Commit | Line | Data |
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b41d920a RV |
1 | #!/bin/sh |
2 | # | |
3 | # Copyright 2003 Wichert Akkerman <wichert@wiggy.net> | |
4 | # | |
5 | # Simple script to generate a debian/ directory for a Linux kernel. | |
6 | ||
c0414419 | 7 | set -eu |
b41d920a | 8 | |
08d3892c | 9 | is_enabled() { |
6fb7ef5a | 10 | grep -q "^$1=y" include/config/auto.conf |
08d3892c BH |
11 | } |
12 | ||
13 | if_enabled_echo() { | |
14 | if is_enabled "$1"; then | |
15 | echo -n "$2" | |
16 | elif [ $# -ge 3 ]; then | |
17 | echo -n "$3" | |
18 | fi | |
19 | } | |
20 | ||
b41d920a | 21 | set_debarch() { |
c0414419 | 22 | if [ "${KBUILD_DEBARCH:+set}" ]; then |
f2abcc13 BH |
23 | debarch="$KBUILD_DEBARCH" |
24 | return | |
25 | fi | |
26 | ||
b41d920a RV |
27 | # Attempt to find the correct Debian architecture |
28 | case "$UTS_MACHINE" in | |
0df8e970 | 29 | i386|alpha|m68k|riscv*) |
b41d920a RV |
30 | debarch="$UTS_MACHINE" ;; |
31 | x86_64) | |
32 | debarch=amd64 ;; | |
33 | sparc*) | |
7e548e9a | 34 | debarch=sparc$(if_enabled_echo CONFIG_64BIT 64) ;; |
b41d920a | 35 | s390*) |
4260ecd0 | 36 | debarch=s390x ;; |
b41d920a | 37 | ppc*) |
7e548e9a MY |
38 | if is_enabled CONFIG_64BIT; then |
39 | debarch=ppc64$(if_enabled_echo CONFIG_CPU_LITTLE_ENDIAN el) | |
50d511ba | 40 | else |
7e548e9a | 41 | debarch=powerpc$(if_enabled_echo CONFIG_SPE spe) |
50d511ba BH |
42 | fi |
43 | ;; | |
b41d920a RV |
44 | parisc*) |
45 | debarch=hppa ;; | |
46 | mips*) | |
7e548e9a MY |
47 | if is_enabled CONFIG_CPU_LITTLE_ENDIAN; then |
48 | debarch=mips$(if_enabled_echo CONFIG_64BIT 64)$(if_enabled_echo CONFIG_CPU_MIPSR6 r6)el | |
49 | elif is_enabled CONFIG_CPU_MIPSR6; then | |
50 | debarch=mips$(if_enabled_echo CONFIG_64BIT 64)r6 | |
159b3794 BH |
51 | else |
52 | debarch=mips | |
53 | fi | |
54 | ;; | |
b41d920a RV |
55 | aarch64|arm64) |
56 | debarch=arm64 ;; | |
57 | arm*) | |
7e548e9a MY |
58 | if is_enabled CONFIG_AEABI; then |
59 | debarch=arm$(if_enabled_echo CONFIG_VFP hf el) | |
b41d920a | 60 | else |
08d3892c | 61 | debarch=arm |
b41d920a RV |
62 | fi |
63 | ;; | |
822f44fb BH |
64 | openrisc) |
65 | debarch=or1k ;; | |
79a85b55 | 66 | sh) |
7e548e9a MY |
67 | if is_enabled CONFIG_CPU_SH3; then |
68 | debarch=sh3$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb) | |
69 | elif is_enabled CONFIG_CPU_SH4; then | |
70 | debarch=sh4$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb) | |
79a85b55 BH |
71 | fi |
72 | ;; | |
73 | esac | |
74 | if [ -z "$debarch" ]; then | |
091d30ae | 75 | debarch=$(dpkg-architecture -qDEB_HOST_ARCH) |
b41d920a RV |
76 | echo "" >&2 |
77 | echo "** ** ** WARNING ** ** **" >&2 | |
78 | echo "" >&2 | |
79 | echo "Your architecture doesn't have its equivalent" >&2 | |
80 | echo "Debian userspace architecture defined!" >&2 | |
091d30ae | 81 | echo "Falling back to the current host architecture ($debarch)." >&2 |
b41d920a RV |
82 | echo "Please add support for $UTS_MACHINE to ${0} ..." >&2 |
83 | echo "" >&2 | |
79a85b55 | 84 | fi |
b41d920a RV |
85 | } |
86 | ||
aa7d233f MY |
