From 68879d5a5ae8d414b0ec38fc0c9d9d9fcd6d5284 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C5=BEenan=20Zuki=C4=87?= <dzenan.zukic@kitware.com>
Date: Fri, 27 Mar 2026 16:18:41 -0400
Subject: [PATCH] Fix compile error Cannot open include file:
 'vtk3DSImporter.h'

The full error message was:

source\visualization\Vtk\src\G4VtkViewer.cc(43,10): error C1083: Cannot open include file: 'vtk3DSImporter.h': No such file or directory
---
 cmake/Modules/G4InterfaceOptions.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/Modules/G4InterfaceOptions.cmake b/cmake/Modules/G4InterfaceOptions.cmake
index beac8ea117b..6a7cd4e1b96 100644
--- a/cmake/Modules/G4InterfaceOptions.cmake
+++ b/cmake/Modules/G4InterfaceOptions.cmake
@@ -80,6 +80,7 @@ if(GEANT4_USE_VTK)
     CommonColor
     InteractionStyle
     IOExport
+    IOImport
     IOGeometry
     IOLegacy
     IOPLY