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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#!/bin/sh
2#
Frans Pop49644512009-04-23 01:09:25 +02003# builddeb 1.3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
5#
6# Simple script to generate a deb package for a Linux kernel. All the
Frans Pop4f661992009-04-23 01:08:31 +02007# complexity of what to do with a kernel after it is installed or removed
Linus Torvalds1da177e2005-04-16 15:20:36 -07008# is left to other scripts and packages: they can install scripts in the
Frans Popfe233cb2009-04-23 01:10:10 +02009# /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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070012
13set -e
14
Frans Pop3e2ab252009-04-23 01:08:44 +020015create_package() {
16 local pname="$1" pdir="$2"
17
Frans Pop9461f662009-04-24 19:08:24 +020018 cp debian/copyright "$pdir/usr/share/doc/$pname/"
maximilian attems1ab18482009-06-26 20:04:36 +020019 cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
20 gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
FEJES Jozsefb59a1222010-03-05 18:19:36 +010021 sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
22 | xargs -r0 md5sum > DEBIAN/md5sums"
Frans Pop9461f662009-04-24 19:08:24 +020023
Frans Pop3e2ab252009-04-23 01:08:44 +020024 # Fix ownership and permissions
25 chown -R root:root "$pdir"
26 chmod -R go-w "$pdir"
27
Asbjoern Sloth Toennesen10f26fa2010-11-05 13:30:08 +000028 # Attempt to find the correct Debian architecture
29 local forcearch="" debarch=""
30 case "$UTS_MACHINE" in
31 i386|ia64|alpha)
32 debarch="$UTS_MACHINE" ;;
33 x86_64)
34 debarch=amd64 ;;
35 sparc*)
36 debarch=sparc ;;
37 s390*)
38 debarch=s390 ;;
39 ppc*)
40 debarch=powerpc ;;
41 parisc*)
42 debarch=hppa ;;
43 mips*)
44 debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y .config && echo el) ;;
45 arm*)
46 debarch=arm$(grep -q CONFIG_AEABI=y .config && echo el) ;;
47 *)
48 echo "" >&2
49 echo "** ** ** WARNING ** ** **" >&2
50 echo "" >&2
51 echo "Your architecture doesn't have it's equivalent" >&2
52 echo "Debian userspace architecture defined!" >&2
53 echo "Falling back to using your current userspace instead!" >&2
54 echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
55 echo "" >&2
56 esac
Asbjoern Sloth Toennesen55f88ec2010-12-12 17:39:40 +000057 if [ -n "$KBUILD_DEBARCH" ] ; then
58 debarch="$KBUILD_DEBARCH"
59 fi
Asbjoern Sloth Toennesen10f26fa2010-11-05 13:30:08 +000060 if [ -n "$debarch" ] ; then
61 forcearch="-DArchitecture=$debarch"
62 fi
63
Frans Pop3e2ab252009-04-23 01:08:44 +020064 # Create the package
Asbjoern Sloth Toennesen10f26fa2010-11-05 13:30:08 +000065 dpkg-gencontrol -isp $forcearch -p$pname -P"$pdir"
Frans Pop3e2ab252009-04-23 01:08:44 +020066 dpkg --build "$pdir" ..
