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1#!/bin/sh
2#
3# builddeb 1.3
4# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
5#
6# Simple script to generate a deb package for a Linux kernel. All the
7# complexity of what to do with a kernel after it is installed or removed
8# is left to other scripts and packages: they can install scripts in the
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.
12
13set -e
14
15is_enabled() {
16 grep -q "^$1=y" include/config/auto.conf
17}
18
19if_enabled_echo() {
20 if is_enabled "$1"; then
21 echo -n "$2"
22 elif [ $# -ge 3 ]; then
23 echo -n "$3"
24 fi
25}
26
27create_package() {
28 export DH_OPTIONS="-p${1}"
29
30 dh_installdocs
31 dh_installchangelogs
32 dh_compress
33 dh_fixperms
34 dh_gencontrol
35 dh_md5sums
36 dh_builddeb -- ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS}
37}
38
39install_linux_image () {
40 pname=$1
41 pdir=debian/$1
42
43 rm -rf ${pdir}
44
45 # Only some architectures with OF support have this target
46 if is_enabled CONFIG_OF_EARLY_FLATTREE && [ -d "${srctree}/arch/${SRCARCH}/boot/dts" ]; then
47 ${MAKE} -f ${srctree}/Makefile INSTALL_DTBS_PATH="${pdir}/usr/lib/linux-image-${KERNELRELEASE}" dtbs_install
48 fi
49
50 ${MAKE} -f ${srctree}/Makefile INSTALL_MOD_PATH="${pdir}" INSTALL_MOD_STRIP=1 modules_install
51 rm -f "${pdir}/lib/modules/${KERNELRELEASE}/build"
52
53 # Install the kernel
54 if [ "${ARCH}" = um ] ; then
55 mkdir -p "${pdir}/usr/lib/uml/modules"
56 mv "${pdir}/lib/modules/${KERNELRELEASE}" "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}"
57 mkdir -p "${pdir}/usr/bin" "${pdir}/usr/share/doc/${pname}"
58 cp System.map "${pdir}/usr/lib/uml/modules/${KERNELRELEASE}/System.map"
59 cp ${KCONFIG_CONFIG} "${pdir}/usr/share/doc/${pname}/config"
60 gzip "${pdir}/usr/share/doc/${pname}/config"
61 else
62 mkdir -p "${pdir}/boot"
63 cp System.map "${pdir}/boot/System.map-${KERNELRELEASE}"
64 cp ${KCONFIG_CONFIG} "${pdir}/boot/config-${KERNELRELEASE}"
65 fi
66
67 # Not all arches have the same installed path in debian
68 # XXX: have each arch Makefile export a variable of the canonical image install
69 # path instead
70 case "${SRCARCH}" in
71 um)
72 installed_image_path="usr/bin/linux-${KERNELRELEASE}";;
73 parisc|mips|powerpc)
74 installed_image_path="boot/vmlinux-${KERNELRELEASE}";;
75 *)
76 installed_image_path="boot/vmlinuz-${KERNELRELEASE}";;
77 esac
78 cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"
79
80 # Install the maintainer scripts
81 # Note: hook scripts under /etc/kernel are also executed by official Debian
82 # kernel packages, as well as kernel packages built using make-kpkg.
83 # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and
84 # so do we; recent versions of dracut and initramfs-tools will obey this.
85 debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
86 for script in postinst postrm preinst prerm; do
87 mkdir -p "${pdir}${debhookdir}/${script}.d"
88
89 mkdir -p "${pdir}/DEBIAN"
90 cat <<-EOF > "${pdir}/DEBIAN/${script}"
91
92 #!/bin/sh
93
94 set -e
95
96 # Pass maintainer script parameters to hook scripts
97 export DEB_MAINT_PARAMS="\$*"
98
99 # Tell initramfs builder whether it's wanted
100 export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No)
101
102 test -d ${debhookdir}/${script}.d && run-parts --arg="${KERNELRELEASE}" --arg="/${installed_image_path}" ${debhookdir}/${script}.d
103 exit 0
104 EOF
105 chmod 755 "${pdir}/DEBIAN/${script}"
106 done
107}
108
109install_linux_image_dbg () {
110 pdir=debian/$1
111
112 rm -rf ${pdir}
113
114 # Parse modules.order directly because 'make modules_install' may sign,
115 # compress modules, and then run unneeded depmod.
