Loading...
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
30 # Create the package
31 dpkg-gencontrol $forcearch -Vkernel:debarch="${debarch}" -p$pname -P"$pdir"
32 dpkg --build "$pdir" ..
33}
34
35set_debarch() {
36 # Attempt to find the correct Debian architecture
37 case "$UTS_MACHINE" in
38 i386|ia64|alpha)
39 debarch="$UTS_MACHINE" ;;
40 x86_64)
41 debarch=amd64 ;;
42 sparc*)
43 debarch=sparc ;;
44 s390*)
45 debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;;
46 ppc*)
47 debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;;
48 parisc*)
49 debarch=hppa ;;
50 mips*)
51 debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el || true) ;;
52 arm64)
53 debarch=arm64 ;;
54 arm*)
55 if grep -q CONFIG_AEABI=y $KCONFIG_CONFIG; then
56 if grep -q CONFIG_VFP=y $KCONFIG_CONFIG; then
57 debarch=armhf
58 else
59 debarch=armel
60 fi
61 else
62 debarch=arm
63 fi
64 ;;
65 *)
66 debarch=$(dpkg --print-architecture)
67 echo "" >&2
68 echo "** ** ** WARNING ** ** **" >&2
69 echo "" >&2
70 echo "Your architecture doesn't have it's equivalent" >&2
71 echo "Debian userspace architecture defined!" >&2
72 echo "Falling back to using your current userspace instead!" >&2
73 echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
74 echo "" >&2
75 esac
76 if [ -n "$KBUILD_DEBARCH" ] ; then
77 debarch="$KBUILD_DEBARCH"
78 fi
79 forcearch="-DArchitecture=$debarch"
80
81}
82
83# Some variables and settings used throughout the script
84version=$KERNELRELEASE
85revision=$(cat .version)
86if [ -n "$KDEB_PKGVERSION" ]; then
87 packageversion=$KDEB_PKGVERSION
88else
89 packageversion=$version-$revision
90fi
91sourcename=$KDEB_SOURCENAME
92tmpdir="$objtree/debian/tmp"
93fwdir="$objtree/debian/fwtmp"
94kernel_headers_dir="$objtree/debian/hdrtmp"
95libc_headers_dir="$objtree/debian/headertmp"
96dbg_dir="$objtree/debian/dbgtmp"
97packagename=linux-image-$version
98fwpackagename=linux-firmware-image-$version
99kernel_headers_packagename=linux-headers-$version
100libc_headers_packagename=linux-libc-dev
101dbg_packagename=$packagename-dbg
102debarch=
103forcearch=
104set_debarch
105
106if [ "$ARCH" = "um" ] ; then
107 packagename=user-mode-linux-$version
108fi
109
110# Not all arches have the same installed path in debian
111# XXX: have each arch Makefile export a variable of the canonical image install
112# path instead
113case $ARCH in
114um)
115 installed_image_path="usr/bin/linux-$version"
116 ;;
117parisc|mips|powerpc)
118 installed_image_path="boot/vmlinux-$version"
119 ;;
120*)
121 installed_image_path="boot/vmlinuz-$version"
122esac
123
124BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)"
125
126# Setup the directory structure
127rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files
128mkdir -m 755 -p "$tmpdir/DEBIAN"
129mkdir -p "$tmpdir/lib" "$tmpdir/boot"
130mkdir -p "$fwdir/lib/firmware/$version/"
131mkdir -p "$kernel_headers_dir/lib/modules/$version/"
132
133# Build and install the kernel
134if [ "$ARCH" = "um" ] ; then
135 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
136 $MAKE linux
137 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
138 cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
139 gzip "$tmpdir/usr/share/doc/$packagename/config"
140else
141 cp System.map "$tmpdir/boot/System.map-$version"
142 cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
143fi
144# Not all arches include the boot path in KBUILD_IMAGE
145if [ -e $KBUILD_IMAGE ]; then
146 cp $KBUILD_IMAGE "$tmpdir/$installed_image_path"
147else
148 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/$installed_image_path"
149fi
150
151if grep -q "^CONFIG_OF=y" $KCONFIG_CONFIG ; then
152 # Only some architectures with OF support have this target
153 if grep -q dtbs_install "${srctree}/arch/$SRCARCH/Makefile"; then
154 $MAKE KBUILD_SRC= INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
155 fi
156fi
157
158if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
159 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
160 rm -f "$tmpdir/lib/modules/$version/build"
161 rm -f "$tmpdir/lib/modules/$version/source"
162 if [ "$ARCH" = "um" ] ; then
163 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
164 rmdir "$tmpdir/lib/modules/$version"
165 fi
166 if [ -n "$BUILD_DEBUG" ] ; then
167 for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
168 module=lib/modules/$module
169 mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
170 # only keep debug symbols in the debug file
171 $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
172 # strip original module from debug symbols
173 $OBJCOPY --strip-debug $tmpdir/$module
174 # then add a link to those
175 $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
176 done
177
178 # resign stripped modules
179 MODULE_SIG_ALL="$(grep -s '^CONFIG_MODULE_SIG_ALL=y' $KCONFIG_CONFIG || true)"
180 if [ -n "$MODULE_SIG_ALL" ]; then
181 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_sign
182 fi
183 fi
184fi
185
186if [ "$ARCH" != "um" ]; then
187 $MAKE headers_check KBUILD_SRC=
188 $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr"
189fi
190
191# Install the maintainer scripts
192# Note: hook scripts under /etc/kernel are also executed by official Debian
193# kernel packages, as well as kernel packages built using make-kpkg.
194# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
195# so do we; recent versions of dracut and initramfs-tools will obey this.
196debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
197if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then
198 want_initrd=Yes
199else
200 want_initrd=No
201fi
202for script in postinst postrm preinst prerm ; do
203 mkdir -p "$tmpdir$debhookdir/$script.d"
204 cat <<EOF > "$tmpdir/DEBIAN/$script"
205#!/bin/sh
206
207set -e
208
209# Pass maintainer script parameters to hook scripts
210export DEB_MAINT_PARAMS="\$*"
211
212# Tell initramfs builder whether it's wanted
213export INITRD=$want_initrd
214
215test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
216exit 0
217EOF
218 chmod 755 "$tmpdir/DEBIAN/$script"
219done
220
221# Try to determine maintainer and email values
222if [ -n "$DEBEMAIL" ]; then
223 email=$DEBEMAIL
224elif [ -n "$EMAIL" ]; then
225 email=$EMAIL
226else
227 email=$(id -nu)@$(hostname -f 2>/dev/null || hostname)
228fi
229if [ -n "$DEBFULLNAME" ]; then
230 name=$DEBFULLNAME
231elif [ -n "$NAME" ]; then
232 name=$NAME
233else
234 name="Anonymous"
235fi
236maintainer="$name <$email>"
237
238# Try to determine distribution
239if [ -n "$KDEB_CHANGELOG_DIST" ]; then
240 distribution=$KDEB_CHANGELOG_DIST
241elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ]; then
242 : # nothing to do in this case
243else
244 distribution="unstable"
245 echo >&2 "Using default distribution of 'unstable' in the changelog"
246 echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"
247fi
248
249# Generate a simple changelog template
250cat <<EOF > debian/changelog
251$sourcename ($packageversion) $distribution; urgency=low
252
253 * Custom built Linux kernel.
254
255 -- $maintainer $(date -R)
256EOF
257
258# Generate copyright file
259cat <<EOF > debian/copyright
260This is a packacked upstream version of the Linux kernel.
261
262The sources may be found at most Linux ftp sites, including:
263ftp://ftp.kernel.org/pub/linux/kernel
264
265Copyright: 1991 - 2015 Linus Torvalds and others.
266
267The git repository for mainline kernel development is at:
268git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
269
270 This program is free software; you can redistribute it and/or modify
271 it under the terms of the GNU General Public License as published by
272 the Free Software Foundation; version 2 dated June, 1991.
273
274On Debian GNU/Linux systems, the complete text of the GNU General Public
275License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
276EOF
277
278
279build_depends="bc, kmod, cpio "
280
281# Generate a control file
282cat <<EOF > debian/control
283Source: $sourcename
284Section: kernel
285Priority: optional
286Maintainer: $maintainer
287Build-Depends: $build_depends
288Standards-Version: 3.8.4
289Homepage: http://www.kernel.org/
290EOF
291
292if [ "$ARCH" = "um" ]; then
293 cat <<EOF >> debian/control
294
295Package: $packagename
296Provides: linux-image, linux-image-2.6, linux-modules-$version
297Architecture: any
298Description: User Mode Linux kernel, version $version
299 User-mode Linux is a port of the Linux kernel to its own system call
300 interface. It provides a kind of virtual machine, which runs Linux
301 as a user process under another Linux kernel. This is useful for
302 kernel development, sandboxes, jails, experimentation, and
303 many other things.
304 .
