diff options
Diffstat (limited to 'scripts/package/builddeb')
| -rwxr-xr-x | scripts/package/builddeb | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/scripts/package/builddeb b/scripts/package/builddeb new file mode 100755 index 0000000000..d7dd0d04c7 --- /dev/null +++ b/scripts/package/builddeb @@ -0,0 +1,219 @@ +#!/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 |