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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
7set -e
8
9is_enabled() {
10 grep -q "^$1=y" include/config/auto.conf
11}
12
13if_enabled_echo() {
14 if is_enabled "$1"; then
15 echo -n "$2"
16 elif [ $# -ge 3 ]; then
17 echo -n "$3"
18 fi
19}
20
21set_debarch() {
22 if [ -n "$KBUILD_DEBARCH" ] ; then
23 debarch="$KBUILD_DEBARCH"
24 return
25 fi
26
27 # Attempt to find the correct Debian architecture
28 case "$UTS_MACHINE" in
29 i386|alpha|m68k|riscv*)
30 debarch="$UTS_MACHINE" ;;
31 x86_64)
32 debarch=amd64 ;;
33 sparc*)
34 debarch=sparc$(if_enabled_echo CONFIG_64BIT 64) ;;
35 s390*)
36 debarch=s390x ;;
37 ppc*)
38 if is_enabled CONFIG_64BIT; then
39 debarch=ppc64$(if_enabled_echo CONFIG_CPU_LITTLE_ENDIAN el)
40 else
41 debarch=powerpc$(if_enabled_echo CONFIG_SPE spe)
42 fi
43 ;;
44 parisc*)
45 debarch=hppa ;;
46 mips*)
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$(if_enabled_echo CONFIG_64BIT 64)r6
51 else
52 debarch=mips
53 fi
54 ;;
55 aarch64|arm64)
56 debarch=arm64 ;;
57 arm*)
58 if is_enabled CONFIG_AEABI; then
59 debarch=arm$(if_enabled_echo CONFIG_VFP hf el)
60 else
61 debarch=arm
62 fi
63 ;;
64 openrisc)
65 debarch=or1k ;;
66 sh)
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)
71 fi
72 ;;
73 esac
74 if [ -z "$debarch" ]; then
75 debarch=$(dpkg-architecture -qDEB_HOST_ARCH)
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
81 echo "Falling back to the current host architecture ($debarch)." >&2
82 echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
83 echo "" >&2
84 fi
85}
86
87# Create debian/source/ if it is a source package build
88gen_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: ${maintainer}
116 1i
117 " debian/patches/diff.patch
118
119 echo diff.patch >> debian/patches/series
120 else
121 rm -f debian/patches/diff.patch
122 fi
123}
124
125rm -rf debian
126mkdir debian
127
128email=${DEBEMAIL-$EMAIL}
129
130# use email string directly if it contains <email>
131if echo "${email}" | grep -q '<.*>'; then
132 maintainer=${email}
133else
134 # or construct the maintainer string
135 user=${KBUILD_BUILD_USER-$(id -nu)}
136 name=${DEBFULLNAME-${user}}
137 if [ -z "${email}" ]; then
138 buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)}
139 email="${user}@${buildhost}"
140 fi
141 maintainer="${name} <${email}>"
142fi
143
144if [ "$1" = --need-source ]; then
145 gen_source
146fi
147
148# Some variables and settings used throughout the script
149version=$KERNELRELEASE
150if [ -n "$KDEB_PKGVERSION" ]; then
151 packageversion=$KDEB_PKGVERSION
152else
153 packageversion=$(${srctree}/scripts/setlocalversion --no-local ${srctree})-$($srctree/init/build-version)
154fi
155sourcename=${KDEB_SOURCENAME:-linux-upstream}
156
157if [ "$ARCH" = "um" ] ; then
158 packagename=user-mode-linux
159else
160 packagename=linux-image
161fi
162
163debarch=
164set_debarch
165
166# Try to determine distribution
167if [ -n "$KDEB_CHANGELOG_DIST" ]; then
168 distribution=$KDEB_CHANGELOG_DIST
169# In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog
170elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then
171 : # nothing to do in this case
172else
173 distribution="unstable"
174 echo >&2 "Using default distribution of 'unstable' in the changelog"
175 echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"
176fi
177
178echo $debarch > debian/arch
179
180# Generate a simple changelog template
181cat <<EOF > debian/changelog
182$sourcename ($packageversion) $distribution; urgency=low
183
184 * Custom built Linux kernel.
