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-rw-r--r--tools/perf/builtin-diff.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 09be77b13788..eec5df80f5a3 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -19,6 +19,7 @@
#include "util/data.h"
#include "util/config.h"
+#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
#include <math.h>