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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
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="$2"
29 local dpkg_deb_opts
30
31 mkdir -m 755 -p "$pdir/DEBIAN"
32 mkdir -p "$pdir/usr/share/doc/$pname"
33 cp debian/copyright "$pdir/usr/share/doc/$pname/"
34 cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
35 gzip -n -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
36 sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
37 | xargs -r0 md5sum > DEBIAN/md5sums"
38
39 # Fix ownership and permissions
40 if [ "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then
41 dpkg_deb_opts="--root-owner-group"
42 else
43 chown -R root:root "$pdir"
44 fi
45 chmod -R go-w "$pdir"
46 # in case we are in a restrictive umask environment like 0077
47 chmod -R a+rX "$pdir"
48 # in case we build in a setuid/setgid directory
49 chmod -R ug-s "$pdir"
50
51 # Create the package
52 dpkg-gencontrol -p$pname -P"$pdir"
53 dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" ..
54}
55
56deploy_kernel_headers () {
57 pdir=$1
58
59 rm -rf $pdir
60
61 (
62 cd $srctree
63 find . arch/$SRCARCH -maxdepth 1 -name Makefile\*
64 find include scripts -type f -o -type l
65 find arch/$SRCARCH -name Kbuild.platforms -o -name Platform
66 find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f
67 ) > debian/hdrsrcfiles
68
69 {
70 if is_enabled CONFIG_OBJTOOL; then
71 echo tools/objtool/objtool
72 fi
73
74 find arch/$SRCARCH/include Module.symvers include scripts -type f
75
76 if is_enabled CONFIG_GCC_PLUGINS; then
77 find scripts/gcc-plugins -name \*.so
78 fi
79 } > debian/hdrobjfiles
80
81 destdir=$pdir/usr/src/linux-headers-$version
82 mkdir -p $destdir
83 tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir
84 tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir
85 rm -f debian/hdrsrcfiles debian/hdrobjfiles
86
87 # copy .config manually to be where it's expected to be
88 cp $KCONFIG_CONFIG $destdir/.config
89
90 mkdir -p $pdir/lib/modules/$version/
91 ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
92}
93
94deploy_libc_headers () {
95 pdir=$1
96
97 rm -rf $pdir
98
99 $MAKE -f $srctree/Makefile headers
100 $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
101
102 # move asm headers to /usr/include/<libc-machine>/asm to match the structure
103 # used by Debian-based distros (to support multi-arch)
104 host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH)
105 mkdir $pdir/usr/include/$host_arch
106 mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/
107}
108
109version=$KERNELRELEASE
110tmpdir=debian/linux-image
111dbg_dir=debian/linux-image-dbg
112packagename=linux-image-$version
113dbg_packagename=$packagename-dbg
114
115if [ "$ARCH" = "um" ] ; then
116 packagename=user-mode-linux-$version
117fi
118
119# Not all arches have the same installed path in debian
120# XXX: have each arch Makefile export a variable of the canonical image install
121# path instead
122case $ARCH in
123um)
124 installed_image_path="usr/bin/linux-$version"
125 ;;
126parisc|mips|powerpc)
127 installed_image_path="boot/vmlinux-$version"
128 ;;
129*)
130 installed_image_path="boot/vmlinuz-$version"
131esac
132
133BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)
134
135# Setup the directory structure
136rm -rf "$tmpdir" "$dbg_dir" debian/files
137mkdir -m 755 -p "$tmpdir/DEBIAN"
138mkdir -p "$tmpdir/lib" "$tmpdir/boot"
139
140# Install the kernel
141if [ "$ARCH" = "um" ] ; then
142 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
143 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
144 cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
145 gzip "$tmpdir/usr/share/doc/$packagename/config"
146else
147 cp System.map "$tmpdir/boot/System.map-$version"
148 cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
149fi
150cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"
151
152if is_enabled CONFIG_OF_EARLY_FLATTREE; then
153 # Only some architectures with OF support have this target
154 if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then
155 $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
156 fi
157fi
158
159if is_enabled CONFIG_MODULES; then
160 INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install
161 rm -f "$tmpdir/lib/modules/$version/build"
162 rm -f "$tmpdir/lib/modules/$version/source"
163 if [ "$ARCH" = "um" ] ; then
164 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
165 rmdir "$tmpdir/lib/modules/$version"
166 fi
167 if [ -n "$BUILD_DEBUG" ] ; then
168 for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
169 module=lib/modules/$module
170 mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
171 # only keep debug symbols in the debug file
172 $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
173 # strip original module from debug symbols
174 $OBJCOPY --strip-debug $tmpdir/$module
175 # then add a link to those
176 $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
177 done
178
179 # resign stripped modules
180 if is_enabled CONFIG_MODULE_SIG_ALL; then
181 INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign
182 fi
183 fi
184fi
185
186# Install the maintainer scripts
187# Note: hook scripts under /etc/kernel are also executed by official Debian
188# kernel packages, as well as kernel packages built using make-kpkg.
189# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
190# so do we; recent versions of dracut and initramfs-tools will obey this.
191debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
192for script in postinst postrm preinst prerm ; do
193 mkdir -p "$tmpdir$debhookdir/$script.d"
194 cat <<EOF > "$tmpdir/DEBIAN/$script"
195#!/bin/sh
196
197set -e
198
199# Pass maintainer script parameters to hook scripts
200export DEB_MAINT_PARAMS="\$*"
201
202# Tell initramfs builder whether it's wanted
203export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
204
205test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
206exit 0
207EOF
208 chmod 755 "$tmpdir/DEBIAN/$script"
209done
210
211if [ "$ARCH" != "um" ]; then
212 if is_enabled CONFIG_MODULES; then
213 deploy_kernel_headers debian/linux-headers
214 create_package linux-headers-$version debian/linux-headers
215 fi
216
217 deploy_libc_headers debian/linux-libc-dev
218 create_package linux-libc-dev debian/linux-libc-dev
219fi
220
221create_package "$packagename" "$tmpdir"
222
223if [ -n "$BUILD_DEBUG" ] ; then
224 # Build debug package
225 # Different tools want the image in different locations
226 # perf
227 mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
228 cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
229 # systemtap
230 mkdir -p $dbg_dir/usr/lib/debug/boot/
231 ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
232 # kdump-tools
233 ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
234 create_package "$dbg_packagename" "$dbg_dir"
235fi
236
237exit 0