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Subject[PATCH 3.12 177/181] builddeb: use $OBJCOPY variable instead of objcopy
From: Fathi Boudra <>

3.12-stable review patch. If anyone has any objections, please let me know.


commit 6b4a144a92ab81a1f45fb9b12aebaaaee0d08120 upstream.

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 <>
Fixes: 810e843746b7 ('deb-pkg: split debug symbols in their own package')
Reviewed-by: Ben Hutchings <>
Signed-off-by: Michal Marek <>
Signed-off-by: Jiri Slaby <>
scripts/package/builddeb | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index c1bb9be00fa0..6d02fd5d59bd 100644
--- 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

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