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237 lines
7.1 KiB
237 lines
7.1 KiB
#!/bin/sh |
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# |
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# builddeb 1.3 |
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# Copyright 2003 Wichert Akkerman <[email protected]> |
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# |
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# Simple script to generate a deb package for a Linux kernel. All the |
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# complexity of what to do with a kernel after it is installed or removed |
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# is left to other scripts and packages: they can install scripts in the |
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# /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location |
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# specified in KDEB_HOOKDIR) that will be called on package install and |
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# removal. |
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set -e |
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is_enabled() { |
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grep -q "^$1=y" include/config/auto.conf |
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} |
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if_enabled_echo() { |
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if is_enabled "$1"; then |
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echo -n "$2" |
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elif [ $# -ge 3 ]; then |
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echo -n "$3" |
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fi |
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} |
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create_package() { |
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local pname="$1" pdir="$2" |
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local dpkg_deb_opts |
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mkdir -m 755 -p "$pdir/DEBIAN" |
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mkdir -p "$pdir/usr/share/doc/$pname" |
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cp debian/copyright "$pdir/usr/share/doc/$pname/" |
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cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" |
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gzip -n -9 "$pdir/usr/share/doc/$pname/changelog.Debian" |
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sh -c "cd '$pdir'; find . -type f ! -path './DEBIAN/*' -printf '%P\0' \ |
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| xargs -r0 md5sum > DEBIAN/md5sums" |
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# Fix ownership and permissions |
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if [ "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then |
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dpkg_deb_opts="--root-owner-group" |
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else |
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chown -R root:root "$pdir" |
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fi |
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chmod -R go-w "$pdir" |
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# in case we are in a restrictive umask environment like 0077 |
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chmod -R a+rX "$pdir" |
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# in case we build in a setuid/setgid directory |
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chmod -R ug-s "$pdir" |
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# Create the package |
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dpkg-gencontrol -p$pname -P"$pdir" |
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dpkg-deb $dpkg_deb_opts ${KDEB_COMPRESS:+-Z$KDEB_COMPRESS} --build "$pdir" .. |
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} |
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deploy_kernel_headers () { |
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pdir=$1 |
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rm -rf $pdir |
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( |
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cd $srctree |
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find . arch/$SRCARCH -maxdepth 1 -name Makefile\* |
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find include scripts -type f -o -type l |
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find arch/$SRCARCH -name Kbuild.platforms -o -name Platform |
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find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f |
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) > debian/hdrsrcfiles |
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{ |
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if is_enabled CONFIG_STACK_VALIDATION; then |
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echo tools/objtool/objtool |
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fi |
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find arch/$SRCARCH/include Module.symvers include scripts -type f |
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if is_enabled CONFIG_GCC_PLUGINS; then |
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find scripts/gcc-plugins -name \*.so |
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fi |
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} > debian/hdrobjfiles |
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destdir=$pdir/usr/src/linux-headers-$version |
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mkdir -p $destdir |
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tar -c -f - -C $srctree -T debian/hdrsrcfiles | tar -xf - -C $destdir |
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tar -c -f - -T debian/hdrobjfiles | tar -xf - -C $destdir |
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rm -f debian/hdrsrcfiles debian/hdrobjfiles |
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# copy .config manually to be where it's expected to be |
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cp $KCONFIG_CONFIG $destdir/.config |
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mkdir -p $pdir/lib/modules/$version/ |
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ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build |
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} |
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deploy_libc_headers () { |
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pdir=$1 |
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rm -rf $pdir |
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$MAKE -f $srctree/Makefile headers |
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$MAKE -f $srctree/Makefile headers_install INSTALL_HDR_PATH=$pdir/usr |
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# move asm headers to /usr/include/<libc-machine>/asm to match the structure |
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# used by Debian-based distros (to support multi-arch) |
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host_arch=$(dpkg-architecture -a$(cat debian/arch) -qDEB_HOST_MULTIARCH) |
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mkdir $pdir/usr/include/$host_arch |
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mv $pdir/usr/include/asm $pdir/usr/include/$host_arch/ |
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} |
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version=$KERNELRELEASE |
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tmpdir=debian/linux-image |
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dbg_dir=debian/linux-image-dbg |
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packagename=linux-image-$version |
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dbg_packagename=$packagename-dbg |
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if [ "$ARCH" = "um" ] ; then |
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packagename=user-mode-linux-$version |
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fi |
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# Not all arches have the same installed path in debian |
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# XXX: have each arch Makefile export a variable of the canonical image install |
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# path instead |
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case $ARCH in |
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um) |
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installed_image_path="usr/bin/linux-$version" |
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;; |
