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systemd-stable/mkosi.build
Luca Boccassi 3168bda640 mkosi: configure multiarch libdir in debian/ubuntu builds 
Debian/Ubuntu use /usr/lib/<triplet> instead of /usr/lib64, so configure it
accordingly. This is especially important for cryptsetup token plugins,
as cryptsetup comes from the distro and is configured to look into those
directories.

(cherry picked from commit bbb40c4e6f)
2023-03-03 09:43:10 +01:00

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#!/bin/sh
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
# This is a build script for OS image generation using mkosi (https://github.com/systemd/mkosi).
# Simply invoke "mkosi" in the project directory to build an OS image.
ASAN_OPTIONS=strict_string_checks=1:detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1:disable_coredump=0:use_madv_dontdump=1
UBSAN_OPTIONS=print_stacktrace=1:print_summary=1:halt_on_error=1
# On Fedora "ld" is (unfortunately — if you ask me) managed via
# "alternatives". Since we'd like to support building images in environments
# with only /usr/ around (e.g. mkosi's UsrOnly=1 option), we have the problem
# that /usr/bin/ld is a symlink that points to a non-existing file in
# /etc/alternative/ in this mode. Let's work around this for now by manually
# redirect "ld" to "ld.bfd", i.e. circumventing the /usr/bin/ld symlink.
if [ ! -x /usr/bin/ld ] && [ -x /usr/bin/ld.bfd ]; then
mkdir -p "$HOME"/bin
ln -s /usr/bin/ld.bfd "$HOME"/bin/ld
PATH="$HOME/bin:$PATH"
fi
# If mkosi.builddir/ exists mkosi will set $BUILDDIR to it, let's then use it
# as out-of-tree build dir. Otherwise, let's make up our own builddir.
[ -z "$BUILDDIR" ] && BUILDDIR="$PWD"/build
# Let's make sure we're using stuff from the build directory first if available there.
PATH="$BUILDDIR:$PATH"
export PATH
# Meson uses Python 3 and requires a locale with an UTF-8 character map.
# Not running under UTF-8 makes the `ninja test` step break with a CodecError.
# So let's ensure we're running under UTF-8.
#
# If our current locale already is UTF-8, then we don't need to do anything:
if [ "$(locale charmap 2>/dev/null)" != "UTF-8" ] ; then
# Try using C.UTF-8 locale, if available. This locale is not shipped
# by upstream glibc, so it's not available in all distros.
# (In particular, it's not available in Arch Linux.)
if locale -a | grep -q -E "C.UTF-8|C.utf8"; then
export LC_CTYPE=C.UTF-8
# Finally, try something like en_US.UTF-8, which should be
# available in Arch Linux, but is not present in Debian's
# minimal image in our mkosi config.
elif locale -a | grep -q en_US.utf8; then
export LC_CTYPE=en_US.UTF-8
else
# If nothing works, fail early.
echo "*** Could not find a valid locale that supports UTF-8. ***" >&2
exit 1
fi
fi
# The bpftool script shipped by Ubuntu tries to find the actual program to run via querying `uname -r` and
# using the current kernel version. This obviously doesn't work in containers. As a workaround, we override
# the ubuntu script with a symlink to the first bpftool program we can find.
for bpftool in /usr/lib/linux-tools/*/bpftool; do
[ -x "$bpftool" ] || continue
ln -sf "$bpftool" "$BUILDDIR"/bpftool
break
done
# CentOS Stream 8 includes bpftool 4.18.0 which is lower than what we need. However, they've backported the
# specific feature we need ("gen skeleton") to this version, so we replace bpftool with a script that reports
# version 5.6.0 to satisfy meson which makes bpf work on CentOS Stream 8 as well.
if [ "$(grep '^ID=' /etc/os-release)" = "ID=\"centos\"" ] && [ "$(grep '^VERSION=' /etc/os-release)" = "VERSION=\"8\"" ]; then
cat >"$BUILDDIR"/bpftool <<EOF
#!/bin/sh
if [ "\$1" = --version ]; then
echo 5.6.0
else
exec /usr/sbin/bpftool \$@
fi
EOF
chmod +x "$BUILDDIR"/bpftool
fi
if [ ! -f "$BUILDDIR"/build.ninja ] ; then
sysvinit_path=$(realpath /etc/init.d)
init_path=$(realpath /sbin/init 2>/dev/null)
if [ -z "$init_path" ] ; then
rootprefix=""
