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#!/bin/bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
if [[ ! -f "pkg/$PKG_SUBDIR/PKGBUILD" ]]; then
echo "PKGBUILD not found at pkg/$PKG_SUBDIR/PKGBUILD, run mkosi once with -ff to make sure the PKGBUILD is cloned" >&2
exit 1
fi
# We can't configure the source or build directory so we use symlinks instead to make sure they are in the
# expected locations. Because we run with --noextract we are responsible for making sure the source files
# appear in src/. This means not only the systemd source directory, but also the patches and configuration
# files that are shipped in the packaging repository. To achieve this, instead of symlinking the systemd
# sources and build directory directly into "pkg/$PKG_SUBDIR/src", we symlink them into "pkg/$PKG_SUBDIR" and
# then symlink "pkg/$PKG_SUBDIR" to "pkg/$PKG_SUBDIR/src".
ln --symbolic "$SRCDIR" "pkg/$PKG_SUBDIR/systemd"
ln --symbolic "$BUILDDIR" "pkg/$PKG_SUBDIR/build"
ln --symbolic . "pkg/$PKG_SUBDIR/src"
MKOSI_CFLAGS="-O0 -g -Wp,-U_FORTIFY_SOURCE"
if ((LLVM)); then
# TODO: Remove -fno-sanitize-function when https://github.com/systemd/systemd/issues/29972 is fixed.
MKOSI_CFLAGS="$MKOSI_CFLAGS -shared-libasan -fno-sanitize=function"
fi
MKOSI_LDFLAGS=""
if ((LLVM)) && [[ -n "$SANITIZERS" ]]; then
MKOSI_LDFLAGS="$MKOSI_LDFLAGS -Wl,-rpath=$(realpath "$(clang --print-runtime-dir)")"
fi
MKOSI_MESON_OPTIONS="-D mode=developer -D b_sanitize=${SANITIZERS:-none}"
if ((WIPE)) && [[ -d "$BUILDDIR/meson-private" ]]; then
MKOSI_MESON_OPTIONS="$MKOSI_MESON_OPTIONS --wipe"
fi
# Override the default options. We specifically disable "strip", "zipman" and "lto" as they slow down builds
# significantly. OPTIONS= cannot be overridden on the makepkg command line so we append to /etc/makepkg.conf
# instead. The rootfs is overlaid with a writable tmpfs during the build script so these changes don't end up
# in the image itself.
tee --append /etc/makepkg.conf >/dev/null <<EOF
export CC="$( ((LLVM)) && echo clang || echo gcc)"
export CXX="$( ((LLVM)) && echo clang++ || echo g++)"
export CC_LD="$( ((LLVM)) && echo lld)"
export CXX_LD="$( ((LLVM)) && echo lld)"
export CFLAGS="\$CFLAGS $MKOSI_CFLAGS $CFLAGS"
export CXXFLAGS="\$CXXFLAGS $MKOSI_CFLAGS $CFLAGS"
export LDFLAGS="\$LDFLAGS $MKOSI_LDFLAGS $LDFLAGS"
OPTIONS=(
docs
!libtool
!staticlibs
emptydirs
!zipman
purge
$( ((WITH_DEBUG)) && echo strip || echo !strip)
$( ((WITH_DEBUG)) && echo debug || echo !debug)
!lto
)
EOF
TS="${SOURCE_DATE_EPOCH:-$(date +%s)}"
sed --in-place "pkg/$PKG_SUBDIR/PKGBUILD" \
--expression "s/^_tag=.*/_tag=$(cat meson.version)/" \
--expression "s/^pkgrel=.*/pkgrel=$(date "+%Y%m%d%H%M%S" --date "@$TS")/"
(
shopt -s nullglob
rm -f "$BUILDDIR"/*.pkg.tar
)
# We get around makepkg's root check by setting EUID to something else.
# Linting the PKGBUILD takes multiple seconds every build so avoid that by nuking all the linting functions.
# shellcheck disable=SC2046
env --chdir="pkg/$PKG_SUBDIR" \
EUID=123 \
MAKEPKG_LINT_PKGBUILD=0 \
makepkg \
--noextract \
--noprepare \
$( ((WITH_TESTS)) || echo --nocheck) \
--force \
_systemd_UPSTREAM=1 \
_systemd_QUIET=$( ((MESON_VERBOSE)); echo $? ) \
BUILDDIR="$PWD/pkg/$PKG_SUBDIR" \
PKGDEST="$BUILDDIR" \
PKGEXT=".pkg.tar" \
MESON_EXTRA_CONFIGURE_OPTIONS="$MKOSI_MESON_OPTIONS $MESON_OPTIONS"
cp "$BUILDDIR"/*.pkg.tar "$PACKAGEDIR"
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