11da177e4SLinus Torvalds#!/bin/sh 21da177e4SLinus Torvalds# 34964451aSFrans Pop# builddeb 1.3 41da177e4SLinus Torvalds# Copyright 2003 Wichert Akkerman <wichert@wiggy.net> 51da177e4SLinus Torvalds# 61da177e4SLinus Torvalds# Simple script to generate a deb package for a Linux kernel. All the 74f66199bSFrans Pop# complexity of what to do with a kernel after it is installed or removed 81da177e4SLinus Torvalds# is left to other scripts and packages: they can install scripts in the 9fe233cb6SFrans Pop# /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location 10fe233cb6SFrans Pop# specified in KDEB_HOOKDIR) that will be called on package install and 11fe233cb6SFrans Pop# removal. 121da177e4SLinus Torvalds 131da177e4SLinus Torvaldsset -e 141da177e4SLinus Torvalds 15515f4c63SMasahiro Yamadais_enabled() { 166fb7ef5aSMasahiro Yamada grep -q "^$1=y" include/config/auto.conf 17515f4c63SMasahiro Yamada} 18515f4c63SMasahiro Yamada 19515f4c63SMasahiro Yamadaif_enabled_echo() { 20515f4c63SMasahiro Yamada if is_enabled "$1"; then 21515f4c63SMasahiro Yamada echo -n "$2" 22515f4c63SMasahiro Yamada elif [ $# -ge 3 ]; then 23515f4c63SMasahiro Yamada echo -n "$3" 24515f4c63SMasahiro Yamada fi 25515f4c63SMasahiro Yamada} 26515f4c63SMasahiro Yamada 273e2ab256SFrans Popcreate_package() { 283e2ab256SFrans Pop local pname="$1" pdir="$2" 293e854180SGuillem Jover local dpkg_deb_opts 303e2ab256SFrans Pop 31bf7b0055SRiku Voipio mkdir -m 755 -p "$pdir/DEBIAN" 32bf7b0055SRiku Voipio mkdir -p "$pdir/usr/share/doc/$pname" 339461f666SFrans Pop cp debian/copyright "$pdir/usr/share/doc/$pname/" 341ab18486Smaximilian attems cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" 3551ccdbfbSGuillem Jover gzip -n -9 "$pdir/usr/share/doc/$pname/changelog.Debian" 36b59a1225SFEJES Jozsef sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ 37b59a1225SFEJES Jozsef | xargs -r0 md5sum > DEBIAN/md5sums" 389461f666SFrans Pop 393e2ab256SFrans Pop # Fix ownership and permissions 403e854180SGuillem Jover if [ "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then 413e854180SGuillem Jover dpkg_deb_opts="--root-owner-group" 423e854180SGuillem Jover else 433e2ab256SFrans Pop chown -R root:root "$pdir" 443e854180SGuillem Jover fi 45a5e40d86SSven Joachim # a+rX in case we are in a restrictive umask environment like 0077 46a5e40d86SSven Joachim # ug-s in case we build in a setuid/setgid directory 47a5e40d86SSven Joachim chmod -R go-w,a+rX,ug-s "$pdir" 483e2ab256SFrans Pop 49dca0c024SRiku Voipio # Create the package 50b41d920aSRiku Voipio dpkg-gencontrol -p$pname -P"$pdir" 513e854180SGuillem Jover dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" .. 52dca0c024SRiku Voipio} 53dca0c024SRiku Voipio 54b611daaeSMasahiro Yamadainstall_linux_image () { 55b611daaeSMasahiro Yamada pdir=$1 56b611daaeSMasahiro Yamada pname=$2 57b611daaeSMasahiro Yamada 58b611daaeSMasahiro Yamada rm -rf ${pdir} 59b611daaeSMasahiro Yamada 60b611daaeSMasahiro Yamada # Only some architectures with OF support have this target 61b611daaeSMasahiro Yamada if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then 62b611daaeSMasahiro Yamada ${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install 63b611daaeSMasahiro Yamada fi 64b611daaeSMasahiro Yamada 65b611daaeSMasahiro Yamada ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" modules_install 66b611daaeSMasahiro Yamada rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build" 