else
rootprefix=${init_path%/lib/systemd/systemd}
rootprefix=/${rootprefix#/}
fi
# On debian-like systems the library directory is not /usr/lib64 but /usr/lib/<arch-triplet>/.
# It is important to use the right one especially for cryptsetup plugins, otherwise they will be
# installed in the wrong directory and not be found by cryptsetup. Assume native build.
if grep -q -e "ID=debian" -e "ID_LIKE=debian" /etc/os-release && command -v dpkg 2>/dev/null; then
LIBDIR="-Drootlibdir=/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)"
PAMDIR="-Dpamlibdir=/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)/security"
fi
# Cannot quote $LIBDIR and $PAMDIR, because they may be empty, and meson will fail.
# shellcheck disable=SC2086
meson setup "$BUILDDIR" \
${LIBDIR:-} \
${PAMDIR:-} \
-D "sysvinit-path=$sysvinit_path" \
-D "rootprefix=$rootprefix" \
-D man=false \
-D translations=false \
-D version-tag="${VERSION_TAG}" \
-D mode=developer \
-D b_sanitize="${SANITIZERS:-none}" \
-D install-tests=true \
-D tests=unsafe \
-D slow-tests=true \
-D utmp=true \
-D hibernate=true \
-D ldconfig=true \
-D resolve=true \
-D efi=true \
-D tpm=true \
-D environment-d=true \
-D binfmt=true \
-D repart=true \
-D sysupdate=true \
-D coredump=true \
-D pstore=true \
-D oomd=true \
-D logind=true \
-D hostnamed=true \
-D localed=true \
-D machined=true \
-D portabled=true \
-D sysext=true \
-D userdb=true \
-D homed=true \
-D networkd=true \
-D timedated=true \
-D timesyncd=true \
-D remote=true \
-D nss-myhostname=true \
-D nss-mymachines=true \
-D nss-resolve=true \
-D nss-systemd=true \
-D firstboot=true \
-D randomseed=true \
-D backlight=true \
-D vconsole=true \
-D quotacheck=true \
-D sysusers=true \
-D tmpfiles=true \
-D importd=true \
-D hwdb=true \
-D rfkill=true \
-D xdg-autostart=true \
-D translations=true \
-D polkit=true \
-D acl=true \
-D audit=true \
-D blkid=true \
-D fdisk=true \
-D kmod=true \
-D pam=true \
-D pwquality=true \
-D microhttpd=true \
-D libcryptsetup=true \
-D libcurl=true \
-D idn=true \
-D libidn2=true \
-D qrencode=true \
-D gcrypt=true \
-D gnutls=true \
-D openssl=true \
-D cryptolib=openssl \
-D p11kit=true \
-D libfido2=true \
-D tpm2=true \
-D elfutils=true \
-D zstd=true \
-D xkbcommon=true \
-D pcre2=true \
-D glib=true \
-D dbus=true \
-D gnu-efi=true \
-D kernel-install=true \
-D analyze=true \
-D bpf-framework=true \
-D ukify=true
fi
cd "$BUILDDIR"
ninja "$@"
if [ "$WITH_TESTS" = 1 ] ; then
if [ -n "$SANITIZERS" ]; then
export ASAN_OPTIONS="$ASAN_OPTIONS"
export UBSAN_OPTIONS="$UBSAN_OPTIONS"
TIMEOUT_MULTIPLIER=3
else
TIMEOUT_MULTIPLIER=1
fi
meson test --print-errorlogs --timeout-multiplier=$TIMEOUT_MULTIPLIER
fi
cd "$SRCDIR"
meson install -C "$BUILDDIR" --quiet --no-rebuild --only-changed
mkdir -p "$DESTDIR"/etc
cat >"$DESTDIR"/etc/issue <<EOF
\S (built from systemd tree)
Kernel \r on an \m (\l)
EOF
if [ -n "$IMAGE_ID" ] ; then
mkdir -p "$DESTDIR"/usr/lib
sed -n \
-e '/^IMAGE_ID=/!p' \
-e "\$aIMAGE_ID=$IMAGE_ID" <"/usr/lib/os-release" >"${DESTDIR}/usr/lib/os-release"
OSRELEASEFILE="$DESTDIR"/usr/lib/os-release
else
OSRELEASEFILE=/usr/lib/os-release
fi
if [ -n "$IMAGE_VERSION" ] ; then
mkdir -p "$DESTDIR"/usr/lib
sed -n \
-e '/^IMAGE_VERSION=/!p' \
-e "\$aIMAGE_VERSION=$IMAGE_VERSION" <$OSRELEASEFILE >"/tmp/os-release.tmp"
