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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 # 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 ${0} ..." >&2
55 echo "" >&2
56 esac
57 if [ -n "$KBUILD_DEBARCH" ] ; then
58 debarch="$KBUILD_DEBARCH"
59 fi
60 if [ -n "$debarch" ] ; then
61 forcearch="-DArchitecture=$debarch"
62 fi
63
64 # Create the package
65 dpkg-gencontrol -isp $forcearch -p$pname -P"$pdir"
66 dpkg --build "$pdir" ..
67}
68
69# Some variables and settings used throughout the script
70version=$KERNELRELEASE
71revision=$(cat .version)
72if [ -n "$KDEB_PKGVERSION" ]; then
73 packageversion=$KDEB_PKGVERSION
74else
75 packageversion=$version-$revision
76fi
77tmpdir="$objtree/debian/tmp"
78fwdir="$objtree/debian/fwtmp"
79kernel_headers_dir="$objtree/debian/hdrtmp"
80libc_headers_dir="$objtree/debian/headertmp"
81packagename=linux-image-$version
82fwpackagename=linux-firmware-image
83kernel_headers_packagename=linux-headers-$version
84libc_headers_packagename=linux-libc-dev
85
86if [ "$ARCH" = "um" ] ; then
87 packagename=user-mode-linux-$version
88fi
89
90# Setup the directory structure
91rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir"
92mkdir -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/$fwpackagename"
96mkdir -m 755 -p "$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/$kernel_headers_packagename"
100mkdir -p "$kernel_headers_dir/lib/modules/$version/"
101if [ "$ARCH" = "um" ] ; then
102 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin"
103fi
104
105# Build and install the kernel
106if [ "$ARCH" = "um" ] ; then
107 $MAKE linux
108 cp System.map "$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"
115 # Not all arches include the boot path in KBUILD_IMAGE
116 if [ -e $KBUILD_IMAGE ]; then
117 cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
118 else
119 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
120 fi
121fi
122
123if grep -q '^CONFIG_MODULES=y' .config ; then
124 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
125 rm -f "$tmpdir/lib/modules/$version/build"
126 rm -f "$tmpdir/lib/modules/$version/source"
127 if [ "$ARCH" = "um" ] ; then
128 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
129 rmdir "$tmpdir/lib/modules/$version"
130 fi
131fi
132
133if [ "$ARCH" != "um" ]; then
134 $MAKE headers_check KBUILD_SRC=
135 $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr"
136fi
137
138# Install the maintainer scripts
139# 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=${KDEB_HOOKDIR:-/etc/kernel}
142for script in postinst postrm preinst prerm ; do
143 mkdir -p "$tmpdir$debhookdir/$script.d"
144 cat <<EOF > "$tmpdir/DEBIAN/$script"
145#!/bin/sh
146
147set -e
148
149# Pass maintainer script parameters to hook scripts
150export DEB_MAINT_PARAMS="\$*"
151
152test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d
153exit 0
154EOF
155 chmod 755 "$tmpdir/DEBIAN/$script"
156done
157
158# 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
175# Generate a simple changelog template
176cat <<EOF > debian/changelog
177linux-upstream ($packageversion) unstable; urgency=low
178
179 * Custom built Linux kernel.
180
181 -- $maintainer $(date -R)
182EOF
183
184# 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
204# Generate a control file
205cat <<EOF > debian/control
206Source: linux-upstream
207Section: kernel
208Priority: optional
209Maintainer: $maintainer
210Standards-Version: 3.8.4
211Homepage: http://www.kernel.org/
212EOF
213
214if [ "$ARCH" = "um" ]; then
215 cat <<EOF >> debian/control
216
217Package: $packagename
218Provides: linux-image, linux-image-2.6, linux-modules-$version
219Architecture: any
220Description: 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 .
227 This package contains the Linux kernel, modules and corresponding other
228 files, version: $version.
