$NetBSD: patch-surface_CMakeLists.txt,v 1.1 2021/05/07 11:36:29 thor Exp $

Support VTK 9, from PR 4262

--- surface/CMakeLists.txt.orig	2020-08-14 12:23:03.000000000 +0000
+++ surface/CMakeLists.txt
@@ -4,7 +4,7 @@ set(SUBSYS_DEPS common search kdtree oct
 
 set(build TRUE)
 PCL_SUBSYS_OPTION(build "${SUBSYS_NAME}" "${SUBSYS_DESC}" ON)
-PCL_SUBSYS_DEPEND(build "${SUBSYS_NAME}" DEPS ${SUBSYS_DEPS} OPT_DEPS qhull)
+PCL_SUBSYS_DEPEND(build "${SUBSYS_NAME}" DEPS ${SUBSYS_DEPS} EXT_DEPS vtk OPT_DEPS qhull)
 
 PCL_ADD_DOC("${SUBSYS_NAME}")
 
@@ -149,19 +149,32 @@ set(impl_incs
 )
 
 set(LIB_NAME "pcl_${SUBSYS_NAME}")
+
 include_directories(
   "${CMAKE_CURRENT_SOURCE_DIR}/include"
   "${CMAKE_CURRENT_SOURCE_DIR}"
 )
-include_directories(SYSTEM
-  ${VTK_INCLUDE_DIRS}
-)
-link_directories(${VTK_LIBRARY_DIRS})
 PCL_ADD_LIBRARY(${LIB_NAME} COMPONENT ${SUBSYS_NAME} SOURCES ${srcs} ${incs} ${impl_incs} ${VTK_SMOOTHING_INCLUDES} ${POISSON_INCLUDES} ${OPENNURBS_INCLUDES} ${ON_NURBS_INCLUDES})
-target_link_libraries("${LIB_NAME}" pcl_common pcl_search pcl_kdtree pcl_octree ${VTK_LIBRARIES} ${ON_NURBS_LIBRARIES})
+
+target_link_libraries("${LIB_NAME}" pcl_common pcl_search pcl_kdtree pcl_octree ${ON_NURBS_LIBRARIES})
+
+if(VTK_FOUND)
+  if(${VTK_VERSION} VERSION_LESS 9.0)
+    include_directories(SYSTEM ${VTK_INCLUDE_DIRS})
+    link_directories(${VTK_LIBRARY_DIRS})
+    target_link_libraries("${LIB_NAME}" ${VTK_LIBRARIES})
+  else()
+    target_link_libraries("${LIB_NAME}" VTK::CommonDataModel
+                                        VTK::CommonExecutionModel
+                                        VTK::FiltersModeling
+                                        VTK::FiltersCore)
+  endif()
+endif()
+
 if(QHULL_FOUND)
   target_link_libraries("${LIB_NAME}" ${QHULL_LIBRARIES})
 endif()
+
 PCL_MAKE_PKGCONFIG(${LIB_NAME} COMPONENT ${SUBSYS_NAME} DESC ${SUBSYS_DESC} PCL_DEPS ${SUBSYS_DEPS})
 
 # Install include files
@@ -178,6 +191,7 @@ endif()
 if(VTK_FOUND AND NOT ANDROID)
   PCL_ADD_INCLUDES("${SUBSYS_NAME}" "${SUBSYS_NAME}/vtk_smoothing" ${VTK_SMOOTHING_INCLUDES})
 endif()
+
 if(WIN32)
   target_link_libraries("${LIB_NAME}" Rpcrt4.lib)
 endif()