On Tue, 2013-05-07 at 17:46 +0200, Anisse Astier wrote: > This can reduce almost 3 times the size of the linux-image package, > while keeping the debug symbols available for this particular build, in > their own package. > > This mimics the way kernels are built in debian, ubuntu, or with > make-kpkg, and comes at the price of a small slowdown in the building of > packages. > > Signed-off-by: Anisse Astier <anisse@xxxxxxxxx> > --- > scripts/package/builddeb | 43 ++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 42 insertions(+), 1 deletion(-) > > diff --git a/scripts/package/builddeb b/scripts/package/builddeb > index 2d84671..797484b 100644 > --- a/scripts/package/builddeb > +++ b/scripts/package/builddeb > @@ -78,17 +78,21 @@ 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 > kernel_headers_packagename=linux-headers-$version > libc_headers_packagename=linux-libc-dev > +dbg_packagename=$packagename-dbg > > if [ "$ARCH" = "um" ] ; then > packagename=user-mode-linux-$version > fi > > +BUILD_DEBUG="$(grep -s '^CONFIG_DEBUG_INFO=y' $objtree/$KCONFIG_CONFIG || true)" As in the previous patch, you can omit $objtree/ here. [...] > @@ -128,6 +136,20 @@ if grep -q '^CONFIG_MODULES=y' $objtree/$KCONFIG_CONFIG ; then > mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" > rmdir "$tmpdir/lib/modules/$version" > fi > + if [ -n "$BUILD_DEBUG" ] ; then > + ( > + cd $tmpdir > + for module in $(find lib/modules/ -name *.ko); do What if this is a non-modular kernel? [...] > +if [ -n "$BUILD_DEBUG" ] ; then > + # Build debug package > + mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ > + cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ [...] Different tools have different ideas about where vmlinux debuginfo should be. What I ended up doing in Debian's own kernel debug packages in wheezy was installing/symlinking to all of: /usr/lib/debug/boot/vmlinux-$version [systemtap] /usr/lib/debug/lib/modules/$version/vmlinux [perf] /usr/lib/debug/vmlinux-$version [kdump-tools] So unless anyone has a better suggestion I think you'd better do the same here. (But really, the Linux development community ought to agree on a single canonical path format that all such tools will support.) Ben. -- Ben Hutchings For every action, there is an equal and opposite criticism. - Harrison
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