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 create_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 "$pdir"
>> 44 fi
>> 45 # a+rX in case we are in a restrictive umask environment like 0077
>> 46 # ug-s in case we build in a setuid/setgid directory
>> 47 chmod -R go-w,a+rX,ug-s "$pdir"
>> 48
>> 49 # Create the package
>> 50 dpkg-gencontrol -p$pname -P"$pdir"
>> 51 dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" ..
>> 52 }
>> 53
27 install_linux_image () { 54 install_linux_image () {
28 pname=$1 !! 55 pdir=$1
29 pdir=debian/$1 !! 56 pname=$2
>> 57
>> 58 rm -rf ${pdir}
30 59
31 # Only some architectures with OF supp 60 # Only some architectures with OF support have this target
32 if is_enabled CONFIG_OF_EARLY_FLATTREE 61 if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
33 ${MAKE} -f ${srctree}/Makefile 62 ${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install
34 fi 63 fi
35 64
36 ${MAKE} -f ${srctree}/Makefile INSTALL !! 65 ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" modules_install
37 rm -f "${pdir}/lib/modules/${KERNELREL 66 rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"
>> 67 rm -f "${pdir}/lib/modules/${KERNELRELEASE}/source"
38 68
39 # Install the kernel 69 # Install the kernel
40 if [ "${ARCH}" = um ] ; then 70 if [ "${ARCH}" = um ] ; then
41 mkdir -p "${pdir}/usr/lib/uml/ 71 mkdir -p "${pdir}/usr/lib/uml/modules"
42 mv "${pdir}/lib/modules/${KERN 72 mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}"
43 mkdir -p "${pdir}/usr/bin" "${ 73 mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}"
44 cp System.map "${pdir}/usr/lib 74 cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map"
45 cp ${KCONFIG_CONFIG} "${pdir}/ 75 cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config"
46 gzip "${pdir}/usr/share/doc/${ 76 gzip "${pdir}/usr/share/doc/${pname}/config"
47 else 77 else
48 mkdir -p "${pdir}/boot" 78 mkdir -p "${pdir}/boot"
49 cp System.map "${pdir}/boot/Sy 79 cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}"
50 cp ${KCONFIG_CONFIG} "${pdir}/ 80 cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}"
51 fi 81 fi
52 82
53 # Not all arches have the same install 83 # Not all arches have the same installed path in debian
54 # XXX: have each arch Makefile export 84 # XXX: have each arch Makefile export a variable of the canonical image install
55 # path instead 85 # path instead
56 case "${SRCARCH}" in 86 case "${SRCARCH}" in
57 um) 87 um)
58 installed_image_path="usr/bin/ 88 installed_image_path="usr/bin/linux-${KERNELRELEASE}";;
59 parisc|mips|powerpc) 89 parisc|mips|powerpc)
60 installed_image_path="boot/vml 90 installed_image_path="boot/vmlinux-${KERNELRELEASE}";;
61 *) 91 *)
62 installed_image_path="boot/vml 92 installed_image_path="boot/vmlinuz-${KERNELRELEASE}";;
63 esac 93 esac
64 cp "$(${MAKE} -s -f ${srctree}/Makefil 94 cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"
65 95
66 # Install the maintainer scripts 96 # Install the maintainer scripts
67 # Note: hook scripts under /etc/kernel 97 # Note: hook scripts under /etc/kernel are also executed by official Debian
68 # kernel packages, as well as kernel p 98 # kernel packages, as well as kernel packages built using make-kpkg.
69 # make-kpkg sets $INITRD to indicate w 99 # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
70 # so do we; recent versions of dracut 100 # so do we; recent versions of dracut and initramfs-tools will obey this.
71 debhookdir=${KDEB_HOOKDIR:-/etc/kernel 101 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
72 for script in postinst postrm preinst 102 for script in postinst postrm preinst prerm; do
73 mkdir -p "${pdir}${debhookdir} 103 mkdir -p "${pdir}${debhookdir}/${script}.d"
74 104
75 mkdir -p "${pdir}/DEBIAN" 105 mkdir -p "${pdir}/DEBIAN"
76 cat <<-EOF > "${pdir}/DEBIAN/$ 106 cat <<-EOF > "${pdir}/DEBIAN/${script}"
>> 107
77 #!/bin/sh 108 #!/bin/sh
78 109
79 set -e 110 set -e
80 111
81 # Pass maintainer script param 112 # Pass maintainer script parameters to hook scripts
82 export DEB_MAINT_PARAMS="\$*" 113 export DEB_MAINT_PARAMS="\$*"
83 114
84 # Tell initramfs builder wheth 115 # Tell initramfs builder whether it's wanted
85 export INITRD=$(if_enabled_ech 116 export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
86 117
87 test -d ${debhookdir}/${script 118 test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d
88 exit 0 119 exit 0
89 EOF 120 EOF
90 chmod 755 "${pdir}/DEBIAN/${sc 121 chmod 755 "${pdir}/DEBIAN/${script}"
91 done 122 done
92 } 123 }
93 124
94 install_linux_image_dbg () { 125 install_linux_image_dbg () {
95 pdir=debian/$1 !! 126 pdir=$1
>> 127 image_pdir=$2
>> 128
>> 129 rm -rf ${pdir}
>> 130
>> 131 for module in $(find ${image_pdir}/lib/modules/ -name *.ko -printf '%P\n'); do
>> 132 module=lib/modules/${module}
>> 133 mkdir -p $(dirname ${pdir}/usr/lib/debug/${module})
>> 134 # only keep debug symbols in the debug file
>> 135 ${OBJCOPY} --only-keep-debug ${image_pdir}/${module} ${pdir}/usr/lib/debug/${module}
>> 136 # strip original module from debug symbols
