+export DEBOOTSTRAP=debootstrap
+
+handle_crosscompile()
+{
+ if [ "`uname -m`" != 'aarch64' ]; then
+ export ARCH=arm64
+ export CROSS_COMPILE=aarch64-linux-gnu-
+ export DEBOOTSTRAP=qemu-debootstrap
+ fi
+}
+
+build_linux()
+{
+(
+ handle_crosscompile
+ test -d linux || git clone --depth 1 https://github.com/jannau/linux -b spmi/work
+ cd linux
+ git fetch
+ git reset --hard origin/spmi/work; git clean -f -x -d &> /dev/null
+ curl -s https://tg.st/u/9ce9060dea91951a330feeeda3ad636bc88c642c.patch | git am -
+ curl -s https://tg.st/u/5nly | git am -
+ curl -s https://tg.st/u/0wM8 | git am -
+ curl -s https://tg.st/u/256f5efbf23ff68c489dad92f99d1cecfb021729.patch | git am -
+ curl -s https://tg.st/u/8737955a0263d09ffa8550658dfcac1df3d0665c.patch | git am -
+ curl -s https://tg.st/u/0001-4k-iommu-patch.patch | git am -
+ curl -s https://tg.st/u/0001-21-02-axboe-grabbing-anv-lock-around-the-issue-does-.patch | git am -
+ curl -s https://tg.st/u/config-2022-02-16 > .config
+ make olddefconfig
+ make -j $(( 2* `nproc`)) V=0 bindeb-pkg &> /dev/null
+)
+}
+