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|
#!/bin/sh
#
# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
#
# Simple script to generate a debian/ directory for a Linux kernel.
set -e
is_enabled() {
grep -q "^CONFIG_$1=y" $KCONFIG_CONFIG
}
if_enabled_echo() {
if is_enabled "$1"; then
echo -n "$2"
elif [ $# -ge 3 ]; then
echo -n "$3"
fi
}
set_debarch() {
if [ -n "$KBUILD_DEBARCH" ] ; then
debarch="$KBUILD_DEBARCH"
return
fi
# Attempt to find the correct Debian architecture
case "$UTS_MACHINE" in
i386|ia64|alpha|m68k|riscv*)
debarch="$UTS_MACHINE" ;;
x86_64)
debarch=amd64 ;;
sparc*)
debarch=sparc$(if_enabled_echo 64BIT 64) ;;
s390*)
debarch=s390x ;;
ppc*)
if is_enabled 64BIT; then
debarch=ppc64$(if_enabled_echo CPU_LITTLE_ENDIAN el)
else
debarch=powerpc$(if_enabled_echo SPE spe)
fi
;;
parisc*)
debarch=hppa ;;
mips*)
if is_enabled CPU_LITTLE_ENDIAN; then
debarch=mips$(if_enabled_echo 64BIT 64)$(if_enabled_echo CPU_MIPSR6 r6)el
elif is_enabled CPU_MIPSR6; then
debarch=mips$(if_enabled_echo 64BIT 64)r6
else
debarch=mips
fi
;;
aarch64|arm64)
debarch=arm64 ;;
arm*)
if is_enabled AEABI; then
debarch=arm$(if_enabled_echo VFP hf el)
else
debarch=arm
fi
;;
openrisc)
debarch=or1k ;;
sh)
if is_enabled CPU_SH3; then
debarch=sh3$(if_enabled_echo CPU_BIG_ENDIAN eb)
elif is_enabled CPU_SH4; then
debarch=sh4$(if_enabled_echo CPU_BIG_ENDIAN eb)
fi
;;
esac
if [ -z "$debarch" ]; then
debarch=$(dpkg-architecture -qDEB_HOST_ARCH)
echo "" >&2
echo "** ** ** WARNING ** ** **" >&2
echo "" >&2
echo "Your architecture doesn't have its equivalent" >&2
echo "Debian userspace architecture defined!" >&2
echo "Falling back to the current host architecture ($debarch)." >&2
echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
echo "" >&2
fi
}
# Some variables and settings used throughout the script
version=$KERNELRELEASE
if [ -n "$KDEB_PKGVERSION" ]; then
packageversion=$KDEB_PKGVERSION
revision=${packageversion##*-}
else
revision=$(cat .version 2>/dev/null||echo 1)
packageversion=$version-$revision
fi
sourcename=$KDEB_SOURCENAME
packagename=linux-image-$version
kernel_headers_packagename=linux-headers-$version
dbg_packagename=$packagename-dbg
debarch=
set_debarch
if [ "$ARCH" = "um" ] ; then
packagename=user-mode-linux-$version
fi
email=${DEBEMAIL-$EMAIL}
# use email string directly if it contains <email>
if echo $email | grep -q '<.*>'; then
maintainer=$email
else
# or construct the maintainer string
user=${KBUILD_BUILD_USER-$(id -nu)}
name=${DEBFULLNAME-$user}
if [ -z "$email" ]; then
buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)}
email="$user@$buildhost"
fi
maintainer="$name <$email>"
fi
# Try to determine distribution
if [ -n "$KDEB_CHANGELOG_DIST" ]; then
distribution=$KDEB_CHANGELOG_DIST
# In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog
elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then
: # nothing to do in this case
else
distribution="unstable"
echo >&2 "Using default distribution of 'unstable' in the changelog"
echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"
fi
mkdir -p debian/
echo $debarch > debian/arch
# Generate a simple changelog template
cat <<EOF > debian/changelog
$sourcename ($packageversion) $distribution; urgency=low
* Custom built Linux kernel.
-- $maintainer $(date -R)
EOF
# Generate copyright file
cat <<EOF > debian/copyright
This is a packacked upstream version of the Linux kernel.
The sources may be found at most Linux archive sites, including:
https://www.kernel.org/pub/linux/kernel
Copyright: 1991 - 2018 Linus Torvalds and others.
The git repository for mainline kernel development is at:
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 dated June, 1991.
On Debian GNU/Linux systems, the complete text of the GNU General Public
License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
EOF
# Generate a control file
cat <<EOF > debian/control
Source: $sourcename
Section: kernel
Priority: optional
Maintainer: $maintainer
Build-Depends: bc, kmod, cpio
Homepage: http://www.kernel.org/
Package: $packagename
Architecture: $debarch
Description: Linux kernel, version $version
This package contains the Linux kernel, modules and corresponding other
files, version: $version.
Package: $kernel_headers_packagename
Architecture: $debarch
Description: Linux kernel headers for $version on $debarch
This package provides kernel header files for $version on $debarch
.
This is useful for people who need to build external modules
Package: linux-libc-dev
Section: devel
Provides: linux-kernel-headers
Architecture: $debarch
Description: Linux support headers for userspace development
This package provides userspaces headers from the Linux kernel. These headers
are used by the installed headers for GNU glibc and other system libraries.
Package: $dbg_packagename
Section: debug
Architecture: $debarch
Description: Linux kernel debugging symbols for $version
This package will come in handy if you need to debug the kernel. It provides
all the necessary debug symbols for the kernel and its modules.
EOF
cat <<EOF > debian/rules
#!$(command -v $MAKE) -f
srctree ?= .
build:
\$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \
KBUILD_BUILD_VERSION=${revision} -f \$(srctree)/Makefile
binary-arch:
\$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \
KBUILD_BUILD_VERSION=${revision} -f \$(srctree)/Makefile intdeb-pkg
clean:
rm -rf debian/*tmp debian/files
\$(MAKE) clean
binary: binary-arch
EOF
exit 0
|
