#!/bin/sh # # Copyright 2003 Wichert Akkerman # # Simple script to generate a debian/ directory for a GNU Linux-libre. 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|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-$EMAIL} # use email string directly if it contains if echo "${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 # Generate a simple changelog template cat < debian/changelog $sourcename ($packageversion) $distribution; urgency=low * Custom built GNU Linux-libre. -- $maintainer $(date -R) EOF # Generate a control file cat < debian/control Source: $sourcename Section: kernel Priority: optional Maintainer: $maintainer Rules-Requires-Root: no Build-Depends: debhelper-compat (= 12) Build-Depends-Arch: bc, bison, cpio, flex, kmod, libelf-dev:native, libssl-dev:native, rsync Homepage: https://linux-libre.fsfla.org/ Package: $packagename-$version Architecture: $debarch Description: GNU Linux-libre, version $version This package contains the GNU Linux-libre, modules and corresponding other files, version: $version. EOF if [ "${SRCARCH}" != um ]; then cat <> debian/control Package: linux-libc-dev Section: devel Provides: linux-kernel-headers Architecture: $debarch Description: Linux support headers for userspace development This package provides userspaces headers from the GNU Linux-libre. These headers are used by the installed headers for GNU glibc and other system libraries. Multi-Arch: same EOF if is_enabled CONFIG_MODULES; then cat <> debian/control Package: linux-headers-$version Architecture: $debarch Description: GNU Linux-libre headers for $version on $debarch This package provides kernel header files for $version on $debarch . This is useful for people who need to build external modules EOF fi fi if is_enabled CONFIG_DEBUG_INFO; then cat <> debian/control Package: linux-image-$version-dbg Section: debug Architecture: $debarch Description: GNU Linux-libre 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 < debian/rules.vars ARCH := ${ARCH} KERNELRELEASE := ${KERNELRELEASE} EOF cp "${srctree}/scripts/package/debian/copyright" debian/ cp "${srctree}/scripts/package/debian/rules" debian/ exit 0