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 create_package() {
16 grep -q "^$1=y" include/config/auto.co !! 16 local pname="$1" pdir="$2"
17 } <<
18 17
19 if_enabled_echo() { !! 18 mkdir -m 755 -p "$pdir/DEBIAN"
20 if is_enabled "$1"; then !! 19 mkdir -p "$pdir/usr/share/doc/$pname"
21 echo -n "$2" !! 20 cp debian/copyright "$pdir/usr/share/doc/$pname/"
22 elif [ $# -ge 3 ]; then !! 21 cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
23 echo -n "$3" !! 22 gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
24 fi !! 23 sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
25 } !! 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
>> 37 version=$KERNELRELEASE
>> 38 tmpdir="$objtree/debian/tmp"
>> 39 kernel_headers_dir="$objtree/debian/hdrtmp"
>> 40 libc_headers_dir="$objtree/debian/headertmp"
>> 41 dbg_dir="$objtree/debian/dbgtmp"
>> 42 packagename=linux-image-$version
>> 43 kernel_headers_packagename=linux-headers-$version
>> 44 libc_headers_packagename=linux-libc-dev
>> 45 dbg_packagename=$packagename-dbg
>> 46
>> 47 if [ "$ARCH" = "um" ] ; then
>> 48 packagename=user-mode-linux-$version
>> 49 fi
>> 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
>> 54 case $ARCH in
>> 55 um)
>> 56 installed_image_path="usr/bin/linux-$version"
>> 57 ;;
>> 58 parisc|mips|powerpc)
>> 59 installed_image_path="boot/vmlinux-$version"
>> 60 ;;
>> 61 *)
>> 62 installed_image_path="boot/vmlinuz-$version"
>> 63 esac
>> 64
>> 65 BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)"
26 66
27 install_linux_image () { !! 67 # Setup the directory structure
28 pname=$1 !! 68 rm -rf "$tmpdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files
29 pdir=debian/$1 !! 69 mkdir -m 755 -p "$tmpdir/DEBIAN"
>> 70 mkdir -p "$tmpdir/lib" "$tmpdir/boot"
>> 71 mkdir -p "$kernel_headers_dir/lib/modules/$version/"
>> 72
>> 73 # Build and install the kernel
>> 74 if [ "$ARCH" = "um" ] ; then
>> 75 mkdir -p "$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/$packagename/config"
>> 80 else
>> 81 cp System.map "$tmpdir/boot/System.map-$version"
>> 82 cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
>> 83 fi
>> 84 cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"
30 85
>> 86 if grep -q "^CONFIG_OF=y" $KCONFIG_CONFIG ; then
31 # Only some architectures with OF supp 87 # Only some architectures with OF support have this target
32 if is_enabled CONFIG_OF_EARLY_FLATTREE !! 88 if grep -q dtbs_install "${srctree}/arch/$SRCARCH/Makefile"; then
33 ${MAKE} -f ${srctree}/Makefile !! 89 $MAKE KBUILD_SRC= INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
34 fi 90 fi
>> 91 fi
35 92
36 ${MAKE} -f ${srctree}/Makefile INSTALL !! 93 if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
37 rm -f "${pdir}/lib/modules/${KERNELREL !! 94 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
38 !! 95 rm -f "$tmpdir/lib/modules/$version/build"
39 # Install the kernel !! 96 rm -f "$tmpdir/lib/modules/$version/source"
40 if [ "${ARCH}" = um ] ; then !! 97 if [ "$ARCH" = "um" ] ; then
41 mkdir -p "${pdir}/usr/lib/uml/ !! 98 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
42 mv "${pdir}/lib/modules/${KERN !! 99 rmdir "$tmpdir/lib/modules/$version"
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 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" $MAKE KBUILD_SRC= modules_sign
>> 117 fi
>> 118 fi
>> 119 fi
52 120
53 # Not all arches have the same install !! 121 if [ "$ARCH" != "um" ]; then
54 # XXX: have each arch Makefile export !! 122 $MAKE headers_check KBUILD_SRC=
55 # path instead !! 123 $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr"
56 case "${SRCARCH}" in !! 124 fi
57 um) !! 125
58 installed_image_path="usr/bin/ !! 126 # Install the maintainer scripts
59 parisc|mips|powerpc) !! 127 # Note: hook scripts under /etc/kernel are also executed by official Debian
60 installed_image_path="boot/vml !! 128 # kernel packages, as well as kernel packages built using make-kpkg.
