[PATCH] selftests: alsa: make LDLIBS consistent

[Ricardo B. Marliere]

In kselftest_deps.sh script, the level 3 parser is broken for the alsa
subsystem Makefile.

Output before patch:

$ ./kselftest_deps.sh gcc alsa
========================================================
Kselftest Dependency Check for [./kselftest_deps.sh gcc alsa] results...
========================================================
Checked tests defining LDLIBS dependencies
--------------------------------------------------------
Total tests with Dependencies:
6 Pass: 2 Fail: 4
--------------------------------------------------------
PASS: alsa/Makefile dependency check passed -lasound
PASS: alsa/Makefile dependency check passed -lpthread
--------------------------------------------------------
Targets passed build dependency check on system:
alsa
--------------------------------------------------------
FAIL: alsa/Makefile dependency check: $(shell
FAIL: alsa/Makefile dependency check: pkg-config
FAIL: alsa/Makefile dependency check: --libs
FAIL: alsa/Makefile dependency check: alsa)
--------------------------------------------------------
Targets failed build dependency check on system:
alsa
--------------------------------------------------------
Missing libraries system
$(shell alsa) --libs pkg-config
--------------------------------------------------------
========================================================

Output after patch:

$ ./kselftest_deps.sh gcc alsa
========================================================
Kselftest Dependency Check for [./kselftest_deps.sh gcc alsa] results...
========================================================
Checked tests defining LDLIBS dependencies
--------------------------------------------------------
Total tests with Dependencies:
2 Pass: 2 Fail: 0
--------------------------------------------------------
PASS: alsa/Makefile dependency check passed -lasound
PASS: alsa/Makefile dependency check passed -lpthread
--------------------------------------------------------
Targets passed build dependency check on system:
alsa
--------------------------------------------------------
========================================================

Signed-off-by: Ricardo B. Marliere <rbmarliere@xxxxxxxxx>
---
 tools/testing/selftests/alsa/Makefile | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile
index 5af9ba8a4645..b5670049c4e5 100644
--- a/tools/testing/selftests/alsa/Makefile
+++ b/tools/testing/selftests/alsa/Makefile
@@ -2,13 +2,13 @@
 #
 
 CFLAGS += $(shell pkg-config --cflags alsa)
-LDLIBS += $(shell pkg-config --libs alsa)
-ifeq ($(LDLIBS),)
-LDLIBS += -lasound
+VAR_LDLIBS += $(shell pkg-config --libs alsa)
+ifeq ($(VAR_LDLIBS),)
+VAR_LDLIBS += -lasound
 endif
 CFLAGS += -L$(OUTPUT) -Wl,-rpath=./
 
-LDLIBS+=-lpthread
+VAR_LDLIBS+=-lpthread
 
 OVERRIDE_TARGETS = 1
 
@@ -21,7 +21,7 @@ TEST_FILES := conf.d pcm-test.conf
 include ../lib.mk
 
 $(OUTPUT)/libatest.so: conf.c alsa-local.h
-	$(CC) $(CFLAGS) -shared -fPIC $< $(LDLIBS) -o $@
+	$(CC) $(CFLAGS) -shared -fPIC $< $(VAR_LDLIBS) -o $@
 
 $(OUTPUT)/%: %.c $(TEST_GEN_PROGS_EXTENDED) alsa-local.h
-	$(CC) $(CFLAGS) $< $(LDLIBS) -latest -o $@
+	$(CC) $(CFLAGS) $< $(VAR_LDLIBS) -latest -o $@
-- 
2.40.1