--- CMakeLists.txt.orig	2025-05-20 11:17:10 UTC
+++ CMakeLists.txt
@@ -908,6 +908,8 @@ OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/occt_defs_flags")
 # include original list of definitions and flags
 OCCT_INCLUDE_CMAKE_FILE ("adm/cmake/occt_defs_flags")
 
+include(adm/cmake/vtk.cmake) # workaround for https://gitlab.kitware.com/vtk/vtk/-/issues/19716
+
 foreach (OCCT_3RDPARTY_LIST ${OCCT_3RDPARTY_CMAKE_LIST})
   OCCT_INCLUDE_CMAKE_FILE (${OCCT_3RDPARTY_LIST})
 endforeach()
@@ -1101,7 +1103,7 @@ endif()
 endif()
 
 # validating custom.bat/sh for changes
-if (EXISTS "${CMAKE_BINARY_DIR}/custom.${SCRIPT_EXT}" AND EXISTS "${INSTALL_DIR}/${INSTALL_DIR_SCRIPT}/custom.${SCRIPT_EXT}")
+if (FALSE)
   file (READ "${INSTALL_DIR}/${INSTALL_DIR_SCRIPT}/custom.${SCRIPT_EXT}" CUSTOM_CONTENT)
   string(FIND "${CUSTOM_CONTENT}" "${ADDITIONAL_CUSTOM_CONTENT}" pos)
   if (pos EQUAL -1)
@@ -1340,7 +1342,7 @@ install (CODE "string (TOLOWER \"\${CMAKE_INSTALL_CONF
 endforeach()
 # install OpenCASCADE config file with compile definitions and C/C++ flags ONLY for current configuration
 install (CODE "string (TOLOWER \"\${CMAKE_INSTALL_CONFIG_NAME}\" CMAKE_INSTALL_CONFIG_NAME_LOWER)")
-install (CODE "file(INSTALL FILES \"${CMAKE_BINARY_DIR}/OpenCASCADECompileDefinitionsAndFlags-\${CMAKE_INSTALL_CONFIG_NAME_LOWER}.cmake\" DESTINATION \"${INSTALL_DIR}/${INSTALL_DIR_CMAKE}/\" TYPE FILE)")
+install (CODE "file(INSTALL FILES \"${CMAKE_BINARY_DIR}/OpenCASCADECompileDefinitionsAndFlags-\${CMAKE_INSTALL_CONFIG_NAME_LOWER}.cmake\" DESTINATION \"${INSTALL_DIR_CMAKE}/\" TYPE FILE)")
 
 foreach (OCCT_MODULE ${OCCT_MODULES})
   if (BUILD_MODULE_${OCCT_MODULE})