305 This package contains the Linux kernel, modules and corresponding other
306 files, version: $version.
307EOF
308
309else
310 cat <<EOF >> debian/control
311
312Package: $packagename
313Provides: linux-image, linux-image-2.6, linux-modules-$version
314Suggests: $fwpackagename
315Architecture: any
316Description: Linux kernel, version $version
317 This package contains the Linux kernel, modules and corresponding other
318 files, version: $version.
319EOF
320
321fi
322
323# Build kernel header package
324(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
325(cd $srctree; find arch/$SRCARCH/include include scripts -type f) >> "$objtree/debian/hdrsrcfiles"
326(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
327(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
328(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
329destdir=$kernel_headers_dir/usr/src/linux-headers-$version
330mkdir -p "$destdir"
331(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
332(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
333(cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be
334ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
335rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
336
337cat <<EOF >> debian/control
338
339Package: $kernel_headers_packagename
340Provides: linux-headers, linux-headers-2.6
341Architecture: any
342Description: Linux kernel headers for $KERNELRELEASE on \${kernel:debarch}
343 This package provides kernel header files for $KERNELRELEASE on \${kernel:debarch}
344 .
345 This is useful for people who need to build external modules
346EOF
347
348# Do we have firmware? Move it out of the way and build it into a package.
349if [ -e "$tmpdir/lib/firmware" ]; then
350 mv "$tmpdir/lib/firmware"/* "$fwdir/lib/firmware/$version/"
351 rmdir "$tmpdir/lib/firmware"
352
353 cat <<EOF >> debian/control
354
355Package: $fwpackagename
356Architecture: all
357Description: Linux kernel firmware, version $version
358 This package contains firmware from the Linux kernel, version $version.
359EOF
360
361 create_package "$fwpackagename" "$fwdir"
362fi
363
364cat <<EOF >> debian/control
365
366Package: $libc_headers_packagename
367Section: devel
368Provides: linux-kernel-headers
369Architecture: any
370Description: Linux support headers for userspace development
371 This package provides userspaces headers from the Linux kernel. These headers
372 are used by the installed headers for GNU glibc and other system libraries.
373EOF
374
375if [ "$ARCH" != "um" ]; then
376 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
377 create_package "$libc_headers_packagename" "$libc_headers_dir"
378fi
379
380create_package "$packagename" "$tmpdir"
381
382if [ -n "$BUILD_DEBUG" ] ; then
383 # Build debug package
384 # Different tools want the image in different locations
385 # perf
386 mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
387 cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
388 # systemtap
389 mkdir -p $dbg_dir/usr/lib/debug/boot/
390 ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
391 # kdump-tools
392 ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
393
394 cat <<EOF >> debian/control
395
396Package: $dbg_packagename
397Section: debug
398Provides: linux-debug, linux-debug-$version
399Architecture: any
400Description: Linux kernel debugging symbols for $version
401 This package will come in handy if you need to debug the kernel. It provides
402 all the necessary debug symbols for the kernel and its modules.
403EOF
404
405 create_package "$dbg_packagename" "$dbg_dir"
406fi
407
408if [ "x$1" = "xdeb-pkg" ]
409then
410 cat <<EOF > debian/rules
411#!/usr/bin/make -f
412
413build:
414 \$(MAKE)
415
416binary-arch:
417 \$(MAKE) KDEB_SOURCENAME=${sourcename} KDEB_PKGVERSION=${packageversion} bindeb-pkg
418
419clean:
420 rm -rf debian/*tmp debian/files
421 mv debian/ debian.backup # debian/ might be cleaned away
422 \$(MAKE) clean
423 mv debian.backup debian
424
425binary: binary-arch
426EOF
427 mv ${sourcename}.tar.gz ../${sourcename}_${version}.orig.tar.gz
428 tar caf ../${sourcename}_${packageversion}.debian.tar.gz debian/{copyright,rules,changelog,control}
429 dpkg-source -cdebian/control -ldebian/changelog --format="3.0 (custom)" --target-format="3.0 (quilt)" \
430 -b / ../${sourcename}_${version}.orig.tar.gz ../${sourcename}_${packageversion}.debian.tar.gz
431 mv ${sourcename}_${packageversion}*dsc ..
432 dpkg-genchanges > ../${sourcename}_${packageversion}_${debarch}.changes
433else
434 dpkg-genchanges -b > ../${sourcename}_${packageversion}_${debarch}.changes
435fi
436
437exit 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="$2"
17
18 mkdir -m 755 -p "$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 $forcearch -Vkernel:debarch="${debarch}" -p$pname -P"$pdir"
34 dpkg --build "$pdir" ..