116 while read -r mod; do
117 mod="${mod%.o}.ko"
118 dbg="${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/kernel/${mod}"
119 buildid=$("${READELF}" -n "${mod}" | sed -n 's@^.*Build ID: \(..\)\(.*\)@\1/\2@p')
120 link="${pdir}/usr/lib/debug/.build-id/${buildid}.debug"
121
122 mkdir -p "${dbg%/*}" "${link%/*}"
123 "${OBJCOPY}" --only-keep-debug "${mod}" "${dbg}"
124 ln -sf --relative "${dbg}" "${link}"
125 done < modules.order
126
127 # Build debug package
128 # Different tools want the image in different locations
129 # perf
130 mkdir -p ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
131 cp vmlinux ${pdir}/usr/lib/debug/lib/modules/${KERNELRELEASE}/
132 # systemtap
133 mkdir -p ${pdir}/usr/lib/debug/boot/
134 ln -s ../lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/boot/vmlinux-${KERNELRELEASE}
135 # kdump-tools
136 ln -s lib/modules/${KERNELRELEASE}/vmlinux ${pdir}/usr/lib/debug/vmlinux-${KERNELRELEASE}
137}
138
139install_kernel_headers () {
140 pdir=debian/$1
141 version=${1#linux-headers-}
142
143 rm -rf $pdir
144
145 "${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
146
147 mkdir -p $pdir/lib/modules/$version/
148 ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
149}
150
151install_libc_headers () {
152 pdir=debian/$1
153
154 rm -rf $pdir
155
156 $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr
157
158 # move asm headers to /usr/include/<libc-machine>/asm to match the structure
159 # used by Debian-based distros (to support multi-arch)
160 mkdir "$pdir/usr/include/${DEB_HOST_MULTIARCH}"
161 mv "$pdir/usr/include/asm" "$pdir/usr/include/${DEB_HOST_MULTIARCH}"
162}
163
164rm -f debian/files
165
166packages_enabled=$(dh_listpackages)
167
168for package in ${packages_enabled}
169do
170 case ${package} in
171 *-dbg)
172 install_linux_image_dbg "${package}";;
173 linux-image-*|user-mode-linux-*)
174 install_linux_image "${package}";;
175 linux-libc-dev)
176 install_libc_headers "${package}";;
177 linux-headers-*)
178 install_kernel_headers "${package}";;
179 esac
180 create_package "${package}"
181done
1#!/bin/sh
2#
3# builddeb 1.3
4# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
5#
6# Simple script to generate a deb package for a Linux kernel. All the
7# complexity of what to do with a kernel after it is installed or removed
8# is left to other scripts and packages: they can install scripts in the
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.
12
13set -e
14
15create_package() {
16 local pname="$1" pdir="$2"
17
18 cp debian/copyright "$pdir/usr/share/doc/$pname/"
19 cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian"
20 gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian"
21 sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \
22 | xargs -r0 md5sum > DEBIAN/md5sums"
23
24 # Fix ownership and permissions
25 chown -R root:root "$pdir"
26 chmod -R go-w "$pdir"
27
28 # Attempt to find the correct Debian architecture
29 local forcearch="" debarch=""
30 case "$UTS_MACHINE" in
31 i386|ia64|alpha)
32 debarch="$UTS_MACHINE" ;;
33 x86_64)
34 debarch=amd64 ;;
35 sparc*)
36 debarch=sparc ;;
37 s390*)
38 debarch=s390 ;;
39 ppc*)
40 debarch=powerpc ;;
41 parisc*)
42 debarch=hppa ;;
43 mips*)
44 debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y .config && echo el) ;;
45 arm*)
46 debarch=arm$(grep -q CONFIG_AEABI=y .config && echo el) ;;
47 *)
48 echo "" >&2
49 echo "** ** ** WARNING ** ** **" >&2
50 echo "" >&2
51 echo "Your architecture doesn't have it's equivalent" >&2
52 echo "Debian userspace architecture defined!" >&2
53 echo "Falling back to using your current userspace instead!" >&2
54 echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
55 echo "" >&2
56 esac
57 if [ -n "$KBUILD_DEBARCH" ] ; then
58 debarch="$KBUILD_DEBARCH"
59 fi
60 if [ -n "$debarch" ] ; then
61 forcearch="-DArchitecture=$debarch"
62 fi
63
64 # Create the package
65 dpkg-gencontrol -isp $forcearch -p$pname -P"$pdir"
66 dpkg --build "$pdir" ..
