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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/$kernel_headers_packagename"
100if [ "$ARCH" = "um" ] ; then
101 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin"
102fi
103
104# Build and install the kernel
105if [ "$ARCH" = "um" ] ; then
106 $MAKE linux
107 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map"
108 cp .config "$tmpdir/usr/share/doc/$packagename/config"
109 gzip "$tmpdir/usr/share/doc/$packagename/config"
110 cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version"
111else
112 cp System.map "$tmpdir/boot/System.map-$version"
113 cp .config "$tmpdir/boot/config-$version"
114 # Not all arches include the boot path in KBUILD_IMAGE
115 if [ -e $KBUILD_IMAGE ]; then
116 cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
117 else
118 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"
119 fi
120fi
121
122if grep -q '^CONFIG_MODULES=y' .config ; then
123 INSTALL_MOD_PATH="$tmpdir" make KBUILD_SRC= modules_install
124 if [ "$ARCH" = "um" ] ; then
125 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/"
126 rmdir "$tmpdir/lib/modules/$version"
127 fi
128fi
129
130make headers_check
131make headers_install INSTALL_HDR_PATH="$libc_headers_dir/usr"
132
133# Install the maintainer scripts
134# Note: hook scripts under /etc/kernel are also executed by official Debian
135# kernel packages, as well as kernel packages built using make-kpkg
136debhookdir=${KDEB_HOOKDIR:-/etc/kernel}
137for script in postinst postrm preinst prerm ; do
138 mkdir -p "$tmpdir$debhookdir/$script.d"
139 cat <<EOF > "$tmpdir/DEBIAN/$script"
140#!/bin/sh
141
142set -e
143
144# Pass maintainer script parameters to hook scripts
145export DEB_MAINT_PARAMS="\$*"
146
147test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d
148exit 0
149EOF
150 chmod 755 "$tmpdir/DEBIAN/$script"
151done
152
153# Try to determine maintainer and email values
154if [ -n "$DEBEMAIL" ]; then
155 email=$DEBEMAIL
156elif [ -n "$EMAIL" ]; then
157 email=$EMAIL
158else
159 email=$(id -nu)@$(hostname -f)
160fi
161if [ -n "$DEBFULLNAME" ]; then
162 name=$DEBFULLNAME
163elif [ -n "$NAME" ]; then
164 name=$NAME
165else
166 name="Anonymous"
167fi
168maintainer="$name <$email>"
169
170# Generate a simple changelog template
171cat <<EOF > debian/changelog
172linux-upstream ($packageversion) unstable; urgency=low
173
174 * Custom built Linux kernel.
175
176 -- $maintainer $(date -R)
177EOF
178
179# Generate copyright file
180cat <<EOF > debian/copyright
181This is a packacked upstream version of the Linux kernel.
182
183The sources may be found at most Linux ftp sites, including:
184ftp://ftp.kernel.org/pub/linux/kernel
185
186Copyright: 1991 - 2009 Linus Torvalds and others.
187
188The git repository for mainline kernel development is at:
189git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
190
191 This program is free software; you can redistribute it and/or modify
192 it under the terms of the GNU General Public License as published by
193 the Free Software Foundation; version 2 dated June, 1991.
194
195On Debian GNU/Linux systems, the complete text of the GNU General Public
196License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
197EOF
198
199# Generate a control file
200cat <<EOF > debian/control
201Source: linux-upstream
202Section: kernel
203Priority: optional
204Maintainer: $maintainer
205Standards-Version: 3.8.4
206Homepage: http://www.kernel.org/
207EOF
208
209if [ "$ARCH" = "um" ]; then
210 cat <<EOF >> debian/control
211
212Package: $packagename
213Provides: linux-image, linux-image-2.6, linux-modules-$version
214Architecture: any
215Description: User Mode Linux kernel, version $version
216 User-mode Linux is a port of the Linux kernel to its own system call
217 interface. It provides a kind of virtual machine, which runs Linux
218 as a user process under another Linux kernel. This is useful for
219 kernel development, sandboxes, jails, experimentation, and
220 many other things.
221 .
222 This package contains the Linux kernel, modules and corresponding other
223 files, version: $version.
224EOF
225
226else
227 cat <<EOF >> debian/control
228
229Package: $packagename
230Provides: linux-image, linux-image-2.6, linux-modules-$version
231Suggests: $fwpackagename
232Architecture: any
233Description: Linux kernel, version $version
234 This package contains the Linux kernel, modules and corresponding other
235 files, version: $version.
236EOF
237
238fi
239
240# Build header package
241(cd $srctree; find . -name Makefile -o -name Kconfig\* -o -name \*.pl > /tmp/files$$)
242(cd $srctree; find arch/$SRCARCH/include include scripts -type f >> /tmp/files$$)
243(cd $objtree; find .config Module.symvers include scripts -type f >> /tmp/objfiles$$)
244destdir=$kernel_headers_dir/usr/src/linux-headers-$version
245mkdir -p "$destdir"
246(cd $srctree; tar -c -f - -T /tmp/files$$) | (cd $destdir; tar -xf -)
247(cd $objtree; tar -c -f - -T /tmp/objfiles$$) | (cd $destdir; tar -xf -)
248rm -f /tmp/files$$ /tmp/objfiles$$
249arch=$(dpkg --print-architecture)
250
251cat <<EOF >> debian/control
252
253Package: $kernel_headers_packagename
254Provides: linux-headers, linux-headers-2.6
255Architecture: $arch
256Description: Linux kernel headers for $KERNELRELEASE on $arch
257 This package provides kernel header files for $KERNELRELEASE on $arch
258 .
259 This is useful for people who need to build external modules
260EOF
261
262create_package "$kernel_headers_packagename" "$kernel_headers_dir"
263
264# Do we have firmware? Move it out of the way and build it into a package.
265if [ -e "$tmpdir/lib/firmware" ]; then
266 mv "$tmpdir/lib/firmware" "$fwdir/lib/"
267
268 cat <<EOF >> debian/control
269
270Package: $fwpackagename
271Architecture: all
272Description: Linux kernel firmware, version $version
273 This package contains firmware from the Linux kernel, version $version.
274EOF
275
276 create_package "$fwpackagename" "$fwdir"
277fi
278
279cat <<EOF >> debian/control
280
281Package: $libc_headers_packagename
282Section: devel
283Provides: linux-kernel-headers
284Architecture: any
285Description: Linux support headers for userspace development
286 This package provides userspaces headers from the Linux kernel. These headers
287 are used by the installed headers for GNU glibc and other system libraries.
288EOF
289
290create_package "$libc_headers_packagename" "$libc_headers_dir"
291create_package "$packagename" "$tmpdir"
292
293exit 0