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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="$2"
17
18 mkdir -m 755 -p "$pdir/DEBIAN"
19 mkdir -p "$pdir/usr/share/doc/$pname"
20 cp debian/copyright "$pdir/usr/share/doc/$pname/"
21 cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
22 gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
23 sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
24 | xargs -r0 md5sum > DEBIAN/md5sums"
25
26 # Fix ownership and permissions
27 chown -R root:root "$pdir"
28 chmod -R go-w "$pdir"
29 # in case we are in a restrictive umask environment like 0077
30 chmod -R a+rX "$pdir"
31
32 # Create the package
33 dpkg-gencontrol -p$pname -P"$pdir"
34 dpkg --build "$pdir" ..
35}
36
37version=$KERNELRELEASE
38tmpdir="$objtree/debian/tmp"
39kernel_headers_dir="$objtree/debian/hdrtmp"
40libc_headers_dir="$objtree/debian/headertmp"
41dbg_dir="$objtree/debian/dbgtmp"
42packagename=linux-image-$version
43kernel_headers_packagename=linux-headers-$version
44libc_headers_packagename=linux-libc-dev
45dbg_packagename=$packagename-dbg
46
47if [ "$ARCH" = "um" ] ; then
48 packagename=user-mode-linux-$version
49fi
50
51# Not all arches have the same installed path in debian
52# XXX: have each arch Makefile export a variable of the canonical image install
53# path instead
54case $ARCH in
55um)
56 installed_image_path="usr/bin/linux-$version"
57 ;;
58parisc|mips|powerpc)
59 installed_image_path="boot/vmlinux-$version"
60 ;;
61*)
62 installed_image_path="boot/vmlinuz-$version"
63esac
64
65BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)"
66
67# Setup the directory structure
68rm -rf "$tmpdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files
69mkdir -m 755 -p "$tmpdir/DEBIAN"
70mkdir -p "$tmpdir/lib" "$tmpdir/boot"
71mkdir -p "$kernel_headers_dir/lib/modules/$version/"
72
73# Build and install the kernel
74if [ "$ARCH" = "um" ] ; then
75 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
76 $MAKE linux
77 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
78 cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
79 gzip "$tmpdir/usr/share/doc/$packagename/config"
80else
81 cp System.map "$tmpdir/boot/System.map-$version"
82 cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
83fi
84cp "$($MAKE -s image_name)" "$tmpdir/$installed_image_path"
85
86if grep -q "^CONFIG_OF=y" $KCONFIG_CONFIG ; then
87 # Only some architectures with OF support have this target
88 if grep -q dtbs_install "${srctree}/arch/$SRCARCH/Makefile"; then
89 $MAKE KBUILD_SRC= INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
90 fi
91fi
92
93if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
94 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
95 rm -f "$tmpdir/lib/modules/$version/build"
96 rm -f "$tmpdir/lib/modules/$version/source"
97 if [ "$ARCH" = "um" ] ; then
98 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
99 rmdir "$tmpdir/lib/modules/$version"
100 fi
101 if [ -n "$BUILD_DEBUG" ] ; then
102 for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
103 module=lib/modules/$module
104 mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
105 # only keep debug symbols in the debug file
106 $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
107 # strip original module from debug symbols
108 $OBJCOPY --strip-debug $tmpdir/$module
109 # then add a link to those
110 $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
111 done
112
113 # resign stripped modules
114 MODULE_SIG_ALL="$(grep -s '^CONFIG_MODULE_SIG_ALL=y' $KCONFIG_CONFIG || true)"
115 if [ -n "$MODULE_SIG_ALL" ]; then
116 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_sign
117 fi
118 fi
119fi
120
121if [ "$ARCH" != "um" ]; then
122 $MAKE headers_check KBUILD_SRC=
123 $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr"
124fi
125
126# Install the maintainer scripts
127# Note: hook scripts under /etc/kernel are also executed by official Debian
128# kernel packages, as well as kernel packages built using make-kpkg.
129# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
130# so do we; recent versions of dracut and initramfs-tools will obey this.
131debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
132if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then
133 want_initrd=Yes
134else
135 want_initrd=No
136fi
137for script in postinst postrm preinst prerm ; do
138 mkdir -p "$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
147# Tell initramfs builder whether it's wanted
148export INITRD=$want_initrd
149
150test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
151exit 0
152EOF
153 chmod 755 "$tmpdir/DEBIAN/$script"
154done
155
156# Build kernel header package
157(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
158(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
159(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
160(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
161if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then
162 (cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
163fi
164(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
165if grep -q '^CONFIG_GCC_PLUGINS=y' $KCONFIG_CONFIG ; then
166 (cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
167fi
168destdir=$kernel_headers_dir/usr/src/linux-headers-$version
169mkdir -p "$destdir"
170(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
171(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
172(cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be
173ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
174rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
175
176if [ "$ARCH" != "um" ]; then
177 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
178 create_package "$libc_headers_packagename" "$libc_headers_dir"
179fi
180
181create_package "$packagename" "$tmpdir"
182
183if [ -n "$BUILD_DEBUG" ] ; then
184 # Build debug package
185 # Different tools want the image in different locations
186 # perf
187 mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
188 cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
189 # systemtap
190 mkdir -p $dbg_dir/usr/lib/debug/boot/
191 ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
192 # kdump-tools
193 ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
194 create_package "$dbg_packagename" "$dbg_dir"
195fi
196
197exit 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
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