185
186 -- $maintainer $(date -R)
187EOF
188
189# Generate a control file
190cat <<EOF > debian/control
191Source: $sourcename
192Section: kernel
193Priority: optional
194Maintainer: $maintainer
195Rules-Requires-Root: no
196Build-Depends: debhelper-compat (= 12)
197Build-Depends-Arch: bc, bison, cpio, flex, kmod, libelf-dev:native, libssl-dev:native, rsync
198Homepage: https://www.kernel.org/
199
200Package: $packagename-$version
201Architecture: $debarch
202Description: Linux kernel, version $version
203 This package contains the Linux kernel, modules and corresponding other
204 files, version: $version.
205EOF
206
207if [ "${SRCARCH}" != um ]; then
208cat <<EOF >> debian/control
209
210Package: linux-libc-dev
211Section: devel
212Provides: linux-kernel-headers
213Architecture: $debarch
214Description: Linux support headers for userspace development
215 This package provides userspaces headers from the Linux kernel. These headers
216 are used by the installed headers for GNU glibc and other system libraries.
217Multi-Arch: same
218EOF
219
220if is_enabled CONFIG_MODULES; then
221cat <<EOF >> debian/control
222
223Package: linux-headers-$version
224Architecture: $debarch
225Description: Linux kernel headers for $version on $debarch
226 This package provides kernel header files for $version on $debarch
227 .
228 This is useful for people who need to build external modules
229EOF
230fi
231fi
232
233if is_enabled CONFIG_DEBUG_INFO; then
234cat <<EOF >> debian/control
235
236Package: linux-image-$version-dbg
237Section: debug
238Architecture: $debarch
239Description: Linux kernel debugging symbols for $version
240 This package will come in handy if you need to debug the kernel. It provides
241 all the necessary debug symbols for the kernel and its modules.
242EOF
243fi
244
245cat <<EOF > debian/rules.vars
246ARCH := ${ARCH}
247KERNELRELEASE := ${KERNELRELEASE}
248EOF
249
250cp "${srctree}/scripts/package/debian/copyright" debian/
251cp "${srctree}/scripts/package/debian/rules" debian/
252
253exit 0
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
7set -e
8
9is_enabled() {
10 grep -q "^$1=y" include/config/auto.conf
11}
12
13if_enabled_echo() {
14 if is_enabled "$1"; then
15 echo -n "$2"
16 elif [ $# -ge 3 ]; then
17 echo -n "$3"
18 fi
19}
20
21set_debarch() {
22 if [ -n "$KBUILD_DEBARCH" ] ; then
23 debarch="$KBUILD_DEBARCH"
24 return
25 fi
26
27 # Attempt to find the correct Debian architecture
28 case "$UTS_MACHINE" in
29 i386|alpha|m68k|riscv*)
30 debarch="$UTS_MACHINE" ;;
31 x86_64)
32 debarch=amd64 ;;
33 sparc*)
34 debarch=sparc$(if_enabled_echo CONFIG_64BIT 64) ;;
35 s390*)
36 debarch=s390x ;;
37 ppc*)
38 if is_enabled CONFIG_64BIT; then
39 debarch=ppc64$(if_enabled_echo CONFIG_CPU_LITTLE_ENDIAN el)
40 else
41 debarch=powerpc$(if_enabled_echo CONFIG_SPE spe)
42 fi
43 ;;
44 parisc*)
45 debarch=hppa ;;
46 mips*)
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$(if_enabled_echo CONFIG_64BIT 64)r6
51 else
52 debarch=mips
53 fi
54 ;;
55 aarch64|arm64)
56 debarch=arm64 ;;
57 arm*)
58 if is_enabled CONFIG_AEABI; then
59 debarch=arm$(if_enabled_echo CONFIG_VFP hf el)
60 else
61 debarch=arm
62 fi
63 ;;
64 openrisc)
65 debarch=or1k ;;
66 sh)
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)
71 fi
72 ;;
73 esac
74 if [ -z "$debarch" ]; then
75 debarch=$(dpkg-architecture -qDEB_HOST_ARCH)
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
81 echo "Falling back to the current host architecture ($debarch)." >&2
82 echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
83 echo "" >&2
84 fi
85}
86
87# Create debian/source/ if it is a source package build
88gen_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: ${maintainer}
116 1i
117 " debian/patches/diff.patch
118
119 echo diff.patch >> debian/patches/series