87 | # Create debian/source/ if it is a source package build |
88 | gen_source () | |
89 | { | |
90 | mkdir -p debian/source | |
91 | ||
92 | echo "3.0 (quilt)" > debian/source/format | |
93 | ||
94 | { | |
95 | echo "diff-ignore" | |
96 | echo "extend-diff-ignore = .*" | |
97 | } > debian/source/local-options | |
98 | ||
99 | # Add .config as a patch | |
100 | mkdir -p debian/patches | |
101 | { | |
102 | echo "Subject: Add .config" | |
103 | echo "Author: ${maintainer}" | |
104 | echo | |
105 | echo "--- /dev/null" | |
106 | echo "+++ linux/.config" | |
107 | diff -u /dev/null "${KCONFIG_CONFIG}" | tail -n +3 | |
108 | } > debian/patches/config.patch | |
109 | echo config.patch > debian/patches/series | |
110 | ||
111 | "${srctree}/scripts/package/gen-diff-patch" debian/patches/diff.patch | |
112 | if [ -s debian/patches/diff.patch ]; then | |
113 | sed -i " | |
114 | 1iSubject: Add local diff | |
115 | 1iAuthor: ${maintainer} | |
116 | 1i | |
117 | " debian/patches/diff.patch | |
118 | ||
119 | echo diff.patch >> debian/patches/series | |
120 | else | |
121 | rm -f debian/patches/diff.patch | |
122 | fi | |
123 | } | |
124 | ||
7bf4582d | 125 | rm -rf debian |
aa7d233f MY |
126 | mkdir debian |
127 | ||
d67015ee MY |
128 | user=${KBUILD_BUILD_USER:-$(id -nu)} |
129 | name=${DEBFULLNAME:-${user}} | |
c5209080 MY |
130 | if [ "${DEBEMAIL:+set}" ]; then |
131 | email=${DEBEMAIL} | |
aa7d233f | 132 | else |
d67015ee | 133 | buildhost=${KBUILD_BUILD_HOST:-$(hostname -f 2>/dev/null || hostname)} |
c5209080 | 134 | email="${user}@${buildhost}" |
aa7d233f | 135 | fi |
c5209080 | 136 | maintainer="${name} <${email}>" |
aa7d233f | 137 | |
c0414419 MY |
138 | while [ $# -gt 0 ]; do |
139 | case "$1" in | |
140 | --need-source) | |
141 | gen_source | |
142 | shift | |
143 | ;; | |
144 | *) | |
145 | break | |
146 | ;; | |
147 | esac | |
148 | done | |
7bf4582d | 149 | |
b41d920a RV |
150 | # Some variables and settings used throughout the script |
151 | version=$KERNELRELEASE | |
c0414419 | 152 | if [ "${KDEB_PKGVERSION:+set}" ]; then |
b41d920a RV |
153 | packageversion=$KDEB_PKGVERSION |
154 | else | |
ae4c4cee | 155 | packageversion=$(${srctree}/scripts/setlocalversion --no-local ${srctree})-$($srctree/scripts/build-version) |
b41d920a | 156 | fi |
6eabebb1 | 157 | sourcename=${KDEB_SOURCENAME:-linux-upstream} |
b41d920a RV |
158 | |
159 | if [ "$ARCH" = "um" ] ; then | |
0fa21cf4 MY |
160 | packagename=user-mode-linux |
161 | else | |
162 | packagename=linux-image | |
b41d920a RV |
163 | fi |
164 | ||
0fa21cf4 MY |
165 | debarch= |
166 | set_debarch | |
167 | ||
b41d920a | 168 | # Try to determine distribution |
c0414419 | 169 | if [ "${KDEB_CHANGELOG_DIST:+set}" ]; then |
b41d920a RV |
170 | distribution=$KDEB_CHANGELOG_DIST |
171 | # In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog | |
172 | elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then | |
173 | : # nothing to do in this case | |
174 | else | |
175 | distribution="unstable" | |
176 | echo >&2 "Using default distribution of 'unstable' in the changelog" | |
177 | echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly" | |
