linux-kernel - [PATCH 5.4 038/165] selftests: safesetid: Move link library to LDLIBS

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Date:   Sat, 11 Jan 2020 10:49:17 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Masami Hiramatsu <mhiramat@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 038/165] selftests: safesetid: Move link library to LDLIBS

From: Masami Hiramatsu <mhiramat@...nel.org>

[ Upstream commit be12252212fa3dfed6e75112865095c484c0ce87 ]

Move -lcap to LDLIBS from CFLAGS because it is a library
to be linked.

Without this, safesetid failed to build with link error
as below.

----
/usr/bin/ld: /tmp/ccL8rZHT.o: in function `drop_caps':
safesetid-test.c:(.text+0xe7): undefined reference to `cap_get_proc'
/usr/bin/ld: safesetid-test.c:(.text+0x107): undefined reference to `cap_set_flag'
/usr/bin/ld: safesetid-test.c:(.text+0x10f): undefined reference to `cap_set_proc'
/usr/bin/ld: safesetid-test.c:(.text+0x117): undefined reference to `cap_free'
/usr/bin/ld: safesetid-test.c:(.text+0x136): undefined reference to `cap_clear'
collect2: error: ld returned 1 exit status
----

Fixes: c67e8ec03f3f ("LSM: SafeSetID: add selftest")
Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/safesetid/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/safesetid/Makefile b/tools/testing/selftests/safesetid/Makefile
index 98da7a504737..cac42cd36a1b 100644
--- a/tools/testing/selftests/safesetid/Makefile
+++ b/tools/testing/selftests/safesetid/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for mount selftests.
-CFLAGS = -Wall -lcap -O2
+CFLAGS = -Wall -O2
+LDLIBS = -lcap
 
 TEST_PROGS := run_tests.sh
 TEST_GEN_FILES := safesetid-test
-- 
2.20.1