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-rw-r--r--tools/perf/ui/gtk/hists.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index a4f02de7c1b5..e24f83957705 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -4,7 +4,9 @@
#include "../sort.h"
#include "../hist.h"
#include "../helpline.h"
+#include "../string2.h"
#include "gtk.h"
+#include <signal.h>
#define MAX_COLUMNS 32