[linux-block.git] / scripts / package / mkdebian

#!/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
#!$(command -v $MAKE) -f

srctree ?= .
KERNELRELEASE = ${KERNELRELEASE}

build-indep:
build-arch:
	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
	KERNELRELEASE=\$(KERNELRELEASE) \
	\$(shell \$(srctree)/scripts/package/deb-build-option) \
	olddefconfig all

build: build-arch

binary-indep:
binary-arch: build-arch
	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
	KERNELRELEASE=\$(KERNELRELEASE) intdeb-pkg

clean:
	rm -rf debian/files debian/linux-*
	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} clean

binary: binary-arch
EOF
chmod +x debian/rules

exit 0
Commit	Line	Data
b41d920a RV	1	#!/bin/sh
	2	#
	3	# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
	4	#
	5	# Simple script to generate a debian/ directory for a Linux kernel.
	6
	7	set -e
	8
08d3892c	9	is_enabled() {
6fb7ef5a	10	grep -q "^$1=y" include/config/auto.conf
08d3892c BH	11	}
	12
	13	if_enabled_echo() {
	14	if is_enabled "$1"; then
	15	echo -n "$2"
	16	elif [ $# -ge 3 ]; then
	17	echo -n "$3"
	18	fi
	19	}
	20
b41d920a	21	set_debarch() {
f2abcc13 BH	22	if [ -n "$KBUILD_DEBARCH" ] ; then
	23	debarch="$KBUILD_DEBARCH"
	24	return
	25	fi
	26
b41d920a RV	27	# Attempt to find the correct Debian architecture
b41d920a RV	28	case "$UTS_MACHINE" in
75ebcee7	29	i386\|ia64\|alpha\|m68k\|riscv*)
b41d920a RV	30	debarch="$UTS_MACHINE" ;;
	31	x86_64)
	32	debarch=amd64 ;;
	33	sparc*)
7e548e9a	34	debarch=sparc$(if_enabled_echo CONFIG_64BIT 64) ;;
b41d920a	35	s390*)
4260ecd0	36	debarch=s390x ;;
b41d920a	37	ppc*)
7e548e9a MY	38	if is_enabled CONFIG_64BIT; then
7e548e9a MY	39	debarch=ppc64$(if_enabled_echo CONFIG_CPU_LITTLE_ENDIAN el)
50d511ba	40	else
7e548e9a	41	debarch=powerpc$(if_enabled_echo CONFIG_SPE spe)
50d511ba BH	42	fi
50d511ba BH	43	;;
b41d920a RV	44	parisc*)
	45	debarch=hppa ;;
	46	mips*)
7e548e9a MY	47	if is_enabled CONFIG_CPU_LITTLE_ENDIAN; then
	48	debarch=mips$(if_enabled_echo CONFIG_64BIT 64)$(if_enabled_echo CONFIG_CPU_MIPSR6 r6)el
	49	elif is_enabled CONFIG_CPU_MIPSR6; then
	50	debarch=mips$(if_enabled_echo CONFIG_64BIT 64)r6
159b3794 BH	51	else
	52	debarch=mips
	53	fi
	54	;;
b41d920a RV	55	aarch64\|arm64)
	56	debarch=arm64 ;;
	57	arm*)
7e548e9a MY	58	if is_enabled CONFIG_AEABI; then
7e548e9a MY	59	debarch=arm$(if_enabled_echo CONFIG_VFP hf el)
b41d920a	60	else
08d3892c	61	debarch=arm
b41d920a RV	62	fi
b41d920a RV	63	;;
822f44fb BH	64	openrisc)
822f44fb BH	65	debarch=or1k ;;
79a85b55	66	sh)
7e548e9a MY	67	if is_enabled CONFIG_CPU_SH3; then
	68	debarch=sh3$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb)
	69	elif is_enabled CONFIG_CPU_SH4; then
	70	debarch=sh4$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb)
79a85b55 BH	71	fi
	72	;;
	73	esac
	74	if [ -z "$debarch" ]; then
091d30ae	75	debarch=$(dpkg-architecture -qDEB_HOST_ARCH)
b41d920a RV	76	echo "" >&2
	77	echo " WARNING " >&2
	78	echo "" >&2
	79	echo "Your architecture doesn't have its equivalent" >&2
	80	echo "Debian userspace architecture defined!" >&2
091d30ae	81	echo "Falling back to the current host architecture ($debarch)." >&2
b41d920a RV	82	echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
b41d920a RV	83	echo "" >&2
79a85b55	84	fi
b41d920a RV	85	}
b41d920a RV	86
aa7d233f MY	87	# Create debian/source/ if it is a source package build
	88	gen_source ()
	89	{
	90	mkdir -p debian/source
	91
	92	echo "3.0 (quilt)" > debian/source/format
