Re: [PATCH v3 3/7] buildchroot: Add host buildchroot

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2018-07-17 15:18, Alexander Smirnov wrote:
> Add buildchroot for host architecture.
> 
> Signed-off-by: Alexander Smirnov <asmirnov@ilbers.de>
> ---
>  meta/conf/isar-bitbake.conf                        |  1 +
>  .../buildchroot/buildchroot-host.bb                | 31 ++++++++++++++++++++++
>  2 files changed, 32 insertions(+)
>  create mode 100644 meta/recipes-devtools/buildchroot/buildchroot-host.bb
> 
> diff --git a/meta/conf/isar-bitbake.conf b/meta/conf/isar-bitbake.conf
> index aaba96e..666c4a3 100644
> --- a/meta/conf/isar-bitbake.conf
> +++ b/meta/conf/isar-bitbake.conf
> @@ -21,6 +21,7 @@
>  WORKDIR = "${TMPDIR}/work/${DISTRO}-${DISTRO_ARCH}/${PF}"
>  DL_DIR = "${TOPDIR}/downloads"
>  SSTATE_DIR ?= "${TMPDIR}/sstate-cache"
> +BUILDCHROOT_HOST_DIR = "${TMPDIR}/work/${DISTRO}-${DISTRO_ARCH}/buildchroot-host/rootfs"
>  BUILDCHROOT_TARGET_DIR = "${TMPDIR}/work/${DISTRO}-${DISTRO_ARCH}/buildchroot-target/rootfs"
>  CACHE = "${TMPDIR}/cache"
>  
> diff --git a/meta/recipes-devtools/buildchroot/buildchroot-host.bb b/meta/recipes-devtools/buildchroot/buildchroot-host.bb
> new file mode 100644
> index 0000000..20b1e79
> --- /dev/null
> +++ b/meta/recipes-devtools/buildchroot/buildchroot-host.bb
> @@ -0,0 +1,31 @@
> +# Root filesystem for packages building
> +#
> +# This software is a part of ISAR.
> +# Copyright (C) 2015-2018 ilbers GmbH
> +
> +DESCRIPTION = "Isar development filesystem for host"
> +
> +include buildchroot.inc
> +
> +BUILDCHROOT_PREINSTALL ?= "make \
> +                           debhelper \
> +                           autotools-dev \
> +                           dpkg \
> +                           locales \
> +                           docbook-to-man \
> +                           apt \
> +                           automake \
> +                           devscripts \
> +                           equivs \
> +                           libc6:${DISTRO_ARCH}"
> +
> +# Please note: this works for Stretch distro only. According to the wiki page:
> +#     https://wiki.debian.org/CrossToolchains
> +# Jessie doesn't contain toolchain. It should be fetched from the external
> +# repository:
> +#     http://emdebian.org/tools/debian/
> +BUILDCHROOT_PREINSTALL_append_armhf += "binutils-arm-linux-gnueabihf \
> +                                              crossbuild-essential-armhf"

Indention is a bit off.

Here is the ARM64 addon that builds the kernel:

diff --git a/meta/recipes-devtools/buildchroot/buildchroot-host.bb b/meta/recipes-devtools/buildchroot/buildchroot-host.bb
index 20b1e79..c8d8373 100644
--- a/meta/recipes-devtools/buildchroot/buildchroot-host.bb
+++ b/meta/recipes-devtools/buildchroot/buildchroot-host.bb
@@ -26,6 +26,8 @@ BUILDCHROOT_PREINSTALL ?= "make \
 #     http://emdebian.org/tools/debian/
 BUILDCHROOT_PREINSTALL_append_armhf += "binutils-arm-linux-gnueabihf \
                                               crossbuild-essential-armhf"
+BUILDCHROOT_PREINSTALL_append_arm64 += "binutils-aarch64-linux-gnu \
+                                        crossbuild-essential-arm64"
 
 PARAMS = "--host-arch"
 do_build[depends] = "isar-apt:do_cache_config isar-bootstrap-host:do_bootstrap"
diff --git a/meta/recipes-kernel/linux/files/build-kernel.sh b/meta/recipes-kernel/linux/files/build-kernel.sh
index ecfbf83..ca2c7b2 100644
--- a/meta/recipes-kernel/linux/files/build-kernel.sh
+++ b/meta/recipes-kernel/linux/files/build-kernel.sh
@@ -18,6 +18,10 @@ if [ "$host_arch" != "$target_arch" ]; then
         export ARCH=arm
         export CROSS_COMPILE="arm-linux-gnueabihf-"
         ;;
+    arm64)
+        export ARCH=arm64
+        export CROSS_COMPILE="aarch64-linux-gnu-"
+        ;;
     *)
         echo "error: unsupported architecture ($target_arch)"
         exit 1

> +
> +PARAMS = "--host-arch"
> +do_build[depends] = "isar-apt:do_cache_config isar-bootstrap-host:do_bootstrap"
> 

Jan