diff options
Diffstat (limited to 'scripts/package/builddeb')
| -rwxr-xr-x | scripts/package/builddeb | 321 |
1 files changed, 147 insertions, 174 deletions
diff --git a/scripts/package/builddeb b/scripts/package/builddeb index f43a274f4f1d..3627ca227e5a 100755 --- a/scripts/package/builddeb +++ b/scripts/package/builddeb @@ -5,193 +5,166 @@ # # 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 - -create_package() { - local pname="$1" pdir="$2" - - mkdir -m 755 -p "$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 -9 "$pdir/usr/share/doc/$pname/changelog.Debian" - sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ - | xargs -r0 md5sum > DEBIAN/md5sums" - - # Fix ownership and permissions - chown -R root:root "$pdir" - chmod -R go-w "$pdir" - # in case we are in a restrictive umask environment like 0077 - chmod -R a+rX "$pdir" - - # Create the package - dpkg-gencontrol -p$pname -P"$pdir" - dpkg --build "$pdir" .. +# 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 -eu + +is_enabled() { + grep -q "^$1=y" include/config/auto.conf } -version=$KERNELRELEASE -tmpdir="$objtree/debian/tmp" -kernel_headers_dir="$objtree/debian/hdrtmp" -libc_headers_dir="$objtree/debian/headertmp" -dbg_dir="$objtree/debian/dbgtmp" -packagename=linux-image-$version -kernel_headers_packagename=linux-headers-$version -libc_headers_packagename=linux-libc-dev -dbg_packagename=$packagename-dbg - -if [ "$ARCH" = "um" ] ; then - packagename=user-mode-linux-$version -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 $ARCH in -um) - installed_image_path="usr/bin/linux-$version" - ;; -parisc|mips|powerpc) - installed_image_path="boot/vmlinux-$version" - ;; -*) - installed_image_path="boot/vmlinuz-$version" -esac +if_enabled_echo() { + if is_enabled "$1"; then + echo -n "$2" + elif [ $# -ge 3 ]; then + echo -n "$3" + fi +} + +install_linux_image () { + pname=$1 + pdir=debian/$1 -BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)" - -# Setup the directory structure -rm -rf "$tmpdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files -mkdir -m 755 -p "$tmpdir/DEBIAN" -mkdir -p "$tmpdir/lib" "$tmpdir/boot" -mkdir -p "$kernel_headers_dir/lib/modules/$version/" - -# Build and install the kernel -if [ "$ARCH" = "um" ] ; then - mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename" - $MAKE linux - cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" - cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config" - gzip "$tmpdir/usr/share/doc/$packagename/config" -else - cp System.map "$tmpdir/boot/System.map-$version" - cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version" -fi -cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path" - -if grep -q "^CONFIG_OF_EARLY_FLATTREE=y" $KCONFIG_CONFIG ; then # Only some architectures with OF support have this target - if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then - $MAKE KBUILD_SRC= INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install + if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then + ${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install fi -fi - -if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then - INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install - rm -f "$tmpdir/lib/modules/$version/build" - rm -f "$tmpdir/lib/modules/$version/source" - if [ "$ARCH" = "um" ] ; then - mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" - rmdir "$tmpdir/lib/modules/$version" + + ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" INSTALL_MOD_STRIP=1 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}/${installed_image_path}" + + if [ "${ARCH}" != um ]; then + install_maint_scripts "${pdir}" fi - if [ -n "$BUILD_DEBUG" ] ; then - for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do - module=lib/modules/$module - mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module) - # only keep debug symbols in the debug file - $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module - # strip original module from debug symbols - $OBJCOPY --strip-debug $tmpdir/$module - # then add a link to those - $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module +} + +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 /usr/share/kernel} + for script in postinst postrm preinst prerm; do + 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) + + # 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/${script}" + done +} - # resign stripped modules - MODULE_SIG_ALL="$(grep -s '^CONFIG_MODULE_SIG_ALL=y' $KCONFIG_CONFIG || true)" - if [ -n "$MODULE_SIG_ALL" ]; then - INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_sign - fi +install_linux_image_dbg () { + 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}" "${link}" + done < modules.order fi -fi - -if [ "$ARCH" != "um" ]; then - $MAKE headers_check KBUILD_SRC= - $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr" -fi - -# 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} -if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then - want_initrd=Yes -else - want_initrd=No -fi -for script in postinst postrm preinst prerm ; do - mkdir -p "$tmpdir$debhookdir/$script.d" - cat <<EOF > "$tmpdir/DEBIAN/$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=$want_initrd - -test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d -exit 0 -EOF - chmod 755 "$tmpdir/DEBIAN/$script" -done - -# Build kernel header package -(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles" -(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles" -(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles" -(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles" -if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then - (cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles" -fi -(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles" -if grep -q '^CONFIG_GCC_PLUGINS=y' $KCONFIG_CONFIG ; then - (cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles" -fi -destdir=$kernel_headers_dir/usr/src/linux-headers-$version -mkdir -p "$destdir" -(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -) -(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -) -(cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be -ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build" -rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles" - -if [ "$ARCH" != "um" ]; then - create_package "$kernel_headers_packagename" "$kernel_headers_dir" - create_package "$libc_headers_packagename" "$libc_headers_dir" -fi - -create_package "$packagename" "$tmpdir" - -if [ -n "$BUILD_DEBUG" ] ; then # Build debug package # Different tools want the image in different locations # perf - mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ - cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ + mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/ + cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/ # systemtap - mkdir -p $dbg_dir/usr/lib/debug/boot/ - ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version + 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/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version - create_package "$dbg_packagename" "$dbg_dir" -fi + ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE} +} + +install_kernel_headers () { + pdir=debian/$1 + version=${1#linux-headers-} + + 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 +} -exit 0 +install_libc_headers () { + pdir=debian/$1 + + $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) + mkdir "$pdir/usr/include/${DEB_HOST_MULTIARCH}" + mv "$pdir/usr/include/asm" "$pdir/usr/include/${DEB_HOST_MULTIARCH}" +} + +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 |