linux-kernel - [PATCH v1] selftests/landlock: Fix build with non-default pthread linking

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Message-ID: <20250115145409.312226-1-mic@digikod.net>
Date: Wed, 15 Jan 2025 15:54:07 +0100
From: Mickaël Salaün <mic@...ikod.net>
To: Günther Noack <gnoack@...gle.com>
Cc: Mickaël Salaün <mic@...ikod.net>,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	Nathan Chancellor <nathan@...nel.org>,
	Tahera Fahimi <fahimitahera@...il.com>
Subject: [PATCH v1] selftests/landlock: Fix build with non-default pthread linking

Old toolchains require explicit -lpthread (e.g. on Debian 11).

Cc: Günther Noack <gnoack@...gle.com>
Cc: Nathan Chancellor <nathan@...nel.org>
Cc: Tahera Fahimi <fahimitahera@...il.com>
Fixes: c8994965013e ("selftests/landlock: Test signal scoping for threads")
Signed-off-by: Mickaël Salaün <mic@...ikod.net>
---
 tools/testing/selftests/landlock/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/landlock/Makefile b/tools/testing/selftests/landlock/Makefile
index 348e2dbdb4e0..480f13e77fcc 100644
--- a/tools/testing/selftests/landlock/Makefile
+++ b/tools/testing/selftests/landlock/Makefile
@@ -13,11 +13,11 @@ TEST_GEN_PROGS := $(src_test:.c=)
 TEST_GEN_PROGS_EXTENDED := true
 
 # Short targets:
-$(TEST_GEN_PROGS): LDLIBS += -lcap
+$(TEST_GEN_PROGS): LDLIBS += -lcap -lpthread
 $(TEST_GEN_PROGS_EXTENDED): LDFLAGS += -static
 
 include ../lib.mk
 
 # Targets with $(OUTPUT)/ prefix:
-$(TEST_GEN_PROGS): LDLIBS += -lcap
+$(TEST_GEN_PROGS): LDLIBS += -lcap -lpthread
 $(TEST_GEN_PROGS_EXTENDED): LDFLAGS += -static
-- 
2.48.1