| #!/bin/sh |
| # |
| # builddeb 1.3 |
| # Copyright 2003 Wichert Akkerman <wichert@wiggy.net> |
| # |
| # Simple script to generate a deb package for a Linux kernel. All the |
| # complexity of what to do with a kernel after it is installed or removed |
| # is left to other scripts and packages: they can install scripts in the |
| # /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location |
| # specified in KDEB_HOOKDIR) that will be called on package install and |
| # removal. |
| |
| set -e |
| |
| create_package() { |
| local pname="$1" pdir="$2" |
| |
| mkdir -m 755 -p "$pdir/DEBIAN" |
| mkdir -p "$pdir/usr/share/doc/$pname" |
| cp debian/copyright "$pdir/usr/share/doc/$pname/" |
| cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" |
| gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian" |
| sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ |
| | xargs -r0 md5sum > DEBIAN/md5sums" |
| |
| # Fix ownership and permissions |
| chown -R root:root "$pdir" |
| chmod -R go-w "$pdir" |
| # in case we are in a restrictive umask environment like 0077 |
| chmod -R a+rX "$pdir" |
| |
| # Create the package |
| dpkg-gencontrol $forcearch -Vkernel:debarch="${debarch}" -p$pname -P"$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 it's 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=$KERNELRELEASE |
| revision=$(cat .version) |
| if [ -n "$KDEB_PKGVERSION" ]; then |
| packageversion=$KDEB_PKGVERSION |
| else |
| packageversion=$version-$revision |
| fi |
| sourcename=$KDEB_SOURCENAME |
| tmpdir="$objtree/debian/tmp" |
| fwdir="$objtree/debian/fwtmp" |
| kernel_headers_dir="$objtree/debian/hdrtmp" |
| libc_headers_dir="$objtree/debian/headertmp" |
| dbg_dir="$objtree/debian/dbgtmp" |
| packagename=linux-image-$version |
| fwpackagename=linux-firmware-image-$version |
| kernel_headers_packagename=linux-headers-$version |
| libc_headers_packagename=linux-libc-dev |
| dbg_packagename=$packagename-dbg |
| debarch= |
| forcearch= |
| set_debarch |
| |
| if [ "$ARCH" = "um" ] ; then |
| packagename=user-mode-linux-$version |
| fi |
| |
| # Not all arches have the same installed path in debian |
| # XXX: have each arch Makefile export a variable of the canonical image install |
| # path instead |
| case $ARCH in |
| um) |
| installed_image_path="usr/bin/linux-$version" |
| ;; |
| parisc|mips|powerpc) |
| installed_image_path="boot/vmlinux-$version" |
| ;; |
| *) |
| installed_image_path="boot/vmlinuz-$version" |
| esac |
| |
| BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $KCONFIG_CONFIG || true)" |
| |
| # Setup the directory structure |
| rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir" "$dbg_dir" $objtree/debian/files |
| mkdir -m 755 -p "$tmpdir/DEBIAN" |
| mkdir -p "$tmpdir/lib" "$tmpdir/boot" |
| mkdir -p "$fwdir/lib/firmware/$version/" |
| mkdir -p "$kernel_headers_dir/lib/modules/$version/" |
| |
| # Build and install the kernel |
| if [ "$ARCH" = "um" ] ; then |
| mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename" |
| $MAKE linux |
| cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" |
| cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config" |
| gzip "$tmpdir/usr/share/doc/$packagename/config" |
| else |
| cp System.map "$tmpdir/boot/System.map-$version" |
| cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version" |
| fi |
| # Not all arches include the boot path in KBUILD_IMAGE |
| if [ -e $KBUILD_IMAGE ]; then |
| cp $KBUILD_IMAGE "$tmpdir/$installed_image_path" |
| else |
| cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/$installed_image_path" |
| fi |
| |
| if grep -q "^CONFIG_OF=y" $KCONFIG_CONFIG ; then |
| # Only some architectures with OF support have this target |
| if grep -q dtbs_install "${srctree}/arch/$SRCARCH/Makefile"; then |
| $MAKE KBUILD_SRC= INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install |
| fi |
| fi |
| |
| if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then |
| INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_install |
| rm -f "$tmpdir/lib/modules/$version/build" |
| rm -f "$tmpdir/lib/modules/$version/source" |
| if [ "$ARCH" = "um" ] ; then |
| mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" |
| rmdir "$tmpdir/lib/modules/$version" |
| fi |
| if [ -n "$BUILD_DEBUG" ] ; then |
| for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do |
| module=lib/modules/$module |
| mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module) |
| # only keep debug symbols in the debug file |
| $OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module |
| # strip original module from debug symbols |
| $OBJCOPY --strip-debug $tmpdir/$module |
| # then add a link to those |
| $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module |
| done |
| |
| # resign stripped modules |
| MODULE_SIG_ALL="$(grep -s '^CONFIG_MODULE_SIG_ALL=y' $KCONFIG_CONFIG || true)" |
| if [ -n "$MODULE_SIG_ALL" ]; then |
| INSTALL_MOD_PATH="$tmpdir" $MAKE KBUILD_SRC= modules_sign |
| fi |
