mkosi.images/system/kernel/mkosi.build.chroot

   1 #!/bin/sh
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -e
   4
   5 cd "$SRCDIR/kernel"
   6
   7 BUILDDIR="$BUILDDIR/kernel"
   8 mkdir -p "$BUILDDIR"
   9
  10 # Prevent a distro's custom installkernel script from being used.
  11 if [ -x /sbin/installkernel ]; then
  12     mount --bind /dev/null /sbin/installkernel
  13 fi
  14
  15 # Ensure fast incremental builds by fixating these values which usually change for each build.
  16 export KBUILD_BUILD_TIMESTAMP="Fri Jun  5 15:58:00 CEST 2015"
  17 export KBUILD_BUILD_HOST="mkosi"
  18
  19 scripts/kconfig/merge_config.sh -O "$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"