[PATCH] selftests/landlock: Fix makefile header list

[Matthieu Buffet]

Make all headers part of make's dependencies computations.
Otherwise, updating audit.h, common.h, scoped_base_variants.h,
scoped_common.h, scoped_multiple_domain_variants.h, or wrappers.h,
re-running make and running selftests could lead to testing stale headers.

Fixes: 6a500b22971c ("selftests/landlock: Add tests for audit flags and domain IDs")
Fixes: fefcf0f7cf47 ("selftests/landlock: Test abstract UNIX socket scoping")
Fixes: 5147779d5e1b ("selftests/landlock: Add wrappers.h")
Signed-off-by: Matthieu Buffet <matthieu at buffet.re>
---
I was troubleshooting why some auditing selftests kept failing at random
(recvfrom() sometimes returning EAGAIN in audit_recv()). I did not
troubleshoot it yet, but I did find this first step while trying to edit
audit.h in vain:

 tools/testing/selftests/landlock/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/landlock/Makefile b/tools/testing/selftests/landlock/Makefile
index a3f449914bf9..044b83bde16e 100644
--- a/tools/testing/selftests/landlock/Makefile
+++ b/tools/testing/selftests/landlock/Makefile
@@ -4,7 +4,7 @@
 
 CFLAGS += -Wall -O2 $(KHDR_INCLUDES)
 
-LOCAL_HDRS += common.h
+LOCAL_HDRS += $(wildcard *.h)
 
 src_test := $(wildcard *_test.c)
 

base-commit: 6dde339a3df80a57ac3d780d8cfc14d9262e2acd
-- 
2.47.2