROOT_DIR = "${BUILDCHROOT_TARGET_DIR}" > > # Populate folder that will be picked up as package > do_install() { > diff --git a/meta/classes/dpkg.bbclass b/meta/classes/dpkg.bbclass > index 563b63c..ab70645 100644 > --- a/meta/classes/dpkg.bbclass > +++ b/meta/classes/dpkg.bbclass > @@ -3,10 +3,8 @@ > > inherit dpkg-base > > -BUILDCHROOT_DIR = "${BUILDCHROOT_TARGET_DIR}" > - > # Build package from sources using build script > dpkg_runbuild() { > E="${@ bb.utils.export_proxies(d)}" > - sudo -E chroot ${BUILDCHROOT_DIR} /build.sh ${PP}/${PPS} > + sudo -E chroot ${BUILDCHROOT_DIR} /build.sh ${PP}/${PPS} > ${DISTRO_ARCH} } > diff --git a/meta/recipes-kernel/linux-module/module.inc > b/meta/recipes-kernel/linux-module/module.inc index 3075f44..8977668 > 100644 --- a/meta/recipes-kernel/linux-module/module.inc > +++ b/meta/recipes-kernel/linux-module/module.inc > @@ -15,6 +15,13 @@ SRC_URI += "file://debian/" > > AUTOLOAD ?= "0" > > +# Cross-compilation is not supported for default Debian kernels. > +# For example, package with kernel headers for ARM: > +# linux-headers-armmp > +# has hard dependencies from linux-compiler-gcc-4.8-arm, what > +# conflicts with the host binaries. > +ISAR_CROSS_COMPILE = "0" > + > inherit dpkg > > dpkg_runbuild_prepend() { > diff --git a/meta/recipes-kernel/linux/linux-custom.inc > b/meta/recipes-kernel/linux/linux-custom.inc index 1176b25..f7641ef > 100644 --- a/meta/recipes-kernel/linux/linux-custom.inc > +++ b/meta/recipes-kernel/linux/linux-custom.inc > @@ -20,6 +20,8 @@ python() { > 'linux-headers-' + kernel) > } > > +ISAR_CROSS_COMPILE = "0" > + > inherit dpkg-base > > SRC_URI += "file://build-kernel.sh"