67}
68
Linus Torvalds1da177e2005-04-16 15:20:36 -070069# Some variables and settings used throughout the script
70version=$KERNELRELEASE
Frans Pop4f661992009-04-23 01:08:31 +020071revision=$(cat .version)
Frans Popc72c75d2009-04-23 01:09:44 +020072if [ -n "$KDEB_PKGVERSION" ]; then
73 packageversion=$KDEB_PKGVERSION
74else
75 packageversion=$version-$revision
76fi
Linus Torvalds1da177e2005-04-16 15:20:36 -070077tmpdir="$objtree/debian/tmp"
Jonathan McDowellbf1b3642008-09-13 17:08:31 +010078fwdir="$objtree/debian/fwtmp"
maximilian attemsee81b782011-01-07 16:13:06 +010079kernel_headers_dir="$objtree/debian/hdrtmp"
80libc_headers_dir="$objtree/debian/headertmp"
maximilian attemsf7a2c312009-04-23 01:12:01 +020081packagename=linux-image-$version
Jonathan McDowellbf1b3642008-09-13 17:08:31 +010082fwpackagename=linux-firmware-image
maximilian attemsee81b782011-01-07 16:13:06 +010083kernel_headers_packagename=linux-headers-$version
84libc_headers_packagename=linux-libc-dev
Sam Ravnborg687c3da2005-07-14 20:24:00 +000085
Frans Pop4f661992009-04-23 01:08:31 +020086if [ "$ARCH" = "um" ] ; then
Sam Ravnborg687c3da2005-07-14 20:24:00 +000087 packagename=user-mode-linux-$version
88fi
Linus Torvalds1da177e2005-04-16 15:20:36 -070089
90# Setup the directory structure
maximilian attemsee81b782011-01-07 16:13:06 +010091rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir"
maximilian attemse86c2412010-10-29 15:55:50 +020092mkdir -m 755 -p "$tmpdir/DEBIAN"
93mkdir -p "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename"
94mkdir -m 755 -p "$fwdir/DEBIAN"
95mkdir -p "$fwdir/lib" "$fwdir/usr/share/doc/$fwpackagename"
maximilian attemsee81b782011-01-07 16:13:06 +010096mkdir -m 755 -p "$libc_headers_dir/DEBIAN"
97mkdir -p "$libc_headers_dir/usr/share/doc/$libc_headers_packagename"
98mkdir -m 755 -p "$kernel_headers_dir/DEBIAN"
99mkdir -p "$kernel_headers_dir/usr/share/doc/$kernel_headers_packagename"
Joerg Roedela47b6c62012-02-15 17:38:26 +0100100mkdir -p "$kernel_headers_dir/lib/modules/$version/"
Frans Pop4f661992009-04-23 01:08:31 +0200101if [ "$ARCH" = "um" ] ; then
Frans Pop9461f662009-04-24 19:08:24 +0200102 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin"
Sam Ravnborg687c3da2005-07-14 20:24:00 +0000103fi
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104
105# Build and install the kernel
Frans Pop4f661992009-04-23 01:08:31 +0200106if [ "$ARCH" = "um" ] ; then
Sam Ravnborg687c3da2005-07-14 20:24:00 +0000107 $MAKE linux
108 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
109 cp .config "$tmpdir/usr/share/doc/$packagename/config"
110 gzip "$tmpdir/usr/share/doc/$packagename/config"
111 cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version"
112else
113 cp System.map "$tmpdir/boot/System.map-$version"
114 cp .config "$tmpdir/boot/config-$version"
Frans Popa89b4332009-04-23 01:09:04 +0200115 # Not all arches include the boot path in KBUILD_IMAGE
Guillem Jover242c5ab2010-09-03 04:33:28 +0200116 if [ -e $KBUILD_IMAGE ]; then
117 cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
118 else
Frans Popa89b4332009-04-23 01:09:04 +0200119 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
120 fi
Sam Ravnborg687c3da2005-07-14 20:24:00 +0000121fi
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122
123if grep -q '^CONFIG_MODULES=y' .config ; then
Joerg Roedeldddcbb72012-02-16 19:56:37 +0100124 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
Joerg Roedela47b6c62012-02-15 17:38:26 +0100125 rm -f "$tmpdir/lib/modules/$version/build"
126 rm -f "$tmpdir/lib/modules/$version/source"
Frans Pop4f661992009-04-23 01:08:31 +0200127 if [ "$ARCH" = "um" ] ; then
Sam Ravnborg687c3da2005-07-14 20:24:00 +0000128 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
129 rmdir "$tmpdir/lib/modules/$version"
130 fi
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131fi
132
Joerg Roedeld7d357b2012-02-15 17:38:27 +0100133if [ "$ARCH" != "um" ]; then
Joerg Roedeldddcbb72012-02-16 19:56:37 +0100134 $MAKE headers_check KBUILD_SRC=
135 $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr"
Joerg Roedeld7d357b2012-02-15 17:38:27 +0100136fi
maximilian attemse6807782011-01-01 16:44:13 +0100137
