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1da177e4 LT |
1 | #!/bin/sh |
2 | # | |
4964451a | 3 | # builddeb 1.3 |
1da177e4 LT |
4 | # Copyright 2003 Wichert Akkerman <wichert@wiggy.net> |
5 | # | |
6 | # Simple script to generate a deb package for a Linux kernel. All the | |
4f66199b | 7 | # complexity of what to do with a kernel after it is installed or removed |
1da177e4 | 8 | # is left to other scripts and packages: they can install scripts in the |
fe233cb6 FP |
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. | |
1da177e4 LT |
12 | |
13 | set -e | |
14 | ||
3e2ab256 FP |
15 | create_package() { |
16 | local pname="$1" pdir="$2" | |
17 | ||
9461f666 | 18 | cp debian/copyright "$pdir/usr/share/doc/$pname/" |
1ab18486 | 19 | cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" |
20 | gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian" | |
b59a1225 FJ |
21 | sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ |
22 | | xargs -r0 md5sum > DEBIAN/md5sums" | |
9461f666 | 23 | |
3e2ab256 FP |
24 | # Fix ownership and permissions |
25 | chown -R root:root "$pdir" | |
26 | chmod -R go-w "$pdir" | |
27 | ||
10f26fa6 AST |
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*) | |
a1323fd1 | 38 | debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;; |
10f26fa6 | 39 | ppc*) |
22739edf | 40 | debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;; |
10f26fa6 AST |
41 | parisc*) |
42 | debarch=hppa ;; | |
43 | mips*) | |
c5e318f6 | 44 | debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el || true) ;; |
a8d9c9f1 FB |
45 | arm64) |
46 | debarch=arm64 ;; | |
10f26fa6 | 47 | arm*) |
c5e318f6 | 48 | debarch=arm$(grep -q CONFIG_AEABI=y $KCONFIG_CONFIG && echo el || true) ;; |
10f26fa6 AST |
49 | *) |
50 | echo "" >&2 | |
51 | echo "** ** ** WARNING ** ** **" >&2 | |
52 | echo "" >&2 | |
53 | echo "Your architecture doesn't have it's equivalent" >&2 | |
54 | echo "Debian userspace architecture defined!" >&2 | |
55 | echo "Falling back to using your current userspace instead!" >&2 | |
56 | echo "Please add support for $UTS_MACHINE to ${0} ..." >&2 | |
57 | echo "" >&2 | |
58 | esac | |
55f88ecc AST |
59 | if [ -n "$KBUILD_DEBARCH" ] ; then |
60 | debarch="$KBUILD_DEBARCH" | |
61 | fi | |
10f26fa6 AST |
62 | if [ -n "$debarch" ] ; then |
63 | forcearch="-DArchitecture=$debarch" | |
64 | fi | |
65 | ||
3e2ab256 | 66 | # Create the package |
4204111c | 67 | dpkg-gencontrol $forcearch -Vkernel:debarch="${debarch:-$(dpkg --print-architecture)}" -p$pname -P"$pdir" |
3e2ab256 FP |
68 | dpkg --build "$pdir" .. |
69 | } | |
70 | ||
1da177e4 LT |
71 | # Some variables and settings used throughout the script |
72 | version=$KERNELRELEASE | |
4f66199b | 73 | revision=$(cat .version) |
c72c75db FP |
74 | if [ -n "$KDEB_PKGVERSION" ]; then |
75 | packageversion=$KDEB_PKGVERSION | |
76 | else | |
77 | packageversion=$version-$revision | |
78 | fi | |
1da177e4 | 79 | tmpdir="$objtree/debian/tmp" |
bf1b3644 | 80 | fwdir="$objtree/debian/fwtmp" |
ee81b786 | 81 | kernel_headers_dir="$objtree/debian/hdrtmp" |
82 | libc_headers_dir="$objtree/debian/headertmp" | |
810e8437 | 83 | dbg_dir="$objtree/debian/dbgtmp" |
f7a2c31f | 84 | packagename=linux-image-$version |
95e2a7d8 | 85 | fwpackagename=linux-firmware-image-$version |
ee81b786 | 86 | kernel_headers_packagename=linux-headers-$version |
87 | libc_headers_packagename=linux-libc-dev | |
810e8437 | 88 | dbg_packagename=$packagename-dbg |
687c3dac | 89 | |
4f66199b | 90 | if [ "$ARCH" = "um" ] ; then |
687c3dac SR |
91 | packagename=user-mode-linux-$version |
92 | fi | |
1da177e4 | 93 | |
9de70176 AA |
94 | # Not all arches have the same installed path in debian |
95 | # XXX: have each arch Makefile export a variable of the canonical image install | |
96 | # path instead | |
97 | case $ARCH in | |
98 | um) | |
99 | installed_image_path="usr/bin/linux-$version" | |
100 | ;; | |
101 | parisc|mips|powerpc) | |
102 | installed_image_path="boot/vmlinux-$version" | |
103 | ;; | |
104 | *) | |
105 | installed_image_path="boot/vmlinuz-$version" | |
106 | esac | |
107 | ||
810e8437 AA |
108 | BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)" |
109 | ||