61 *) !! 129 # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
62 installed_image_path="boot/vml !! 130 # so do we; recent versions of dracut and initramfs-tools will obey this.
63 esac !! 131 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
64 cp "$(${MAKE} -s -f ${srctree}/Makefil !! 132 if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then
65 !! 133 want_initrd=Yes
66 # Install the maintainer scripts !! 134 else
67 # Note: hook scripts under /etc/kernel !! 135 want_initrd=No
68 # kernel packages, as well as kernel p !! 136 fi
69 # make-kpkg sets $INITRD to indicate w !! 137 for script in postinst postrm preinst prerm ; do
70 # so do we; recent versions of dracut !! 138 mkdir -p "$tmpdir$debhookdir/$script.d"
71 debhookdir=${KDEB_HOOKDIR:-/etc/kernel !! 139 cat <<EOF > "$tmpdir/DEBIAN/$script"
72 for script in postinst postrm preinst !! 140 #!/bin/sh
73 mkdir -p "${pdir}${debhookdir} !! 141
74 !! 142 set -e
75 mkdir -p "${pdir}/DEBIAN" !! 143
76 cat <<-EOF > "${pdir}/DEBIAN/$ !! 144 # Pass maintainer script parameters to hook scripts
77 #!/bin/sh !! 145 export DEB_MAINT_PARAMS="\$*"
78 !! 146
79 set -e !! 147 # Tell initramfs builder whether it's wanted
80 !! 148 export INITRD=$want_initrd
81 # Pass maintainer script param !! 149
82 export DEB_MAINT_PARAMS="\$*" !! 150 test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d
83 !! 151 exit 0
84 # Tell initramfs builder wheth !! 152 EOF
85 export INITRD=$(if_enabled_ech !! 153 chmod 755 "$tmpdir/DEBIAN/$script"
86 !! 154 done
87 test -d ${debhookdir}/${script !! 155
88 exit 0 !! 156 # Build kernel header package
89 EOF !! 157 (cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
90 chmod 755 "${pdir}/DEBIAN/${sc !! 158 (cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
91 done !! 159 (cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles"
92 } !! 160 (cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles"
93 !! 161 if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then
94 install_linux_image_dbg () { !! 162 (cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles"
95 pdir=debian/$1 !! 163 fi
>> 164 (cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles"
>> 165 if 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"
>> 167 fi
>> 168 destdir=$kernel_headers_dir/usr/src/linux-headers-$version
>> 169 mkdir -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 $destdir/.config) # copy .config manually to be where it's expected to be
>> 173 ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
>> 174 rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
>> 175
>> 176 if [ "$ARCH" != "um" ]; then
>> 177 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
>> 178 create_package "$libc_headers_packagename" "$libc_headers_dir"
>> 179 fi
96 180
97 # Parse modules.order directly because !! 181 create_package "$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 <<
109 182
>> 183 if [ -n "$BUILD_DEBUG" ] ; then
110 # Build debug package 184 # Build debug package
111 # Different tools want the image in di 185 # Different tools want the image in different locations
112 # perf 186 # perf
113 mkdir -p ${pdir}/usr/lib/debug/lib/mod !! 187 mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/
114 cp vmlinux ${pdir}/usr/lib/debug/lib/m !! 188 cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/
115 # systemtap 189 # systemtap
116 mkdir -p ${pdir}/usr/lib/debug/boot/ !! 190 mkdir -p $dbg_dir/usr/lib/debug/boot/
117 ln -s ../lib/modules/${KERNELRELEASE}/ !! 191 ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
118 # kdump-tools 192 # kdump-tools
119 ln -s lib/modules/${KERNELRELEASE}/vml !! 193 ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
120 } !! 194 create_package "$dbg_packagename" "$dbg_dir"
>> 195 fi
121 196
122 install_kernel_headers () { !! 197 exit 0
123 pdir=debian/$1 <<
124 version=${1#linux-headers-} <<
125 <<
126 CC="${DEB_HOST_GNU_TYPE}-gcc" "${srctr <<
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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