[PATCH 32/34] selftests: memfd: Use installed kernel headers search path

Mathieu Desnoyers
2023-01-27T14:00:09Z

Use $(KHDR_INCLUDES) as lookup path for installed kernel headers rather
than using kernel headers in include/uapi from the source kernel tree
kernel headers.

Remove bogus ../../../../include/ from the search path, because
kernel source headers are not needed by those user-space selftests, and
it causes issues because -I paths are searched before -isystem paths,
and conflicts for files appearing both in kernel sources and in uapi
headers with incompatible semantics (e.g. types.h).

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>
---
tools/testing/selftests/memfd/Makefile | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile
index 4da8b565fa32..163b6f68631c 100644
--- a/tools/testing/selftests/memfd/Makefile
+++ b/tools/testing/selftests/memfd/Makefile
@@ -1,8 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
CFLAGS += -D_FILE_OFFSET_BITS=64
-CFLAGS += -I../../../../include/uapi/
-CFLAGS += -I../../../../include/
-CFLAGS += -I../../../../usr/include/
+CFLAGS += $(KHDR_INCLUDES)

TEST_GEN_PROGS := memfd_test
TEST_PROGS := run_fuse_test.sh run_hugetlbfs_test.sh
--
2.25.1