1da177e4 | 110 | # Setup the directory structure |
810e8437 | 111 | rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" |
e86c2412 | 112 | mkdir -m 755 -p "$tmpdir/DEBIAN" |
113 | mkdir -p "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename" | |
114 | mkdir -m 755 -p "$fwdir/DEBIAN" | |
6607ddad | 115 | mkdir -p "$fwdir/lib/firmware/$version/" "$fwdir/usr/share/doc/$fwpackagename" |
ee81b786 | 116 | mkdir -m 755 -p "$libc_headers_dir/DEBIAN" |
117 | mkdir -p "$libc_headers_dir/usr/share/doc/$libc_headers_packagename" | |
118 | mkdir -m 755 -p "$kernel_headers_dir/DEBIAN" | |
119 | mkdir -p "$kernel_headers_dir/usr/share/doc/$kernel_headers_packagename" | |
a47b6c61 | 120 | mkdir -p "$kernel_headers_dir/lib/modules/$version/" |
4f66199b | 121 | if [ "$ARCH" = "um" ] ; then |
9461f666 | 122 | mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" |
687c3dac | 123 | fi |
810e8437 AA |
124 | if [ -n "$BUILD_DEBUG" ] ; then |
125 | mkdir -p "$dbg_dir/usr/share/doc/$dbg_packagename" | |
126 | mkdir -m 755 -p "$dbg_dir/DEBIAN" | |
127 | fi | |
1da177e4 LT |
128 | |
129 | # Build and install the kernel | |
4f66199b | 130 | if [ "$ARCH" = "um" ] ; then |
687c3dac SR |
131 | $MAKE linux |
132 | cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" | |
d2091767 | 133 | cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config" |
687c3dac | 134 | gzip "$tmpdir/usr/share/doc/$packagename/config" |
38385f8f | 135 | else |
687c3dac | 136 | cp System.map "$tmpdir/boot/System.map-$version" |
d2091767 | 137 | cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version" |
9de70176 AA |
138 | fi |
139 | # Not all arches include the boot path in KBUILD_IMAGE | |
140 | if [ -e $KBUILD_IMAGE ]; then | |
141 | cp $KBUILD_IMAGE "$tmpdir/$installed_image_path" | |
142 | else | |
143 | cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/$installed_image_path" | |
687c3dac | 144 | fi |
1da177e4 | 145 | |
d2091767 | 146 | if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then |
dddcbb7c | 147 | INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install |
a47b6c61 JR |
148 | rm -f "$tmpdir/lib/modules/$version/build" |
149 | rm -f "$tmpdir/lib/modules/$version/source" | |
4f66199b | 150 | if [ "$ARCH" = "um" ] ; then |
687c3dac SR |
151 | mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" |
152 | rmdir "$tmpdir/lib/modules/$version" | |
153 | fi | |
810e8437 | 154 | if [ -n "$BUILD_DEBUG" ] ; then |
2d087139 MM |
155 | for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do |
156 | module=lib/modules/$module | |
157 | mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module) | |
158 | # only keep debug symbols in the debug file | |
159 | $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module | |
160 | # strip original module from debug symbols | |
161 | $OBJCOPY --strip-debug $tmpdir/$module | |
162 | # then add a link to those | |
163 | $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module | |
164 | done | |
810e8437 | 165 | fi |
1da177e4 LT |
166 | fi |
167 | ||
d7d357bc | 168 | if [ "$ARCH" != "um" ]; then |
dddcbb7c JR |
169 | $MAKE headers_check KBUILD_SRC= |
170 | $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr" | |
d7d357bc | 171 | fi |
e6807785 | 172 | |
1da177e4 | 173 | # Install the maintainer scripts |
fe233cb6 | 174 | # Note: hook scripts under /etc/kernel are also executed by official Debian |
1c8ddae0 BH |
175 | # kernel packages, as well as kernel packages built using make-kpkg. |
176 | # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and | |
177 | # so do we; recent versions of dracut and initramfs-tools will obey this. | |
fe233cb6 | 178 | debhookdir=${KDEB_HOOKDIR:-/etc/kernel} |
1c8ddae0 BH |
179 | if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then |
180 | want_initrd=Yes | |
181 | else | |
182 | want_initrd=No | |
183 | fi | |
1da177e4 | 184 | for script in postinst postrm preinst prerm ; do |
fe233cb6 | 185 | mkdir -p "$tmpdir$debhookdir/$script.d" |
1da177e4 LT |
186 | cat <<EOF > "$tmpdir/DEBIAN/$script" |
187 | #!/bin/sh | |
188 | ||
189 | set -e | |
190 | ||
4964451a | 191 | # Pass maintainer script parameters to hook scripts |
241ad11f | 192 | export DEB_MAINT_PARAMS="\$*" |
