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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /scripts/package/builddeb | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rwxr-xr-x | scripts/package/builddeb | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/scripts/package/builddeb b/scripts/package/builddeb new file mode 100755 index 000000000..91a502bb9 --- /dev/null +++ b/scripts/package/builddeb @@ -0,0 +1,237 @@ +#!/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 + +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 +} + +create_package() { + local pname="$1" pdir="$2" + local dpkg_deb_opts + + mkdir -m 755 -p "$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 -n -9 "$pdir/usr/share/doc/$pname/changelog.Debian" + sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ + | xargs -r0 md5sum > DEBIAN/md5sums" + + # Fix ownership and permissions + if [ "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then + dpkg_deb_opts="--root-owner-group" + else + chown -R root:root "$pdir" + fi + chmod -R go-w "$pdir" + # in case we are in a restrictive umask environment like 0077 + chmod -R a+rX "$pdir" + # in case we build in a setuid/setgid directory + chmod -R ug-s "$pdir" + + # Create the package + dpkg-gencontrol -p$pname -P"$pdir" + dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" .. +} + +deploy_kernel_headers () { + pdir=$1 + + rm -rf $pdir + + ( + cd $srctree + find . arch/$SRCARCH -maxdepth 1 -name Makefile\* + find include scripts -type f -o -type l + find arch/$SRCARCH -name Kbuild.platforms -o -name Platform + find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f + ) > debian/hdrsrcfiles + + { + if is_enabled CONFIG_STACK_VALIDATION; then + echo tools/objtool/objtool + fi + + find arch/$SRCARCH/include Module.symvers include scripts -type f + + if is_enabled CONFIG_GCC_PLUGINS; then + find scripts/gcc-plugins -name \*.so + fi + } > debian/hdrobjfiles + + destdir=$pdir/usr/src/linux-headers-$version + mkdir -p $destdir + tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir + tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir + rm -f debian/hdrsrcfiles debian/hdrobjfiles + + # copy .config manually to be where it's expected to be + cp $KCONFIG_CONFIG $destdir/.config + + mkdir -p $pdir/lib/modules/$version/ + ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build +} + +deploy_libc_headers () { + pdir=$1 + + rm -rf $pdir + + $MAKE -f $srctree/Makefile headers + $MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr + + # move asm headers to /usr/include/<libc-machine>/asm to match the structure + # used by Debian-based distros (to support multi-arch) + host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH) + mkdir $pdir/usr/include/$host_arch + mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/ +} + +version=$KERNELRELEASE +tmpdir=debian/linux-image +dbg_dir=debian/linux-image-dbg +packagename=linux-image-$version +dbg_packagename=$packagename-dbg + +if [ "$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=$(if_enabled_echo CONFIG_DEBUG_INFO Yes) + +# Setup the directory structure +rm -rf "$tmpdir" "$dbg_dir" debian/files +mkdir -m 755 -p "$tmpdir/DEBIAN" +mkdir -p "$tmpdir/lib" "$tmpdir/boot" + +# Install the kernel +if [ "$ARCH" = "um" ] ; then + mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename" + 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-$version" +fi +cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path" + +if is_enabled CONFIG_OF_EARLY_FLATTREE; then + # Only some architectures with OF support have this target + if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then + $MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install + fi +fi + +if is_enabled CONFIG_MODULES; then + INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install + rm -f "$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 + if is_enabled CONFIG_MODULE_SIG_ALL; then + INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign + fi + fi +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} +for script in postinst postrm preinst prerm ; do + mkdir -p "$tmpdir$debhookdir/$script.d" + cat <<EOF > "$tmpdir/DEBIAN/$script" +#!/bin/sh + +set -e + +# Pass maintainer script parameters to hook scripts +export DEB_MAINT_PARAMS="\$*" + +# Tell initramfs builder whether it's wanted +export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No) + +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 + +if [ "$ARCH" != "um" ]; then + if is_enabled CONFIG_MODULES; then + deploy_kernel_headers debian/linux-headers + create_package linux-headers-$version debian/linux-headers + fi + + deploy_libc_headers debian/linux-libc-dev + create_package linux-libc-dev debian/linux-libc-dev +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 + create_package "$dbg_packagename" "$dbg_dir" +fi + +exit 0 |