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-rw-r--r--tools/perf/util/util.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index a45710b70a55..0f4045d0c83c 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -39,6 +39,8 @@
#define _ALL_SOURCE 1
#define _BSD_SOURCE 1
+/* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
+#define _DEFAULT_SOURCE 1
#define HAS_BOOL
#include <unistd.h>