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kbuild: deb-pkg: split generating packaging and build

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Move debian/ directory generation out of builddeb to a new script,
mkdebian. The package build commands are kept in builddeb, which
is now an internal command called from debian/rules.

With these changes in place, we can now use dpkg-buildpackage from
deb-pkg and bindeb-pkg removing need for handrolled source/changes
generation.

This patch is based on the criticism of the current state of builddeb
discussed on:

https://patchwork.kernel.org/patch/9656403/

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Riku Voipio 2018-04-05 14:22:29 +03:00 committed by Masahiro Yamada
parent a73619a845
commit b41d920acf
3 changed files with 200 additions and 244 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

34
scripts/package/Makefile
View file

@ -24,6 +24,7 @@
# Remove hyphens since they have special meaning in RPM filenames # Remove hyphens since they have special meaning in RPM filenames
KERNELPATH := kernel-$(subst -,_,$(KERNELRELEASE)) KERNELPATH := kernel-$(subst -,_,$(KERNELRELEASE))
KDEB_SOURCENAME ?= linux-$(KERNELRELEASE) KDEB_SOURCENAME ?= linux-$(KERNELRELEASE)
KBUILD_PKG_ROOTCMD ?="fakeroot -u"
export KDEB_SOURCENAME export KDEB_SOURCENAME
# Include only those top-level files that are needed by make, plus the GPL copy # Include only those top-level files that are needed by make, plus the GPL copy
TAR_CONTENT := $(KBUILD_ALLDIRS) .config .scmversion Makefile \ TAR_CONTENT := $(KBUILD_ALLDIRS) .config .scmversion Makefile \
@ -66,35 +67,20 @@ binrpm-pkg: FORCE
clean-files += $(objtree)/*.spec clean-files += $(objtree)/*.spec
# Deb target
# ---------------------------------------------------------------------------
quiet_cmd_builddeb = BUILDDEB
cmd_builddeb = set -e; \
test `id -u` = 0 || \
test -n "$(KBUILD_PKG_ROOTCMD)" || { \
which fakeroot >/dev/null 2>&1 && \
KBUILD_PKG_ROOTCMD="fakeroot -u"; \
} || { \
echo; \
echo "builddeb must be run as root (or using fakeroot)."; \
echo "KBUILD_PKG_ROOTCMD is unset and fakeroot not found."; \
echo "Try setting KBUILD_PKG_ROOTCMD to a command to acquire"; \
echo "root privileges (e.g., 'fakeroot -u' or 'sudo')."; \
false; \
} && \
\
$$KBUILD_PKG_ROOTCMD $(CONFIG_SHELL) \
$(srctree)/scripts/package/builddeb $@
deb-pkg: FORCE deb-pkg: FORCE
$(MAKE) clean $(MAKE) clean
$(CONFIG_SHELL) $(srctree)/scripts/package/mkdebian
$(call cmd,src_tar,$(KDEB_SOURCENAME)) $(call cmd,src_tar,$(KDEB_SOURCENAME))
$(MAKE) KBUILD_SRC= origversion=$$(dpkg-parsechangelog -SVersion |sed 's/-[^-]*$$//');\
+$(call cmd,builddeb) mv $(KDEB_SOURCENAME).tar.gz ../$(KDEB_SOURCENAME)_$${origversion}.orig.tar.gz
+dpkg-buildpackage -r$(KBUILD_PKG_ROOTCMD) -a$$(cat debian/arch) -i.git -us -uc
bindeb-pkg: FORCE bindeb-pkg: FORCE
$(MAKE) KBUILD_SRC= $(CONFIG_SHELL) $(srctree)/scripts/package/mkdebian
+$(call cmd,builddeb) +dpkg-buildpackage -r$(KBUILD_PKG_ROOTCMD) -a$$(cat debian/arch) -b -nc -uc
intdeb-pkg: FORCE
+$(CONFIG_SHELL) $(srctree)/scripts/package/builddeb
clean-dirs += $(objtree)/debian/ clean-dirs += $(objtree)/debian/