229EOF
230
231else
232 cat <<EOF >> debian/control
233
234Package: $packagename
235Provides: linux-image, linux-image-2.6, linux-modules-$version
236Suggests: $fwpackagename
237Architecture: any
238Description: Linux kernel, version $version
239 This package contains the Linux kernel, modules and corresponding other
240 files, version: $version.
241EOF
242
243fi
244
245# Build header package
246(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 $objtree; find arch/$SRCARCH/include .config Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
249destdir=$kernel_headers_dir/usr/src/linux-headers-$version
250mkdir -p "$destdir"
251(cd $srctree; tar -c -f - -T "$objtree/debian/hdrsrcfiles") | (cd $destdir; tar -xf -)
252(cd $objtree; tar -c -f - -T "$objtree/debian/hdrobjfiles") | (cd $destdir; tar -xf -)
253ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
254rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
255arch=$(dpkg --print-architecture)
256
257cat <<EOF >> debian/control
258
259Package: $kernel_headers_packagename
260Provides: 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 $arch
264 .
265 This is useful for people who need to build external modules
266EOF
267
268# Do we have firmware? Move it out of the way and build it into a package.
269if [ -e "$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
277 This package contains firmware from the Linux kernel, version $version.
278EOF
279
280 create_package "$fwpackagename" "$fwdir"
281fi
282
283cat <<EOF >> debian/control
284
285Package: $libc_headers_packagename
286Section: devel
287Provides: linux-kernel-headers
288Architecture: any
289Description: Linux support headers for userspace development
290 This package provides userspaces headers from the Linux kernel. These headers
291 are used by the installed headers for GNU glibc and other system libraries.
292EOF
293
294if [ "$ARCH" != "um" ]; then
295 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
296 create_package "$libc_headers_packagename" "$libc_headers_dir"
297fi
298
299create_package "$packagename" "$tmpdir"
300
301exit 0
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
15is_enabled() {
16 grep -q "^$1=y" include/config/auto.conf
17}
18
19if_enabled_echo() {
20 if is_enabled "$1"; then
21 echo -n "$2"
22 elif [ $# -ge 3 ]; then
23 echo -n "$3"
24 fi
25}
26
27create_package() {
28 local pname="$1" pdir="$2"
29
30 mkdir -m 755 -p "$pdir/DEBIAN"
31 mkdir -p "$pdir/usr/share/doc/$pname"
32 cp debian/copyright "$pdir/usr/share/doc/$pname/"
33 cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
34 gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
35 sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
36 | xargs -r0 md5sum > DEBIAN/md5sums"
37
38 # Fix ownership and permissions
39 chown -R root:root "$pdir"
40 chmod -R go-w "$pdir"
41 # in case we are in a restrictive umask environment like 0077
42 chmod -R a+rX "$pdir"
43
44 # Create the package
45 dpkg-gencontrol -p$pname -P"$pdir"
46 dpkg --build "$pdir" ..