	93
	94	{
	95	echo "diff-ignore"
	96	echo "extend-diff-ignore = .*"
	97	} > debian/source/local-options
	98
	99	# Add .config as a patch
	100	mkdir -p debian/patches
	101	{
	102	echo "Subject: Add .config"
	103	echo "Author: ${maintainer}"
	104	echo
	105	echo "--- /dev/null"
	106	echo "+++ linux/.config"
	107	diff -u /dev/null "${KCONFIG_CONFIG}" \| tail -n +3
	108	} > debian/patches/config.patch
	109	echo config.patch > debian/patches/series
	110
	111	"${srctree}/scripts/package/gen-diff-patch" debian/patches/diff.patch
	112	if [ -s debian/patches/diff.patch ]; then
	113	sed -i "
	114	1iSubject: Add local diff
	115	1iAuthor: ${maintainer}
	116	1i
	117	" debian/patches/diff.patch
	118
	119	echo diff.patch >> debian/patches/series
	120	else
	121	rm -f debian/patches/diff.patch
	122	fi
	123	}
	124
7bf4582d	125	rm -rf debian
aa7d233f MY	126	mkdir debian
	127
	128	email=${DEBEMAIL-$EMAIL}
	129
	130	# use email string directly if it contains <email>
	131	if echo "${email}" \| grep -q '<.*>'; then
	132	maintainer=${email}
	133	else
	134	# or construct the maintainer string
	135	user=${KBUILD_BUILD_USER-$(id -nu)}
	136	name=${DEBFULLNAME-${user}}
	137	if [ -z "${email}" ]; then
	138	buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null \|\| hostname)}
	139	email="${user}@${buildhost}"
	140	fi
	141	maintainer="${name} <${email}>"
	142	fi
	143
	144	if [ "$1" = --need-source ]; then
	145	gen_source
	146	fi
7bf4582d	147
b41d920a RV	148	# Some variables and settings used throughout the script
	149	version=$KERNELRELEASE
	150	if [ -n "$KDEB_PKGVERSION" ]; then
	151	packageversion=$KDEB_PKGVERSION
	152	else
05e96e96	153	packageversion=$(${srctree}/scripts/setlocalversion --no-local ${srctree})-$($srctree/init/build-version)
b41d920a	154	fi
6eabebb1	155	sourcename=${KDEB_SOURCENAME:-linux-upstream}
b41d920a RV	156
b41d920a RV	157	if [ "$ARCH" = "um" ] ; then
0fa21cf4 MY	158	packagename=user-mode-linux
	159	else
	160	packagename=linux-image
b41d920a RV	161	fi
b41d920a RV	162
0fa21cf4 MY	163	debarch=
	164	set_debarch
	165
b41d920a RV	166	# Try to determine distribution
	167	if [ -n "$KDEB_CHANGELOG_DIST" ]; then
	168	distribution=$KDEB_CHANGELOG_DIST
	169	# In some cases lsb_release returns the codename as n/a, which breaks dpkg-parsechangelog
	170	elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ] && [ "$distribution" != "n/a" ]; then
	171	: # nothing to do in this case
	172	else
	173	distribution="unstable"
	174	echo >&2 "Using default distribution of 'unstable' in the changelog"
	175	echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly"
	176	fi
	177
b41d920a	178	echo $debarch > debian/arch
8ffdc54b	179	extra_build_depends=", $(if_enabled_echo CONFIG_UNWINDER_ORC libelf-dev:native)"
7e548e9a	180	extra_build_depends="$extra_build_depends, $(if_enabled_echo CONFIG_SYSTEM_TRUSTED_KEYRING libssl-dev:native)"
b41d920a RV	181
	182	# Generate a simple changelog template
	183	cat <<EOF > debian/changelog
	184	$sourcename ($packageversion) $distribution; urgency=low
	185
	186	* Custom built Linux kernel.
	187
	188	-- $maintainer $(date -R)
	189	EOF
	190
	191	# Generate copyright file
	192	cat <<EOF > debian/copyright
8b824220	193	This is a packaged upstream version of the Linux kernel.
b41d920a RV	194
	195	The sources may be found at most Linux archive sites, including:
	196	https://www.kernel.org/pub/linux/kernel
	197
	198	Copyright: 1991 - 2018 Linus Torvalds and others.
	199
