https://gitlab.kitware.com/vtk/vtk/-/merge_requests/13291
https://gitlab.kitware.com/vtk/vtk/-/commit/2395603fdddc40c29efc64c632ae98225ca2a58e

From 2395603fdddc40c29efc64c632ae98225ca2a58e Mon Sep 17 00:00:00 2001
From: Sankhesh Jhaveri <sankhesh.jhaveri@kitware.com>
Date: Wed, 27 May 2026 19:16:10 -0400
Subject: [PATCH] Fix GDAL const conversion issue

This change fixes a compiler error where 'CSLConstList' {aka const char*
const*} is being converted to 'char**'.
--- a/Geovis/GDAL/vtkGDALRasterConverter.cxx
+++ b/Geovis/GDAL/vtkGDALRasterConverter.cxx
@@ -149,7 +149,11 @@ void vtkGDALRasterConverter::vtkGDALRasterConverterInternal::CopyToVTK(
       }
 
       vtkNew<vtkLookupTable> colorTable;
+#if (GDAL_VERSION_MAJOR > 3) || (GDAL_VERSION_MAJOR == 3 && GDAL_VERSION_MINOR >= 13)
+      const char* const* categoryNames = band->GetCategoryNames();
+#else
       char** categoryNames = band->GetCategoryNames();
+#endif
 
       colorTable->IndexedLookupOn();
       int numEntries = gdalTable->GetColorEntryCount();
--- a/IO/GDAL/vtkGDALRasterReader.cxx
+++ b/IO/GDAL/vtkGDALRasterReader.cxx
@@ -182,7 +182,11 @@ void vtkGDALRasterReader::vtkGDALRasterReaderInternal::ReadMetaData(const std::s
     this->Reader->DriverShortName = GDALGetDriverShortName(driver);
     this->Reader->DriverLongName = GDALGetDriverLongName(driver);
 
+#if (GDAL_VERSION_MAJOR > 3) || (GDAL_VERSION_MAJOR == 3 && GDAL_VERSION_MINOR >= 13)
+    const char* const* papszMetaData = GDALGetMetadata(this->GDALData, nullptr);
+#else
     char** papszMetaData = GDALGetMetadata(this->GDALData, nullptr);
+#endif
     if (CSLCount(papszMetaData) > 0)
     {
       for (int i = 0; papszMetaData[i] != nullptr; ++i)
@@ -734,7 +738,11 @@ void vtkGDALRasterReader::vtkGDALRasterReaderInternal::ReadColorTable(
     return;
   }
 
+#if (GDAL_VERSION_MAJOR > 3) || (GDAL_VERSION_MAJOR == 3 && GDAL_VERSION_MINOR >= 13)
+  const char* const* categoryNames = rasterBand->GetCategoryNames();
+#else
   char** categoryNames = rasterBand->GetCategoryNames();
+#endif
 
   colorTable->IndexedLookupOn();
   int numEntries = gdalTable->GetColorEntryCount();
@@ -882,7 +890,11 @@ std::vector<std::string> vtkGDALRasterReader::GetDomainMetaData(const std::strin
 {
   std::vector<std::string> domainMetaData;
 
+#if (GDAL_VERSION_MAJOR > 3) || (GDAL_VERSION_MAJOR == 3 && GDAL_VERSION_MINOR >= 13)
+  const char* const* papszMetadata = GDALGetMetadata(this->Impl->GDALData, domain.c_str());
+#else
   char** papszMetadata = GDALGetMetadata(this->Impl->GDALData, domain.c_str());
+#endif
 
   if (CSLCount(papszMetadata) > 0)
   {
-- 
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