| #!/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 "^$1=y" include/config/auto.conf |
| } |
| |
| 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 CONFIG_64BIT 64) ;; |
| s390*) |
| debarch=s390x ;; |
| ppc*) |
| if is_enabled CONFIG_64BIT; then |
| debarch=ppc64$(if_enabled_echo CONFIG_CPU_LITTLE_ENDIAN el) |
| else |
| debarch=powerpc$(if_enabled_echo CONFIG_SPE spe) |
| fi |
| ;; |
| parisc*) |
| debarch=hppa ;; |
| mips*) |
| if is_enabled CONFIG_CPU_LITTLE_ENDIAN; then |
| debarch=mips$(if_enabled_echo CONFIG_64BIT 64)$(if_enabled_echo CONFIG_CPU_MIPSR6 r6)el |
| elif is_enabled CONFIG_CPU_MIPSR6; then |
| debarch=mips$(if_enabled_echo CONFIG_64BIT 64)r6 |
| else |
| debarch=mips |
| fi |
| ;; |
| aarch64|arm64) |
| debarch=arm64 ;; |
| arm*) |
| if is_enabled CONFIG_AEABI; then |
| debarch=arm$(if_enabled_echo CONFIG_VFP hf el) |
| else |
| debarch=arm |
| fi |
| ;; |
| openrisc) |
| debarch=or1k ;; |
| sh) |
| if is_enabled CONFIG_CPU_SH3; then |
| debarch=sh3$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb) |
| elif is_enabled CONFIG_CPU_SH4; then |
| debarch=sh4$(if_enabled_echo CONFIG_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/source/ |
| echo "1.0" > debian/source/format |
| |
| echo $debarch > debian/arch |
| extra_build_depends=", $(if_enabled_echo CONFIG_UNWINDER_ORC libelf-dev:native)" |
| extra_build_depends="$extra_build_depends, $(if_enabled_echo CONFIG_SYSTEM_TRUSTED_KEYRING libssl-dev:native)" |
| |
| # 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, rsync, kmod, cpio, bison, flex | flex:native $extra_build_depends |
| 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. |
| Multi-Arch: same |
| |
| 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 |
| chmod +x debian/rules |
| |
| exit 0 |