4 files changed, 19 insertions, 7 deletions
diff --git a/ports/vtk/FindHDF5.cmake b/ports/vtk/FindHDF5.cmake
index 1be15731b..27d8a8c74 100644
--- a/ports/vtk/FindHDF5.cmake
+++ b/ports/vtk/FindHDF5.cmake
@@ -1,20 +1,27 @@
-#The original VTK file is overdoing it and still prdouces errors that the target hdf5::hdf5_hl-shared cannot be found in dynamic builds
 find_package(hdf5 QUIET NO_MODULE)
 if(TARGET hdf5::hdf5-shared)
   set_target_properties(hdf5::hdf5-shared PROPERTIES IMPORTED_GLOBAL TRUE)
-  add_library(hdf5::hdf5 ALIAS hdf5::hdf5-shared)
+  if(NOT TARGET hdf5::hdf5)
+    add_library(hdf5::hdf5 ALIAS hdf5::hdf5-shared)
+  endif()
 elseif(TARGET hdf5::hdf5-static)
   set_target_properties(hdf5::hdf5-static PROPERTIES IMPORTED_GLOBAL TRUE)
-  add_library(hdf5::hdf5 ALIAS hdf5::hdf5-static)
+  if(NOT TARGET hdf5::hdf5)
+    add_library(hdf5::hdf5 ALIAS hdf5::hdf5-static)
+  endif()
 else()
   message(FATAL_ERROR "HDF5 target not found")
 endif()
 if(TARGET hdf5::hdf5_hl-shared)
   set_target_properties(hdf5::hdf5_hl-shared PROPERTIES IMPORTED_GLOBAL TRUE)
-  add_library(hdf5::hdf5_hl ALIAS hdf5::hdf5_hl-shared)
+  if(NOT TARGET hdf5::hdf5_hl)
+    add_library(hdf5::hdf5_hl ALIAS hdf5::hdf5_hl-shared)
+  endif()
 elseif(TARGET hdf5::hdf5_hl-static)
   set_target_properties(hdf5::hdf5_hl-static PROPERTIES IMPORTED_GLOBAL TRUE)
-  add_library(hdf5::hdf5_hl ALIAS hdf5::hdf5_hl-static)
+  if(NOT TARGET hdf5::hdf5_hl)
+    add_library(hdf5::hdf5_hl ALIAS hdf5::hdf5_hl-static)
+  endif()
 else()
   message(FATAL_ERROR "HDF5 HL target not found")
 endif()
diff --git a/ports/vtk/FindLZ4.patch b/ports/vtk/FindLZ4.patch
index dced8bf56..7f65de529 100644
--- a/ports/vtk/FindLZ4.patch
+++ b/ports/vtk/FindLZ4.patch
@@ -2,7 +2,7 @@ diff --git a/CMake/FindLZ4.cmake b/CMake/FindLZ4.cmake
 index 8c94e3bcd..ade3f9451 100644
 --- a/CMake/FindLZ4.cmake
 +++ b/CMake/FindLZ4.cmake
-@@ -1,38 +1,3 @@
+@@ -1,38 +1,5 @@
 -find_path(LZ4_INCLUDE_DIR
 -  NAMES lz4.h
 -  DOC "lz4 include directory")
@@ -43,5 +43,7 @@ index 8c94e3bcd..ade3f9451 100644
 -endif ()
 +find_package(LZ4 CONFIG REQUIRED)
 +set_target_properties(lz4::lz4 PROPERTIES IMPORTED_GLOBAL TRUE)
++if(NOT TARGET LZ4::LZ4)
 +add_library(LZ4::LZ4 ALIAS lz4::lz4)
++endif()
 \ No newline at end of file
diff --git a/ports/vtk/pegtl.patch b/ports/vtk/pegtl.patch
index 6374bb3a8..cbd1d8693 100644
--- a/ports/vtk/pegtl.patch
+++ b/ports/vtk/pegtl.patch
@@ -2,7 +2,7 @@ diff --git a/CMake/FindPEGTL.cmake b/CMake/FindPEGTL.cmake
 index 73eee02f7..22d8bc159 100644
 --- a/CMake/FindPEGTL.cmake	
 +++ b/CMake/FindPEGTL.cmake
-@@ -19,31 +19,40 @@
+@@ -19,31 +19,42 @@
  # Copyright (c) 2009 Benoit Jacob <jacob.benoit.1@gmail.com>
  # Redistribution and use is allowed according to the terms of the 2-clause BSD license.
  
@@ -16,7 +16,9 @@ index 73eee02f7..22d8bc159 100644
 +if(TARGET taocpp::pegtl)
 +    message(STATUS "Searching for PEGTL - found target taocpp::pegtl")
 +    set_target_properties(taocpp::pegtl PROPERTIES IMPORTED_GLOBAL TRUE)
++    if(NOT TARGET PEGTL::PEGTL)
 +    add_library(PEGTL::PEGTL ALIAS taocpp::pegtl)
++    endif()
 +else()
 +    find_path(PEGTL_INCLUDE_DIR
 +      NAMES pegtl/version.hpp
diff --git a/ports/vtk/vcpkg.json b/ports/vtk/vcpkg.json
index 725ace01d..a22785db3 100644
--- a/ports/vtk/vcpkg.json
+++ b/ports/vtk/vcpkg.json
@@ -1,6 +1,7 @@
 {
   "name": "vtk",
   "version-semver": "9.0.3-pv5.9.1",
+  "port-version": 1,
   "description": "Software system for 3D computer graphics, image processing, and visualization",
   "homepage": "https://github.com/Kitware/VTK",
   "dependencies": [