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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/$kernel_headers_packagename"
100if [ "$ARCH" = "um" ] ; then
101 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin"
102fi
103
104# Build and install the kernel
105if [ "$ARCH" = "um" ] ; then
106 $MAKE linux
107 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
108 cp .config "$tmpdir/usr/share/doc/$packagename/config"
109 gzip "$tmpdir/usr/share/doc/$packagename/config"
110 cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version"
111else
112 cp System.map "$tmpdir/boot/System.map-$version"
113 cp .config "$tmpdir/boot/config-$version"
114 # Not all arches include the boot path in KBUILD_IMAGE
115 if [ -e $KBUILD_IMAGE ]; then
116 cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
117 else
118 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
119 fi
120fi
121
122if grep -q '^CONFIG_MODULES=y' .config ; then
123 INSTALL_MOD_PATH="$tmpdir" make KBUILD_SRC= modules_install
124 if [ "$ARCH" = "um" ] ; then
125 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
126 rmdir "$tmpdir/lib/modules/$version"
127 fi
128fi
129
130make headers_check
131make headers_install INSTALL_HDR_PATH="$libc_headers_dir/usr"
132
133# Install the maintainer scripts
134# Note: hook scripts under /etc/kernel are also executed by official Debian
135# kernel packages, as well as kernel packages built using make-kpkg
136debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
137for script in postinst postrm preinst prerm ; do
138 mkdir -p "$tmpdir$debhookdir/$script.d"
139 cat <<EOF > "$tmpdir/DEBIAN/$script"
140#!/bin/sh
141
142set -e
143
144# Pass maintainer script parameters to hook scripts
145export DEB_MAINT_PARAMS="\$*"
146
147test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d
148exit 0
149EOF
150 chmod 755 "$tmpdir/DEBIAN/$script"
151done
152
153# Try to determine maintainer and email values
154if [ -n "$DEBEMAIL" ]; then
155 email=$DEBEMAIL
156elif [ -n "$EMAIL" ]; then
157 email=$EMAIL
158else
159 email=$(id -nu)@$(hostname -f)
160fi
161if [ -n "$DEBFULLNAME" ]; then
162 name=$DEBFULLNAME
163elif [ -n "$NAME" ]; then
164 name=$NAME
165else
166 name="Anonymous"
167fi
168maintainer="$name <$email>"
169
170# Generate a simple changelog template
171cat <<EOF > debian/changelog
172linux-upstream ($packageversion) unstable; urgency=low
173
174 * Custom built Linux kernel.
175
176 -- $maintainer $(date -R)
177EOF
178
179# Generate copyright file
180cat <<EOF > debian/copyright
181This is a packacked upstream version of the Linux kernel.
182
183The sources may be found at most Linux ftp sites, including:
184ftp://ftp.kernel.org/pub/linux/kernel
185
186Copyright: 1991 - 2009 Linus Torvalds and others.
187
188The git repository for mainline kernel development is at:
189git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
190
191 This program is free software; you can redistribute it and/or modify
192 it under the terms of the GNU General Public License as published by
193 the Free Software Foundation; version 2 dated June, 1991.
194
195On Debian GNU/Linux systems, the complete text of the GNU General Public
196License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
197EOF
198
199# Generate a control file
200cat <<EOF > debian/control
201Source: linux-upstream
202Section: kernel
203Priority: optional
204Maintainer: $maintainer
205Standards-Version: 3.8.4
206Homepage: http://www.kernel.org/
207EOF
208
209if [ "$ARCH" = "um" ]; then
210 cat <<EOF >> debian/control
211
212Package: $packagename
213Provides: linux-image, linux-image-2.6, linux-modules-$version
214Architecture: any
215Description: User Mode Linux kernel, version $version
216 User-mode Linux is a port of the Linux kernel to its own system call
217 interface. It provides a kind of virtual machine, which runs Linux
218 as a user process under another Linux kernel. This is useful for
219 kernel development, sandboxes, jails, experimentation, and
220 many other things.
221 .
222 This package contains the Linux kernel, modules and corresponding other
223 files, version: $version.
224EOF
225
226else
227 cat <<EOF >> debian/control
228
229Package: $packagename
230Provides: linux-image, linux-image-2.6, linux-modules-$version
231Suggests: $fwpackagename
232Architecture: any
233Description: Linux kernel, version $version
234 This package contains the Linux kernel, modules and corresponding other
235 files, version: $version.
236EOF
237
238fi
239
240# Build header package
241(cd $srctree; find . -name Makefile -o -name Kconfig\* -o -name \*.pl > /tmp/files$$)
242(cd $srctree; find arch/$SRCARCH/include include scripts -type f >> /tmp/files$$)
243(cd $objtree; find .config Module.symvers include scripts -type f >> /tmp/objfiles$$)
244destdir=$kernel_headers_dir/usr/src/linux-headers-$version
245mkdir -p "$destdir"
246(cd $srctree; tar -c -f - -T /tmp/files$$) | (cd $destdir; tar -xf -)
247(cd $objtree; tar -c -f - -T /tmp/objfiles$$) | (cd $destdir; tar -xf -)
248rm -f /tmp/files$$ /tmp/objfiles$$
249arch=$(dpkg --print-architecture)
250
251cat <<EOF >> debian/control
252
253Package: $kernel_headers_packagename
254Provides: linux-headers, linux-headers-2.6
255Architecture: $arch
256Description: Linux kernel headers for $KERNELRELEASE on $arch
257 This package provides kernel header files for $KERNELRELEASE on $arch
258 .
259 This is useful for people who need to build external modules
260EOF
261
262create_package "$kernel_headers_packagename" "$kernel_headers_dir"
263
264# Do we have firmware? Move it out of the way and build it into a package.
265if [ -e "$tmpdir/lib/firmware" ]; then
266 mv "$tmpdir/lib/firmware" "$fwdir/lib/"
267
268 cat <<EOF >> debian/control
269
270Package: $fwpackagename
271Architecture: all
272Description: Linux kernel firmware, version $version
273 This package contains firmware from the Linux kernel, version $version.
274EOF
275
276 create_package "$fwpackagename" "$fwdir"
277fi
278
279cat <<EOF >> debian/control
280
281Package: $libc_headers_packagename
282Section: devel
283Provides: linux-kernel-headers
284Architecture: any
285Description: Linux support headers for userspace development
286 This package provides userspaces headers from the Linux kernel. These headers
287 are used by the installed headers for GNU glibc and other system libraries.
288EOF
289
290create_package "$libc_headers_packagename" "$libc_headers_dir"
291create_package "$packagename" "$tmpdir"
292
293exit 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