Link just against required VTK modules on Linux.

Note:
If VTK is installed below /opt or anywhere else just add a path to GLOB_RECURSE.

src/Mod/MeshPart/App/CMakeLists.txt

@@ -6,7 +6,6 @@ endif(MSVC)
 
 if (BUILD_SMESH)
     add_definitions(-DHAVE_SMESH -DHAVE_MEFISTO)
-    include(${VTK_USE_FILE})
 endif(BUILD_SMESH)
 
 if(BUILD_FEM_NETGEN)
@@ -21,6 +20,7 @@ include_directories(
     ${PYTHON_INCLUDE_DIRS}
     ${XercesC_INCLUDE_DIRS}
     ${SMESH_INCLUDE_DIR}
+    ${VTK_INCLUDE_DIRS}
 )