linux-kernel - [PATCH for-next] selftests/alsa: Fix circular dependency involving global-timer

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Message-ID: <20241218025931.914164-1-lizhijian@fujitsu.com>
Date: Wed, 18 Dec 2024 10:59:31 +0800
From: Li Zhijian <lizhijian@...itsu.com>
To: linux-kselftest@...r.kernel.org
Cc: Li Zhijian <lizhijian@...itsu.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Shuah Khan <shuah@...nel.org>,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH for-next] selftests/alsa: Fix circular dependency involving global-timer

The pattern rule `$(OUTPUT)/%: %.c` inadvertently included a circular
dependency on the global-timer target due to its inclusion in
$(TEST_GEN_PROGS_EXTENDED). This resulted in a circular dependency
warning during the build process.

To resolve this, the dependency on $(TEST_GEN_PROGS_EXTENDED) has been
replaced with an explicit dependency on $(OUTPUT)/libatest.so. This change
ensures that libatest.so is built before any other targets that require it,
without creating a circular dependency.

This fix addresses the following warning:

make[4]: Entering directory 'tools/testing/selftests/alsa'
make[4]: Circular default_modconfig/kselftest/alsa/global-timer <- default_modconfig/kselftest/alsa/global-timer dependency dropped.
make[4]: Nothing to be done for 'all'.
make[4]: Leaving directory 'tools/testing/selftests/alsa'

Cc: Mark Brown <broonie@...nel.org>
Cc: Jaroslav Kysela <perex@...ex.cz>
Cc: Takashi Iwai <tiwai@...e.com>
Cc: Shuah Khan <shuah@...nel.org>
Signed-off-by: Li Zhijian <lizhijian@...itsu.com>
---
Cc: linux-sound@...r.kernel.org
Cc: linux-kselftest@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 tools/testing/selftests/alsa/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile
index 944279160fed..8dab90ad22bb 100644
--- a/tools/testing/selftests/alsa/Makefile
+++ b/tools/testing/selftests/alsa/Makefile
@@ -27,5 +27,5 @@ include ../lib.mk
 $(OUTPUT)/libatest.so: conf.c alsa-local.h
 	$(CC) $(CFLAGS) -shared -fPIC $< $(LDLIBS) -o $@

-$(OUTPUT)/%: %.c $(TEST_GEN_PROGS_EXTENDED) alsa-local.h
+$(OUTPUT)/%: %.c $(OUTPUT)/libatest.so alsa-local.h
 	$(CC) $(CFLAGS) $< $(LDLIBS) -latest -o $@
-- 
2.44.0