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-rw-r--r--tools/perf/ui/gtk/annotate.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/ui/gtk/annotate.c b/tools/perf/ui/gtk/annotate.c
index 71359b898b67..e99ba86158d2 100644
--- a/tools/perf/ui/gtk/annotate.c
+++ b/tools/perf/ui/gtk/annotate.c
@@ -4,6 +4,7 @@
#include "util/evsel.h"
#include "ui/helpline.h"
#include <inttypes.h>
+#include <signal.h>
enum {
ANN_COL__PERCENT,