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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 | ||
7 | set -e | |
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 "$3" | |
18 | fi | |
19 | } | |
20 | ||
b41d920a | 21 | set_debarch() { |
f2abcc13 BH |
22 | if [ -n "$KBUILD_DEBARCH" ] ; then |
23 | debarch="$KBUILD_DEBARCH" | |
24 | return | |
25 | fi | |
26 | ||
b41d920a RV |
27 | # Attempt to find the correct Debian architecture |
28 | case "$UTS_MACHINE" in | |
75ebcee7 | 29 | i386|ia64|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 ${0} ..." >&2 |
83 | echo "" >&2 | |
79a85b55 | 84 | fi |
b41d920a RV |
85 | } |
86 | ||
87 | # Some variables and settings used throughout the script | |
88 | version=$KERNELRELEASE | |
89 | if [ -n "$KDEB_PKGVERSION" ]; then | |
90 | packageversion=$KDEB_PKGVERSION | |
bbcde0a7 | 91 | revision=${packageversion##*-} |
b41d920a RV |
92 | else |
93 | revision=$(cat .version 2>/dev/null||echo 1) | |
94 | packageversion=$version-$revision | |
95 | fi | |
96 | sourcename=$KDEB_SOURCENAME | |
b41d920a RV |
97 | |
98 | if [ "$ARCH" = "um" ] ; then | |
0fa21cf4 MY |
99 | packagename=user-mode-linux |
100 | else | |
101 | packagename=linux-image | |
b41d920a RV |
102 | fi |
103 | ||
0fa21cf4 MY |
104 | debarch= |
105 | set_debarch | |
106 | ||
d5940c60 RV |
107 | email=${DEBEMAIL-$EMAIL} |
108 | ||
109 | # use email string directly if it contains <email> | |
110 | if echo $email | grep -q '<.*>'; then | |
111 | maintainer=$email | |
b41d920a | 112 | else |
d5940c60 RV |
113 | # or construct the maintainer string |
114 | user=${KBUILD_BUILD_USER-$(id -nu)} | |
115 | name=${DEBFULLNAME-$user} | |
116 | if [ -z "$email" ]; then | |
117 | buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)} | |
118 | email="$user@$buildhost" | |
119 | fi | |
120 | maintainer="$name <$email>" | |
b41d920a | 121 | fi |
b41d920a RV |
122 | |
123 | # Try to determine distribution | |
124 | if [ -n "$KDEB_CHANGELOG_DIST" ]; then | |
125 | distribution=$KDEB_CHANGELOG_DIST | |
126 | # In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog | |
127 | elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then | |
128 | : # nothing to do in this case | |
129 | else | |
130 | distribution="unstable" | |
131 | echo >&2 "Using default distribution of 'unstable' in the changelog" | |
132 | echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly" | |
133 | fi | |
134 | ||
f6d9db63 AM |
135 | mkdir -p debian/source/ |
136 | echo "1.0" > debian/source/format | |
137 | ||
b41d920a | 138 | echo $debarch > debian/arch |
8ffdc54b | 139 | extra_build_depends=", $(if_enabled_echo CONFIG_UNWINDER_ORC libelf-dev:native)" |
7e548e9a | 140 | extra_build_depends="$extra_build_depends, $(if_enabled_echo CONFIG_SYSTEM_TRUSTED_KEYRING libssl-dev:native)" |
b41d920a RV |
141 | |
142 | # Generate a simple changelog template | |
143 | cat <<EOF > debian/changelog | |
144 | $sourcename ($packageversion) $distribution; urgency=low | |
145 | ||
146 | * Custom built Linux kernel. | |
147 | ||
148 | -- $maintainer $(date -R) | |
149 | EOF | |
150 | ||
151 | # Generate copyright file | |
152 | cat <<EOF > debian/copyright | |
153 | This is a packacked upstream version of the Linux kernel. | |
154 | ||
155 | The sources may be found at most Linux archive sites, including: | |
156 | https://www.kernel.org/pub/linux/kernel | |
157 | ||
158 | Copyright: 1991 - 2018 Linus Torvalds and others. | |
159 | ||
160 | The git repository for mainline kernel development is at: | |
