diff options
Diffstat (limited to 'scripts/package/builddeb')
| -rwxr-xr-x | scripts/package/builddeb | 167 |
1 files changed, 59 insertions, 108 deletions
diff --git a/scripts/package/builddeb b/scripts/package/builddeb index d7dd0d04c70c..3627ca227e5a 100755 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -5,12 +5,14 @@ # # 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. +# is left to other scripts and packages. Scripts can be placed into the +# preinst, postinst, prerm and postrm directories in /etc/kernel or +# /usr/share/kernel. A different list of search directories can be given +# via KDEB_HOOKDIR. Scripts in directories earlier in the list will +# override scripts of the same name in later directories. The script will +# be called on package installation and removal. -set -e +set -eu is_enabled() { grep -q "^$1=y" include/config/auto.conf @@ -24,45 +26,16 @@ if_enabled_echo() { 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} + pname=$1 + pdir=debian/$1 # Only some architectures with OF support have this target if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${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 + ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" INSTALL_MOD_STRIP=1 modules_install rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build" # Install the kernel @@ -92,18 +65,21 @@ install_linux_image () { esac cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}" + if [ "${ARCH}" != um ]; then + install_maint_scripts "${pdir}" + fi +} + +install_maint_scripts () { # 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} + debhookdir=${KDEB_HOOKDIR:-/etc/kernel /usr/share/kernel} for script in postinst postrm preinst prerm; do - mkdir -p "${pdir}${debhookdir}/${script}.d" - mkdir -p "${pdir}/DEBIAN" cat <<-EOF > "${pdir}/DEBIAN/${script}" - #!/bin/sh set -e @@ -114,7 +90,15 @@ install_linux_image () { # Tell initramfs builder whether it's wanted export INITRD=$(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 + # run-parts will error out if one of its directory arguments does not + # exist, so filter the list of hook directories accordingly. + hookdirs= + for dir in ${debhookdir}; do + test -d "\$dir/${script}.d" || continue + hookdirs="\$hookdirs \$dir/${script}.d" + done + hookdirs="\${hookdirs# }" + test -n "\$hookdirs" && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" \$hookdirs exit 0 EOF chmod 755 "${pdir}/DEBIAN/${script}" @@ -122,25 +106,21 @@ install_linux_image () { } 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 + pdir=debian/$1 + + # Parse modules.order directly because 'make modules_install' may sign, + # compress modules, and then run unneeded depmod. + if is_enabled CONFIG_MODULES; then + while read -r mod; do + mod="${mod%.o}.ko" + dbg="${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/kernel/${mod}" + buildid=$("${READELF}" -n "${mod}" | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p') + link="${pdir}/usr/lib/debug/.build-id/${buildid}.debug" + + mkdir -p "${dbg%/*}" "${link%/*}" + "${OBJCOPY}" --only-keep-debug "${mod}" "${dbg}" + ln -sf --relative "${dbg}" "${link}" + done < modules.order fi # Build debug package @@ -156,64 +136,35 @@ install_linux_image_dbg () { } install_kernel_headers () { - pdir=$1 - version=$2 - - rm -rf $pdir + pdir=debian/$1 + version=${1#linux-headers-} - "${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}" + CC="${DEB_HOST_GNU_TYPE}-gcc" "${srctree}/scripts/package/install-extmod-build" "${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 + pdir=debian/$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/ + mkdir "$pdir/usr/include/${DEB_HOST_MULTIARCH}" + mv "$pdir/usr/include/asm" "$pdir/usr/include/${DEB_HOST_MULTIARCH}" } -rm -f debian/files - -packages_enabled=$(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 +package=$1 + +case "${package}" in +*-dbg) + install_linux_image_dbg "${package}";; +linux-image-*|user-mode-linux-*) + install_linux_image "${package}";; +linux-libc-dev) + install_libc_headers "${package}";; +linux-headers-*) + install_kernel_headers "${package}";; +esac |