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#!/bin/sh
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
if [ -d "$SRCDIR"/mkosi.kernel/ ]; then
SRCDIR="$SRCDIR/mkosi.kernel"
BUILDDIR="$BUILDDIR/mkosi.kernel"
cd "$SRCDIR"
mkdir -p "$BUILDDIR"
# Ensure fast incremental builds by fixating these values which usually change for each build.
export KBUILD_BUILD_TIMESTAMP="Fri Jun 5 15:58:00 CEST 2015"
export KBUILD_BUILD_HOST="mkosi"
scripts/kconfig/merge_config.sh -O "$BUILDDIR" \
../mkosi.kernel.config \
tools/testing/selftests/bpf/config.x86_64 \
tools/testing/selftests/bpf/config
# Make sure systemd-boot boots this kernel and not the distro provided one by overriding the version.
make O="$BUILDDIR" VERSION=99 -j "$(nproc)"
KERNEL_RELEASE=$(make O="$BUILDDIR" VERSION=99 -s kernelrelease)
mkdir -p "$DESTDIR/usr/lib/modules/$KERNEL_RELEASE"
make O="$BUILDDIR" VERSION=99 INSTALL_MOD_PATH="$DESTDIR/usr" modules_install
make O="$BUILDDIR" VERSION=99 INSTALL_PATH="$DESTDIR/usr/lib/modules/$KERNEL_RELEASE" install
mkdir -p "$DESTDIR/usr/lib/kernel/selftests"
make -C tools/testing/selftests -j "$(nproc)" O="$BUILDDIR" VERSION=99 KSFT_INSTALL_PATH="$DESTDIR/usr/lib/kernel/selftests" SKIP_TARGETS="" install
mkdir -p "$DESTDIR"/usr/bin
ln -sf /usr/lib/kernel/selftests/bpf/bpftool "$DESTDIR/usr/bin/bpftool"
fi
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