From: Mathieu Desnoyers mathieu.desnoyers@efficios.com

commit 01ede99e9de16e7a1ed689c99f41022aa878f2f4 upstream.

Use $(KHDR_INCLUDES) as lookup path for kernel headers. This prevents building against kernel headers from the build environment in scenarios where kernel headers are installed into a specific output directory (O=...).

Signed-off-by: Mathieu Desnoyers mathieu.desnoyers@efficios.com Cc: Shuah Khan shuah@kernel.org Cc: linux-kselftest@vger.kernel.org Cc: Ingo Molnar mingo@redhat.com Cc: stable@vger.kernel.org # 5.18+ Signed-off-by: Shuah Khan skhan@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/testing/selftests/ptp/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/testing/selftests/ptp/Makefile +++ b/tools/testing/selftests/ptp/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -CFLAGS += -I../../../../usr/include/ +CFLAGS += $(KHDR_INCLUDES) TEST_PROGS := testptp LDLIBS += -lrt all: $(TEST_PROGS)