diff --git a/MITKConfig.cmake.in b/MITKConfig.cmake.in
index 4f3e7a418a..c102dcc199 100644
--- a/MITKConfig.cmake.in
+++ b/MITKConfig.cmake.in
@@ -1,290 +1,290 @@
 if(CMAKE_VERSION VERSION_LESS @MITK_CMAKE_MINIMUM_REQUIRED_VERSION@)
   message(FATAL_ERROR "MITK requires at least CMake Version @MITK_CMAKE_MINIMUM_REQUIRED_VERSION@")
 endif()
 
 # The MITK version number
 set(MITK_VERSION_MAJOR "@MITK_VERSION_MAJOR@")
 set(MITK_VERSION_MINOR "@MITK_VERSION_MINOR@")
 set(MITK_VERSION_PATCH "@MITK_VERSION_PATCH@")
 set(MITK_VERSION_STRING "@MITK_VERSION_STRING@")
 
 #-----------------------------------------------------------------------------
 # C++ language standard
 #-----------------------------------------------------------------------------
 
 set(MITK_CXX_STANDARD @MITK_CXX_STANDARD@)
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
   # CMake 3.1 does not know yet how to enable C++11 for AppleClang
   # See http://public.kitware.com/Bug/view.php?id=15355
   set(MITK_NO_CXX_STANDARD_ERROR 1)
 endif()
 
 # We use target_compile_features for GNU and Clang to ensure
 # external projects are compiled with e.g. -std=c++11. For
 # msvc, C++11 support is always enabled by the compiler itself.
 if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND
    NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND
    NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
   if(NOT CMAKE_CXX_STANDARD STREQUAL MITK_CXX_STANDARD AND
      NOT MITK_NO_CXX_STANDARD_ERROR)
     message(FATAL_ERROR "MITK was compiled with C++11 enabled and we can't figure out if your project is compiled with C++11 enable as well. To silence this error set CMAKE_CXX_STANDARD to \"11\" at the top of your CMakeLists.txt file or set MITK_NO_CXX_STANDARD_ERROR to TRUE.")
   endif()
 endif()
 
 #-----------------------------------------------------------------------------
 # Include required CMake scripts
 #-----------------------------------------------------------------------------
 
 # Update the CMake module path
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "@MITK_SOURCE_DIR@/CMake")
 
 # Standard CMake macros
 include(CMakeParseArguments)
 include(FeatureSummary)
 include(GenerateExportHeader)
 include(FindPackageHandleStandardArgs)
 
 # Include MITK macros
 include(MacroParseArguments)
 include(mitkFunctionCheckMitkCompatibility)
 include(mitkFunctionOrganizeSources)
 include(mitkFunctionCreateWindowsBatchScript)
 include(mitkFunctionInstallProvisioningFiles)
 include(mitkFunctionInstallAutoLoadModules)
 include(mitkFunctionGetLibrarySearchPaths)
 include(mitkFunctionUseModules)
 include(mitkFunctionCheckModuleDependencies)
 include(mitkFunctionCreateModule)
 include(mitkMacroCreateExecutable)
 include(mitkMacroCreateModuleTests)
 include(mitkFunctionAddCustomModuleTest)
 include(mitkMacroMultiplexPicType)
 include(mitkMacroInstall)
 include(mitkMacroInstallHelperApp)
 include(mitkMacroInstallTargets)
 include(mitkMacroGenerateToolsLibrary)
 include(mitkMacroCreateCTKPlugin)
 include(mitkMacroGetPMDPlatformString)
 include(mitkMacroFindDependency)
 
 #-----------------------------------------------------------------------------
 # MITK flags and directories
 #-----------------------------------------------------------------------------
 
 # MITK compiler flags
 set(MITK_C_FLAGS "@MITK_C_FLAGS@")
 set(MTTK_C_FLAGS_DEBUG "@MITK_C_FLAGS_DEBUG@")
 set(MITK_C_FLAGS_RELEASE "@MITK_C_FLAGS_RELEASE@")
 set(MITK_CXX_FLAGS "@MITK_CXX_FLAGS@")
 set(MTTK_CXX_FLAGS_DEBUG "@MITK_CXX_FLAGS_DEBUG@")
 set(MITK_CXX_FLAGS_RELEASE "@MITK_CXX_FLAGS_RELEASE@")
 