| fi |
| fi |
| |
| if [ "$ARCH" != "um" ]; then |
| $MAKE headers_check KBUILD_SRC= |
| $MAKE headers_install KBUILD_SRC= INSTALL_HDR_PATH="$libc_headers_dir/usr" |
| fi |
| |
| # Install the maintainer scripts |
| # Note: hook scripts under /etc/kernel are also executed by official Debian |
| # kernel packages, as well as kernel packages built using make-kpkg. |
| # make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and |
| # so do we; recent versions of dracut and initramfs-tools will obey this. |
| debhookdir=${KDEB_HOOKDIR:-/etc/kernel} |
| if grep -q '^CONFIG_BLK_DEV_INITRD=y' $KCONFIG_CONFIG; then |
| want_initrd=Yes |
| else |
| want_initrd=No |
| fi |
| for script in postinst postrm preinst prerm ; do |
| mkdir -p "$tmpdir$debhookdir/$script.d" |
| cat <<EOF > "$tmpdir/DEBIAN/$script" |
| #!/bin/sh |
| |
| set -e |
| |
| # Pass maintainer script parameters to hook scripts |
| export DEB_MAINT_PARAMS="\$*" |
| |
| # Tell initramfs builder whether it's wanted |
| export INITRD=$want_initrd |
| |
| test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d |
| exit 0 |
| EOF |
| chmod 755 "$tmpdir/DEBIAN/$script" |
| 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 ftp sites, including: |
| ftp://ftp.kernel.org/pub/linux/kernel |
| |
| Copyright: 1991 - 2015 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: $build_depends |
| Standards-Version: 3.8.4 |
| Homepage: http://www.kernel.org/ |
| EOF |
| |
| if [ "$ARCH" = "um" ]; then |
| cat <<EOF >> debian/control |
| |
| Package: $packagename |
| Provides: linux-image, linux-image-2.6, linux-modules-$version |
| 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: $packagename |
| Provides: linux-image, linux-image-2.6, linux-modules-$version |
| Suggests: $fwpackagename |
| 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 |
| (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 $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles" |
| (cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles" |
| if grep -q '^CONFIG_STACK_VALIDATION=y' $KCONFIG_CONFIG ; then |
| (cd $objtree; find tools/objtool -type f -executable) >> "$objtree/debian/hdrobjfiles" |
| fi |
| (cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles" |
| if grep -q '^CONFIG_GCC_PLUGINS=y' $KCONFIG_CONFIG ; then |
| (cd $objtree; find scripts/gcc-plugins -name \*.so -o -name gcc-common.h) >> "$objtree/debian/hdrobjfiles" |
| fi |
| destdir=$kernel_headers_dir/usr/src/linux-headers-$version |
| mkdir -p "$destdir" |
| (cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -) |
| (cd $objtree; tar -c -f - -T -) < "$objtree/debian/hdrobjfiles" | (cd $destdir; tar -xf -) |
| (cd $objtree; cp $KCONFIG_CONFIG $destdir/.config) # copy .config manually to be where it's expected to be |
| ln -sf "/usr/src/linux-headers-$version" "$kernel_headers_dir/lib/modules/$version/build" |
| rm -f "$objtree/debian/hdrsrcfiles" "$objtree/debian/hdrobjfiles" |
| |
| cat <<EOF >> debian/control |
| |
| Package: $kernel_headers_packagename |
| Provides: linux-headers, linux-headers-2.6 |
| Architecture: any |
| Description: Linux kernel headers for $KERNELRELEASE on \${kernel:debarch} |
| This package provides kernel header files for $KERNELRELEASE on \${kernel:debarch} |
| . |
| This is useful for people who need to build external modules |
| EOF |
| |
| # Do we have firmware? Move it out of the way and build it into a package. |
| if [ -e "$tmpdir/lib/firmware" ]; then |
| mv "$tmpdir/lib/firmware"/* "$fwdir/lib/firmware/$version/" |
| rmdir "$tmpdir/lib/firmware" |
| |
| cat <<EOF >> debian/control |
| |
| Package: $fwpackagename |
| Architecture: all |
| Description: Linux kernel firmware, version $version |
| This package contains firmware from the Linux kernel, version $version. |
| EOF |
| |
| create_package "$fwpackagename" "$fwdir" |
| fi |
| |
| 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 |
| create_package "$kernel_headers_packagename" "$kernel_headers_dir" |
| create_package "$libc_headers_packagename" "$libc_headers_dir" |
| fi |
| |
| create_package "$packagename" "$tmpdir" |
| |
| if [ -n "$BUILD_DEBUG" ] ; then |
| # Build debug package |
| # Different tools want the image in different locations |
| # perf |
| mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ |
| cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ |
| # systemtap |
| mkdir -p $dbg_dir/usr/lib/debug/boot/ |
| ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version |
| # kdump-tools |
| ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version |
| |
| cat <<EOF >> debian/control |
| |
| Package: $dbg_packagename |
| Section: debug |
| Provides: linux-debug, linux-debug-$version |
| 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" |
| 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 > ../${sourcename}_${packageversion}_${debarch}.changes |
| else |
| dpkg-genchanges -b > ../${sourcename}_${packageversion}_${debarch}.changes |
| fi |
| |
| exit 0 |
