3 # Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
5 # Simple script to generate a debian/ directory for a Linux kernel.
10 grep -q "^CONFIG_$1=y" $KCONFIG_CONFIG
14 if is_enabled "$1"; then
16 elif [ $# -ge 3 ]; then
22 if [ -n "$KBUILD_DEBARCH" ] ; then
23 debarch="$KBUILD_DEBARCH"
27 # Attempt to find the correct Debian architecture
28 case "$UTS_MACHINE" in
30 debarch="$UTS_MACHINE" ;;
34 debarch=sparc$(if_enabled_echo 64BIT 64) ;;
38 if is_enabled 64BIT; then
39 debarch=ppc64$(if_enabled_echo CPU_LITTLE_ENDIAN el)
41 debarch=powerpc$(if_enabled_echo SPE spe)
47 if is_enabled CPU_LITTLE_ENDIAN; then
48 debarch=mips$(if_enabled_echo 64BIT 64)$(if_enabled_echo CPU_MIPSR6 r6)el
49 elif is_enabled CPU_MIPSR6; then
50 debarch=mips$(if_enabled_echo 64BIT 64)r6
58 if is_enabled AEABI; then
59 debarch=arm$(if_enabled_echo VFP hf el)
67 debarch=$(dpkg-architecture -qDEB_HOST_ARCH)
69 echo "** ** ** WARNING ** ** **" >&2
71 echo "Your architecture doesn't have its equivalent" >&2
72 echo "Debian userspace architecture defined!" >&2
73 echo "Falling back to the current host architecture ($debarch)." >&2
74 echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
80 # Some variables and settings used throughout the script
81 version=$KERNELRELEASE
82 if [ -n "$KDEB_PKGVERSION" ]; then
83 packageversion=$KDEB_PKGVERSION
85 revision=$(cat .version 2>/dev/null||echo 1)
86 packageversion=$version-$revision
88 sourcename=$KDEB_SOURCENAME
89 packagename=linux-image-$version
90 kernel_headers_packagename=linux-headers-$version
91 dbg_packagename=$packagename-dbg
95 if [ "$ARCH" = "um" ] ; then
96 packagename=user-mode-linux-$version
99 email=${DEBEMAIL-$EMAIL}
101 # use email string directly if it contains <email>
102 if echo $email | grep -q '<.*>'; then
105 # or construct the maintainer string
106 user=${KBUILD_BUILD_USER-$(id -nu)}
107 name=${DEBFULLNAME-$user}
108 if [ -z "$email" ]; then
109 buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)}
110 email="$user@$buildhost"
112 maintainer="$name <$email>"
115 # Try to determine distribution
116 if [ -n "$KDEB_CHANGELOG_DIST" ]; then
117 distribution=$KDEB_CHANGELOG_DIST
118 # In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog
119 elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then
120 : # nothing to do in this case
122 distribution="unstable"
123 echo >&2 "Using default distribution of 'unstable' in the changelog"
124 echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"
128 echo $debarch > debian/arch
130 # Generate a simple changelog template
131 cat <<EOF > debian/changelog
132 $sourcename ($packageversion) $distribution; urgency=low
134 * Custom built Linux kernel.
136 -- $maintainer $(date -R)
139 # Generate copyright file
140 cat <<EOF > debian/copyright
141 This is a packacked upstream version of the Linux kernel.
143 The sources may be found at most Linux archive sites, including:
144 https://www.kernel.org/pub/linux/kernel
146 Copyright: 1991 - 2018 Linus Torvalds and others.
148 The git repository for mainline kernel development is at:
149 git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
151 This program is free software; you can redistribute it and/or modify
152 it under the terms of the GNU General Public License as published by
153 the Free Software Foundation; version 2 dated June, 1991.
155 On Debian GNU/Linux systems, the complete text of the GNU General Public
156 License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
159 # Generate a control file
160 cat <<EOF > debian/control
164 Maintainer: $maintainer
165 Build-Depends: bc, kmod, cpio
166 Homepage: http://www.kernel.org/
168 Package: $packagename
169 Architecture: $debarch
170 Description: Linux kernel, version $version
171 This package contains the Linux kernel, modules and corresponding other
172 files, version: $version.
174 Package: $kernel_headers_packagename
175 Architecture: $debarch
176 Description: Linux kernel headers for $version on $debarch
177 This package provides kernel header files for $version on $debarch
179 This is useful for people who need to build external modules
181 Package: linux-libc-dev
183 Provides: linux-kernel-headers
184 Architecture: $debarch
185 Description: Linux support headers for userspace development
186 This package provides userspaces headers from the Linux kernel. These headers
187 are used by the installed headers for GNU glibc and other system libraries.
189 Package: $dbg_packagename
191 Architecture: $debarch
192 Description: Linux kernel debugging symbols for $version
193 This package will come in handy if you need to debug the kernel. It provides
194 all the necessary debug symbols for the kernel and its modules.
197 cat <<EOF > debian/rules
198 #!$(command -v $MAKE) -f
201 \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} KBUILD_SRC=
204 \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} KBUILD_SRC= intdeb-pkg
207 rm -rf debian/*tmp debian/files