 # MITK linker flags
 set(MITK_EXE_LINKER_FLAGS "@MITK_EXE_LINKER_FLAGS@")
 set(MITK_SHARED_LINKER_FLAGS "@MITK_SHARED_LINKER_FLAGS@")
 set(MITK_MODULE_LINKER_FLAGS "@MITK_MODULE_LINKER_FLAGS@")
 
 # MITK specific directories
 set(MITK_SOURCE_DIR "@MITK_SOURCE_DIR@")
 set(MITK_BINARY_DIR "@MITK_BINARY_DIR@")
 set(MITK_CMAKE_DIR "@MITK_CMAKE_DIR@")
 
 # MITK output directories
 set(MITK_CMAKE_RUNTIME_OUTPUT_DIRECTORY "@MITK_CMAKE_RUNTIME_OUTPUT_DIRECTORY@")
 set(MITK_CMAKE_ARCHIVE_OUTPUT_DIRECTORY "@MITK_CMAKE_ARCHIVE_OUTPUT_DIRECTORY@")
 set(MITK_CMAKE_LIBRARY_OUTPUT_DIRECTORY "@MITK_CMAKE_LIBRARY_OUTPUT_DIRECTORY@")
 
 #-----------------------------------------------------------------------------
 # Miscellaneous variables
 #-----------------------------------------------------------------------------
 
 # Internal version numbers, used for approximate compatibility checks
 # of a MITK development version (non-release).
 set(MITK_VERSION_PLUGIN_SYSTEM 2) # dropped legacy BlueBerry plug-in CMake support
 
 set(UTILITIES_DIR "@UTILITIES_DIR@")
 set(REGISTER_QFUNCTIONALITY_CPP_IN "@REGISTER_QFUNCTIONALITY_CPP_IN@")
 set(MITK_DOXYGEN_TAGFILE_NAME "@MITK_DOXYGEN_TAGFILE_NAME@")
 set(MITK_LEGACY_EXPORT_MACRO_NAME 1)
 
 if(CMAKE_CURRENT_LIST_DIR STREQUAL MITK_BINARY_DIR)
   set(MITK_EXTERNAL_PROJECT_PREFIX @MITK_EXTERNAL_PROJECT_PREFIX@)
 endif()
 
 set(MITK_MODULES_PACKAGE_DEPENDS_DIR "@MITK_MODULES_PACKAGE_DEPENDS_DIR@")
 if(MODULES_PACKAGE_DEPENDS_DIRS)
   list(APPEND MODULES_PACKAGE_DEPENDS_DIRS ${MITK_MODULES_PACKAGE_DEPENDS_DIR})
   list(REMOVE_DUPLICATES MODULES_PACKAGE_DEPENDS_DIRS)
 else()
   set(MODULES_PACKAGE_DEPENDS_DIRS ${MITK_MODULES_PACKAGE_DEPENDS_DIR})
 endif()
 
 #-----------------------------------------------------------------------------
 # External dependencies
 #-----------------------------------------------------------------------------
 
 list(APPEND CMAKE_PREFIX_PATH "@MITK_EXTERNAL_PROJECT_PREFIX@")
 
 # -----------------------------------------
 # Qt variables and dependencies
 
 set(MITK_USE_QT @MITK_USE_QT@)
 set(MITK_USE_Qt4 @MITK_USE_Qt4@)
 set(MITK_USE_Qt5 @MITK_USE_Qt5@)
 
 set(MITK_DESIRED_QT_VERSION @DESIRED_QT_VERSION@)
 
 if(MITK_USE_Qt4)
   set(MITK_QT4_MINIMUM_VERSION @MITK_QT4_MINIMUM_VERSION@)
   find_package(Qt4 ${MITK_QT4_MINIMUM_VERSION} REQUIRED)
 elseif(MITK_USE_Qt5)
   set(MITK_QT5_MINIMUM_VERSION @MITK_QT5_MINIMUM_VERSION@)
   set(MITK_QT5_COMPONENTS @MITK_QT5_COMPONENTS@)
   mitkMacroFindDependency(Qt5 ${MITK_QT5_MINIMUM_VERSION} COMPONENTS ${MITK_QT5_COMPONENTS})
 endif()
 
