add our own export.hpp for situations where PDAL didn't provide it

Author: hobu

src/pdal/filters/export.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+
+#ifdef _WIN32
+#   define PDAL_EXPORT   __declspec(dllexport)
+#   define PDAL_LOCAL
+#   define PDAL_EXPORT_UNIX
+#ifdef __GNUC__
+#   define PDAL_EXPORT_DEPRECATED __attribute__((deprecated)) PDAL_EXPORT
+#else
+#   define PDAL_EXPORT_DEPRECATED   __declspec(deprecated, dllexport)
+#endif
+#else
+#   define PDAL_EXPORT     __attribute__ ((visibility("default")))
+// Keep the PDAL_DLL name around so any external plugins that still might have that defined
+// can still compile and be used
+#   define PDAL_DLL     PDAL_EXPORT
+#   define PDAL_LOCAL   __attribute__((visibility("hidden")))
+#   define PDAL_EXPORT_UNIX   __attribute__ ((visibility("default")))
+#   define PDAL_EXPORT_DEPRECATED   __attribute__((deprecated))
+#endif // _WIN32

src/pdal/test/NumpyReaderTest.cpp

@@ -34,6 +34,8 @@
 
 #include <pdal/pdal_test_main.hpp>
 
+#include "../filters/export.hpp"
+
 #include <pdal/PipelineManager.hpp>
 #include <pdal/StageFactory.hpp>
 #include <pdal/filters/StatsFilter.hpp>

src/pdal/test/PythonFilterTest.cpp

@@ -34,6 +34,8 @@
 
 #include <pdal/pdal_test_main.hpp>
 
+#include "../filters/export.hpp"
+
 #include <pdal/PipelineManager.hpp>
 #include <pdal/StageFactory.hpp>
 #include <pdal/io/FauxReader.hpp>