47}
48
49version=$KERNELRELEASE
50tmpdir="$objtree/debian/tmp"
51kernel_headers_dir="$objtree/debian/hdrtmp"
52libc_headers_dir="$objtree/debian/headertmp"
53dbg_dir="$objtree/debian/dbgtmp"
54packagename=linux-image-$version
55kernel_headers_packagename=linux-headers-$version
56libc_headers_packagename=linux-libc-dev
57dbg_packagename=$packagename-dbg
58
59if [ "$ARCH" = "um" ] ; then
60 packagename=user-mode-linux-$version
61fi
62
63# Not all arches have the same installed path in debian
64# XXX: have each arch Makefile export a variable of the canonical image install
65# path instead
66case $ARCH in
67um)
68 installed_image_path="usr/bin/linux-$version"
69 ;;
70parisc|mips|powerpc)
71 installed_image_path="boot/vmlinux-$version"
72 ;;
73*)
74 installed_image_path="boot/vmlinuz-$version"
75esac
76
77BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)
78
79# Setup the directory structure
80rm -rf "$tmpdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files
81mkdir -m 755 -p "$tmpdir/DEBIAN"
82mkdir -p "$tmpdir/lib" "$tmpdir/boot"
83mkdir -p "$kernel_headers_dir/lib/modules/$version/"
84
85# Build and install the kernel
86if [ "$ARCH" = "um" ] ; then
87 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
88 $MAKE linux
89 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
90 cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
91 gzip "$tmpdir/usr/share/doc/$packagename/config"
92else
93 cp System.map "$tmpdir/boot/System.map-$version"
94 cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
95fi
96cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"
97
98if is_enabled CONFIG_OF_EARLY_FLATTREE; then
99 # Only some architectures with OF support have this target
100 if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then
101 $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
102 fi
103fi
104
105if is_enabled CONFIG_MODULES; then
106 INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install
107 rm -f "$tmpdir/lib/modules/$version/build"
108 rm -f "$tmpdir/lib/modules/$version/source"
109 if [ "$ARCH" = "um" ] ; then
110 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
111 rmdir "$tmpdir/lib/modules/$version"
112 fi
113 if [ -n "$BUILD_DEBUG" ] ; then
114 for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
115 module=lib/modules/$module
116 mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
117 # only keep debug symbols in the debug file
118 $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
119 # strip original module from debug symbols
120 $OBJCOPY --strip-debug $tmpdir/$module
121 # then add a link to those
122 $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
123 done
124
125 # resign stripped modules
126 if is_enabled CONFIG_MODULE_SIG_ALL; then
127 INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign
128 fi
129 fi
130fi
131
132if [ "$ARCH" != "um" ]; then
133 $MAKE -f $srctree/Makefile headers
134 $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH="$libc_headers_dir/usr"
135 # move asm headers to /usr/include/<libc-machine>/asm to match the structure
136 # used by Debian-based distros (to support multi-arch)
137 host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH)
138 mkdir $libc_headers_dir/usr/include/$host_arch
139 mv $libc_headers_dir/usr/include/asm $libc_headers_dir/usr/include/$host_arch/
140fi
141
142# Install the maintainer scripts
143# Note: hook scripts under /etc/kernel are also executed by official Debian
144# kernel packages, as well as kernel packages built using make-kpkg.
145# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
146# so do we; recent versions of dracut and initramfs-tools will obey this.
147debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
148for script in postinst postrm preinst prerm ; do
149 mkdir -p "$tmpdir$debhookdir/$script.d"
150 cat <<EOF > "$tmpdir/DEBIAN/$script"
151#!/bin/sh
152
153set -e
154
155# Pass maintainer script parameters to hook scripts
156export DEB_MAINT_PARAMS="\$*"
157
158# Tell initramfs builder whether it's wanted
159export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
160
161test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
162exit 0
163EOF
164 chmod 755 "$tmpdir/DEBIAN/$script"
165done
166
167# Build kernel header package
168(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
169(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
170(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
171(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
172if is_enabled CONFIG_STACK_VALIDATION; then
173 (cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
174fi
175(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
176if is_enabled CONFIG_GCC_PLUGINS; then
177 (cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
178fi
179destdir=$kernel_headers_dir/usr/src/linux-headers-$version
180mkdir -p "$destdir"
181(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
182(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
183(cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be
184ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
185rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
186
187if [ "$ARCH" != "um" ]; then
188 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
189 create_package "$libc_headers_packagename" "$libc_headers_dir"
190fi
191
192create_package "$packagename" "$tmpdir"
193
194if [ -n "$BUILD_DEBUG" ] ; then
195 # Build debug package
196 # Different tools want the image in different locations
197 # perf
198 mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
199 cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
200 # systemtap
201 mkdir -p $dbg_dir/usr/lib/debug/boot/
202 ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
203 # kdump-tools
204 ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
205 create_package "$dbg_packagename" "$dbg_dir"
206fi
207
208exit 0