From 94cc728ddb9774eee62b84bcb1fe1cf252e03841 Mon Sep 17 00:00:00 2001
From: alemuntoni <muntoni.alessandro@gmail.com>
Date: Fri, 18 Sep 2020 12:54:03 +0200
Subject: [PATCH] missing include callback.h

---
 wrap/callback.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/wrap/callback.h b/wrap/callback.h
index 77d12317..4ad7db2a 100644
--- a/wrap/callback.h
+++ b/wrap/callback.h
@@ -27,6 +27,7 @@
 #include <stdarg.h>  // For va_start, etc.
 #include <memory>    // For std::unique_ptr
 #include <iostream>
+#include <string.h>
 
 namespace vcg {
 /*! \brief This function allow lenghty algorithms to report progress and status.