35}
36
37set_debarch() {
38 # Attempt to find the correct Debian architecture
39 case "$UTS_MACHINE" in
40 i386|ia64|alpha)
41 debarch="$UTS_MACHINE" ;;
42 x86_64)
43 debarch=amd64 ;;
44 sparc*)
45 debarch=sparc ;;
46 s390*)
47 debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;;
48 ppc*)
49 debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;;
50 parisc*)
51 debarch=hppa ;;
52 mips*)
53 debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el || true) ;;
54 aarch64|arm64)
55 debarch=arm64 ;;
56 arm*)
57 if grep -q CONFIG_AEABI=y $KCONFIG_CONFIG; then
58 if grep -q CONFIG_VFP=y $KCONFIG_CONFIG; then
59 debarch=armhf
60 else
61 debarch=armel
62 fi
63 else
64 debarch=arm
65 fi
66 ;;
67 *)
68 debarch=$(dpkg --print-architecture)
69 echo "" >&2
70 echo "** ** ** WARNING ** ** **" >&2
71 echo "" >&2
72 echo "Your architecture doesn't have it's equivalent" >&2
73 echo "Debian userspace architecture defined!" >&2
74 echo "Falling back to using your current userspace instead!" >&2
75 echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
76 echo "" >&2
77 esac
78 if [ -n "$KBUILD_DEBARCH" ] ; then
79 debarch="$KBUILD_DEBARCH"
80 fi
81 forcearch="-DArchitecture=$debarch"
82
83}
84
85# Some variables and settings used throughout the script
86version=$KERNELRELEASE
87revision=$(cat .version)
88if [ -n "$KDEB_PKGVERSION" ]; then
89 packageversion=$KDEB_PKGVERSION
90else
91 packageversion=$version-$revision
92fi
93sourcename=$KDEB_SOURCENAME
94tmpdir="$objtree/debian/tmp"
95fwdir="$objtree/debian/fwtmp"
96kernel_headers_dir="$objtree/debian/hdrtmp"
97libc_headers_dir="$objtree/debian/headertmp"
98dbg_dir="$objtree/debian/dbgtmp"
99packagename=linux-image-$version
100fwpackagename=linux-firmware-image-$version
101kernel_headers_packagename=linux-headers-$version
102libc_headers_packagename=linux-libc-dev
103dbg_packagename=$packagename-dbg
104debarch=
105forcearch=
106set_debarch
107
108if [ "$ARCH" = "um" ] ; then
109 packagename=user-mode-linux-$version
110fi
111
112# Not all arches have the same installed path in debian
113# XXX: have each arch Makefile export a variable of the canonical image install
114# path instead
115case $ARCH in
116um)
117 installed_image_path="usr/bin/linux-$version"
118 ;;
119parisc|mips|powerpc)
120 installed_image_path="boot/vmlinux-$version"
121 ;;
122*)
123 installed_image_path="boot/vmlinuz-$version"
124esac
125
126BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)"
127
128# Setup the directory structure
129rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files
130mkdir -m 755 -p "$tmpdir/DEBIAN"
131mkdir -p "$tmpdir/lib" "$tmpdir/boot"
132mkdir -p "$fwdir/lib/firmware/$version/"
133mkdir -p "$kernel_headers_dir/lib/modules/$version/"
134
135# Build and install the kernel
136if [ "$ARCH" = "um" ] ; then
137 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
138 $MAKE linux
139 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
140 cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
141 gzip "$tmpdir/usr/share/doc/$packagename/config"
142else
143 cp System.map "$tmpdir/boot/System.map-$version"
144 cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
145fi
146# Not all arches include the boot path in KBUILD_IMAGE
147if [ -e $KBUILD_IMAGE ]; then
148 cp $KBUILD_IMAGE "$tmpdir/$installed_image_path"
149else
150 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/$installed_image_path"
151fi
152
153if grep -q "^CONFIG_OF=y" $KCONFIG_CONFIG ; then
154 # Only some architectures with OF support have this target
155 if grep -q dtbs_install "${srctree}/arch/$SRCARCH/Makefile"; then
156 $MAKE KBUILD_SRC= INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
157 fi
158fi
159
160if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
161 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
162 rm -f "$tmpdir/lib/modules/$version/build"
163 rm -f "$tmpdir/lib/modules/$version/source"
164 if [ "$ARCH" = "um" ] ; then
165 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
166 rmdir "$tmpdir/lib/modules/$version"
167 fi
168 if [ -n "$BUILD_DEBUG" ] ; then
169 for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
170 module=lib/modules/$module
171 mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
172 # only keep debug symbols in the debug file
173 $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
174 # strip original module from debug symbols
175 $OBJCOPY --strip-debug $tmpdir/$module
176 # then add a link to those
177 $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
178 done
179
180 # resign stripped modules
181 MODULE_SIG_ALL="$(grep -s '^CONFIG_MODULE_SIG_ALL=y' $KCONFIG_CONFIG || true)"
182 if [ -n "$MODULE_SIG_ALL" ]; then
183 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_sign
184 fi
185 fi
186fi
187
188if [ "$ARCH" != "um" ]; then
189 $MAKE headers_check KBUILD_SRC=
190 $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr"
191fi
192
193# Install the maintainer scripts
194# Note: hook scripts under /etc/kernel are also executed by official Debian
195# kernel packages, as well as kernel packages built using make-kpkg.
196# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
197# so do we; recent versions of dracut and initramfs-tools will obey this.
198debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
199if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then
200 want_initrd=Yes
201else
202 want_initrd=No
203fi
204for script in postinst postrm preinst prerm ; do
205 mkdir -p "$tmpdir$debhookdir/$script.d"
206 cat <<EOF > "$tmpdir/DEBIAN/$script"
207#!/bin/sh
208
209set -e
210
211# Pass maintainer script parameters to hook scripts
212export DEB_MAINT_PARAMS="\$*"
213
214# Tell initramfs builder whether it's wanted
215export INITRD=$want_initrd
216
217test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
218exit 0
219EOF
220 chmod 755 "$tmpdir/DEBIAN/$script"
221done
222
223# Try to determine maintainer and email values
224if [ -n "$DEBEMAIL" ]; then
225 email=$DEBEMAIL
226elif [ -n "$EMAIL" ]; then
227 email=$EMAIL
228else
229 email=$(id -nu)@$(hostname -f 2>/dev/null || hostname)
230fi
231if [ -n "$DEBFULLNAME" ]; then
232 name=$DEBFULLNAME
233elif [ -n "$NAME" ]; then
234 name=$NAME
235else
236 name="Anonymous"
237fi
238maintainer="$name <$email>"
239
240# Try to determine distribution
241if [ -n "$KDEB_CHANGELOG_DIST" ]; then
242 distribution=$KDEB_CHANGELOG_DIST
243# In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog
244elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then
245 : # nothing to do in this case
246else
247 distribution="unstable"
248 echo >&2 "Using default distribution of 'unstable' in the changelog"
249 echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"
250fi
251
252# Generate a simple changelog template
253cat <<EOF > debian/changelog
254$sourcename ($packageversion) $distribution; urgency=low
255
256 * Custom built Linux kernel.
257
258 -- $maintainer $(date -R)
259EOF
260
261# Generate copyright file
262cat <<EOF > debian/copyright
263This is a packacked upstream version of the Linux kernel.
264
265The sources may be found at most Linux ftp sites, including:
266ftp://ftp.kernel.org/pub/linux/kernel
267
268Copyright: 1991 - 2015 Linus Torvalds and others.
269
270The git repository for mainline kernel development is at:
271git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
272
273 This program is free software; you can redistribute it and/or modify
274 it under the terms of the GNU General Public License as published by
275 the Free Software Foundation; version 2 dated June, 1991.
276
277On Debian GNU/Linux systems, the complete text of the GNU General Public
278License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
279EOF
280
281
282build_depends="bc, kmod, cpio "
283
284# Generate a control file
285cat <<EOF > debian/control
286Source: $sourcename
287Section: kernel
288Priority: optional
289Maintainer: $maintainer
290Build-Depends: $build_depends
291Standards-Version: 3.8.4
292Homepage: http://www.kernel.org/
293EOF
294
295if [ "$ARCH" = "um" ]; then
296 cat <<EOF >> debian/control
297
298Package: $packagename
299Provides: linux-image, linux-image-2.6, linux-modules-$version
300Architecture: any
301Description: User Mode Linux kernel, version $version
302 User-mode Linux is a port of the Linux kernel to its own system call
303 interface. It provides a kind of virtual machine, which runs Linux
304 as a user process under another Linux kernel. This is useful for
305 kernel development, sandboxes, jails, experimentation, and
306 many other things.
307 .
308 This package contains the Linux kernel, modules and corresponding other
309 files, version: $version.