67b611daaeSMasahiro Yamada rm -f "${pdir}/lib/modules/${KERNELRELEASE}/source" 68b611daaeSMasahiro Yamada 69b611daaeSMasahiro Yamada # Install the kernel 70b611daaeSMasahiro Yamada if [ "${ARCH}" = um ] ; then 71*1240dabeSMasahiro Yamada mkdir -p "${pdir}/usr/lib/uml/modules" 72*1240dabeSMasahiro Yamada mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}" 73b611daaeSMasahiro Yamada mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}" 74b611daaeSMasahiro Yamada cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map" 75b611daaeSMasahiro Yamada cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config" 76b611daaeSMasahiro Yamada gzip "${pdir}/usr/share/doc/${pname}/config" 77b611daaeSMasahiro Yamada else 78b611daaeSMasahiro Yamada mkdir -p "${pdir}/boot" 79b611daaeSMasahiro Yamada cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}" 80b611daaeSMasahiro Yamada cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}" 81b611daaeSMasahiro Yamada fi 82b611daaeSMasahiro Yamada 83b611daaeSMasahiro Yamada # Not all arches have the same installed path in debian 84b611daaeSMasahiro Yamada # XXX: have each arch Makefile export a variable of the canonical image install 85b611daaeSMasahiro Yamada # path instead 86b611daaeSMasahiro Yamada case "${SRCARCH}" in 87b611daaeSMasahiro Yamada um) 88b611daaeSMasahiro Yamada installed_image_path="usr/bin/linux-${KERNELRELEASE}";; 89b611daaeSMasahiro Yamada parisc|mips|powerpc) 90b611daaeSMasahiro Yamada installed_image_path="boot/vmlinux-${KERNELRELEASE}";; 91b611daaeSMasahiro Yamada *) 92b611daaeSMasahiro Yamada installed_image_path="boot/vmlinuz-${KERNELRELEASE}";; 93b611daaeSMasahiro Yamada esac 94b611daaeSMasahiro Yamada cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}" 95b611daaeSMasahiro Yamada 96b611daaeSMasahiro Yamada # Install the maintainer scripts 97b611daaeSMasahiro Yamada # Note: hook scripts under /etc/kernel are also executed by official Debian 98b611daaeSMasahiro Yamada # kernel packages, as well as kernel packages built using make-kpkg. 99b611daaeSMasahiro Yamada # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and 100b611daaeSMasahiro Yamada # so do we; recent versions of dracut and initramfs-tools will obey this. 101b611daaeSMasahiro Yamada debhookdir=${KDEB_HOOKDIR:-/etc/kernel} 102b611daaeSMasahiro Yamada for script in postinst postrm preinst prerm; do 103b611daaeSMasahiro Yamada mkdir -p "${pdir}${debhookdir}/${script}.d" 104b611daaeSMasahiro Yamada 105b611daaeSMasahiro Yamada mkdir -p "${pdir}/DEBIAN" 106b611daaeSMasahiro Yamada cat <<-EOF > "${pdir}/DEBIAN/${script}" 107b611daaeSMasahiro Yamada 108b611daaeSMasahiro Yamada #!/bin/sh 109b611daaeSMasahiro Yamada 110b611daaeSMasahiro Yamada set -e 111b611daaeSMasahiro Yamada 112b611daaeSMasahiro Yamada # Pass maintainer script parameters to hook scripts 113b611daaeSMasahiro Yamada export DEB_MAINT_PARAMS="\$*" 114b611daaeSMasahiro Yamada 115b611daaeSMasahiro Yamada # Tell initramfs builder whether it's wanted 116b611daaeSMasahiro Yamada export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No) 117b611daaeSMasahiro Yamada 118b611daaeSMasahiro Yamada test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d 119b611daaeSMasahiro Yamada exit 0 120b611daaeSMasahiro Yamada EOF 121b611daaeSMasahiro Yamada chmod 755 "${pdir}/DEBIAN/${script}" 122b611daaeSMasahiro Yamada done 123b611daaeSMasahiro Yamada} 