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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 | ||
515f4c63 | 15 | is_enabled() { |
6fb7ef5a | 16 | grep -q "^$1=y" include/config/auto.conf |
515f4c63 MY |
17 | } |
18 | ||
19 | if_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 | ||
3e2ab256 FP |
27 | create_package() { |
28 | local pname="$1" pdir="$2" | |
29 | ||
bf7b0055 RV |
30 | mkdir -m 755 -p "$pdir/DEBIAN" |
31 | mkdir -p "$pdir/usr/share/doc/$pname" | |
9461f666 | 32 | cp debian/copyright "$pdir/usr/share/doc/$pname/" |
1ab18486 | 33 | cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" |
34 | gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian" | |
b59a1225 FJ |
35 | sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ |
36 | | xargs -r0 md5sum > DEBIAN/md5sums" | |
9461f666 | 37 | |
3e2ab256 FP |
38 | # Fix ownership and permissions |
39 | chown -R root:root "$pdir" | |
40 | chmod -R go-w "$pdir" | |
ca617dc6 HS |
41 | # in case we are in a restrictive umask environment like 0077 |
42 | chmod -R a+rX "$pdir" | |
3e2ab256 | 43 | |
dca0c024 | 44 | # Create the package |
b41d920a | 45 | dpkg-gencontrol -p$pname -P"$pdir" |
1a7f0a34 | 46 | dpkg-deb ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" .. |
dca0c024 RV |
47 | } |
48 | ||
1da177e4 | 49 | version=$KERNELRELEASE |
f9a4711e MY |
50 | tmpdir=debian/linux-image |
51 | kernel_headers_dir=debian/linux-headers | |
52 | libc_headers_dir=debian/linux-libc-dev | |
53 | dbg_dir=debian/linux-image-dbg | |
f7a2c31f | 54 | packagename=linux-image-$version |
ee81b786 | 55 | kernel_headers_packagename=linux-headers-$version |
56 | libc_headers_packagename=linux-libc-dev | |
810e8437 | 57 | dbg_packagename=$packagename-dbg |
687c3dac | 58 | |
4f66199b | 59 | if [ "$ARCH" = "um" ] ; then |
687c3dac SR |
60 | packagename=user-mode-linux-$version |
61 | fi | |
1da177e4 | 62 | |
9de70176 AA |
63 | # Not all arches have the same installed path in debian |
64 | # XXX: have each arch Makefile export a variable of the canonical image install | |
65 | # path instead | |
66 | case $ARCH in | |
67 | um) | |
68 | installed_image_path="usr/bin/linux-$version" | |
69 | ;; | |
70 | parisc|mips|powerpc) | |
71 | installed_image_path="boot/vmlinux-$version" | |
72 | ;; | |
73 | *) | |
74 | installed_image_path="boot/vmlinuz-$version" | |
75 | esac | |
76 | ||
515f4c63 | 77 | BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes) |
810e8437 | 78 | |
1da177e4 | 79 | # Setup the directory structure |
f9a4711e | 80 | rm -rf "$tmpdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" debian/files |
e86c2412 | 81 | mkdir -m 755 -p "$tmpdir/DEBIAN" |
bf7b0055 | 82 | mkdir -p "$tmpdir/lib" "$tmpdir/boot" |
a47b6c61 | 83 | mkdir -p "$kernel_headers_dir/lib/modules/$version/" |
1da177e4 LT |
84 | |
85 | # Build and install the kernel | |
4f66199b | 86 | if [ "$ARCH" = "um" ] ; then |
bf7b0055 | 87 | mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename" |
687c3dac SR |
88 | $MAKE linux |
89 | cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" | |
d2091767 | 90 | cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config" |
687c3dac | 91 | gzip "$tmpdir/usr/share/doc/$packagename/config" |
38385f8f | 92 | else |
687c3dac | 93 | cp System.map "$tmpdir/boot/System.map-$version" |
d2091767 | 94 | cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version" |
9de70176 | 95 | fi |
02826a6b | 96 | cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path" |
1da177e4 | 97 | |
515f4c63 | 98 | if is_enabled CONFIG_OF_EARLY_FLATTREE; then |
ca2a9d2c | 99 | # Only some architectures with OF support have this target |
d5615e47 | 100 | if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then |
175209cc | 101 | $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install |
ca2a9d2c AP |
102 | fi |
103 | fi | |
104 | ||
515f4c63 | 105 | if is_enabled CONFIG_MODULES; then |
175209cc | 106 | INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install |
a47b6c61 JR |
107 | rm -f "$tmpdir/lib/modules/$version/build" |
108 | rm -f "$tmpdir/lib/modules/$version/source" | |
4f66199b | 109 | if [ "$ARCH" = "um" ] ; then |
687c3dac SR |
110 | mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" |
111 | rmdir "$tmpdir/lib/modules/$version" | |
112 | fi | |
810e8437 | 113 | if [ -n "$BUILD_DEBUG" ] ; then |
2d087139 MM |
114 | for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do |
115 | module=lib/modules/$module | |
116 | mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module) | |
117 | # only keep debug symbols in the debug file | |