221
scripts/package/builddeb
View file

@ -30,67 +30,11 @@ create_package() {
chmod -R a+rX "$pdir" chmod -R a+rX "$pdir"
# Create the package # Create the package
dpkg-gencontrol $forcearch -Vkernel:debarch="${debarch}" -p$pname -P"$pdir" dpkg-gencontrol -p$pname -P"$pdir"
dpkg --build "$pdir" .. dpkg --build "$pdir" ..
} }
set_debarch() {
# Attempt to find the correct Debian architecture
case "$UTS_MACHINE" in
i386|ia64|alpha)
debarch="$UTS_MACHINE" ;;
x86_64)
debarch=amd64 ;;
sparc*)
debarch=sparc ;;
s390*)
debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;;
ppc*)
debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;;
parisc*)
debarch=hppa ;;
mips*)
debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el || true) ;;
aarch64|arm64)
debarch=arm64 ;;
arm*)
if grep -q CONFIG_AEABI=y $KCONFIG_CONFIG; then
if grep -q CONFIG_VFP=y $KCONFIG_CONFIG; then
debarch=armhf
else
debarch=armel
fi
else
debarch=arm
fi
;;
*)
debarch=$(dpkg --print-architecture)
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 using your current userspace instead!" >&2
echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
echo "" >&2
esac
if [ -n "$KBUILD_DEBARCH" ] ; then
debarch="$KBUILD_DEBARCH"
fi
forcearch="-DArchitecture=$debarch"
}
# Some variables and settings used throughout the script
version=$KERNELRELEASE version=$KERNELRELEASE
revision=$(cat .version)
if [ -n "$KDEB_PKGVERSION" ]; then
packageversion=$KDEB_PKGVERSION
else
packageversion=$version-$revision
fi
sourcename=$KDEB_SOURCENAME
tmpdir="$objtree/debian/tmp" tmpdir="$objtree/debian/tmp"
kernel_headers_dir="$objtree/debian/hdrtmp" kernel_headers_dir="$objtree/debian/hdrtmp"
libc_headers_dir="$objtree/debian/headertmp" libc_headers_dir="$objtree/debian/headertmp"
@ -99,9 +43,6 @@ packagename=linux-image-$version
kernel_headers_packagename=linux-headers-$version kernel_headers_packagename=linux-headers-$version
libc_headers_packagename=linux-libc-dev libc_headers_packagename=linux-libc-dev
dbg_packagename=$packagename-dbg dbg_packagename=$packagename-dbg
debarch=
forcearch=
set_debarch
if [ "$ARCH" = "um" ] ; then if [ "$ARCH" = "um" ] ; then
packagename=user-mode-linux-$version packagename=user-mode-linux-$version
@ -212,105 +153,6 @@ EOF
chmod 755 "$tmpdir/DEBIAN/$script" chmod 755 "$tmpdir/DEBIAN/$script"
done done
# Try to determine maintainer and email values
if [ -n "$DEBEMAIL" ]; then
email=$DEBEMAIL
elif [ -n "$EMAIL" ]; then
email=$EMAIL
else
email=$(id -nu)@$(hostname -f 2>/dev/null || hostname)
fi
if [ -n "$DEBFULLNAME" ]; then
name=$DEBFULLNAME
elif [ -n "$NAME" ]; then
name=$NAME
else
name="Anonymous"
fi
maintainer="$name <$email>"
# Try to determine distribution
if [ -n "$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
# 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 - 2017 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
build_depends="bc, kmod, cpio "
# Generate a control file
cat <<EOF > debian/control
Source: $sourcename
Section: kernel
Priority: optional
Maintainer: $maintainer
Build-Depends: $build_depends
Homepage: http://www.kernel.org/
EOF
if [ "$ARCH" = "um" ]; then
cat <<EOF >> debian/control
Package: $packagename
Architecture: any
Description: User Mode Linux kernel, version $version
User-mode Linux is a port of the Linux kernel to its own system call
interface. It provides a kind of virtual machine, which runs Linux
as a user process under another Linux kernel. This is useful for
kernel development, sandboxes, jails, experimentation, and
many other things.
.
This package contains the Linux kernel, modules and corresponding other
files, version: $version.
EOF
else
cat <<EOF >> debian/control
Package: $packagename
Architecture: any
Description: Linux kernel, version $version
This package contains the Linux kernel, modules and corresponding other
files, version: $version.
EOF
fi
# Build kernel header package # Build kernel header package
(cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles" (cd $srctree; find . -name Makefile\* -o -name Kconfig\* -o -name \*.pl) > "$objtree/debian/hdrsrcfiles"
(cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles" (cd $srctree; find arch/*/include include scripts -type f -o -type l) >> "$objtree/debian/hdrsrcfiles"
@ -331,27 +173,6 @@ mkdir -p "$destdir"
ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build" ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build"
rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles" rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles"
cat <<EOF >> debian/control
Package: $kernel_headers_packagename
Architecture: any
Description: Linux kernel headers for $KERNELRELEASE on \${kernel:debarch}
This package provides kernel header files for $KERNELRELEASE on \${kernel:debarch}
.
This is useful for people who need to build external modules
EOF
cat <<EOF >> debian/control
Package: $libc_headers_packagename
Section: devel
Provides: linux-kernel-headers
Architecture: any
Description: Linux support headers for userspace development
This package provides userspaces headers from the Linux kernel. These headers
are used by the installed headers for GNU glibc and other system libraries.
EOF
if [ "$ARCH" != "um" ]; then if [ "$ARCH" != "um" ]; then
create_package "$kernel_headers_packagename" "$kernel_headers_dir" create_package "$kernel_headers_packagename" "$kernel_headers_dir"
create_package "$libc_headers_packagename" "$libc_headers_dir" create_package "$libc_headers_packagename" "$libc_headers_dir"
@ -370,47 +191,7 @@ if [ -n "$BUILD_DEBUG" ] ; then
ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version
# kdump-tools # kdump-tools
ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version
cat <<EOF >> debian/control
Package: $dbg_packagename
Section: debug
Architecture: any
Description: Linux kernel debugging symbols for $version
This package will come in handy if you need to debug the kernel. It provides
all the necessary debug symbols for the kernel and its modules.
EOF
create_package "$dbg_packagename" "$dbg_dir" create_package "$dbg_packagename" "$dbg_dir"
fi fi
if [ "x$1" = "xdeb-pkg" ]
then
cat <<EOF > debian/rules
#!/usr/bin/make -f
build:
\$(MAKE)
binary-arch:
\$(MAKE) KDEB_SOURCENAME=${sourcename} KDEB_PKGVERSION=${packageversion} bindeb-pkg
clean:
rm -rf debian/*tmp debian/files
mv debian/ debian.backup # debian/ might be cleaned away
\$(MAKE) clean
mv debian.backup debian
binary: binary-arch
EOF
mv ${sourcename}.tar.gz ../${sourcename}_${version}.orig.tar.gz
tar caf ../${sourcename}_${packageversion}.debian.tar.gz debian/{copyright,rules,changelog,control}
dpkg-source -cdebian/control -ldebian/changelog --format="3.0 (custom)" --target-format="3.0 (quilt)" \
-b / ../${sourcename}_${version}.orig.tar.gz ../${sourcename}_${packageversion}.debian.tar.gz
mv ${sourcename}_${packageversion}*dsc ..
dpkg-genchanges -Vkernel:debarch="${debarch}" > ../${sourcename}_${packageversion}_${debarch}.changes
else
dpkg-genchanges -b -Vkernel:debarch="${debarch}" > ../${sourcename}_${packageversion}_${debarch}.changes
fi
exit 0 exit 0

