Any comments ? Anisse
On Fri, 22 Mar 2013 11:06:00 +0100, Anisse Astier <ani...@astier.eu> 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 <ani...@astier.eu> > --- > scripts/package/builddeb | 33 ++++++++++++++++++++++++++++++++- > 1 file changed, 32 insertions(+), 1 deletion(-) > > diff --git a/scripts/package/builddeb b/scripts/package/builddeb > index acb8650..7f7a7fd 100644 > --- a/scripts/package/builddeb > +++ b/scripts/package/builddeb > @@ -78,17 +78,19 @@ 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 > > # Setup the directory structure > -rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir" > +rm -rf "$tmpdir" "$fwdir" "$kernel_headers_dir" "$libc_headers_dir" > "$dbg_dir" > mkdir -m 755 -p "$tmpdir/DEBIAN" > mkdir -p "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename" > mkdir -m 755 -p "$fwdir/DEBIAN" > @@ -98,6 +100,8 @@ mkdir -p > "$libc_headers_dir/usr/share/doc/$libc_headers_packagename" > mkdir -m 755 -p "$kernel_headers_dir/DEBIAN" > mkdir -p "$kernel_headers_dir/usr/share/doc/$kernel_headers_packagename" > mkdir -p "$kernel_headers_dir/lib/modules/$version/" > +mkdir -p "$dbg_dir/usr/share/doc/$dbg_packagename" > +mkdir -m 755 -p "$dbg_dir/DEBIAN" > if [ "$ARCH" = "um" ] ; then > mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" > fi > @@ -128,8 +132,24 @@ if grep -q '^CONFIG_MODULES=y' .config ; then > mv "$tmpdir/lib/modules/$version"/* > "$tmpdir/usr/lib/uml/modules/$version/" > rmdir "$tmpdir/lib/modules/$version" > fi > + # Build debug package > + ( > + cd $tmpdir > + for module in $(find lib/modules/ -name *.ko); do > + mkdir -p $(dirname $dbg_dir/usr/lib/debug/$module) > + # only keep debug symbols in the debug file > + objcopy --only-keep-debug $module > $dbg_dir/usr/lib/debug/$module > + # strip original module from debug symbols > + objcopy --strip-debug $module > + # then add a link to those > + objcopy > --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $module > + done > + ) > fi > > +mkdir -p $dbg_dir/usr/lib/debug/lib/modules/$version/ > +cp vmlinux $dbg_dir/usr/lib/debug/lib/modules/$version/ > + > if [ "$ARCH" != "um" ]; then > $MAKE headers_check KBUILD_SRC= > $MAKE headers_install KBUILD_SRC= > INSTALL_HDR_PATH="$libc_headers_dir/usr" > @@ -297,6 +317,17 @@ if [ "$ARCH" != "um" ]; then > create_package "$libc_headers_packagename" "$libc_headers_dir" > fi > > +cat <<EOF >> debian/control > + > +Package: $dbg_packagename > +Section: devel > +Provides: linux-debug, linux-debug-$version > +Architecture: any > +Description: Linux kernel debugging symbols for $version > + This package will come in handy if you need to debug the kernel. > +EOF > + > +create_package "$dbg_packagename" "$dbg_dir" > create_package "$packagename" "$tmpdir" > > exit 0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