124b611daaeSMasahiro Yamada 125b611daaeSMasahiro Yamadainstall_linux_image_dbg () { 126b611daaeSMasahiro Yamada pdir=$1 127b611daaeSMasahiro Yamada image_pdir=$2 128b611daaeSMasahiro Yamada 129b611daaeSMasahiro Yamada rm -rf ${pdir} 130b611daaeSMasahiro Yamada 131b611daaeSMasahiro Yamada for module in $(find ${image_pdir}/lib/modules/ -name *.ko -printf '%P\n'); do 132b611daaeSMasahiro Yamada module=lib/modules/${module} 133b611daaeSMasahiro Yamada mkdir -p $(dirname ${pdir}/usr/lib/debug/${module}) 134b611daaeSMasahiro Yamada # only keep debug symbols in the debug file 135b611daaeSMasahiro Yamada ${OBJCOPY} --only-keep-debug ${image_pdir}/${module} ${pdir}/usr/lib/debug/${module} 136b611daaeSMasahiro Yamada # strip original module from debug symbols 137b611daaeSMasahiro Yamada ${OBJCOPY} --strip-debug ${image_pdir}/${module} 138b611daaeSMasahiro Yamada # then add a link to those 139b611daaeSMasahiro Yamada ${OBJCOPY} --add-gnu-debuglink=${pdir}/usr/lib/debug/${module} ${image_pdir}/${module} 140b611daaeSMasahiro Yamada done 141b611daaeSMasahiro Yamada 142b611daaeSMasahiro Yamada # re-sign stripped modules 143b611daaeSMasahiro Yamada if is_enabled CONFIG_MODULE_SIG_ALL; then 144b611daaeSMasahiro Yamada ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${image_pdir}" modules_sign 145b611daaeSMasahiro Yamada fi 146b611daaeSMasahiro Yamada 147b611daaeSMasahiro Yamada # Build debug package 148b611daaeSMasahiro Yamada # Different tools want the image in different locations 149b611daaeSMasahiro Yamada # perf 150b611daaeSMasahiro Yamada mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/ 151b611daaeSMasahiro Yamada cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/ 152b611daaeSMasahiro Yamada # systemtap 153b611daaeSMasahiro Yamada mkdir -p ${pdir}/usr/lib/debug/boot/ 154b611daaeSMasahiro Yamada ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE} 155b611daaeSMasahiro Yamada # kdump-tools 156b611daaeSMasahiro Yamada ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE} 157b611daaeSMasahiro Yamada} 158b611daaeSMasahiro Yamada 15936862e14SMasahiro Yamadainstall_kernel_headers () { 1603126c17dSMasahiro Yamada pdir=$1 1613ced71d2SKevin Locke version=$2 1623126c17dSMasahiro Yamada 1633126c17dSMasahiro Yamada rm -rf $pdir 1643126c17dSMasahiro Yamada 1653126c17dSMasahiro Yamada ( 1663126c17dSMasahiro Yamada cd $srctree 1673126c17dSMasahiro Yamada find . arch/$SRCARCH -maxdepth 1 -name Makefile\* 1683126c17dSMasahiro Yamada find include scripts -type f -o -type l 169596b0474SMasahiro Yamada find arch/$SRCARCH -name Kbuild.platforms -o -name Platform 1703126c17dSMasahiro Yamada find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f 1713126c17dSMasahiro Yamada ) > debian/hdrsrcfiles 1723126c17dSMasahiro Yamada 1733126c17dSMasahiro Yamada { 17403f16cd0SJosh Poimboeuf if is_enabled CONFIG_OBJTOOL; then 1753126c17dSMasahiro Yamada echo tools/objtool/objtool 1763126c17dSMasahiro Yamada fi 1773126c17dSMasahiro Yamada 1783126c17dSMasahiro Yamada find arch/$SRCARCH/include Module.symvers include scripts -type f 1793126c17dSMasahiro Yamada 1803126c17dSMasahiro Yamada if is_enabled CONFIG_GCC_PLUGINS; then 1813126c17dSMasahiro Yamada find scripts/gcc-plugins -name \*.so 1823126c17dSMasahiro Yamada fi 1833126c17dSMasahiro Yamada } > debian/hdrobjfiles 1843126c17dSMasahiro Yamada 1853126c17dSMasahiro Yamada destdir=$pdir/usr/src/linux-headers-$version 