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parisc|mips|powerpc) |
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installed_image_path="boot/vmlinux-$version" |
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;; |
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*) |
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installed_image_path="boot/vmlinuz-$version" |
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esac |
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BUILD_DEBUG=$(if_enabled_echo CONFIG_DEBUG_INFO Yes) |
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# Setup the directory structure |
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rm -rf "$tmpdir" "$dbg_dir" debian/files |
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mkdir -m 755 -p "$tmpdir/DEBIAN" |
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mkdir -p "$tmpdir/lib" "$tmpdir/boot" |
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# Install the kernel |
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if [ "$ARCH" = "um" ] ; then |
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mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" "$tmpdir/usr/share/doc/$packagename" |
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cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" |
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cp $KCONFIG_CONFIG "$tmpdir/usr/share/doc/$packagename/config" |
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gzip "$tmpdir/usr/share/doc/$packagename/config" |
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else |
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cp System.map "$tmpdir/boot/System.map-$version" |
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cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version" |
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fi |
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cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path" |
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if is_enabled CONFIG_OF_EARLY_FLATTREE; then |
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# Only some architectures with OF support have this target |
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if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then |
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$MAKE -f $srctree/Makefile INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install |
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fi |
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fi |
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if is_enabled CONFIG_MODULES; then |
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INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_install |
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rm -f "$tmpdir/lib/modules/$version/build" |
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rm -f "$tmpdir/lib/modules/$version/source" |
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if [ "$ARCH" = "um" ] ; then |
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mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" |
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rmdir "$tmpdir/lib/modules/$version" |
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fi |
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if [ -n "$BUILD_DEBUG" ] ; then |
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for module in $(find $tmpdir/lib/modules/ -name *.ko -printf '%P\n'); do |
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module=lib/modules/$module |
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mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module) |
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# only keep debug symbols in the debug file |
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$OBJCOPY --only-keep-debug $tmpdir/$module $dbg_dir/usr/lib/debug/$module |
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# strip original module from debug symbols |
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$OBJCOPY --strip-debug $tmpdir/$module |
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# then add a link to those |
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$OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $tmpdir/$module |
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done |
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# resign stripped modules |
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if is_enabled CONFIG_MODULE_SIG_ALL; then |
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INSTALL_MOD_PATH="$tmpdir" $MAKE -f $srctree/Makefile modules_sign |
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fi |
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fi |
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fi |
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# Install the maintainer scripts |
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# Note: hook scripts under /etc/kernel are also executed by official Debian |
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# kernel packages, as well as kernel packages built using make-kpkg. |
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# make-kpkg sets $INITRD to indicate whether an initramfs is wanted, and |
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# so do we; recent versions of dracut and initramfs-tools will obey this. |
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debhookdir=${KDEB_HOOKDIR:-/etc/kernel} |
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for script in postinst postrm preinst prerm ; do |
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mkdir -p "$tmpdir$debhookdir/$script.d" |
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cat <<EOF > "$tmpdir/DEBIAN/$script" |
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#!/bin/sh |
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set -e |
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# Pass maintainer script parameters to hook scripts |
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export DEB_MAINT_PARAMS="\$*" |
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# Tell initramfs builder whether it's wanted |
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export INITRD=$(if_enabled_echo CONFIG_BLK_DEV_INITRD Yes No) |
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test -d $debhookdir/$script.d && run-parts --arg="$version" --arg="/$installed_image_path" $debhookdir/$script.d |
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exit 0 |
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EOF |
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chmod 755 "$tmpdir/DEBIAN/$script" |
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done |
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if [ "$ARCH" != "um" ]; then |
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if is_enabled CONFIG_MODULES; then |
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deploy_kernel_headers debian/linux-headers |
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create_package linux-headers-$version debian/linux-headers |
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fi |
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deploy_libc_headers debian/linux-libc-dev |
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create_package linux-libc-dev debian/linux-libc-dev |
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fi |
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create_package "$packagename" "$tmpdir" |
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if [ -n "$BUILD_DEBUG" ] ; then |
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# Build debug package |
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# Different tools want the image in different locations |
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# perf |
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mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ |
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cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ |
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# systemtap |
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mkdir -p $dbg_dir/usr/lib/debug/boot/ |
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ln -s ../lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/boot/vmlinux-$version |
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# kdump-tools |
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ln -s lib/modules/$version/vmlinux $dbg_dir/usr/lib/debug/vmlinux-$version |
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create_package "$dbg_packagename" "$dbg_dir" |
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fi |
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exit 0
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