189
scripts/package/mkdebian Executable file
View file

@ -0,0 +1,189 @@
#!/bin/sh
#
# Copyright 2003 Wichert Akkerman <wichert@wiggy.net>
#
# Simple script to generate a debian/ directory for a Linux kernel.
set -e
set_debarch() {
# Attempt to find the correct Debian architecture
case "$UTS_MACHINE" in
i386|ia64|alpha)
debarch="$UTS_MACHINE" ;;
x86_64)
debarch=amd64 ;;
sparc*)
debarch=sparc ;;
s390*)
debarch=s390$(grep -q CONFIG_64BIT=y $KCONFIG_CONFIG && echo x || true) ;;
ppc*)
debarch=$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo ppc64el || echo powerpc) ;;
parisc*)
debarch=hppa ;;
mips*)
debarch=mips$(grep -q CPU_LITTLE_ENDIAN=y $KCONFIG_CONFIG && echo el || true) ;;
aarch64|arm64)
debarch=arm64 ;;
arm*)
if grep -q CONFIG_AEABI=y $KCONFIG_CONFIG; then
if grep -q CONFIG_VFP=y $KCONFIG_CONFIG; then
debarch=armhf
else
debarch=armel
fi
else
debarch=arm
fi
;;
*)
debarch=$(dpkg --print-architecture)
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 using your current userspace instead!" >&2
echo "Please add support for $UTS_MACHINE to ${0} ..." >&2
echo "" >&2
esac
if [ -n "$KBUILD_DEBARCH" ] ; then
debarch="$KBUILD_DEBARCH"
fi
}
# Some variables and settings used throughout the script
version=$KERNELRELEASE
if [ -n "$KDEB_PKGVERSION" ]; then
packageversion=$KDEB_PKGVERSION
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-$version
fi
# Try to determine maintainer and email values
if [ -n "$DEBEMAIL" ]; then
email=$DEBEMAIL
elif [ -n "$EMAIL" ]; then
email=$EMAIL
else
email=$(id -nu)@$(hostname -f 2>/dev/null || hostname)
fi
if [ -n "$DEBFULLNAME" ]; then
name=$DEBFULLNAME
elif [ -n "$NAME" ]; then
name=$NAME
else
name="Anonymous"
fi
maintainer="$name <$email>"
# Try to determine distribution
if [ -n "$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/
echo $debarch > debian/arch
# 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, kmod, cpio
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.
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 $MAKE) -f
build:
\$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} KBUILD_SRC=
binary-arch:
\$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} KBUILD_SRC= intdeb-pkg
clean:
rm -rf debian/*tmp debian/files
\$(MAKE) clean
binary: binary-arch
EOF
exit 0