 # -----------------------------------------
 # Special Python variables
 
 set(MITK_USE_Python @MITK_USE_Python@)
 set(MITK_USE_SYSTEM_PYTHON @MITK_USE_SYSTEM_PYTHON@)
 if(MITK_USE_Python)
-  set(PYTHON_EXECUTABLE @PYTHON_EXECUTABLE@)
-  set(PYTHON_INCLUDE_DIR @PYTHON_INCLUDE_DIR@)
-  set(PYTHON_LIBRARY @PYTHON_LIBRARY@)
-  set(PYTHON_INCLUDE_DIR2 @PYTHON_INCLUDE_DIR2@)
+  set(PYTHON_EXECUTABLE "@PYTHON_EXECUTABLE@" CACHE FILEPATH "")
+  set(PYTHON_INCLUDE_DIR "@PYTHON_INCLUDE_DIR@" CACHE PATH "")
+  set(PYTHON_LIBRARY "@PYTHON_LIBRARY@" CACHE FILEPATH "")
+  set(PYTHON_INCLUDE_DIR2 "@PYTHON_INCLUDE_DIR2@" CACHE PATH "")
 
   mitkMacroFindDependency(PythonLibs)
   mitkMacroFindDependency(PythonInterp)
 endif()
 
 # -----------------------------------------
 # Special Boost variables
 
 set(MITK_USE_Boost @MITK_USE_Boost@)
 set(MITK_USE_Boost_LIBRARIES ${MITK_USE_Boost_LIBRARIES})
 set(MITK_USE_SYSTEM_Boost @MITK_USE_SYSTEM_Boost@)
 if(MITK_USE_Boost)
-  set(BOOST_ROOT "@BOOST_ROOT@")
-  set(BOOST_LIBRARYDIR "@BOOST_LIBRARYDIR@")
+  set(BOOST_ROOT "@BOOST_ROOT@" CACHE PATH "")
+  set(BOOST_LIBRARYDIR "@BOOST_LIBRARYDIR@" CACHE PATH "")
 endif()
 
 # -----------------------------------------
 # Special handling for SOFA
 
 if(MITK_USE_SOFA)
   # The SOFAConfig.cmake file does not provide exported targets or
   # libraries with absolute paths, hence we need to make the link
   # directories globally available until the SOFAConfig.cmake file
   # supports a proper mechanism for handling targets.
 #  find_package(SOFA PATHS ${SOFA_DIR} CONFIG REQUIRED)
   link_directories(${SOFA_LIBRARY_DIRS})
 endif()
 
 # -----------------------------------------
 # External dependencies from the superbuild
 # or injected from somewhere else via
 # <project>_DIR variables.
 
 @MITK_CONFIG_EXTERNAL_PROJECTS@
 
 # -----------------------------------------
 # Internal project dependencies
 
 set(CppMicroServices_DIR "@CppMicroServices_DIR@")
 mitkMacroFindDependency(CppMicroServices)
 
 set(MITK_USE_BLUEBERRY @MITK_USE_BLUEBERRY@)
 if(MITK_USE_BLUEBERRY)
 
   set(BlueBerry_DIR "@MITK_BINARY_DIR@/BlueBerry")
 
   # Don't include the BlueBerry exports file, since the targets are
   # also exported in the MITK exports file
   set(BB_PLUGIN_EXPORTS_FILE_INCLUDED 1)
   find_package(BlueBerry)
 
   if(NOT BlueBerry_FOUND)
     message(SEND_ERROR "MITK does not seem to be configured with BlueBerry support. Set MITK_USE_BLUEBERRY to ON in your MITK build configuration.")
   endif()
 
   set(MITK_PLUGIN_USE_FILE "@MITK_PLUGIN_USE_FILE@")
   if(MITK_PLUGIN_USE_FILE)
     if(EXISTS "${MITK_PLUGIN_USE_FILE}")
       include("${MITK_PLUGIN_USE_FILE}")
     endif()
   endif()
 
   set(MITK_PLUGIN_PROVISIONING_FILE "@MITK_EXTAPP_PROVISIONING_FILE@")
   set(MITK_PROVISIONING_FILES
       "${BLUEBERRY_PLUGIN_PROVISIONING_FILE}"
       "${MITK_PLUGIN_PROVISIONING_FILE}")
 
 endif()
 
