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="$2" 293e2ab256SFrans Pop 30bf7b0055SRiku Voipio mkdir -m 755 -p "$pdir/DEBIAN" 31bf7b0055SRiku Voipio mkdir -p "$pdir/usr/share/doc/$pname" 329461f666SFrans Pop cp debian/copyright "$pdir/usr/share/doc/$pname/" 331ab18486Smaximilian attems cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" 341ab18486Smaximilian attems gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian" 35b59a1225SFEJES Jozsef sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ 36b59a1225SFEJES Jozsef | xargs -r0 md5sum > DEBIAN/md5sums" 379461f666SFrans Pop 383e2ab256SFrans Pop # Fix ownership and permissions 393e2ab256SFrans Pop chown -R root:root "$pdir" 403e2ab256SFrans Pop chmod -R go-w "$pdir" 41ca617dc6SHenning Schild # in case we are in a restrictive umask environment like 0077 42ca617dc6SHenning Schild chmod -R a+rX "$pdir" 433e2ab256SFrans Pop 44dca0c024SRiku Voipio # Create the package 45b41d920aSRiku Voipio dpkg-gencontrol -p$pname -P"$pdir" 461a7f0a34SMichał Mirosław dpkg-deb ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" .. 47dca0c024SRiku Voipio} 48dca0c024SRiku Voipio 493126c17dSMasahiro Yamadadeploy_kernel_headers () { 503126c17dSMasahiro Yamada pdir=$1 513126c17dSMasahiro Yamada 523126c17dSMasahiro Yamada rm -rf $pdir 533126c17dSMasahiro Yamada 543126c17dSMasahiro Yamada ( 553126c17dSMasahiro Yamada cd $srctree 563126c17dSMasahiro Yamada find . arch/$SRCARCH -maxdepth 1 -name Makefile\* 573126c17dSMasahiro Yamada find include scripts -type f -o -type l 58596b0474SMasahiro Yamada find arch/$SRCARCH -name Kbuild.platforms -o -name Platform 593126c17dSMasahiro Yamada find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f 603126c17dSMasahiro Yamada ) > debian/hdrsrcfiles 613126c17dSMasahiro Yamada 623126c17dSMasahiro Yamada { 633126c17dSMasahiro Yamada if is_enabled CONFIG_STACK_VALIDATION; then 643126c17dSMasahiro Yamada echo tools/objtool/objtool 653126c17dSMasahiro Yamada fi 663126c17dSMasahiro Yamada 673126c17dSMasahiro Yamada find arch/$SRCARCH/include Module.symvers include scripts -type f 683126c17dSMasahiro Yamada 693126c17dSMasahiro Yamada if is_enabled CONFIG_GCC_PLUGINS; then 703126c17dSMasahiro Yamada find scripts/gcc-plugins -name \*.so 713126c17dSMasahiro Yamada fi 723126c17dSMasahiro Yamada } > debian/hdrobjfiles 733126c17dSMasahiro Yamada 743126c17dSMasahiro Yamada destdir=$pdir/usr/src/linux-headers-$version 753126c17dSMasahiro Yamada mkdir -p $destdir 763126c17dSMasahiro Yamada tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir 773126c17dSMasahiro Yamada tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir 783126c17dSMasahiro Yamada rm -f debian/hdrsrcfiles debian/hdrobjfiles 793126c17dSMasahiro Yamada 803126c17dSMasahiro Yamada # copy .config manually to be where it's expected to be 813126c17dSMasahiro Yamada cp $KCONFIG_CONFIG $destdir/.config 823126c17dSMasahiro Yamada 833126c17dSMasahiro Yamada mkdir -p $pdir/lib/modules/$version/ 843126c17dSMasahiro Yamada ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build 853126c17dSMasahiro Yamada} 863126c17dSMasahiro Yamada 87451dff37SMasahiro Yamadadeploy_libc_headers () { 88451dff37SMasahiro Yamada pdir=$1 89451dff37SMasahiro Yamada 90451dff37SMasahiro Yamada rm -rf $pdir 91451dff37SMasahiro Yamada 92451dff37SMasahiro Yamada $MAKE -f $srctree/Makefile headers 93451dff37SMasahiro Yamada $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr 94451dff37SMasahiro Yamada 95451dff37SMasahiro Yamada # move asm headers to /usr/include/<libc-machine>/asm to match the structure 96451dff37SMasahiro Yamada # used by Debian-based distros (to support multi-arch) 97451dff37SMasahiro Yamada