From ed9357a5aafea7192932b5874264bd103fc61255 Mon Sep 17 00:00:00 2001
From: Francois Budin <francois.budin@kitware.com>
Date: Mon, 30 Apr 2018 14:25:11 -0400
Subject: [PATCH] Adding VTK as ITK feature and using vcpkg HDF5

---
 ports/itk/CONTROL        |  6 +++++-
 ports/itk/portfile.cmake | 18 ++++++++++++++----
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/ports/itk/CONTROL b/ports/itk/CONTROL
index f4b29af947..a2cc426e81 100644
--- a/ports/itk/CONTROL
+++ b/ports/itk/CONTROL
@@ -1,4 +1,8 @@
 Source: itk
 Version: 4.13.0
 Description: Insight Segmentation and Registration Toolkit (ITK) is used for image processing and analysis.
-Build-Depends: double-conversion, libjpeg-turbo, zlib, libpng, tiff, expat
+Build-Depends: double-conversion, libjpeg-turbo, zlib, libpng, tiff, expat, hdf5[cpp]
+
+Feature: vtk
+Description: Build ITKVtkGlue module.
+Build-Depends: vtk
diff --git a/ports/itk/portfile.cmake b/ports/itk/portfile.cmake
index d37d5b150c..86dce452c4 100644
--- a/ports/itk/portfile.cmake
+++ b/ports/itk/portfile.cmake
@@ -8,9 +8,19 @@ vcpkg_from_github(
     HEAD_REF master
 )
 
+if ("vtk" IN_LIST FEATURES)
+    set(ITKVtkGlue                     ON )
+else()
+    set(ITKVtkGlue                     OFF )
+endif()
+
 # directory path length needs to be shorter than 50 characters
-file(RENAME ${SOURCE_PATH} ${CURRENT_BUILDTREES_DIR}/ITK)
-set(SOURCE_PATH "${CURRENT_BUILDTREES_DIR}/ITK")
+set(ITK_BUILD_DIR ${CURRENT_BUILDTREES_DIR}/ITK)
+if(EXISTS ${ITK_BUILD_DIR})
+  file(REMOVE_RECURSE ${ITK_BUILD_DIR})
+endif()
+file(RENAME ${SOURCE_PATH} ${ITK_BUILD_DIR})
+set(SOURCE_PATH "${ITK_BUILD_DIR}")
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
@@ -40,9 +50,9 @@ vcpkg_configure_cmake(
         #-DITK_PYTHON_VERSION=3
 
         # HDF5 must NOT be installed, otherwise it causes: ...\installed\x64-windows-static\include\H5Tpkg.h(25): fatal error C1189: #error:  "Do not include this file outside the H5T package!"
-        -DITK_USE_SYSTEM_HDF5=OFF # if ON, causes: ...\buildtrees\itk\x64-windows-static-rel\Modules\ThirdParty\HDF5\src\itk_H5Cpp.h(25): fatal error C1083: Cannot open include file: 'H5Cpp.h': No such file or directory
+        -DITK_USE_SYSTEM_HDF5=ON # if ON, causes: ...\buildtrees\itk\x64-windows-static-rel\Modules\ThirdParty\HDF5\src\itk_H5Cpp.h(25): fatal error C1083: Cannot open include file: 'H5Cpp.h': No such file or directory
 
-        # -DModule_ITKVtkGlue=ON # this option requires VTK to be a dependency in CONTROL file. VTK depends on HDF5!
+        -DModule_ITKVtkGlue=${ITKVtkGlue} # this option requires VTK to be a dependency in CONTROL file. VTK depends on HDF5!
         -DModule_IOSTL=ON # example how to turn on a non-default module
         -DModule_MorphologicalContourInterpolation=ON # example how to turn on a remote module
         -DModule_RLEImage=ON # example how to turn on a remote module