 #-----------------------------------------------------------------------------
 # MITK sub-project variables
 #-----------------------------------------------------------------------------
 
 # External SDK directories
 set(MITK_PMD_SDK_DIR @MITK_PMD_SDK_DIR@)
 
 # MITK ToF use variables
 
 set(MITK_TOF_PMDCAMCUBE_AVAILABLE @MITK_USE_TOF_PMDCAMCUBE@)
 if(MITK_TOF_PMDCAMCUBE_AVAILABLE AND NOT ${PROJECT_NAME} STREQUAL "MITK")
   option(MITK_USE_TOF_PMDCAMCUBE "Enable support for PMD Cam Cube" @MITK_USE_TOF_PMDCAMCUBE@)
   mark_as_advanced(MITK_USE_TOF_PMDCAMCUBE)
 endif()
 
 set(MITK_TOF_PMDCAMBOARD_AVAILABLE @MITK_USE_TOF_PMDCAMBOARD@)
 if(MITK_TOF_PMDCAMBOARD_AVAILABLE AND NOT ${PROJECT_NAME} STREQUAL "MITK")
   option(MITK_USE_TOF_PMDCAMBOARD "Enable support for PMD Cam Board" @MITK_USE_TOF_PMDCAMBOARD@)
   mark_as_advanced(MITK_USE_TOF_PMDCAMBOARD)
 endif()
 
 set(MITK_TOF_PMDO3_AVAILABLE @MITK_USE_TOF_PMDO3@)
 if(MITK_TOF_PMDO3_AVAILABLE AND NOT ${PROJECT_NAME} STREQUAL "MITK")
   option(MITK_USE_TOF_PMDO3 "Enable support for PMD =3" @MITK_USE_TOF_PMDO3@)
   mark_as_advanced(MITK_USE_TOF_PMDO3)
 endif()
 
 set(MITK_TOF_KINECT_AVAILABLE @MITK_USE_TOF_KINECT@)
 if(MITK_TOF_KINECT_AVAILABLE AND NOT ${PROJECT_NAME} STREQUAL "MITK")
   option(MITK_USE_TOF_KINECT "Enable support for Kinect" @MITK_USE_TOF_KINECT@)
   mark_as_advanced(MITK_USE_TOF_KINECT)
 endif()
 
 set(MITK_TOF_MESASR4000_AVAILABLE @MITK_USE_TOF_MESASR4000@)
 if(MITK_TOF_MESASR4000_AVAILABLE AND NOT ${PROJECT_NAME} STREQUAL "MITK")
   option(MITK_USE_TOF_MESASR4000 "Enable support for MESA SR4000" @MITK_USE_TOF_MESASR4000@)
   mark_as_advanced(MITK_USE_TOF_MESASR4000)
 endif()
 
 if(MITK_USE_IGT)
   #include("${MITK_DIR}/mitkIGTConfig.cmake")
 endif()
 
 #-----------------------------------------------------------------------------
 # Import MITK targets and set custom properties
 #-----------------------------------------------------------------------------
 
 if(NOT MITK_EXPORTS_FILE_INCLUDED)
   if(EXISTS "@MITK_EXPORTS_FILE@")
     set(MITK_EXPORTS_FILE_INCLUDED 1)
     include("@MITK_EXPORTS_FILE@")
   endif()
 endif()
 
 # Set properties on exported targets
 @MITK_EXPORTED_TARGET_PROPERTIES@
 
 #-----------------------------------------------------------------------------
 # Install rules
 #-----------------------------------------------------------------------------
 
 # Install rules for ToF libraries loaded at runtime
 if(EXISTS "@MITK_BINARY_DIR@/mitkToFHardwareInstallRules.cmake")
   include("@MITK_BINARY_DIR@/mitkToFHardwareInstallRules.cmake")
 endif()