host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH) 98451dff37SMasahiro Yamada mkdir $pdir/usr/include/$host_arch 99451dff37SMasahiro Yamada mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/ 100451dff37SMasahiro Yamada} 101451dff37SMasahiro Yamada 1021da177e4SLinus Torvaldsversion=$KERNELRELEASE 103f9a4711eSMasahiro Yamadatmpdir=debian/linux-image 104f9a4711eSMasahiro Yamadadbg_dir=debian/linux-image-dbg 105f7a2c31fSmaximilian attemspackagename=linux-image-$version 106810e8437SAnisse Astierdbg_packagename=$packagename-dbg 107687c3dacSSam Ravnborg 1084f66199bSFrans Popif [ "$ARCH" = "um" ] ; then 109687c3dacSSam Ravnborg packagename=user-mode-linux-$version 110687c3dacSSam Ravnborgfi 1111da177e4SLinus Torvalds 1129de70176SAnisse Astier# Not all arches have the same installed path in debian 1139de70176SAnisse Astier# XXX: have each arch Makefile export a variable of the canonical image install 1149de70176SAnisse Astier# path instead 1159de70176SAnisse Astiercase $ARCH in 1169de70176SAnisse Astierum) 1179de70176SAnisse Astier installed_image_path="usr/bin/linux-$version" 1189de70176SAnisse Astier ;; 1199de70176SAnisse Astierparisc|mips|powerpc) 1209de70176SAnisse Astier installed_image_path="boot/vmlinux-$version" 1219de70176SAnisse Astier ;; 1229de70176SAnisse Astier*) 1239de70176SAnisse Astier installed_image_path="boot/vmlinuz-$version" 1249de70176SAnisse Astieresac 1259de70176SAnisse Astier 126515f4c63SMasahiro YamadaBUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes) 127810e8437SAnisse Astier 1281da177e4SLinus Torvalds# Setup the directory structure 129451dff37SMasahiro Yamadarm -rf "$tmpdir" "$dbg_dir" debian/files 130e86c2412Smaximilian attemsmkdir -m 755 -p "$tmpdir/DEBIAN" 131bf7b0055SRiku Voipiomkdir -p "$tmpdir/lib" "$tmpdir/boot" 1321da177e4SLinus Torvalds 133aae6a671SMasahiro Yamada# Install the kernel 1344f66199bSFrans Popif [ "$ARCH" = "um" ] ; then 135bf7b0055SRiku Voipio mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename" 136687c3dacSSam Ravnborg cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" 137d2091767SAnisse Astier cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config" 138687c3dacSSam Ravnborg gzip "$tmpdir/usr/share/doc/$packagename/config" 139687c3dacSSam Ravnborgelse 1401da177e4SLinus Torvalds cp System.map "$tmpdir/boot/System.map-$version" 141d2091767SAnisse Astier cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version" 1429de70176SAnisse Astierfi 14302826a6bSMasahiro Yamadacp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path" 1441da177e4SLinus Torvalds 145515f4c63SMasahiro Yamadaif is_enabled CONFIG_OF_EARLY_FLATTREE; then 146ca2a9d2cSArnaud Patard (Rtp) # Only some architectures with OF support have this target 147d5615e47SRob Herring if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then 148175209ccSMasahiro Yamada $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install 149ca2a9d2cSArnaud Patard (Rtp) fi 150ca2a9d2cSArnaud Patard (Rtp)fi 151ca2a9d2cSArnaud Patard (Rtp) 152515f4c63SMasahiro Yamadaif is_enabled CONFIG_MODULES; then 153175209ccSMasahiro Yamada INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install 154a47b6c61SJoerg Roedel rm -f "$tmpdir/lib/modules/$version/build" 155a47b6c61SJoerg Roedel rm -f "$tmpdir/lib/modules/$version/source" 1564f66199bSFrans Pop if [ "$ARCH" = "um" ] ; then 157687c3dacSSam Ravnborg mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" 158687c3dacSSam Ravnborg rmdir "$tmpdir/lib/modules/$version" 159687c3dacSSam Ravnborg fi 160810e8437SAnisse Astier if [ -n "$BUILD_DEBUG" ] ; then 1612d087139SMichal Marek for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do 1622d087139SMichal Marek module=lib/modules/$module 163810e8437SAnisse