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Diffstat (limited to '')
| -rwxr-xr-x | scripts/package/mkdebian | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian new file mode 100755 index 0000000000..5044224cf6 --- /dev/null +++ b/scripts/package/mkdebian @@ -0,0 +1,273 @@ +#!/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 +} + +# Create debian/source/ if it is a source package build +gen_source () +{ + mkdir -p debian/source + + echo "3.0 (quilt)" > debian/source/format + + { + echo "diff-ignore" + echo "extend-diff-ignore = .*" + } > debian/source/local-options + + # Add .config as a patch + mkdir -p debian/patches + { + echo "Subject: Add .config" + echo "Author: ${maintainer}" + echo + echo "--- /dev/null" + echo "+++ linux/.config" + diff -u /dev/null "${KCONFIG_CONFIG}" | tail -n +3 + } > debian/patches/config.patch + echo config.patch > debian/patches/series + + "${srctree}/scripts/package/gen-diff-patch" debian/patches/diff.patch + if [ -s debian/patches/diff.patch ]; then + sed -i " + 1iSubject: Add local diff + 1iAuthor: ${maintainer} + 1i + " debian/patches/diff.patch + + echo diff.patch >> debian/patches/series + else + rm -f debian/patches/diff.patch + fi +} + +rm -rf debian +mkdir debian + +email=${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 + +if [ "$1" = --need-source ]; then + gen_source +fi + +# Some variables and settings used throughout the script +version=$KERNELRELEASE +if [ -n "$KDEB_PKGVERSION" ]; then + packageversion=$KDEB_PKGVERSION +else + packageversion=$(${srctree}/scripts/setlocalversion --no-local ${srctree})-$($srctree/init/build-version) +fi +sourcename=${KDEB_SOURCENAME:-linux-upstream} + +if [ "$ARCH" = "um" ] ; then + packagename=user-mode-linux +else + packagename=linux-image +fi + +debarch= +set_debarch + +# Try to determine distribution +if [ -n "$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 + +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 packaged 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 +Rules-Requires-Root: no +Build-Depends: bc, debhelper, rsync, kmod, cpio, bison, flex $extra_build_depends +Homepage: https://www.kernel.org/ + +Package: $packagename-$version +Architecture: $debarch +Description: Linux kernel, version $version + This package contains the Linux kernel, modules and corresponding other + files, version: $version. +EOF + +if [ "${SRCARCH}" != um ]; then +cat <<EOF >> debian/control + +Package: linux-libc-dev +Section: devel +Provides: linux-kernel-headers +Architecture: $debarch +Description: Linux support headers for userspace development + This package provides userspaces headers from the Linux kernel. These headers + are used by the installed headers for GNU glibc and other system libraries. +Multi-Arch: same +EOF + +if is_enabled CONFIG_MODULES; then +cat <<EOF >> debian/control + +Package: linux-headers-$version +Architecture: $debarch +Description: Linux kernel headers for $version on $debarch + This package provides kernel header files for $version on $debarch + . + This is useful for people who need to build external modules +EOF +fi +fi + +if is_enabled CONFIG_DEBUG_INFO; then +cat <<EOF >> debian/control + +Package: linux-image-$version-dbg +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 +fi + +cat <<EOF > debian/rules.vars +ARCH := ${ARCH} +KERNELRELEASE := ${KERNELRELEASE} +EOF + +cp "${srctree}/scripts/package/debian/rules" debian/ + +exit 0 |