120 else
121 rm -f debian/patches/diff.patch
122 fi
123}
124
125rm -rf debian
126mkdir debian
127
128email=${DEBEMAIL-$EMAIL}
129
130# use email string directly if it contains <email>
131if echo "${email}" | grep -q '<.*>'; then
132 maintainer=${email}
133else
134 # or construct the maintainer string
135 user=${KBUILD_BUILD_USER-$(id -nu)}
136 name=${DEBFULLNAME-${user}}
137 if [ -z "${email}" ]; then
138 buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)}
139 email="${user}@${buildhost}"
140 fi
141 maintainer="${name} <${email}>"
142fi
143
144if [ "$1" = --need-source ]; then
145 gen_source
146fi
147
148# Some variables and settings used throughout the script
149version=$KERNELRELEASE
150if [ -n "$KDEB_PKGVERSION" ]; then
151 packageversion=$KDEB_PKGVERSION
152else
153 packageversion=$(${srctree}/scripts/setlocalversion --no-local ${srctree})-$($srctree/init/build-version)
154fi
155sourcename=${KDEB_SOURCENAME:-linux-upstream}
156
157if [ "$ARCH" = "um" ] ; then
158 packagename=user-mode-linux
159else
160 packagename=linux-image
161fi
162
163debarch=
164set_debarch
165
166# Try to determine distribution
167if [ -n "$KDEB_CHANGELOG_DIST" ]; then
168 distribution=$KDEB_CHANGELOG_DIST
169# In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog
170elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then
171 : # nothing to do in this case
172else
173 distribution="unstable"
174 echo >&2 "Using default distribution of 'unstable' in the changelog"
175 echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"
176fi
177
178echo $debarch > debian/arch
179
180# Generate a simple changelog template
181cat <<EOF > debian/changelog
182$sourcename ($packageversion) $distribution; urgency=low
183
184 * Custom built Linux kernel.
185
186 -- $maintainer $(date -R)
187EOF
188
189# Generate a control file
190cat <<EOF > debian/control
191Source: $sourcename
192Section: kernel
193Priority: optional
194Maintainer: $maintainer
195Rules-Requires-Root: no
196Build-Depends: debhelper-compat (= 12)
197Build-Depends-Arch: bc, bison, cpio, flex, kmod, libelf-dev:native, libssl-dev:native, rsync
198Homepage: https://www.kernel.org/
199
200Package: $packagename-$version
201Architecture: $debarch
202Description: Linux kernel, version $version
203 This package contains the Linux kernel, modules and corresponding other
204 files, version: $version.
205EOF
206
207if [ "${SRCARCH}" != um ]; then
208cat <<EOF >> debian/control
209
210Package: linux-libc-dev
211Section: devel
212Provides: linux-kernel-headers
213Architecture: $debarch
214Description: Linux support headers for userspace development
215 This package provides userspaces headers from the Linux kernel. These headers
216 are used by the installed headers for GNU glibc and other system libraries.
217Multi-Arch: same
218EOF
219
220if is_enabled CONFIG_MODULES; then
221cat <<EOF >> debian/control
222
223Package: linux-headers-$version
224Architecture: $debarch
225Description: Linux kernel headers for $version on $debarch
226 This package provides kernel header files for $version on $debarch
227 .
228 This is useful for people who need to build external modules
229EOF
230fi
231fi
232
233if is_enabled CONFIG_DEBUG_INFO; then
234cat <<EOF >> debian/control
235
236Package: linux-image-$version-dbg
237Section: debug
238Architecture: $debarch
239Description: Linux kernel debugging symbols for $version
240 This package will come in handy if you need to debug the kernel. It provides
241 all the necessary debug symbols for the kernel and its modules.
242EOF
243fi
244
245cat <<EOF > debian/rules.vars
246ARCH := ${ARCH}
247KERNELRELEASE := ${KERNELRELEASE}
248EOF
249
250cp "${srctree}/scripts/package/debian/copyright" debian/
251cp "${srctree}/scripts/package/debian/rules" debian/
252
253exit 0