mkosi.presets/system/mkosi.kernel.build

   1 #!/bin/sh
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -e
   4
   5 if [ "${container:-}" != "mkosi" ]; then
   6     exec mkosi-chroot "$SCRIPT" "$@"
   7 fi
   8
   9 if [ -d "$SRCDIR"/mkosi.kernel/ ]; then
  10     SRCDIR="$SRCDIR/mkosi.kernel"
  11     BUILDDIR="$BUILDDIR/mkosi.kernel"
  12     cd "$SRCDIR"
  13     mkdir -p "$BUILDDIR"
  14
  15     # Ensure fast incremental builds by fixating these values which usually change for each build.
  16     export KBUILD_BUILD_TIMESTAMP="Fri Jun  5 15:58:00 CEST 2015"
  17     export KBUILD_BUILD_HOST="mkosi"
  18
  19     scripts/kconfig/merge_config.sh -O "$BUILDDIR" \
  20             ../mkosi.kernel.config \
  21             tools/testing/selftests/bpf/config.x86_64 \
  22             tools/testing/selftests/bpf/config
  23
  24     # Make sure systemd-boot boots this kernel and not the distro provided one by overriding the version.
  25     make O="$BUILDDIR" VERSION=99 -j "$(nproc)"
  26     make O="$BUILDDIR" VERSION=99 -j "$(nproc)" headers
  27
  28     KERNEL_RELEASE=$(make O="$BUILDDIR" VERSION=99 -s kernelrelease)
  29     mkdir -p "$DESTDIR/usr/lib/modules/$KERNEL_RELEASE"
  30     make O="$BUILDDIR" VERSION=99 INSTALL_MOD_PATH="$DESTDIR/usr" modules_install
  31     make O="$BUILDDIR" VERSION=99 INSTALL_PATH="$DESTDIR/usr/lib/modules/$KERNEL_RELEASE" install
  32     mkdir -p "$DESTDIR/usr/lib/kernel/selftests"
  33     make -C tools/testing/selftests -j "$(nproc)" O="$BUILDDIR" VERSION=99 KSFT_INSTALL_PATH="$DESTDIR/usr/lib/kernel/selftests" SKIP_TARGETS="hid" install
  34
  35     mkdir -p "$DESTDIR"/usr/bin
  36     ln -sf /usr/lib/kernel/selftests/bpf/bpftool "$DESTDIR/usr/bin/bpftool"
  37 fi