builddeb: use $OBJCOPY variable instead of objcopy

In cross-build environment, we expect to use the cross-compiler objcopy
instead of the host objcopy.

It fixes following build failures:
objcopy --only-keep-debug lib/modules/3.14/kernel/net/ipv6/xfrm6_mode_tunnel.ko /srv/build/linux/debian/dbgtmp/usr/lib/debug/lib/modules/3.14/kernel/net/ipv6/xfrm6_mode_tunnel.ko
objcopy: Unable to recognise the format of the input file `lib/modules/3.14/kernel/net/ipv6/xfrm6_mode_tunnel.ko'

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Cc: stable <stable@vger.kernel.org> # 3.12+
Fixes: 810e843746b7 ('deb-pkg: split debug symbols in their own package')
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Michal Marek <mmarek@suse.cz>

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index f46e4dd..152d4d2 100644 (file)
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -155,11 +155,11 @@ if grep -q '^CONFIG_MODULES=y' $KCONFIG_CONFIG ; then
                        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
+                               $OBJCOPY --only-keep-debug $module $dbg_dir/usr/lib/debug/$module
                                # strip original module from debug symbols
-                               objcopy --strip-debug $module
+                               $OBJCOPY --strip-debug $module
                                # then add a link to those
-                               objcopy --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $module
+                               $OBJCOPY --add-gnu-debuglink=$dbg_dir/usr/lib/debug/$module $module
                        done
                )
        fi