Astier mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module) 164810e8437SAnisse Astier # only keep debug symbols in the debug file 1652d087139SMichal Marek $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module 166810e8437SAnisse Astier # strip original module from debug symbols 1672d087139SMichal Marek $OBJCOPY --strip-debug $tmpdir/$module 168810e8437SAnisse Astier # then add a link to those 1692d087139SMichal Marek $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module 170810e8437SAnisse Astier done 17164178cb6SAndrey Skvortsov 17264178cb6SAndrey Skvortsov # resign stripped modules 173515f4c63SMasahiro Yamada if is_enabled CONFIG_MODULE_SIG_ALL; then 174175209ccSMasahiro Yamada INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign 17564178cb6SAndrey Skvortsov fi 176810e8437SAnisse Astier fi 1771da177e4SLinus Torvaldsfi 1781da177e4SLinus Torvalds 1791da177e4SLinus Torvalds# Install the maintainer scripts 180fe233cb6SFrans Pop# Note: hook scripts under /etc/kernel are also executed by official Debian 1811c8ddae0SBen Hutchings# kernel packages, as well as kernel packages built using make-kpkg. 1821c8ddae0SBen Hutchings# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and 1831c8ddae0SBen Hutchings# so do we; recent versions of dracut and initramfs-tools will obey this. 184fe233cb6SFrans Popdebhookdir=${KDEB_HOOKDIR:-/etc/kernel} 1851da177e4SLinus Torvaldsfor script in postinst postrm preinst prerm ; do 186fe233cb6SFrans Pop mkdir -p "$tmpdir$debhookdir/$script.d" 1871da177e4SLinus Torvalds cat <<EOF > "$tmpdir/DEBIAN/$script" 1881da177e4SLinus Torvalds#!/bin/sh 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvaldsset -e 1911da177e4SLinus Torvalds 1924964451aSFrans Pop# Pass maintainer script parameters to hook scripts 193241ad11fSmaximilian attemsexport DEB_MAINT_PARAMS="\$*" 1944964451aSFrans Pop 1951c8ddae0SBen Hutchings# Tell initramfs builder whether it's wanted 196515f4c63SMasahiro Yamadaexport INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No) 1971c8ddae0SBen Hutchings 198c95182bfSAnisse Astiertest -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d 1991da177e4SLinus Torvaldsexit 0 2001da177e4SLinus TorvaldsEOF 2011da177e4SLinus Torvalds chmod 755 "$tmpdir/DEBIAN/$script" 2021da177e4SLinus Torvaldsdone 2031da177e4SLinus Torvalds 204d7d357bcSJoerg Roedelif [ "$ARCH" != "um" ]; then 2053126c17dSMasahiro Yamada deploy_kernel_headers debian/linux-headers 2063126c17dSMasahiro Yamada create_package linux-headers-$version debian/linux-headers 2073126c17dSMasahiro Yamada 208451dff37SMasahiro Yamada deploy_libc_headers debian/linux-libc-dev 209451dff37SMasahiro Yamada create_package linux-libc-dev debian/linux-libc-dev 210d7d357bcSJoerg Roedelfi 211d7d357bcSJoerg Roedel 2123e2ab256SFrans Popcreate_package "$packagename" "$tmpdir" 2131da177e4SLinus Torvalds 214810e8437SAnisse Astierif [ -n "$BUILD_DEBUG" ] ; then 215810e8437SAnisse Astier # Build debug package 216810e8437SAnisse Astier # Different tools want the image in different locations 217810e8437SAnisse Astier # perf 218810e8437SAnisse Astier mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ 219810e8437SAnisse Astier cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ 220810e8437SAnisse Astier # systemtap 221810e8437SAnisse Astier mkdir -p $dbg_dir/usr/lib/debug/boot/ 222810e8437SAnisse Astier ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version 223810e8437SAnisse Astier # kdump-tools 224810e8437SAnisse Astier ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version 225810e8437SAnisse Astier create_package "$dbg_packagename" "$dbg_dir" 226810e8437SAnisse Astierfi 227810e8437SAnisse Astier 2281da177e4SLinus Torvaldsexit 0 229