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/$1 <<
30 29
31 # Only some architectures with OF supp !! 30 mkdir -m 755 -p "$pdir/DEBIAN"
32 if is_enabled CONFIG_OF_EARLY_FLATTREE !! 31 mkdir -p "$pdir/usr/share/doc/$pname"
33 ${MAKE} -f ${srctree}/Makefile !! 32 cp debian/copyright "$pdir/usr/share/doc/$pname/"
34 fi !! 33 cp debian/changelog "$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"$pdir"
>> 46 dpkg --build "$pdir" ..
>> 47 }
>> 48
>> 49 version=$KERNELRELEASE
>> 50 tmpdir="$objtree/debian/tmp"
>> 51 kernel_headers_dir="$objtree/debian/hdrtmp"
>> 52 libc_headers_dir="$objtree/debian/headertmp"
>> 53 dbg_dir="$objtree/debian/dbgtmp"
>> 54 packagename=linux-image-$version
>> 55 kernel_headers_packagename=linux-headers-$version
>> 56 libc_headers_packagename=linux-libc-dev
>> 57 dbg_packagename=$packagename-dbg
>> 58
>> 59 if [ "$ARCH" = "um" ] ; then
>> 60 packagename=user-mode-linux-$version
>> 61 fi
>> 62
>> 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
35 76
36 ${MAKE} -f ${srctree}/Makefile INSTALL !! 77 BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes)
37 rm -f "${pdir}/lib/modules/${KERNELREL <<
38 78
39 # Install the kernel !! 79 # Setup the directory structure
40 if [ "${ARCH}" = um ] ; then !! 80 rm -rf "$tmpdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files
41 mkdir -p "${pdir}/usr/lib/uml/ !! 81 mkdir -m 755 -p "$tmpdir/DEBIAN"
42 mv "${pdir}/lib/modules/${KERN !! 82 mkdir -p "$tmpdir/lib" "$tmpdir/boot"
43 mkdir -p "${pdir}/usr/bin" "${ !! 83 mkdir -p "$kernel_headers_dir/lib/modules/$version/"
44 cp System.map "${pdir}/usr/lib !! 84
45 cp ${KCONFIG_CONFIG} "${pdir}/ !! 85 # Build and install the kernel
46 gzip "${pdir}/usr/share/doc/${ !! 86 if [ "$ARCH" = "um" ] ; then
47 else !! 87 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename"
48 mkdir -p "${pdir}/boot" !! 88 $MAKE linux
49 cp System.map "${pdir}/boot/Sy !! 89 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
50 cp ${KCONFIG_CONFIG} "${pdir}/ !! 90 cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config"
>> 91 gzip "$tmpdir/usr/share/doc/$packagename/config"
>> 92 else
>> 93 cp System.map "$tmpdir/boot/System.map-$version"
>> 94 cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
>> 95 fi
>> 96 cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"
>> 97
>> 98 if is_enabled CONFIG_OF_EARLY_FLATTREE; then
>> 99 # Only some architectures with OF support have this target
>> 100 if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then
>> 101 $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
51 fi 102 fi
>> 103 fi
52 104
53 # Not all arches have the same install !! 105 if is_enabled CONFIG_MODULES; then
54 # XXX: have each arch Makefile export !! 106 INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install
55 # path instead !! 107 rm -f "$tmpdir/lib/modules/$version/build"
56 case "${SRCARCH}" in !! 108 rm -f "$tmpdir/lib/modules/$version/source"
57 um) !! 109 if [ "$ARCH" = "um" ] ; then
58 installed_image_path="usr/bin/ !! 110 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
59 parisc|mips|powerpc) !! 111 rmdir "$tmpdir/lib/modules/$version"
60 installed_image_path="boot/vml !! 112 fi
61 *) !! 113 if [ -n "$BUILD_DEBUG" ] ; then
62 installed_image_path="boot/vml !! 114 for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do
63 esac !! 115 module=lib/modules/$module
64 cp "$(${MAKE} -s -f ${srctree}/Makefil !! 116 mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module)
65 !! 117 # only keep debug symbols in the debug file
66 # Install the maintainer scripts !! 118 $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module
67 # Note: hook scripts under /etc/kernel !! 119 # strip original module from debug symbols
68 # kernel packages, as well as kernel p !! 120 $OBJCOPY --strip-debug $tmpdir/$module
69 # make-kpkg sets $INITRD to indicate w !! 121 # then add a link to those
70 # so do we; recent versions of dracut !! 122 $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module
71 debhookdir=${KDEB_HOOKDIR:-/etc/kernel !! 123 done
72 for script in postinst postrm preinst !! 124
73 mkdir -p "${pdir}${debhookdir} !! 125 # resign stripped modules
74 !! 126 if is_enabled CONFIG_MODULE_SIG_ALL; then
75 mkdir -p "${pdir}/DEBIAN" !! 127 INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign
76 cat <<-EOF > "${pdir}/DEBIAN/$ !! 128 fi
77 #!/bin/sh !! 129 fi
78 !! 130 fi
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 } <<
93 131
94 install_linux_image_dbg () { !! 132 if [ "$ARCH" != "um" ]; then
95 pdir=debian/$1 !! 133 $MAKE -f $srctree/Makefile headers
>> 134 $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH="$libc_headers_dir/usr"
>> 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/
>> 140 fi
>> 141
>> 142 # Install the maintainer scripts
>> 143 # Note: hook scripts under /etc/kernel are also executed by official Debian
>> 144 # kernel packages, as well as kernel packages built using make-kpkg.
