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@xxxxxxxxxxxx> Cc: Shuah Khan <shuah@xxxxxxxxxx> Cc: linux-kselftest@xxxxxxxxxxxxxxx Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> [5.18+] --- tools/testing/selftests/dma/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/dma/Makefile b/tools/testing/selftests/dma/Makefile index cd8c5ece1cba..dd7f746f3e84 100644 --- a/tools/testing/selftests/dma/Makefile +++ b/tools/testing/selftests/dma/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -CFLAGS += -I../../../../usr/include/ +CFLAGS += $(KHDR_INCLUDES) CFLAGS += -I../../../../include/ TEST_GEN_PROGS := dma_map_benchmark -- 2.25.1