4964451a | 193 | |
1c8ddae0 BH |
194 | # Tell initramfs builder whether it's wanted |
195 | export INITRD=$want_initrd | |
196 | ||
c95182bf | 197 | test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d |
1da177e4 LT |
198 | exit 0 |
199 | EOF | |
200 | chmod 755 "$tmpdir/DEBIAN/$script" | |
201 | done | |
202 | ||
edec611d | 203 | # Try to determine maintainer and email values |
204 | if [ -n "$DEBEMAIL" ]; then | |
205 | email=$DEBEMAIL | |
206 | elif [ -n "$EMAIL" ]; then | |
207 | email=$EMAIL | |
208 | else | |
209 | email=$(id -nu)@$(hostname -f) | |
210 | fi | |
211 | if [ -n "$DEBFULLNAME" ]; then | |
212 | name=$DEBFULLNAME | |
213 | elif [ -n "$NAME" ]; then | |
214 | name=$NAME | |
215 | else | |
216 | name="Anonymous" | |
217 | fi | |
218 | maintainer="$name <$email>" | |
219 | ||
d9f711db SD |
220 | # Try to determine distribution |
221 | if [ -n "$KDEB_CHANGELOG_DIST" ]; then | |
222 | distribution=$KDEB_CHANGELOG_DIST | |
223 | elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ]; then | |
224 | : # nothing to do in this case | |
225 | else | |
226 | distribution="unstable" | |
227 | echo >&2 "Using default distribution of 'unstable' in the changelog" | |
228 | echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly" | |
229 | fi | |
230 | ||
1da177e4 LT |
231 | # Generate a simple changelog template |
232 | cat <<EOF > debian/changelog | |
d9f711db | 233 | linux-upstream ($packageversion) $distribution; urgency=low |
1da177e4 | 234 | |
a83ca277 | 235 | * Custom built Linux kernel. |
1da177e4 | 236 | |
edec611d | 237 | -- $maintainer $(date -R) |
1da177e4 LT |
238 | EOF |
239 | ||
9461f666 FP |
240 | # Generate copyright file |
241 | cat <<EOF > debian/copyright | |
242 | This is a packacked upstream version of the Linux kernel. | |
243 | ||
244 | The sources may be found at most Linux ftp sites, including: | |
245 | ftp://ftp.kernel.org/pub/linux/kernel | |
246 | ||
701ca30c | 247 | Copyright: 1991 - 2015 Linus Torvalds and others. |
9461f666 FP |
248 | |
249 | The git repository for mainline kernel development is at: | |
701ca30c | 250 | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git |
9461f666 FP |
251 | |
252 | This program is free software; you can redistribute it and/or modify | |
253 | it under the terms of the GNU General Public License as published by | |
254 | the Free Software Foundation; version 2 dated June, 1991. | |
255 | ||
256 | On Debian GNU/Linux systems, the complete text of the GNU General Public | |
257 | License version 2 can be found in \`/usr/share/common-licenses/GPL-2'. | |
258 | EOF | |
259 | ||
1da177e4 | 260 | # Generate a control file |
3e2ab256 | 261 | cat <<EOF > debian/control |
4bf4cd49 | 262 | Source: linux-upstream |
aa42abed | 263 | Section: kernel |
dc5962fd | 264 | Priority: optional |
edec611d | 265 | Maintainer: $maintainer |
2d7204ac | 266 | Standards-Version: 3.8.4 |
ee6eed80 | 267 | Homepage: http://www.kernel.org/ |
3e2ab256 FP |
268 | EOF |
269 | ||
270 | if [ "$ARCH" = "um" ]; then | |
271 | cat <<EOF >> debian/control | |
dc5962fd SR |
272 | |
273 | Package: $packagename | |
8ebc2fe9 | 274 | Provides: linux-image, linux-image-2.6, linux-modules-$version |
dc5962fd SR |
275 | Architecture: any |
276 | Description: User Mode Linux kernel, version $version | |
277 | User-mode Linux is a port of the Linux kernel to its own system call | |
278 | interface. It provides a kind of virtual machine, which runs Linux | |
279 | as a user process under another Linux kernel. This is useful for | |
280 | kernel development, sandboxes, jails, experimentation, and | |
281 | many other things. | |
282 | . | |
283 | This package contains the Linux kernel, modules and corresponding other | |
a83ca277 | 284 | files, version: $version. |
dc5962fd SR |
285 | EOF |
286 | ||
287 | else | |
3e2ab256 | 288 | cat <<EOF >> debian/control |
1da177e4 | 289 | |
687c3dac | 290 | Package: $packagename |
8ebc2fe9 | 291 | Provides: linux-image, linux-image-2.6, linux-modules-$version |
bf1b3644 | 292 | Suggests: $fwpackagename |
1da177e4 | 293 | Architecture: any |
dc5962fd | 294 | Description: Linux kernel, version $version |
1da177e4 | 295 | This package contains the Linux kernel, modules and corresponding other |
