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