1863126c17dSMasahiro Yamada mkdir -p $destdir 1873126c17dSMasahiro Yamada tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir 1883126c17dSMasahiro Yamada tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir 1893126c17dSMasahiro Yamada rm -f debian/hdrsrcfiles debian/hdrobjfiles 1903126c17dSMasahiro Yamada 1913126c17dSMasahiro Yamada # copy .config manually to be where it's expected to be 1923126c17dSMasahiro Yamada cp $KCONFIG_CONFIG $destdir/.config 1933126c17dSMasahiro Yamada 1943126c17dSMasahiro Yamada mkdir -p $pdir/lib/modules/$version/ 1953126c17dSMasahiro Yamada ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build 1963126c17dSMasahiro Yamada} 1973126c17dSMasahiro Yamada 19836862e14SMasahiro Yamadainstall_libc_headers () { 199451dff37SMasahiro Yamada pdir=$1 200451dff37SMasahiro Yamada 201451dff37SMasahiro Yamada rm -rf $pdir 202451dff37SMasahiro Yamada 203451dff37SMasahiro Yamada $MAKE -f $srctree/Makefile headers 204451dff37SMasahiro Yamada $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr 205451dff37SMasahiro Yamada 206451dff37SMasahiro Yamada # move asm headers to /usr/include/<libc-machine>/asm to match the structure 207451dff37SMasahiro Yamada # used by Debian-based distros (to support multi-arch) 208491b146dSBastian Germann host_arch=$(dpkg-architecture -a$DEB_HOST_ARCH -qDEB_HOST_MULTIARCH) 209451dff37SMasahiro Yamada mkdir $pdir/usr/include/$host_arch 210451dff37SMasahiro Yamada mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/ 211451dff37SMasahiro Yamada} 212451dff37SMasahiro Yamada 213b611daaeSMasahiro Yamadarm -f debian/files 2141da177e4SLinus Torvalds 21536862e14SMasahiro Yamadapackages_enabled=$(dh_listpackages) 2163126c17dSMasahiro Yamada 21736862e14SMasahiro Yamadafor package in ${packages_enabled} 21836862e14SMasahiro Yamadado 21936862e14SMasahiro Yamada case ${package} in 22036862e14SMasahiro Yamada *-dbg) 22136862e14SMasahiro Yamada # This must be done after linux-image, that is, we expect the 22236862e14SMasahiro Yamada # debug package appears after linux-image in debian/control. 22336862e14SMasahiro Yamada install_linux_image_dbg debian/linux-image-dbg debian/linux-image;; 22436862e14SMasahiro Yamada linux-image-*|user-mode-linux-*) 22536862e14SMasahiro Yamada install_linux_image debian/linux-image ${package};; 22636862e14SMasahiro Yamada linux-libc-dev) 22736862e14SMasahiro Yamada install_libc_headers debian/linux-libc-dev;; 22836862e14SMasahiro Yamada linux-headers-*) 2293ced71d2SKevin Locke install_kernel_headers debian/linux-headers ${package#linux-headers-};; 23036862e14SMasahiro Yamada esac 23136862e14SMasahiro Yamadadone 232d7d357bcSJoerg Roedel 23336862e14SMasahiro Yamadafor package in ${packages_enabled} 23436862e14SMasahiro Yamadado 23536862e14SMasahiro Yamada case ${package} in 23636862e14SMasahiro Yamada *-dbg) 23736862e14SMasahiro Yamada create_package ${package} debian/linux-image-dbg;; 23836862e14SMasahiro Yamada linux-image-*|user-mode-linux-*) 23936862e14SMasahiro Yamada create_package ${package} debian/linux-image;; 24036862e14SMasahiro Yamada linux-libc-dev) 24136862e14SMasahiro Yamada create_package ${package} debian/linux-libc-dev;; 24236862e14SMasahiro Yamada linux-headers-*) 24336862e14SMasahiro Yamada create_package ${package} debian/linux-headers;; 24436862e14SMasahiro Yamada esac 24536862e14SMasahiro Yamadadone 246b611daaeSMasahiro Yamada 2471da177e4SLinus Torvaldsexit 0 248