>> 145 # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
>> 146 # so do we; recent versions of dracut and initramfs-tools will obey this.
>> 147 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
>> 148 for script in postinst postrm preinst prerm ; do
>> 149 mkdir -p "$tmpdir$debhookdir/$script.d"
>> 150 cat <<EOF > "$tmpdir/DEBIAN/$script"
>> 151 #!/bin/sh
>> 152
>> 153 set -e
>> 154
>> 155 # Pass maintainer script parameters to hook scripts
>> 156 export DEB_MAINT_PARAMS="\$*"
>> 157
>> 158 # Tell initramfs builder whether it's wanted
>> 159 export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
>> 160
>> 161 test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
>> 162 exit 0
>> 163 EOF
>> 164 chmod 755 "$tmpdir/DEBIAN/$script"
>> 165 done
>> 166
>> 167 # Build kernel header package
>> 168 (cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
>> 169 (cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
>> 170 (cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
>> 171 (cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
>> 172 if is_enabled CONFIG_STACK_VALIDATION; then
>> 173 (cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
>> 174 fi
>> 175 (cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
>> 176 if is_enabled CONFIG_GCC_PLUGINS; then
>> 177 (cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles"
>> 178 fi
>> 179 destdir=$kernel_headers_dir/usr/src/linux-headers-$version
>> 180 mkdir -p "$destdir"
>> 181 (cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -)
>> 182 (cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -)
>> 183 (cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be
>> 184 ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
>> 185 rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
>> 186
>> 187 if [ "$ARCH" != "um" ]; then
>> 188 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
>> 189 create_package "$libc_headers_packagename" "$libc_headers_dir"
>> 190 fi
96 191
97 # Parse modules.order directly because !! 192 create_package "$packagename" "$tmpdir"
98 # compress modules, and then run unnee <<
99 while read -r mod; do <<
100 mod="${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 <<
109 193
>> 194 if [ -n "$BUILD_DEBUG" ] ; then
110 # Build debug package 195 # Build debug package
111 # Different tools want the image in di 196 # Different tools want the image in different locations
112 # perf 197 # perf
113 mkdir -p ${pdir}/usr/lib/debug/lib/mod !! 198 mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
114 cp vmlinux ${pdir}/usr/lib/debug/lib/m !! 199 cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
115 # systemtap 200 # systemtap
116 mkdir -p ${pdir}/usr/lib/debug/boot/ !! 201 mkdir -p $dbg_dir/usr/lib/debug/boot/
117 ln -s ../lib/modules/${KERNELRELEASE}/ !! 202 ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
118 # kdump-tools 203 # kdump-tools
119 ln -s lib/modules/${KERNELRELEASE}/vml !! 204 ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
120 } !! 205 create_package "$dbg_packagename" "$dbg_dir"
121 !! 206 fi
122 install_kernel_headers () { <<
123 pdir=debian/$1 <<
124 version=${1#linux-headers-} <<
125 207
126 CC="${DEB_HOST_GNU_TYPE}-gcc" "${srctr !! 208 exit 0
127 <<
128 mkdir -p $pdir/lib/modules/$version/ <<
129 ln -s /usr/src/linux-headers-$version <<
130 } <<
131 <<
132 install_libc_headers () { <<
133 pdir=debian/$1 <<
134 <<
135 $MAKE -f $srctree/Makefile headers_ins <<
136 <<
137 # move asm headers to /usr/include/<li <<
138 # used by Debian-based distros (to sup <<
139 mkdir "$pdir/usr/include/${DEB_HOST_MU <<
140 mv "$pdir/usr/include/asm" "$pdir/usr/ <<
141 } <<
142 <<
143 package=$1 <<
144 <<
145 case "${package}" in <<
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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