161 | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git | |
162 | ||
163 | This program is free software; you can redistribute it and/or modify | |
164 | it under the terms of the GNU General Public License as published by | |
165 | the Free Software Foundation; version 2 dated June, 1991. | |
166 | ||
167 | On Debian GNU/Linux systems, the complete text of the GNU General Public | |
168 | License version 2 can be found in \`/usr/share/common-licenses/GPL-2'. | |
169 | EOF | |
170 | ||
171 | # Generate a control file | |
172 | cat <<EOF > debian/control | |
173 | Source: $sourcename | |
174 | Section: kernel | |
175 | Priority: optional | |
176 | Maintainer: $maintainer | |
3e854180 | 177 | Rules-Requires-Root: no |
a11391b6 | 178 | Build-Depends: bc, rsync, kmod, cpio, bison, flex | flex:native $extra_build_depends |
16a122c7 | 179 | Homepage: https://www.kernel.org/ |
b41d920a | 180 | |
0fa21cf4 | 181 | Package: $packagename-$version |
b41d920a RV |
182 | Architecture: $debarch |
183 | Description: Linux kernel, version $version | |
184 | This package contains the Linux kernel, modules and corresponding other | |
185 | files, version: $version. | |
186 | ||
b41d920a RV |
187 | Package: linux-libc-dev |
188 | Section: devel | |
189 | Provides: linux-kernel-headers | |
190 | Architecture: $debarch | |
191 | Description: Linux support headers for userspace development | |
192 | This package provides userspaces headers from the Linux kernel. These headers | |
193 | are used by the installed headers for GNU glibc and other system libraries. | |
5a464217 | 194 | Multi-Arch: same |
d9dac147 RK |
195 | EOF |
196 | ||
bac977cb MY |
197 | if is_enabled CONFIG_MODULES; then |
198 | cat <<EOF >> debian/control | |
199 | ||
0fa21cf4 | 200 | Package: linux-headers-$version |
bac977cb MY |
201 | Architecture: $debarch |
202 | Description: Linux kernel headers for $version on $debarch | |
203 | This package provides kernel header files for $version on $debarch | |
204 | . | |
205 | This is useful for people who need to build external modules | |
206 | EOF | |
207 | fi | |
208 | ||
d9dac147 RK |
209 | if is_enabled CONFIG_DEBUG_INFO; then |
210 | cat <<EOF >> debian/control | |
b41d920a | 211 | |
0fa21cf4 | 212 | Package: linux-image-$version-dbg |
b41d920a RV |
213 | Section: debug |
214 | Architecture: $debarch | |
215 | Description: Linux kernel debugging symbols for $version | |
216 | This package will come in handy if you need to debug the kernel. It provides | |
217 | all the necessary debug symbols for the kernel and its modules. | |
218 | EOF | |
d9dac147 | 219 | fi |
b41d920a RV |
220 | |
221 | cat <<EOF > debian/rules | |
222 | #!$(command -v $MAKE) -f | |
223 | ||
175209cc MY |
224 | srctree ?= . |
225 | ||
76c37668 GJ |
226 | build-indep: |
227 | build-arch: | |
bbcde0a7 | 228 | \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \ |
175209cc | 229 | KBUILD_BUILD_VERSION=${revision} -f \$(srctree)/Makefile |
b41d920a | 230 | |
76c37668 GJ |
231 | build: build-arch |
232 | ||
233 | binary-indep: | |
234 | binary-arch: build-arch | |
bbcde0a7 | 235 | \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \ |
175209cc | 236 | KBUILD_BUILD_VERSION=${revision} -f \$(srctree)/Makefile intdeb-pkg |
b41d920a RV |
237 | |
238 | clean: | |
239 | rm -rf debian/*tmp debian/files | |
240 | \$(MAKE) clean | |
241 | ||
242 | binary: binary-arch | |
243 | EOF | |
f6d9db63 | 244 | chmod +x debian/rules |
b41d920a RV |
245 | |
246 | exit 0 |