From f741d58fd686d71896b9107049108c1a4414dba4 Mon Sep 17 00:00:00 2001
From: Artem Pavlenko <artem@mapnik.org>
Date: Tue, 30 Aug 2022 10:40:25 +0100
Subject: [PATCH] Fix building with boost_1_80 (#4340)

(cherry picked from commit 81103491b467e17218140f50bc0bb9dc8c1f0317)
---
 test/unit/serialization/wkb_test.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/test/unit/serialization/wkb_test.cpp b/test/unit/serialization/wkb_test.cpp
index 8a617df26..26b019951 100644
--- a/test/unit/serialization/wkb_test.cpp
+++ b/test/unit/serialization/wkb_test.cpp
@@ -57,6 +57,23 @@ struct spatially_equal_visitor
         return true;
     }
 
+    result_type operator()(mapnik::geometry::multi_line_string<double> const& lhs,
+                           mapnik::geometry::multi_line_string<double> const& rhs) const
+    {
+
+        std::size_t size0 = lhs.size();
+        std::size_t size1 = rhs.size();
+        if (size0 != size1)
+            return false;
+
+        for (std::size_t index = 0; index < size0; ++index)
+        {
+            if (!boost::geometry::equals(lhs[index], rhs[index]))
+                return false;
+        }
+        return true;
+    }
+
     template <typename T>
     result_type operator() (T const& lhs, T const& rhs) const
     {