linux-kernel - [PATCH AUTOSEL 4.14 1/2] selftests/futex: fix build for clang

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Message-Id: <20221106170724.1581086-1-sashal@kernel.org>
Date:   Sun,  6 Nov 2022 12:07:22 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Ricardo Cañuelo <ricardo.canuelo@...labora.com>,
        André Almeida <andrealmeid@...lia.com>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>, tglx@...utronix.de,
        mingo@...hat.com, shuah@...nel.org, nathan@...nel.org,
        ndesaulniers@...gle.com, usama.anjum@...labora.com,
        guillaume.tucker@...labora.com, linux-kselftest@...r.kernel.org,
        llvm@...ts.linux.dev
Subject: [PATCH AUTOSEL 4.14 1/2] selftests/futex: fix build for clang

From: Ricardo Cañuelo <ricardo.canuelo@...labora.com>

[ Upstream commit 03cab65a07e083b6c1010fbc8f9b817e9aca75d9 ]

Don't use the test-specific header files as source files to force a
target dependency, as clang will complain if more than one source file
is used for a compile command with a single '-o' flag.

Use the proper Makefile variables instead as defined in
tools/testing/selftests/lib.mk.

Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@...labora.com>
Reviewed-by: André Almeida <andrealmeid@...lia.com>
Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/testing/selftests/futex/functional/Makefile | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile
index ff8feca49746..ad175add3f1d 100644
--- a/tools/testing/selftests/futex/functional/Makefile
+++ b/tools/testing/selftests/futex/functional/Makefile
@@ -3,11 +3,11 @@ INCLUDES := -I../include -I../../
 CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES)
 LDFLAGS := $(LDFLAGS) -pthread -lrt
 
-HEADERS := \
+LOCAL_HDRS := \
 	../include/futextest.h \
 	../include/atomic.h \
 	../include/logging.h
-TEST_GEN_FILES := \
+TEST_GEN_PROGS := \
 	futex_wait_timeout \
 	futex_wait_wouldblock \
 	futex_requeue_pi \
@@ -19,5 +19,3 @@ TEST_GEN_FILES := \
 TEST_PROGS := run.sh
 
 include ../../lib.mk
-
-$(TEST_GEN_FILES): $(HEADERS)
-- 
2.35.1