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 "$pdir"
29 # in case we are in a restrictive umask environment like 0077
30 chmod -R a+rX "$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/$kernel_headers_packagename"
100mkdir -p "$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