[sonic_debian_extension.j2] fix systemd version not from buster-backp…

…orts (#7322)

Install systemd explicitelly from backports and install libsystemd* packages from backports.

Signed-off-by: Stepan Blyschak <stepanb@nvidia.com>

build_debian.sh

@@ -351,6 +351,7 @@ sudo LANG=C chroot $FILESYSTEM_ROOT bash -c "find /usr/share/i18n/locales/ ! -na
 # more up-to-date (but potentially less stable) versions
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y -t $IMAGE_DISTRO-backports install \
     picocom \
+    systemd \
     systemd-sysv
 
 if [[ $CONFIGURED_ARCH == amd64 ]]; then

files/build_templates/sonic_debian_extension.j2

@@ -255,10 +255,12 @@ sudo cp -f $IMAGE_CONFIGS/bash/bash.bashrc $FILESYSTEM_ROOT/etc/
 
 # Install prerequisites needed for installing the dependent Python packages of sonic-host-services
 # These packages can be uninstalled after installation
-sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install libcairo2-dev libdbus-1-dev libgirepository1.0-dev libsystemd-dev pkg-config
+sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install libcairo2-dev libdbus-1-dev libgirepository1.0-dev pkg-config
+sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y -t $IMAGE_DISTRO-backports install libsystemd-dev
 
 # Manually install runtime dependencies to avoid them being auto-removed while uninstalling build dependencies
-sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install gir1.2-glib-2.0 libdbus-1-3 libgirepository-1.0-1 libsystemd0
+sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y install gir1.2-glib-2.0 libdbus-1-3 libgirepository-1.0-1
+sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y -t $IMAGE_DISTRO-backports install libsystemd0
 
 # Install SONiC host services package
 SONIC_HOST_SERVICES_PY3_WHEEL_NAME=$(basename {{sonic_host_services_py3_wheel_path}})