diff --git a/src/pdal/PyArray.hpp b/src/pdal/PyArray.hpp
index a702176f..b2aca844 100644
--- a/src/pdal/PyArray.hpp
+++ b/src/pdal/PyArray.hpp
@@ -34,6 +34,7 @@
 
 #pragma once
 
+#include "export.hpp"
 #include <pdal/PointView.hpp>
 
 #define NPY_TARGET_VERSION NPY_1_22_API_VERSION
@@ -60,7 +61,7 @@ class ArrayIter;
 
 using ArrayStreamHandler = std::function<int64_t()>;
 
-class PDAL_DLL Array
+class PDAL_EXPORT Array
 {
 public:
     using Shape = std::array<size_t, 3>;
@@ -89,7 +90,7 @@ class PDAL_DLL Array
 };
 
 
-class PDAL_DLL ArrayIter
+class PDAL_EXPORT ArrayIter
 {
 public:
     ArrayIter(const ArrayIter&) = delete;
diff --git a/src/pdal/PyPipeline.hpp b/src/pdal/PyPipeline.hpp
index 5233763f..1eed023f 100644
--- a/src/pdal/PyPipeline.hpp
+++ b/src/pdal/PyPipeline.hpp
@@ -34,6 +34,7 @@
 
 #pragma once
 
+#include "export.hpp"
 #include <pdal/PipelineManager.hpp>
 
 #define NPY_TARGET_VERSION NPY_1_22_API_VERSION
@@ -55,7 +56,7 @@ PyArrayObject* meshToNumpyArray(const TriangularMesh* mesh);
 
 class Array;
 
-class PDAL_DLL PipelineExecutor {
+class PDAL_EXPORT PipelineExecutor {
 public:
     PipelineExecutor(std::string const& json, std::vector<std::shared_ptr<Array>> arrays, int level);
     virtual ~PipelineExecutor() = default;
diff --git a/src/pdal/export.hpp b/src/pdal/export.hpp
new file mode 100644
index 00000000..5a6c9aea
--- /dev/null
+++ b/src/pdal/export.hpp
@@ -0,0 +1,44 @@
+/******************************************************************************
+* Copyright (c) 2025, Hobu Inc. (info@hobu.co)
+*
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following
+* conditions are met:
+*
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in
+*       the documentation and/or other materials provided
+*       with the distribution.
+*     * Neither the name of Hobu, Inc. nor the
+*       names of its contributors may be used to endorse or promote
+*       products derived from this software without specific prior
+*       written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+* OF SUCH DAMAGE.
+****************************************************************************/
+
+
+#include <pdal/util/pdal_util_export.hpp>
+
+#ifndef PDAL_EXPORT
+#   define PDAL_EXPORT  PDAL_DLL
+#endif
+
+#ifndef PDAL_DLL
+#   define PDAL_DLL     PDAL_EXPORT
+#endif