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138# Install the maintainer scripts
Frans Popfe233cb2009-04-23 01:10:10 +0200139# Note: hook scripts under /etc/kernel are also executed by official Debian
140# kernel packages, as well as kernel packages built using make-kpkg
141debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700142for script in postinst postrm preinst prerm ; do
Frans Popfe233cb2009-04-23 01:10:10 +0200143 mkdir -p "$tmpdir$debhookdir/$script.d"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 cat <<EOF > "$tmpdir/DEBIAN/$script"
145#!/bin/sh
146
147set -e
148
Frans Pop49644512009-04-23 01:09:25 +0200149# Pass maintainer script parameters to hook scripts
maximilian attems241ad112009-07-05 20:17:34 +0200150export DEB_MAINT_PARAMS="\$*"
Frans Pop49644512009-04-23 01:09:25 +0200151
Frans Popfe233cb2009-04-23 01:10:10 +0200152test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153exit 0
154EOF
155 chmod 755 "$tmpdir/DEBIAN/$script"
156done
157
maximilian attemsedec6112009-04-23 01:11:20 +0200158# Try to determine maintainer and email values
159if [ -n "$DEBEMAIL" ]; then
160 email=$DEBEMAIL
161elif [ -n "$EMAIL" ]; then
162 email=$EMAIL
163else
164 email=$(id -nu)@$(hostname -f)
165fi
166if [ -n "$DEBFULLNAME" ]; then
167 name=$DEBFULLNAME
168elif [ -n "$NAME" ]; then
169 name=$NAME
170else
171 name="Anonymous"
172fi
173maintainer="$name <$email>"
174
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175# Generate a simple changelog template
176cat <<EOF > debian/changelog
Frans Pop4bf4cd42009-04-23 01:11:43 +0200177linux-upstream ($packageversion) unstable; urgency=low
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178
Frans Popa83ca272009-04-23 01:10:25 +0200179 * Custom built Linux kernel.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180
maximilian attemsedec6112009-04-23 01:11:20 +0200181 -- $maintainer $(date -R)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182EOF
183
Frans Pop9461f662009-04-24 19:08:24 +0200184# Generate copyright file
185cat <<EOF > debian/copyright
186This is a packacked upstream version of the Linux kernel.
187
188The sources may be found at most Linux ftp sites, including:
189ftp://ftp.kernel.org/pub/linux/kernel
190
191Copyright: 1991 - 2009 Linus Torvalds and others.
192
193The git repository for mainline kernel development is at:
194git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
195
196 This program is free software; you can redistribute it and/or modify
197 it under the terms of the GNU General Public License as published by
198 the Free Software Foundation; version 2 dated June, 1991.
199
200On Debian GNU/Linux systems, the complete text of the GNU General Public
201License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
202EOF
203
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204# Generate a control file
Frans Pop3e2ab252009-04-23 01:08:44 +0200205cat <<EOF > debian/control
Frans Pop4bf4cd42009-04-23 01:11:43 +0200206Source: linux-upstream
Rogério Britoaa42abe2010-06-01 20:22:04 -0300207Section: kernel
Linus Torvalds1da177e2005-04-16 15:20:36 -0700208Priority: optional
maximilian attemsedec6112009-04-23 01:11:20 +0200209Maintainer: $maintainer
Rogério Brito2d7204a2010-06-01 20:22:03 -0300210Standards-Version: 3.8.4
Rogério Britoee6eed82010-06-01 20:22:02 -0300211Homepage: http://www.kernel.org/
Frans Pop3e2ab252009-04-23 01:08:44 +0200212EOF
213
214if [ "$ARCH" = "um" ]; then
215 cat <<EOF >> debian/control
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216
Sam Ravnborg687c3da2005-07-14 20:24:00 +0000217Package: $packagename
maximilian attems8ebc2fe2009-04-23 01:12:21 +0200218Provides: linux-image, linux-image-2.6, linux-modules-$version
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219Architecture: any
Sam Ravnborgdc5962f2005-07-14 20:24:56 +0000220Description: User Mode Linux kernel, version $version
221 User-mode Linux is a port of the Linux kernel to its own system call
222 interface. It provides a kind of virtual machine, which runs Linux
223 as a user process under another Linux kernel. This is useful for
224 kernel development, sandboxes, jails, experimentation, and
225 many other things.
226 .
