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