	200	The git repository for mainline kernel development is at:
	201	git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
	202
	203	This program is free software; you can redistribute it and/or modify
	204	it under the terms of the GNU General Public License as published by
	205	the Free Software Foundation; version 2 dated June, 1991.
	206
	207	On Debian GNU/Linux systems, the complete text of the GNU General Public
	208	License version 2 can be found in \`/usr/share/common-licenses/GPL-2'.
	209	EOF
	210
	211	# Generate a control file
	212	cat <<EOF > debian/control
	213	Source: $sourcename
	214	Section: kernel
	215	Priority: optional
	216	Maintainer: $maintainer
3e854180	217	Rules-Requires-Root: no
36862e14	218	Build-Depends: bc, debhelper, rsync, kmod, cpio, bison, flex $extra_build_depends
16a122c7	219	Homepage: https://www.kernel.org/
b41d920a	220
0fa21cf4	221	Package: $packagename-$version
b41d920a RV	222	Architecture: $debarch
	223	Description: Linux kernel, version $version
	224	This package contains the Linux kernel, modules and corresponding other
	225	files, version: $version.
36862e14 MY	226	EOF
	227
	228	if [ "${SRCARCH}" != um ]; then
	229	cat <<EOF >> debian/control
b41d920a	230
b41d920a RV	231	Package: linux-libc-dev
	232	Section: devel
	233	Provides: linux-kernel-headers
	234	Architecture: $debarch
	235	Description: Linux support headers for userspace development
	236	This package provides userspaces headers from the Linux kernel. These headers
	237	are used by the installed headers for GNU glibc and other system libraries.
5a464217	238	Multi-Arch: same
d9dac147 RK	239	EOF
d9dac147 RK	240
bac977cb MY	241	if is_enabled CONFIG_MODULES; then
	242	cat <<EOF >> debian/control
	243
0fa21cf4	244	Package: linux-headers-$version
bac977cb MY	245	Architecture: $debarch
	246	Description: Linux kernel headers for $version on $debarch
	247	This package provides kernel header files for $version on $debarch
	248	.
	249	This is useful for people who need to build external modules
	250	EOF
	251	fi
36862e14	252	fi
bac977cb	253
d9dac147 RK	254	if is_enabled CONFIG_DEBUG_INFO; then
d9dac147 RK	255	cat <<EOF >> debian/control
b41d920a	256
0fa21cf4	257	Package: linux-image-$version-dbg
b41d920a RV	258	Section: debug
	259	Architecture: $debarch
	260	Description: Linux kernel debugging symbols for $version
	261	This package will come in handy if you need to debug the kernel. It provides
	262	all the necessary debug symbols for the kernel and its modules.
	263	EOF
d9dac147	264	fi
b41d920a RV	265
	266	cat <<EOF > debian/rules
	267	#!$(command -v $MAKE) -f
	268
175209cc	269	srctree ?= .
2fd6c455	270	KERNELRELEASE = ${KERNELRELEASE}
175209cc	271
76c37668 GJ	272	build-indep:
76c37668 GJ	273	build-arch:
3ab18a62	274	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
7a531c21	275	KERNELRELEASE=\$(KERNELRELEASE) \
3ab18a62 MY	276	\$(shell \$(srctree)/scripts/package/deb-build-option) \
3ab18a62 MY	277	olddefconfig all
b41d920a	278
76c37668 GJ	279	build: build-arch
	280
	281	binary-indep:
	282	binary-arch: build-arch
2fd6c455 MY	283	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
	284	KERNELRELEASE=\$(KERNELRELEASE) intdeb-pkg
	285
b41d920a	286	clean:
c9f9cf25	287	rm -rf debian/files debian/linux-*
c5bf2efb	288	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} clean
b41d920a RV	289
	290	binary: binary-arch
	291	EOF
f6d9db63	292	chmod +x debian/rules
b41d920a RV	293
b41d920a RV	294	exit 0