1 #!/bin/sh 1 #!/bin/sh
2 # 2 #
3 # builddeb 1.3 3 # builddeb 1.3
4 # Copyright 2003 Wichert Akkerman <wichert@wigg 4 # Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
5 # 5 #
6 # Simple script to generate a deb package for 6 # Simple script to generate a deb package for a Linux kernel. All the
7 # complexity of what to do with a kernel after 7 # complexity of what to do with a kernel after it is installed or removed
8 # is left to other scripts and packages: they 8 # is left to other scripts and packages: they can install scripts in the
9 # /etc/kernel/{pre,post}{inst,rm}.d/ directori 9 # /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location
10 # specified in KDEB_HOOKDIR) that will be call 10 # specified in KDEB_HOOKDIR) that will be called on package install and
11 # removal. 11 # removal.
12 12
13 set -eu !! 13 set -e
14 14
15 is_enabled() { 15 is_enabled() {
16 grep -q "^$1=y" include/config/auto.co 16 grep -q "^$1=y" include/config/auto.conf
17 } 17 }
18 18
19 if_enabled_echo() { 19 if_enabled_echo() {
20 if is_enabled "$1"; then 20 if is_enabled "$1"; then
21 echo -n "$2" 21 echo -n "$2"
22 elif [ $# -ge 3 ]; then 22 elif [ $# -ge 3 ]; then
23 echo -n "$3" 23 echo -n "$3"
24 fi 24 fi
25 } 25 }
26 26
27 install_linux_image () { !! 27 create_package() {
28 pname=$1 !! 28 local pname="$1" pdir="$2"
29 pdir=debian/$1 !! 29 local dpkg_deb_opts
30 !! 30
31 # Only some architectures with OF supp !! 31 mkdir -m 755 -p "$pdir/DEBIAN"
32 if is_enabled CONFIG_OF_EARLY_FLATTREE !! 32 mkdir -p "$pdir/usr/share/doc/$pname"
33 ${MAKE} -f ${srctree}/Makefile !! 33 cp debian/copyright "$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"
34 fi 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
>> 56 deploy_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_STACK_VALIDATION; 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
35 86
36 ${MAKE} -f ${srctree}/Makefile INSTALL !! 87 # copy .config manually to be where it's expected to be
37 rm -f "${pdir}/lib/modules/${KERNELREL !! 88 cp $KCONFIG_CONFIG $destdir/.config
38 89
39 # Install the kernel !! 90 mkdir -p $pdir/lib/modules/$version/
40 if [ "${ARCH}" = um ] ; then !! 91 ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
41 mkdir -p "${pdir}/usr/lib/uml/ <<
42 mv "${pdir}/lib/modules/${KERN <<
43 mkdir -p "${pdir}/usr/bin" "${ <<
44 cp System.map "${pdir}/usr/lib <<
45 cp ${KCONFIG_CONFIG} "${pdir}/ <<
46 gzip "${pdir}/usr/share/doc/${ <<
47 else <<
48 mkdir -p "${pdir}/boot" <<
49 cp System.map "${pdir}/boot/Sy <<
50 cp ${KCONFIG_CONFIG} "${pdir}/ <<
51 fi <<
52 <<
53 # Not all arches have the same install <<
54 # XXX: have each arch Makefile export <<
55 # path instead <<
56 case "${SRCARCH}" in <<
57 um) <<
58 installed_image_path="usr/bin/ <<
59 parisc|mips|powerpc) <<
60 installed_image_path="boot/vml <<
61 *) <<
62 installed_image_path="boot/vml <<
63 esac <<
64 cp "$(${MAKE} -s -f ${srctree}/Makefil <<
65 <<
66 # Install the maintainer scripts <<
67 # Note: hook scripts under /etc/kernel <<
68 # kernel packages, as well as kernel p <<
69 # make-kpkg sets $INITRD to indicate w <<
70 # so do we; recent versions of dracut <<
71 debhookdir=${KDEB_HOOKDIR:-/etc/kernel <<
72 for script in postinst postrm preinst <<
73 mkdir -p "${pdir}${debhookdir} <<
74 <<
75 mkdir -p "${pdir}/DEBIAN" <<
76 cat <<-EOF > "${pdir}/DEBIAN/$ <<
77 #!/bin/sh <<
78 <<
79 set -e <<
80 <<
81 # Pass maintainer script param <<
82 export DEB_MAINT_PARAMS="\$*" <<
83 <<
84 # Tell initramfs builder wheth <<
85 export INITRD=$(if_enabled_ech <<
86 <<
87 test -d ${debhookdir}/${script <<
88 exit 0 <<
89 EOF <<
90 chmod 755 "${pdir}/DEBIAN/${sc <<
91 done <<
92 } 92 }
93 93
94 install_linux_image_dbg () { !! 94 deploy_libc_headers () {
95 pdir=debian/$1 !! 95 pdir=$1
96 96
97 # Parse modules.order directly because !! 97 rm -rf $pdir
98 # compress modules, and then run unnee <<
99 while read -r mod; do <<
100 mod="${mod%.o}.ko" <<
101 dbg="${pdir}/usr/lib/debug/lib <<
102 buildid=$("${READELF}" -n "${m <<
103 link="${pdir}/usr/lib/debug/.b <<
104 <<
105 mkdir -p "${dbg%/*}" "${link%/ <<
106 "${OBJCOPY}" --only-keep-debug <<
107 ln -sf --relative "${dbg}" "${ <<
108 done < modules.order <<
109 98
110 # Build debug package !! 99 $MAKE -f $srctree/Makefile headers
111 # Different tools want the image in di !! 100 $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
112 # perf <<
113 mkdir -p ${pdir}/usr/lib/debug/lib/mod <<
114 cp vmlinux ${pdir}/usr/lib/debug/lib/m <<
115 # systemtap <<
116 mkdir -p ${pdir}/usr/lib/debug/boot/ <<
117 ln -s ../lib/modules/${KERNELRELEASE}/ <<
