From 28ef5833a227ca06fd2a985a2f63740f8c97eeaf Mon Sep 17 00:00:00 2001
From: Francisco <francisco.paisana@softwareradiosystems.com>
Date: Sat, 6 Mar 2021 14:33:03 +0000
Subject: [PATCH] fix compilation issue for centos7

---
 lib/include/srslte/adt/circular_buffer.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/include/srslte/adt/circular_buffer.h b/lib/include/srslte/adt/circular_buffer.h
index 4b16f3898..fa29655f4 100644
--- a/lib/include/srslte/adt/circular_buffer.h
+++ b/lib/include/srslte/adt/circular_buffer.h
@@ -46,7 +46,7 @@ class base_circular_buffer
 
 public:
   using value_type      = T;
-  using difference_type = ptrdiff_t;
+  using difference_type = typename Container::difference_type;
 
   struct iterator {
     iterator(base_circular_buffer<Container>& parent_, size_t i) : parent(&parent_), idx(i) {}