118 | $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module | |
119 | # strip original module from debug symbols | |
120 | $OBJCOPY --strip-debug $tmpdir/$module | |
121 | # then add a link to those | |
122 | $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module | |
123 | done | |
64178cb6 AS |
124 | |
125 | # resign stripped modules | |
515f4c63 | 126 | if is_enabled CONFIG_MODULE_SIG_ALL; then |
175209cc | 127 | INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign |
64178cb6 | 128 | fi |
810e8437 | 129 | fi |
1da177e4 LT |
130 | fi |
131 | ||
d7d357bc | 132 | if [ "$ARCH" != "um" ]; then |
0315bb7a | 133 | $MAKE -f $srctree/Makefile headers |
175209cc | 134 | $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH="$libc_headers_dir/usr" |
5a464217 CH |
135 | # move asm headers to /usr/include/<libc-machine>/asm to match the structure |
136 | # used by Debian-based distros (to support multi-arch) | |
137 | host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH) | |
138 | mkdir $libc_headers_dir/usr/include/$host_arch | |
139 | mv $libc_headers_dir/usr/include/asm $libc_headers_dir/usr/include/$host_arch/ | |
d7d357bc | 140 | fi |
e6807785 | 141 | |
1da177e4 | 142 | # Install the maintainer scripts |
fe233cb6 | 143 | # Note: hook scripts under /etc/kernel are also executed by official Debian |
1c8ddae0 BH |
144 | # kernel packages, as well as kernel packages built using make-kpkg. |
145 | # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and | |
146 | # so do we; recent versions of dracut and initramfs-tools will obey this. | |
fe233cb6 | 147 | debhookdir=${KDEB_HOOKDIR:-/etc/kernel} |
1da177e4 | 148 | for script in postinst postrm preinst prerm ; do |
fe233cb6 | 149 | mkdir -p "$tmpdir$debhookdir/$script.d" |
1da177e4 LT |
150 | cat <<EOF > "$tmpdir/DEBIAN/$script" |
151 | #!/bin/sh | |
152 | ||
153 | set -e | |
154 | ||
4964451a | 155 | # Pass maintainer script parameters to hook scripts |
241ad11f | 156 | export DEB_MAINT_PARAMS="\$*" |
4964451a | 157 | |
1c8ddae0 | 158 | # Tell initramfs builder whether it's wanted |
515f4c63 | 159 | export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No) |
1c8ddae0 | 160 | |
c95182bf | 161 | test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d |
1da177e4 LT |
162 | exit 0 |
163 | EOF | |
164 | chmod 755 "$tmpdir/DEBIAN/$script" | |
165 | done | |
166 | ||
8bf13561 | 167 | # Build kernel header package |
9a92eee3 MY |
168 | ( |
169 | cd $srctree | |
170 | find . arch/$SRCARCH -maxdepth 1 -name Makefile\* | |
171 | find include scripts -type f -o -type l | |
172 | find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform | |
173 | find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f | |
174 | ) > debian/hdrsrcfiles | |
175 | ||
176 | { | |
177 | if is_enabled CONFIG_STACK_VALIDATION; then | |
178 | echo tools/objtool/objtool | |
179 | fi | |
180 | ||
181 | find arch/$SRCARCH/include Module.symvers include scripts -type f | |
182 | ||
183 | if is_enabled CONFIG_GCC_PLUGINS; then | |
184 | find scripts/gcc-plugins -name \*.so | |
185 | fi | |
186 | } > debian/hdrobjfiles | |
187 | ||
ee81b786 | 188 | destdir=$kernel_headers_dir/usr/src/linux-headers-$version |
189 | mkdir -p "$destdir" | |
9a92eee3 MY |
190 | tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir |
191 | tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir | |
f9a4711e | 192 | cp $KCONFIG_CONFIG $destdir/.config # copy .config manually to be where it's expected to be |
a47b6c61 | 193 | ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build" |
f9a4711e | 194 | rm -f debian/hdrsrcfiles debian/hdrobjfiles |
cd8d60a2 | 195 | |
d7d357bc JR |
196 | if [ "$ARCH" != "um" ]; then |
197 | create_package "$kernel_headers_packagename" "$kernel_headers_dir" | |
198 | create_package "$libc_headers_packagename" "$libc_headers_dir" | |
199 | fi | |
200 | ||
3e2ab256 | 201 | create_package "$packagename" "$tmpdir" |
1da177e4 | 202 | |
810e8437 AA |
203 | if [ -n "$BUILD_DEBUG" ] ; then |
204 | # Build debug package | |
205 | # Different tools want the image in different locations | |
206 | # perf | |
207 | mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ | |
208 | cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ | |
209 | # systemtap | |
210 | mkdir -p $dbg_dir/usr/lib/debug/boot/ | |
211 | ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version | |
212 | # kdump-tools | |
213 | ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version | |
810e8437 AA |
214 | create_package "$dbg_packagename" "$dbg_dir" |
215 | fi | |
216 | ||
1da177e4 | 217 | exit 0 |