--- a/setup.py	2023-11-22 17:33:25.696469999 +0100
+++ b/setup.py	2023-11-22 17:33:38.316303559 +0100
@@ -303,7 +303,6 @@
             'src/mapnik_rule.cpp',
             'src/mapnik_scaling_method.cpp',
             'src/mapnik_style.cpp',
-            'src/mapnik_svg_generator_grammar.cpp',
             'src/mapnik_symbolizer.cpp',
             'src/mapnik_view_transform.cpp',
             'src/python_grid_utils.cpp',
--- a/src/mapnik_enumeration.hpp	2023-11-22 17:03:21.174455280 +0100
+++ b/src/mapnik_enumeration.hpp	2023-11-22 16:55:46.657125275 +0100
@@ -68,7 +68,7 @@
             using namespace boost::python::converter;
             return base_type::base::to_python(
                 registered<native_type>::converters.m_class_object
-                ,  static_cast<long>( v ));
+                ,  static_cast<long>( native_type(v) ));

         }
     };
--- a/src/mapnik_gamma_method.cpp	2023-11-22 17:03:21.177788563 +0100
+++ b/src/mapnik_gamma_method.cpp	2023-11-22 16:56:32.486562802 +0100
@@ -36,11 +36,11 @@
     using namespace boost::python;

     mapnik::enumeration_<mapnik::gamma_method_e>("gamma_method")
-        .value("POWER", mapnik::GAMMA_POWER)
-        .value("LINEAR",mapnik::GAMMA_LINEAR)
-        .value("NONE", mapnik::GAMMA_NONE)
-        .value("THRESHOLD", mapnik::GAMMA_THRESHOLD)
-        .value("MULTIPLY", mapnik::GAMMA_MULTIPLY)
+        .value("POWER", mapnik::gamma_method_enum::GAMMA_POWER)
+        .value("LINEAR",mapnik::gamma_method_enum::GAMMA_LINEAR)
+        .value("NONE", mapnik::gamma_method_enum::GAMMA_NONE)
+        .value("THRESHOLD", mapnik::gamma_method_enum::GAMMA_THRESHOLD)
+        .value("MULTIPLY", mapnik::gamma_method_enum::GAMMA_MULTIPLY)
         ;

 }