>> 137 ${OBJCOPY} --strip-debug ${image_pdir}/${module}
>> 138 # then add a link to those
>> 139 ${OBJCOPY} --add-gnu-debuglink=${pdir}/usr/lib/debug/${module} ${image_pdir}/${module}
>> 140 done
96 141
97 # Parse modules.order directly because !! 142 # re-sign stripped modules
98 # compress modules, and then run unnee !! 143 if is_enabled CONFIG_MODULE_SIG_ALL; then
99 while read -r mod; do !! 144 ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${image_pdir}" modules_sign
100 mod="${mod%.o}.ko" !! 145 fi
101 dbg="${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 <<
109 146
110 # Build debug package 147 # Build debug package
111 # Different tools want the image in di 148 # Different tools want the image in different locations
112 # perf 149 # perf
113 mkdir -p ${pdir}/usr/lib/debug/lib/mod 150 mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
114 cp vmlinux ${pdir}/usr/lib/debug/lib/m 151 cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
115 # systemtap 152 # systemtap
116 mkdir -p ${pdir}/usr/lib/debug/boot/ 153 mkdir -p ${pdir}/usr/lib/debug/boot/
117 ln -s ../lib/modules/${KERNELRELEASE}/ 154 ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE}
118 # kdump-tools 155 # kdump-tools
119 ln -s lib/modules/${KERNELRELEASE}/vml 156 ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE}
120 } 157 }
121 158
122 install_kernel_headers () { 159 install_kernel_headers () {
123 pdir=debian/$1 !! 160 pdir=$1
124 version=${1#linux-headers-} !! 161 version=$2
>> 162
>> 163 rm -rf $pdir
>> 164
>> 165 (
>> 166 cd $srctree
>> 167 find . arch/$SRCARCH -maxdepth 1 -name Makefile\*
>> 168 find include scripts -type f -o -type l
>> 169 find arch/$SRCARCH -name Kbuild.platforms -o -name Platform
>> 170 find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f
>> 171 ) > debian/hdrsrcfiles
>> 172
>> 173 {
>> 174 if is_enabled CONFIG_OBJTOOL; then
>> 175 echo tools/objtool/objtool
>> 176 fi
>> 177
>> 178 find arch/$SRCARCH/include Module.symvers include scripts -type f
>> 179
>> 180 if is_enabled CONFIG_GCC_PLUGINS; then
>> 181 find scripts/gcc-plugins -name \*.so
>> 182 fi
>> 183 } > debian/hdrobjfiles
>> 184
>> 185 destdir=$pdir/usr/src/linux-headers-$version
>> 186 mkdir -p $destdir
>> 187 tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir
>> 188 tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir
>> 189 rm -f debian/hdrsrcfiles debian/hdrobjfiles
125 190
126 CC="${DEB_HOST_GNU_TYPE}-gcc" "${srctr !! 191 # copy .config manually to be where it's expected to be
>> 192 cp $KCONFIG_CONFIG $destdir/.config
127 193
128 mkdir -p $pdir/lib/modules/$version/ 194 mkdir -p $pdir/lib/modules/$version/
129 ln -s /usr/src/linux-headers-$version 195 ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
130 } 196 }
131 197
132 install_libc_headers () { 198 install_libc_headers () {
133 pdir=debian/$1 !! 199 pdir=$1
134 200
>> 201 rm -rf $pdir
>> 202
>> 203 $MAKE -f $srctree/Makefile headers
135 $MAKE -f $srctree/Makefile headers_ins 204 $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
136 205
137 # move asm headers to /usr/include/<li 206 # move asm headers to /usr/include/<libc-machine>/asm to match the structure
138 # used by Debian-based distros (to sup 207 # used by Debian-based distros (to support multi-arch)
139 mkdir "$pdir/usr/include/${DEB_HOST_MU !! 208 host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH)
140 mv "$pdir/usr/include/asm" "$pdir/usr/ !! 209 mkdir $pdir/usr/include/$host_arch
141 } !! 210 mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/
>> 211 }
>> 212
>> 213 rm -f debian/files
>> 214
>> 215 packages_enabled=$(dh_listpackages)
>> 216
>> 217 for package in ${packages_enabled}
>> 218 do
>> 219 case ${package} in
>> 220 *-dbg)
>> 221 # This must be done after linux-image, that is, we expect the
>> 222 # debug package appears after linux-image in debian/control.
>> 223 install_linux_image_dbg debian/linux-image-dbg debian/linux-image;;
>> 224 linux-image-*|user-mode-linux-*)
>> 225 install_linux_image debian/linux-image ${package};;
>> 226 linux-libc-dev)
>> 227 install_libc_headers debian/linux-libc-dev;;
>> 228 linux-headers-*)
>> 229 install_kernel_headers debian/linux-headers ${package#linux-headers-};;
>> 230 esac
>> 231 done
142 232
143 package=$1 !! 233 for package in ${packages_enabled}
>> 234 do
>> 235 case ${package} in
>> 236 *-dbg)
>> 237 create_package ${package} debian/linux-image-dbg;;
>> 238 linux-image-*|user-mode-linux-*)
>> 239 create_package ${package} debian/linux-image;;
>> 240 linux-libc-dev)
>> 241 create_package ${package} debian/linux-libc-dev;;
>> 242 linux-headers-*)
>> 243 create_package ${package} debian/linux-headers;;
>> 244 esac
>> 245 done
144 246
145 case "${package}" in !! 247 exit 0
146 *-dbg) <<
147 install_linux_image_dbg "${package}";; <<
148 linux-image-*|user-mode-linux-*) <<
149 install_linux_image "${package}";; <<
150 linux-libc-dev) <<
151 install_libc_headers "${package}";; <<
152 linux-headers-*) <<
153 install_kernel_headers "${package}";; <<
154 esac <<
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