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-rw-r--r--tools/perf/util/llvm-utils.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index 55fb4b3b1157..8d04e3d070b1 100644
--- a/tools/perf/util/llvm-utils.c
+++ b/tools/perf/util/llvm-utils.c
@@ -8,6 +8,7 @@
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
+#include <unistd.h>
#include <linux/err.h>
#include <linux/string.h>
#include <linux/zalloc.h>