a83ca277 | 296 | files, version: $version. |
1da177e4 | 297 | EOF |
4f66199b | 298 | |
dc5962fd | 299 | fi |
1da177e4 | 300 | |
8bf13561 | 301 | # Build kernel header package |
a765a7ce MM |
302 | (cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles" |
303 | (cd $srctree; find arch/$SRCARCH/include include scripts -type f) >> "$objtree/debian/hdrsrcfiles" | |
8bf13561 FB |
304 | (cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles" |
305 | (cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles" | |
a765a7ce | 306 | (cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles" |
ee81b786 | 307 | destdir=$kernel_headers_dir/usr/src/linux-headers-$version |
308 | mkdir -p "$destdir" | |
a765a7ce MM |
309 | (cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -) |
310 | (cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -) | |
d2091767 | 311 | (cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be |
a47b6c61 | 312 | ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build" |
6c635224 | 313 | rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles" |
cd8d60a2 TT |
314 | |
315 | cat <<EOF >> debian/control | |
316 | ||
ee81b786 | 317 | Package: $kernel_headers_packagename |
cd8d60a2 | 318 | Provides: linux-headers, linux-headers-2.6 |
f8ce239d BH |
319 | Architecture: any |
320 | Description: Linux kernel headers for $KERNELRELEASE on \${kernel:debarch} | |
321 | This package provides kernel header files for $KERNELRELEASE on \${kernel:debarch} | |
cd8d60a2 TT |
322 | . |
323 | This is useful for people who need to build external modules | |
324 | EOF | |
325 | ||
bf1b3644 JM |
326 | # Do we have firmware? Move it out of the way and build it into a package. |
327 | if [ -e "$tmpdir/lib/firmware" ]; then | |
6607ddad | 328 | mv "$tmpdir/lib/firmware"/* "$fwdir/lib/firmware/$version/" |
329 | rmdir "$tmpdir/lib/firmware" | |
bf1b3644 JM |
330 | |
331 | cat <<EOF >> debian/control | |
332 | ||
333 | Package: $fwpackagename | |
334 | Architecture: all | |
335 | Description: Linux kernel firmware, version $version | |
a83ca277 | 336 | This package contains firmware from the Linux kernel, version $version. |
bf1b3644 JM |
337 | EOF |
338 | ||
3e2ab256 | 339 | create_package "$fwpackagename" "$fwdir" |
bf1b3644 JM |
340 | fi |
341 | ||
e6807785 | 342 | cat <<EOF >> debian/control |
343 | ||
ee81b786 | 344 | Package: $libc_headers_packagename |
e6807785 | 345 | Section: devel |
346 | Provides: linux-kernel-headers | |
347 | Architecture: any | |
348 | Description: Linux support headers for userspace development | |
349 | This package provides userspaces headers from the Linux kernel. These headers | |
350 | are used by the installed headers for GNU glibc and other system libraries. | |
351 | EOF | |
352 | ||
d7d357bc JR |
353 | if [ "$ARCH" != "um" ]; then |
354 | create_package "$kernel_headers_packagename" "$kernel_headers_dir" | |
355 | create_package "$libc_headers_packagename" "$libc_headers_dir" | |
356 | fi | |
357 | ||
3e2ab256 | 358 | create_package "$packagename" "$tmpdir" |
1da177e4 | 359 | |
810e8437 AA |
360 | if [ -n "$BUILD_DEBUG" ] ; then |
361 | # Build debug package | |
362 | # Different tools want the image in different locations | |
363 | # perf | |
364 | mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ | |
365 | cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ | |
366 | # systemtap | |
367 | mkdir -p $dbg_dir/usr/lib/debug/boot/ | |
368 | ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version | |
369 | # kdump-tools | |
370 | ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version | |
371 | ||
372 | cat <<EOF >> debian/control | |
373 | ||
374 | Package: $dbg_packagename | |
375 | Section: debug | |
376 | Provides: linux-debug, linux-debug-$version | |
377 | Architecture: any | |
378 | Description: Linux kernel debugging symbols for $version | |
379 | This package will come in handy if you need to debug the kernel. It provides | |
380 | all the necessary debug symbols for the kernel and its modules. | |
381 | EOF | |
382 | ||
383 | create_package "$dbg_packagename" "$dbg_dir" | |
384 | fi | |
385 | ||
1da177e4 | 386 | exit 0 |