From 49e620c3c5456aa80a9c5fc42208952ba1220872 Mon Sep 17 00:00:00 2001
From: Denis Kovalchuk <denis.kovalchuk.main@gmail.com>
Date: Thu, 19 Dec 2024 13:13:08 +0300
Subject: [PATCH] fix: follow-up to 717e6cb: add support for compilation with
 Boost < 1.87.0

---
 include/ftp/detail/socket_base.hpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/include/ftp/detail/socket_base.hpp b/include/ftp/detail/socket_base.hpp
index 04f7a94..875630d 100644
--- a/include/ftp/detail/socket_base.hpp
+++ b/include/ftp/detail/socket_base.hpp
@@ -104,11 +104,17 @@ class socket_base
     }
 
 private:
-    static std::pair<boost::asio::buffers_iterator<boost::asio::const_buffer>, bool>
-    match_eol(boost::asio::buffers_iterator<boost::asio::const_buffer> begin,
-              boost::asio::buffers_iterator<boost::asio::const_buffer> end)
+/* Boost >= 1.87.0 */
+#if BOOST_VERSION >= 108700
+    using buffers_iterator = boost::asio::buffers_iterator<boost::asio::const_buffer>;
+#else
+    using buffers_iterator = boost::asio::buffers_iterator<boost::asio::const_buffers_1>;
+#endif
+
+    static std::pair<buffers_iterator, bool>
+    match_eol(buffers_iterator begin, buffers_iterator end)
     {
-        boost::asio::buffers_iterator<boost::asio::const_buffer> it = begin;
+        buffers_iterator it = begin;
 
         while (it != end)
         {