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|
#!/bin/sh
#
# builddeb 1.3
# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
#
# Simple script to generate a deb package for a Linux kernel. All the
# complexity of what to do with a kernel after it is installed or removed
# is left to other scripts and packages: they can install scripts in the
# /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location
# specified in KDEB_HOOKDIR) that will be called on package install and
# removal.
set -e
is_enabled() {
grep -q "^$1=y" include/config/auto.conf
}
if_enabled_echo() {
if is_enabled "$1"; then
echo -n "$2"
elif [ $# -ge 3 ]; then
echo -n "$3"
fi
}
create_package() {
local pname="$1" pdir="$2"
local dpkg_deb_opts
mkdir -m 755 -p "$pdir/DEBIAN"
mkdir -p "$pdir/usr/share/doc/$pname"
cp debian/copyright "$pdir/usr/share/doc/$pname/"
cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
gzip -n -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
| xargs -r0 md5sum > DEBIAN/md5sums"
# Fix ownership and permissions
if [ "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then
dpkg_deb_opts="--root-owner-group"
else
chown -R root:root "$pdir"
fi
# a+rX in case we are in a restrictive umask environment like 0077
# ug-s in case we build in a setuid/setgid directory
chmod -R go-w,a+rX,ug-s "$pdir"
# Create the package
dpkg-gencontrol -p$pname -P"$pdir"
dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" ..
}
install_linux_image () {
pdir=$1
pname=$2
rm -rf ${pdir}
# Only some architectures with OF support have this target
if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install
fi
${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" modules_install
rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"
# Install the kernel
if [ "${ARCH}" = um ] ; then
mkdir -p "${pdir}/usr/lib/uml/modules"
mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}"
mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}"
cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map"
cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config"
gzip "${pdir}/usr/share/doc/${pname}/config"
else
mkdir -p "${pdir}/boot"
cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}"
cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}"
fi
# Not all arches have the same installed path in debian
# XXX: have each arch Makefile export a variable of the canonical image install
# path instead
case "${SRCARCH}" in
um)
installed_image_path="usr/bin/linux-${KERNELRELEASE}";;
parisc|mips|powerpc)
installed_image_path="boot/vmlinux-${KERNELRELEASE}";;
*)
installed_image_path="boot/vmlinuz-${KERNELRELEASE}";;
esac
cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"
# Install the maintainer scripts
# Note: hook scripts under /etc/kernel are also executed by official Debian
# kernel packages, as well as kernel packages built using make-kpkg.
# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
# so do we; recent versions of dracut and initramfs-tools will obey this.
debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
for script in postinst postrm preinst prerm; do
mkdir -p "${pdir}${debhookdir}/${script}.d"
mkdir -p "${pdir}/DEBIAN"
cat <<-EOF > "${pdir}/DEBIAN/${script}"
#!/bin/sh
set -e
# Pass maintainer script parameters to hook scripts
export DEB_MAINT_PARAMS="\$*"
# Tell initramfs builder whether it's wanted
export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d
exit 0
EOF
chmod 755 "${pdir}/DEBIAN/${script}"
done
}
install_linux_image_dbg () {
pdir=$1
image_pdir=$2
rm -rf ${pdir}
for module in $(find ${image_pdir}/lib/modules/ -name *.ko -printf '%P\n'); do
module=lib/modules/${module}
mkdir -p $(dirname ${pdir}/usr/lib/debug/${module})
# only keep debug symbols in the debug file
${OBJCOPY} --only-keep-debug ${image_pdir}/${module} ${pdir}/usr/lib/debug/${module}
# strip original module from debug symbols
${OBJCOPY} --strip-debug ${image_pdir}/${module}
# then add a link to those
${OBJCOPY} --add-gnu-debuglink=${pdir}/usr/lib/debug/${module} ${image_pdir}/${module}
done
# re-sign stripped modules
if is_enabled CONFIG_MODULE_SIG_ALL; then
${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${image_pdir}" modules_sign
fi
# Build debug package
# Different tools want the image in different locations
# perf
mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
# systemtap
mkdir -p ${pdir}/usr/lib/debug/boot/
ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE}
# kdump-tools
ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE}
}
install_kernel_headers () {
pdir=$1
version=$2
rm -rf $pdir
"${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
mkdir -p $pdir/lib/modules/$version/
ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
}
install_libc_headers () {
pdir=$1
rm -rf $pdir
$MAKE -f $srctree/Makefile headers
$MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
# move asm headers to /usr/include/<libc-machine>/asm to match the structure
# used by Debian-based distros (to support multi-arch)
host_arch=$(dpkg-architecture -a$DEB_HOST_ARCH -qDEB_HOST_MULTIARCH)
mkdir $pdir/usr/include/$host_arch
mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/
}
rm -f debian/files
packages_enabled=$(dh_listpackages)
for package in ${packages_enabled}
do
case ${package} in
*-dbg)
# This must be done after linux-image, that is, we expect the
# debug package appears after linux-image in debian/control.
install_linux_image_dbg debian/linux-image-dbg debian/linux-image;;
linux-image-*|user-mode-linux-*)
install_linux_image debian/linux-image ${package};;
linux-libc-dev)
install_libc_headers debian/linux-libc-dev;;
linux-headers-*)
install_kernel_headers debian/linux-headers ${package#linux-headers-};;
esac
done
for package in ${packages_enabled}
do
case ${package} in
*-dbg)
create_package ${package} debian/linux-image-dbg;;
linux-image-*|user-mode-linux-*)
create_package ${package} debian/linux-image;;
linux-libc-dev)
create_package ${package} debian/linux-libc-dev;;
linux-headers-*)
create_package ${package} debian/linux-headers;;
esac
done
exit 0
|