178 | fi | |
179 | ||
b41d920a RV |
180 | echo $debarch > debian/arch |
181 | ||
182 | # Generate a simple changelog template | |
183 | cat <<EOF > debian/changelog | |
184 | $sourcename ($packageversion) $distribution; urgency=low | |
185 | ||
186 | * Custom built Linux kernel. | |
187 | ||
188 | -- $maintainer $(date -R) | |
189 | EOF | |
190 | ||
b41d920a RV |
191 | # Generate a control file |
192 | cat <<EOF > debian/control | |
193 | Source: $sourcename | |
194 | Section: kernel | |
195 | Priority: optional | |
196 | Maintainer: $maintainer | |
3e854180 | 197 | Rules-Requires-Root: no |
5e73758b | 198 | Build-Depends: debhelper-compat (= 12) |
b88365b6 | 199 | Build-Depends-Arch: bc, bison, cpio, flex, kmod, libelf-dev:native, libssl-dev:native, rsync |
16a122c7 | 200 | Homepage: https://www.kernel.org/ |
b41d920a | 201 | |
0fa21cf4 | 202 | Package: $packagename-$version |
b41d920a RV |
203 | Architecture: $debarch |
204 | Description: Linux kernel, version $version | |
205 | This package contains the Linux kernel, modules and corresponding other | |
206 | files, version: $version. | |
36862e14 MY |
207 | EOF |
208 | ||
209 | if [ "${SRCARCH}" != um ]; then | |
210 | cat <<EOF >> debian/control | |
b41d920a | 211 | |
b41d920a RV |
212 | Package: linux-libc-dev |
213 | Section: devel | |
214 | Provides: linux-kernel-headers | |
215 | Architecture: $debarch | |
216 | Description: Linux support headers for userspace development | |
217 | This package provides userspaces headers from the Linux kernel. These headers | |
218 | are used by the installed headers for GNU glibc and other system libraries. | |
5a464217 | 219 | Multi-Arch: same |
d9dac147 RK |
220 | EOF |
221 | ||
bac977cb MY |
222 | if is_enabled CONFIG_MODULES; then |
223 | cat <<EOF >> debian/control | |
224 | ||
0fa21cf4 | 225 | Package: linux-headers-$version |
bac977cb MY |
226 | Architecture: $debarch |
227 | Description: Linux kernel headers for $version on $debarch | |
228 | This package provides kernel header files for $version on $debarch | |
229 | . | |
230 | This is useful for people who need to build external modules | |
231 | EOF | |
232 | fi | |
36862e14 | 233 | fi |
bac977cb | 234 | |
d9dac147 RK |
235 | if is_enabled CONFIG_DEBUG_INFO; then |
236 | cat <<EOF >> debian/control | |
b41d920a | 237 | |
0fa21cf4 | 238 | Package: linux-image-$version-dbg |
b41d920a RV |
239 | Section: debug |
240 | Architecture: $debarch | |
241 | Description: Linux kernel debugging symbols for $version | |
242 | This package will come in handy if you need to debug the kernel. It provides | |
243 | all the necessary debug symbols for the kernel and its modules. | |
244 | EOF | |
d9dac147 | 245 | fi |
b41d920a | 246 | |
d9287ea8 MY |
247 | cat <<EOF > debian/rules.vars |
248 | ARCH := ${ARCH} | |
249 | KERNELRELEASE := ${KERNELRELEASE} | |
b41d920a | 250 | EOF |
d9287ea8 | 251 | |
9c65810c | 252 | cp "${srctree}/scripts/package/debian/copyright" debian/ |
d9287ea8 | 253 | cp "${srctree}/scripts/package/debian/rules" debian/ |
b41d920a RV |
254 | |
255 | exit 0 |