310EOF
311
312else
313 cat <<EOF >> debian/control
314
315Package: $packagename
316Provides: linux-image, linux-image-2.6, linux-modules-$version
317Suggests: $fwpackagename
318Architecture: any
319Description: Linux kernel, version $version
320 This package contains the Linux kernel, modules and corresponding other
321 files, version: $version.
322EOF
323
324fi
325
326# Build kernel header package
327(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
328(cd $srctree; find arch/*/include include scripts -type f) >> "$objtree/debian/hdrsrcfiles"
329(cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
330(cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
331if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then
332 (cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
333fi
334(cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
335if grep -q '^CONFIG_GCC_PLUGINS=y' $KCONFIG_CONFIG ; then
336 (cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
337fi
338destdir=$kernel_headers_dir/usr/src/linux-headers-$version
339mkdir -p "$destdir"
340(cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
341(cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
342(cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be
343ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
344rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
345
346cat <<EOF >> debian/control
347
348Package: $kernel_headers_packagename
349Provides: linux-headers, linux-headers-2.6
350Architecture: any
351Description: Linux kernel headers for $KERNELRELEASE on \${kernel:debarch}
352 This package provides kernel header files for $KERNELRELEASE on \${kernel:debarch}
353 .
354 This is useful for people who need to build external modules
355EOF
356
357# Do we have firmware? Move it out of the way and build it into a package.
358if [ -e "$tmpdir/lib/firmware" ]; then
359 mv "$tmpdir/lib/firmware"/* "$fwdir/lib/firmware/$version/"
360 rmdir "$tmpdir/lib/firmware"
361
362 cat <<EOF >> debian/control
363
364Package: $fwpackagename
365Architecture: all
366Description: Linux kernel firmware, version $version
367 This package contains firmware from the Linux kernel, version $version.
368EOF
369
370 create_package "$fwpackagename" "$fwdir"
371fi
372
373cat <<EOF >> debian/control
374
375Package: $libc_headers_packagename
376Section: devel
377Provides: linux-kernel-headers
378Architecture: any
379Description: Linux support headers for userspace development
380 This package provides userspaces headers from the Linux kernel. These headers
381 are used by the installed headers for GNU glibc and other system libraries.
382EOF
383
384if [ "$ARCH" != "um" ]; then
385 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
386 create_package "$libc_headers_packagename" "$libc_headers_dir"
387fi
388
389create_package "$packagename" "$tmpdir"
390
391if [ -n "$BUILD_DEBUG" ] ; then
392 # Build debug package
393 # Different tools want the image in different locations
394 # perf
395 mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
396 cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
397 # systemtap
398 mkdir -p $dbg_dir/usr/lib/debug/boot/
399 ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
400 # kdump-tools
401 ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
402
403 cat <<EOF >> debian/control
404
405Package: $dbg_packagename
406Section: debug
407Provides: linux-debug, linux-debug-$version
408Architecture: any
409Description: Linux kernel debugging symbols for $version
410 This package will come in handy if you need to debug the kernel. It provides
411 all the necessary debug symbols for the kernel and its modules.
412EOF
413
414 create_package "$dbg_packagename" "$dbg_dir"
415fi
416
417if [ "x$1" = "xdeb-pkg" ]
418then
419 cat <<EOF > debian/rules
420#!/usr/bin/make -f
421
422build:
423 \$(MAKE)
424
425binary-arch:
426 \$(MAKE) KDEB_SOURCENAME=${sourcename} KDEB_PKGVERSION=${packageversion} bindeb-pkg
427
428clean:
429 rm -rf debian/*tmp debian/files
430 mv debian/ debian.backup # debian/ might be cleaned away
431 \$(MAKE) clean
432 mv debian.backup debian
433
434binary: binary-arch
435EOF
436 mv ${sourcename}.tar.gz ../${sourcename}_${version}.orig.tar.gz
437 tar caf ../${sourcename}_${packageversion}.debian.tar.gz debian/{copyright,rules,changelog,control}
438 dpkg-source -cdebian/control -ldebian/changelog --format="3.0 (custom)" --target-format="3.0 (quilt)" \
439 -b / ../${sourcename}_${version}.orig.tar.gz ../${sourcename}_${packageversion}.debian.tar.gz
440 mv ${sourcename}_${packageversion}*dsc ..
441 dpkg-genchanges > ../${sourcename}_${packageversion}_${debarch}.changes
442else
443 dpkg-genchanges -b > ../${sourcename}_${packageversion}_${debarch}.changes
444fi
445
446exit 0