118 # kdump-tools <<
119 ln -s lib/modules/${KERNELRELEASE}/vml <<
120 } <<
121 101
122 install_kernel_headers () { !! 102 # move asm headers to /usr/include/<libc-machine>/asm to match the structure
123 pdir=debian/$1 !! 103 # used by Debian-based distros (to support multi-arch)
124 version=${1#linux-headers-} !! 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
>> 109 version=$KERNELRELEASE
>> 110 tmpdir=debian/linux-image
>> 111 dbg_dir=debian/linux-image-dbg
>> 112 packagename=linux-image-$version
>> 113 dbg_packagename=$packagename-dbg
>> 114
>> 115 if [ "$ARCH" = "um" ] ; then
>> 116 packagename=user-mode-linux-$version
>> 117 fi
>> 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
>> 122 case $ARCH in
>> 123 um)
>> 124 installed_image_path="usr/bin/linux-$version"
>> 125 ;;
>> 126 parisc|mips|powerpc)
>> 127 installed_image_path="boot/vmlinux-$version"
>> 128 ;;
>> 129 *)
>> 130 installed_image_path="boot/vmlinuz-$version"
>> 131 esac
125 132
126 CC="${DEB_HOST_GNU_TYPE}-gcc" "${srctr !! 133 BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)
127 134
128 mkdir -p $pdir/lib/modules/$version/ !! 135 # Setup the directory structure
129 ln -s /usr/src/linux-headers-$version !! 136 rm -rf "$tmpdir" "$dbg_dir" debian/files
130 } !! 137 mkdir -m 755 -p "$tmpdir/DEBIAN"
>> 138 mkdir -p "$tmpdir/lib" "$tmpdir/boot"
>> 139
>> 140 # Install the kernel
>> 141 if [ "$ARCH" = "um" ] ; then
>> 142 mkdir -p "$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/$packagename/config"
>> 146 else
>> 147 cp System.map "$tmpdir/boot/System.map-$version"
>> 148 cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
>> 149 fi
>> 150 cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"
131 151
132 install_libc_headers () { !! 152 if is_enabled CONFIG_OF_EARLY_FLATTREE; then
133 pdir=debian/$1 !! 153 # Only some architectures with OF support have this target
>> 154 if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then
>> 155 $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
>> 156 fi
>> 157 fi
134 158
135 $MAKE -f $srctree/Makefile headers_ins !! 159 if is_enabled CONFIG_MODULES; then
>> 160 INSTALL_MOD_PATH="$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 $srctree/Makefile modules_sign
>> 182 fi
>> 183 fi
>> 184 fi
136 185
137 # move asm headers to /usr/include/<li !! 186 # Install the maintainer scripts
138 # used by Debian-based distros (to sup !! 187 # Note: hook scripts under /etc/kernel are also executed by official Debian
139 mkdir "$pdir/usr/include/${DEB_HOST_MU !! 188 # kernel packages, as well as kernel packages built using make-kpkg.
140 mv "$pdir/usr/include/asm" "$pdir/usr/ !! 189 # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
141 } !! 190 # so do we; recent versions of dracut and initramfs-tools will obey this.
>> 191 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
>> 192 for script in postinst postrm preinst prerm ; do
>> 193 mkdir -p "$tmpdir$debhookdir/$script.d"
>> 194 cat <<EOF > "$tmpdir/DEBIAN/$script"
>> 195 #!/bin/sh
>> 196
>> 197 set -e
>> 198
>> 199 # Pass maintainer script parameters to hook scripts
>> 200 export DEB_MAINT_PARAMS="\$*"
>> 201
>> 202 # Tell initramfs builder whether it's wanted
>> 203 export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
>> 204
>> 205 test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
>> 206 exit 0
>> 207 EOF
>> 208 chmod 755 "$tmpdir/DEBIAN/$script"
>> 209 done
>> 210
>> 211 if [ "$ARCH" != "um" ]; then
>> 212 if is_enabled CONFIG_MODULES; then
>> 213 deploy_kernel_headers debian/linux-headers
>> 214 create_package linux-headers-$version debian/linux-headers
>> 215 fi
142 216
143 package=$1 !! 217 deploy_libc_headers debian/linux-libc-dev
>> 218 create_package linux-libc-dev debian/linux-libc-dev
>> 219 fi
144 220
145 case "${package}" in !! 221 create_package "$packagename" "$tmpdir"
146 *-dbg) !! 222
147 install_linux_image_dbg "${package}";; !! 223 if [ -n "$BUILD_DEBUG" ] ; then
148 linux-image-*|user-mode-linux-*) !! 224 # Build debug package
149 install_linux_image "${package}";; !! 225 # Different tools want the image in different locations
150 linux-libc-dev) !! 226 # perf
151 install_libc_headers "${package}";; !! 227 mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
152 linux-headers-*) !! 228 cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
153 install_kernel_headers "${package}";; !! 229 # systemtap
154 esac !! 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"
>> 235 fi
>> 236
>> 237 exit 0
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