67}
68
69# Some variables and settings used throughout the script
70version=$KERNELRELEASE
71revision=$(cat .version)
72if [ -n "$KDEB_PKGVERSION" ]; then
73 packageversion=$KDEB_PKGVERSION
74else
75 packageversion=$version-$revision
76fi
77tmpdir="$objtree/debian/tmp"
78fwdir="$objtree/debian/fwtmp"
79kernel_headers_dir="$objtree/debian/hdrtmp"
80libc_headers_dir="$objtree/debian/headertmp"
81packagename=linux-image-$version
82fwpackagename=linux-firmware-image
83kernel_headers_packagename=linux-headers-$version
84libc_headers_packagename=linux-libc-dev
85
86if [ "$ARCH" = "um" ] ; then
87 packagename=user-mode-linux-$version
88fi
89
90# Setup the directory structure
91rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir"
92mkdir -m 755 -p "$tmpdir/DEBIAN"
93mkdir -p "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename"
94mkdir -m 755 -p "$fwdir/DEBIAN"
95mkdir -p "$fwdir/lib" "$fwdir/usr/share/doc/$fwpackagename"
96mkdir -m 755 -p "$libc_headers_dir/DEBIAN"
97mkdir -p "$libc_headers_dir/usr/share/doc/$libc_headers_packagename"
98mkdir -m 755 -p "$kernel_headers_dir/DEBIAN"
99mkdir -p "$kernel_headers_dir/usr/share/doc/$kernel_headers_packagename"
100mkdir -p "$kernel_headers_dir/lib/modules/$version/"
101if [ "$ARCH" = "um" ] ; then
102 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin"
103fi
104
105# Build and install the kernel
106if [ "$ARCH" = "um" ] ; then
107 $MAKE linux
108 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
109 cp .config "$tmpdir/usr/share/doc/$packagename/config"
110 gzip "$tmpdir/usr/share/doc/$packagename/config"
111 cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version"
112else
113 cp System.map "$tmpdir/boot/System.map-$version"
114 cp .config "$tmpdir/boot/config-$version"
115 # Not all arches include the boot path in KBUILD_IMAGE
116 if [ -e $KBUILD_IMAGE ]; then
117 cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
118 else
119 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
120 fi
121fi
122
123if grep -q '^CONFIG_MODULES=y' .config ; then
124 INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install
125 rm -f "$tmpdir/lib/modules/$version/build"
126 rm -f "$tmpdir/lib/modules/$version/source"
127 if [ "$ARCH" = "um" ] ; then
128 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
129 rmdir "$tmpdir/lib/modules/$version"
130 fi
131fi
132
133if [ "$ARCH" != "um" ]; then
134 $MAKE headers_check KBUILD_SRC=
135 $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr"
136fi
137
138# Install the maintainer scripts
139# Note: hook scripts under /etc/kernel are also executed by official Debian
140# kernel packages, as well as kernel packages built using make-kpkg
141debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
142for script in postinst postrm preinst prerm ; do
143 mkdir -p "$tmpdir$debhookdir/$script.d"
144 cat <<EOF > "$tmpdir/DEBIAN/$script"
145#!/bin/sh
146
147set -e
148
149# Pass maintainer script parameters to hook scripts
150export DEB_MAINT_PARAMS="\$*"
151
152test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d
153exit 0
154EOF
155 chmod 755 "$tmpdir/DEBIAN/$script"
156done
157
158# Try to determine maintainer and email values
159if [ -n "$DEBEMAIL" ]; then
160 email=$DEBEMAIL
161elif [ -n "$EMAIL" ]; then
162 email=$EMAIL
163else
164 email=$(id -nu)@$(hostname -f)
165fi
166if [ -n "$DEBFULLNAME" ]; then
167 name=$DEBFULLNAME
168elif [ -n "$NAME" ]; then
169 name=$NAME
170else
171 name="Anonymous"
172fi
173maintainer="$name <$email>"
174
175# Generate a simple changelog template
176cat <<EOF > debian/changelog
177linux-upstream ($packageversion) unstable; urgency=low
178
179 * Custom built Linux kernel.
