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-rw-r--r--tools/testing/selftests/mqueue/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/mqueue/Makefile b/tools/testing/selftests/mqueue/Makefile
index 0e3b41eb85cd..ca8327f020b9 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