[PATCH v3 2/5] selftests: mqueue: allow extra cflags

[Bamvor Jian Zhang]

Change from = to += in order to allows the user to pass whatever
CFLAGS they wish(E.g. pass the proper headers and librareis
(popt.h and libpopt.so) in cross-compiling)

Suggested-by: Michael Ellermani <mpe@xxxxxxxxxxxxxx>
Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@xxxxxxxxxx>
Acked-by: Michael Ellermani <mpe@xxxxxxxxxxxxxx>
---
 tools/testing/selftests/mqueue/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/mqueue/Makefile b/tools/testing/selftests/mqueue/Makefile
index 0e3b41e..ca8327f 100644
--- a/tools/testing/selftests/mqueue/Makefile
+++ b/tools/testing/selftests/mqueue/Makefile
@@ -1,4 +1,4 @@
-CFLAGS = -O2
+CFLAGS += -O2
 
 all:
 	$(CC) $(CFLAGS) mq_open_tests.c -o mq_open_tests -lrt
-- 
2.1.4

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