180
181 -- $maintainer $(date -R)
182EOF
183
184# Generate copyright file
185cat <<EOF > debian/copyright
186This is a packacked upstream version of the Linux kernel.
187
188The sources may be found at most Linux ftp sites, including:
189ftp://ftp.kernel.org/pub/linux/kernel
190
191Copyright: 1991 - 2009 Linus Torvalds and others.
192
193The git repository for mainline kernel development is at:
194git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
195
196 This program is free software; you can redistribute it and/or modify
197 it under the terms of the GNU General Public License as published by
198 the Free Software Foundation; version 2 dated June, 1991.
199
200On Debian GNU/Linux systems, the complete text of the GNU General Public
201License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
202EOF
203
204# Generate a control file
205cat <<EOF > debian/control
206Source: linux-upstream
207Section: kernel
208Priority: optional
209Maintainer: $maintainer
210Standards-Version: 3.8.4
211Homepage: http://www.kernel.org/
212EOF
213
214if [ "$ARCH" = "um" ]; then
215 cat <<EOF >> debian/control
216
217Package: $packagename
218Provides: linux-image, linux-image-2.6, linux-modules-$version
219Architecture: any
220Description: User Mode Linux kernel, version $version
221 User-mode Linux is a port of the Linux kernel to its own system call
222 interface. It provides a kind of virtual machine, which runs Linux
223 as a user process under another Linux kernel. This is useful for
224 kernel development, sandboxes, jails, experimentation, and
225 many other things.
226 .
227 This package contains the Linux kernel, modules and corresponding other
228 files, version: $version.
229EOF
230
231else
232 cat <<EOF >> debian/control
233
234Package: $packagename
235Provides: linux-image, linux-image-2.6, linux-modules-$version
236Suggests: $fwpackagename
237Architecture: any
238Description: Linux kernel, version $version
239 This package contains the Linux kernel, modules and corresponding other
240 files, version: $version.
241EOF
242
243fi
244
245# Build header package
246(cd $srctree; find . -name Makefile -o -name Kconfig\* -o -name \*.pl > "$objtree/debian/hdrsrcfiles")
247(cd $srctree; find arch/$SRCARCH/include include scripts -type f >> "$objtree/debian/hdrsrcfiles")
248(cd $objtree; find arch/$SRCARCH/include .config Module.symvers include scripts -type f >> "$objtree/debian/hdrobjfiles")
249destdir=$kernel_headers_dir/usr/src/linux-headers-$version
250mkdir -p "$destdir"
251(cd $srctree; tar -c -f - -T "$objtree/debian/hdrsrcfiles") | (cd $destdir; tar -xf -)
252(cd $objtree; tar -c -f - -T "$objtree/debian/hdrobjfiles") | (cd $destdir; tar -xf -)
253ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
254rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
255arch=$(dpkg --print-architecture)
256
257cat <<EOF >> debian/control
258
259Package: $kernel_headers_packagename
260Provides: linux-headers, linux-headers-2.6
261Architecture: $arch
262Description: Linux kernel headers for $KERNELRELEASE on $arch
263 This package provides kernel header files for $KERNELRELEASE on $arch
264 .
265 This is useful for people who need to build external modules
266EOF
267
268# Do we have firmware? Move it out of the way and build it into a package.
269if [ -e "$tmpdir/lib/firmware" ]; then
270 mv "$tmpdir/lib/firmware" "$fwdir/lib/"
271
272 cat <<EOF >> debian/control
273
274Package: $fwpackagename
275Architecture: all
276Description: Linux kernel firmware, version $version
277 This package contains firmware from the Linux kernel, version $version.
278EOF
279
280 create_package "$fwpackagename" "$fwdir"
281fi
282
283cat <<EOF >> debian/control
284
285Package: $libc_headers_packagename
286Section: devel
287Provides: linux-kernel-headers
288Architecture: any
289Description: Linux support headers for userspace development
290 This package provides userspaces headers from the Linux kernel. These headers
291 are used by the installed headers for GNU glibc and other system libraries.
292EOF
293
294if [ "$ARCH" != "um" ]; then
295 create_package "$kernel_headers_packagename" "$kernel_headers_dir"
296 create_package "$libc_headers_packagename" "$libc_headers_dir"
297fi
298
299create_package "$packagename" "$tmpdir"
300
301exit 0