cat /tmp/os-release.tmp >"$DESTDIR"/usr/lib/os-release
rm /tmp/os-release.tmp
fi
# If $CI_BUILD is set, copy over the CI service which executes a service check
# after boot and then shuts down the machine
if [ -n "$CI_BUILD" ]; then
mkdir -p "$DESTDIR/usr/lib/systemd/system"
cp -v "$SRCDIR/test/mkosi-check-and-shutdown.service" "$DESTDIR/usr/lib/systemd/system/mkosi-check-and-shutdown.service"
cp -v "$SRCDIR/test/mkosi-check-and-shutdown.sh" "$DESTDIR/usr/lib/systemd/mkosi-check-and-shutdown.sh"
chmod +x "$DESTDIR/usr/lib/systemd/mkosi-check-and-shutdown.sh"
fi
if [ -n "$SANITIZERS" ]; then
LD_PRELOAD=$(ldd "$BUILDDIR"/systemd | grep libasan.so | awk '{print $3}')
mkdir -p "$DESTDIR/etc/systemd/system.conf.d"
cat >"$DESTDIR/etc/systemd/system.conf.d/10-asan.conf" <<EOF
[Manager]
ManagerEnvironment=ASAN_OPTIONS=$ASAN_OPTIONS\\
UBSAN_OPTIONS=$UBSAN_OPTIONS\\
LD_PRELOAD=$LD_PRELOAD
DefaultEnvironment=ASAN_OPTIONS=$ASAN_OPTIONS\\
UBSAN_OPTIONS=$UBSAN_OPTIONS\\
LD_PRELOAD=$LD_PRELOAD
EOF
# ASAN logs to stderr by default. However, journald's stderr is connected to /dev/null, so we lose
# all the ASAN logs. To rectify that, let's connect journald's stdout to the console so that any
# sanitizer failures appear directly on the user's console.
mkdir -p "$DESTDIR/etc/systemd/system/systemd-journald.service.d"
cat >"$DESTDIR/etc/systemd/system/systemd-journald.service.d/10-stdout-tty.conf" <<EOF
[Service]
StandardOutput=tty
EOF
# Both systemd and util-linux's login call vhangup() on /dev/console which disconnects all users.
# This means systemd-journald can't log to /dev/console even if we configure `StandardOutput=tty`. As
# a workaround, we modify console-getty.service to disable systemd's vhangup() and disallow login
# from calling vhangup() so that journald's ASAN logs correctly end up in the console.
mkdir -p "$DESTDIR/etc/systemd/system/console-getty.service.d"
cat >"$DESTDIR/etc/systemd/system/console-getty.service.d/10-no-vhangup.conf" <<EOF
[Service]
TTYVHangup=no
CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG
EOF
fi
# Make sure services aren't enabled by default on Debian/Ubuntu.
mkdir -p "$DESTDIR/etc/systemd/system-preset"
echo "disable *" >"$DESTDIR/etc/systemd/system-preset/99-mkosi.preset"
if [ -d mkosi.kernel/ ]; then
cd "$SRCDIR/mkosi.kernel"
mkdir -p "$BUILDDIR/mkosi.kernel"
# Ensure fast incremental builds by fixating these values which usually change for each build.
export KBUILD_BUILD_TIMESTAMP="Fri Jun 5 15:58:00 CEST 2015"
export KBUILD_BUILD_HOST="mkosi"
scripts/kconfig/merge_config.sh -O "$BUILDDIR/mkosi.kernel" \
../mkosi.kernel.config \
tools/testing/selftests/bpf/config.x86_64 \
tools/testing/selftests/bpf/config
make O="$BUILDDIR/mkosi.kernel" -j "$(nproc)"
KERNEL_RELEASE=$(make O="$BUILDDIR"/mkosi.kernel -s kernelrelease)
mkdir -p "$DESTDIR/usr/lib/modules/$KERNEL_RELEASE"
make O="$BUILDDIR/mkosi.kernel" INSTALL_MOD_PATH="$DESTDIR/usr" modules_install
make O="$BUILDDIR/mkosi.kernel" INSTALL_PATH="$DESTDIR/usr/lib/modules/$KERNEL_RELEASE" install
mkdir -p "$DESTDIR/usr/lib/kernel/selftests"
make -C tools/testing/selftests -j "$(nproc)" O="$BUILDDIR/mkosi.kernel" KSFT_INSTALL_PATH="$DESTDIR/usr/lib/kernel/selftests" SKIP_TARGETS="" install
ln -sf /usr/lib/kernel/selftests/bpf/bpftool "$DESTDIR/usr/bin/bpftool"
fi
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