1#!/bin/sh 2# 3# builddeb 1.3 4# Copyright 2003 Wichert Akkerman <wichert@wiggy.net> 5# 6# Simple script to generate a deb package for a Linux kernel. All the 7# complexity of what to do with a kernel after it is installed or removed 8# is left to other scripts and packages: they can install scripts in the 9# /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location 10# specified in KDEB_HOOKDIR) that will be called on package install and 11# removal. 12 13set -e 14 15create_package() { 16 local pname="$1" pdir="$2" 17 18 cp debian/copyright "$pdir/usr/share/doc/$pname/" 19 cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" 20 gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian" 21 sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ 22 | xargs -r0 md5sum > DEBIAN/md5sums" 23 24 # Fix ownership and permissions 25 chown -R root:root "$pdir" 26 chmod -R go-w "$pdir" 27 28 # Create the package 29 dpkg-gencontrol -isp -p$pname -P"$pdir" 30 dpkg --build "$pdir" .. 31} 32 33# Some variables and settings used throughout the script 34version=$KERNELRELEASE 35revision=$(cat .version) 36if [ -n "$KDEB_PKGVERSION" ]; then 37 packageversion=$KDEB_PKGVERSION 38else 39 packageversion=$version-$revision 40fi 41tmpdir="$objtree/debian/tmp" 42fwdir="$objtree/debian/fwtmp" 43packagename=linux-image-$version 44fwpackagename=linux-firmware-image 45 46if [ "$ARCH" = "um" ] ; then 47 packagename=user-mode-linux-$version 48fi 49 50# Setup the directory structure 51rm -rf "$tmpdir" "$fwdir" 52mkdir -p "$tmpdir/DEBIAN" "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename" 53mkdir -p "$fwdir/DEBIAN" "$fwdir/lib" "$fwdir/usr/share/doc/$fwpackagename" 54if [ "$ARCH" = "um" ] ; then 55 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" 56fi 57 58# Build and install the kernel 59if [ "$ARCH" = "um" ] ; then 60 $MAKE linux 61 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" 62 cp .config "$tmpdir/usr/share/doc/$packagename/config" 63 gzip "$tmpdir/usr/share/doc/$packagename/config" 64 cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version" 65else 66 cp System.map "$tmpdir/boot/System.map-$version" 67 cp .config "$tmpdir/boot/config-$version" 68 # Not all arches include the boot path in KBUILD_IMAGE 69 if [ -e $KBUILD_IMAGE ]; then 70 cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version" 71 else 72 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version" 73 fi 74fi 75 76if grep -q '^CONFIG_MODULES=y' .config ; then 77 INSTALL_MOD_PATH="$tmpdir" make KBUILD_SRC= modules_install 78 if [ "$ARCH" = "um" ] ; then 79 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" 80 rmdir "$tmpdir/lib/modules/$version" 81 fi 82fi 83 84# Install the maintainer scripts 85# Note: hook scripts under /etc/kernel are also executed by official Debian 86# kernel packages, as well as kernel packages built using make-kpkg 87debhookdir=${KDEB_HOOKDIR:-/etc/kernel} 88for script in postinst postrm preinst prerm ; do 89 mkdir -p "$tmpdir$debhookdir/$script.d" 90 cat <<EOF > "$tmpdir/DEBIAN/$script" 91#!/bin/sh 92 93set -e 94 95# Pass maintainer script parameters to hook scripts 96export DEB_MAINT_PARAMS="\$*" 97 98test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d 99exit 0 100EOF 101 chmod 755 "$tmpdir/DEBIAN/$script" 102done 103 104# Try to determine maintainer and email values 105if [ -n "$DEBEMAIL" ]; then 106 email=$DEBEMAIL 107elif [ -n "$EMAIL" ]; then 108 email=$EMAIL 109else 110 email=$(id -nu)@$(hostname -f) 111fi 112if [ -n "$DEBFULLNAME" ]; then 113 name=$DEBFULLNAME 114elif [ -n "$NAME" ]; then 115 name=$NAME 116else 117 name="Anonymous" 118fi 119maintainer="$name <$email>" 120 121# Generate a simple changelog template 122cat <<EOF > debian/changelog 123linux-upstream ($packageversion) unstable; urgency=low 124 125 * Custom built Linux kernel. 126 127 -- $maintainer $(date -R) 128EOF 129 130# Generate copyright file 131cat <<EOF > debian/copyright 132This is a packacked upstream version of the Linux kernel. 133 134The sources may be found at most Linux ftp sites, including: 135ftp://ftp.kernel.org/pub/linux/kernel 136 137Copyright: 1991 - 2009 Linus Torvalds and others. 138 139The git repository for mainline kernel development is at: 140git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git 141 142 This program is free software; you can redistribute it and/or modify 143 it under the terms of the GNU General Public License as published by 144 the Free Software Foundation; version 2 dated June, 1991. 145 146On Debian GNU/Linux systems, the complete text of the GNU General Public 147License version 2 can be found in \`/usr/share/common-licenses/GPL-2'. 148EOF 149 150# Generate a control file 151cat <<EOF > debian/control 152Source: linux-upstream 153Section: kernel 154Priority: optional 155Maintainer: $maintainer 156Standards-Version: 3.8.4 157Homepage: http://www.kernel.org/ 158EOF 159 160if [ "$ARCH" = "um" ]; then 161 cat <<EOF >> debian/control 162 163Package: $packagename 164Provides: linux-image, linux-image-2.6, linux-modules-$version 165Architecture: any 166Description: User Mode Linux kernel, version $version 167 User-mode Linux is a port of the Linux kernel to its own system call 168 interface. It provides a kind of virtual machine, which runs Linux 169 as a user process under another Linux kernel. This is useful for 170 kernel development, sandboxes, jails, experimentation, and 171 many other things. 172 . 173 This package contains the Linux kernel, modules and corresponding other 174 files, version: $version. 175EOF 176 177else 178 cat <<EOF >> debian/control 179 180Package: $packagename 181Provides: linux-image, linux-image-2.6, linux-modules-$version 182Suggests: $fwpackagename 183Architecture: any 184Description: Linux kernel, version $version 185 This package contains the Linux kernel, modules and corresponding other 186 files, version: $version. 187EOF 188 189fi 190 191# Do we have firmware? Move it out of the way and build it into a package. 192if [ -e "$tmpdir/lib/firmware" ]; then 193 mv "$tmpdir/lib/firmware" "$fwdir/lib/" 194 195 cat <<EOF >> debian/control 196 197Package: $fwpackagename 198Architecture: all 199Description: Linux kernel firmware, version $version 200 This package contains firmware from the Linux kernel, version $version. 201EOF 202 203 create_package "$fwpackagename" "$fwdir" 204fi 205 206create_package "$packagename" "$tmpdir" 207 208exit 0 209