Linus Torvalds1da177e2005-04-16 15:20:36 -0700227 This package contains the Linux kernel, modules and corresponding other
Frans Popa83ca272009-04-23 01:10:25 +0200228 files, version: $version.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229EOF
230
Sam Ravnborgdc5962f2005-07-14 20:24:56 +0000231else
Frans Pop3e2ab252009-04-23 01:08:44 +0200232 cat <<EOF >> debian/control
Sam Ravnborgdc5962f2005-07-14 20:24:56 +0000233
234Package: $packagename
maximilian attems8ebc2fe2009-04-23 01:12:21 +0200235Provides: linux-image, linux-image-2.6, linux-modules-$version
Jonathan McDowellbf1b3642008-09-13 17:08:31 +0100236Suggests: $fwpackagename
Sam Ravnborgdc5962f2005-07-14 20:24:56 +0000237Architecture: any
238Description: Linux kernel, version $version
239 This package contains the Linux kernel, modules and corresponding other
Frans Popa83ca272009-04-23 01:10:25 +0200240 files, version: $version.
Sam Ravnborgdc5962f2005-07-14 20:24:56 +0000241EOF
Frans Pop4f661992009-04-23 01:08:31 +0200242
Sam Ravnborgdc5962f2005-07-14 20:24:56 +0000243fi
244
Theodore Ts'ocd8d60a2010-12-24 09:42:10 -0500245# Build header package
Ben Hutchings6c635222012-02-15 14:17:29 +0000246(cd $srctree; find . -name Makefile -o -name Kconfig\* -o -name \*.pl > "$objtree/debian/hdrsrcfiles")
247(cd $srctree; find arch/$SRCARCH/include include scripts -type f >> "$objtree/debian/hdrsrcfiles")
248(cd $objtree; find .config Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
maximilian attemsee81b782011-01-07 16:13:06 +0100249destdir=$kernel_headers_dir/usr/src/linux-headers-$version
250mkdir -p "$destdir"
Ben Hutchings6c635222012-02-15 14:17:29 +0000251(cd $srctree; tar -c -f - -T "$objtree/debian/hdrsrcfiles") | (cd $destdir; tar -xf -)
252(cd $objtree; tar -c -f - -T "$objtree/debian/hdrobjfiles") | (cd $destdir; tar -xf -)
Joerg Roedela47b6c62012-02-15 17:38:26 +0100253ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
Ben Hutchings6c635222012-02-15 14:17:29 +0000254rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
Theodore Ts'ocd8d60a2010-12-24 09:42:10 -0500255arch=$(dpkg --print-architecture)
256
257cat <<EOF >> debian/control
258
maximilian attemsee81b782011-01-07 16:13:06 +0100259Package: $kernel_headers_packagename
Theodore Ts'ocd8d60a2010-12-24 09:42:10 -0500260Provides: linux-headers, linux-headers-2.6
261Architecture: $arch
262Description: Linux kernel headers for $KERNELRELEASE on $arch
263 This package provides kernel header files for $KERNELRELEASE on $arch
264 .
265 This is useful for people who need to build external modules
266EOF
267
Jonathan McDowellbf1b3642008-09-13 17:08:31 +0100268# Do we have firmware? Move it out of the way and build it into a package.
269if [ -e "$tmpdir/lib/firmware" ]; then
270 mv "$tmpdir/lib/firmware" "$fwdir/lib/"
271
272 cat <<EOF >> debian/control
273
274Package: $fwpackagename
275Architecture: all
276Description: Linux kernel firmware, version $version
Frans Popa83ca272009-04-23 01:10:25 +0200277 This package contains firmware from the Linux kernel, version $version.
Jonathan McDowellbf1b3642008-09-13 17:08:31 +0100278EOF
279
Frans Pop3e2ab252009-04-23 01:08:44 +0200280 create_package "$fwpackagename" "$fwdir"
Jonathan McDowellbf1b3642008-09-13 17:08:31 +0100281fi
282
maximilian attemse6807782011-01-01 16:44:13 +0100283cat <<EOF >> debian/control
284
maximilian attemsee81b782011-01-07 16:13:06 +0100285Package: $libc_headers_packagename
maximilian attemse6807782011-01-01 16:44:13 +0100286Section: devel
287Provides: linux-kernel-headers
288Architecture: any
289Description: Linux support headers for userspace development
290 This package provides userspaces headers from the Linux kernel. These headers
291 are used by the installed headers for GNU glibc and other system libraries.
292EOF
293
Joerg Roedeld7d357b2012-02-15 17:38:27 +0100294if [ "$ARCH" != "um" ]; then
295 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
296 create_package "$libc_headers_packagename" "$libc_headers_dir"
297fi
298
Frans Pop3e2ab252009-04-23 01:08:44 +0200299create_package "$packagename" "$tmpdir"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300
301exit 0