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-rw-r--r--tools/perf/util/bpf-filter.y2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/bpf-filter.y b/tools/perf/util/bpf-filter.y
index 07d6c7926c13..5dfa948fc986 100644
--- a/tools/perf/util/bpf-filter.y
+++ b/tools/perf/util/bpf-filter.y
@@ -9,6 +9,8 @@
#include <linux/list.h>
#include "bpf-filter.h"
+int perf_bpf_filter_lex(void);
+
static void perf_bpf_filter_error(struct list_head *expr __maybe_unused,
char const *msg)
{