find_path(MongoDB_INCLUDE_DIR mongo/client/dbclient.h
    ${CMAKE_INCLUDE_PATH}
    /usr/include/
    /usr/local/include/
    /usr/include/mongo/
    /usr/local/include/mongo/
    /opt/mongo/include/
    $ENV{ProgramFiles}/Mongo/*/include
    $ENV{SystemDrive}/Mongo/*/include
  )

list(APPEND CMAKE_INCLUDE_PATH /mingw32)

find_path(
  MUPARSER_INCLUDE_DIR
  NAMES muParser.h
  PATHS ${CMAKE_INCLUDE_PATH}/muParser /usr/include/muParser
  DOC "The muParser include directory"
)

include_directories(${CMAKE_INCLUDE_PATH})

ExternalProject_Add(${proj}
  LIST_SEPARATOR ${sep}
  DOWNLOAD_COMMAND ""
  CMAKE_GENERATOR ${gen}
  CMAKE_GENERATOR_PLATFORM ${gen_platform}
  CMAKE_CACHE_ARGS
    # --------------- Build options ----------------
    -DCMAKE_INSTALL_PREFIX:PATH=${CMAKE_INSTALL_PREFIX}
    -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
    -DMITK_BUILD_CONFIGURATION:STRING=${MITK_BUILD_CONFIGURATION}
    -DMITK_XVFB_TESTING_COMMAND:STRING=${MITK_XVFB_TESTING_COMMAND}
    "-DCMAKE_CONFIGURATION_TYPES:STRING=${CMAKE_CONFIGURATION_TYPES}"
    "-DCMAKE_PREFIX_PATH:PATH=${ep_prefix};${CMAKE_PREFIX_PATH}"
    "-DCMAKE_LIBRARY_PATH:PATH=${CMAKE_LIBRARY_PATH}"
    "-DCMAKE_INCLUDE_PATH:PATH=${CMAKE_INCLUDE_PATH}"
    # --------------- Compile options ----------------
    -DCMAKE_CXX_EXTENSIONS:STRING=${CMAKE_CXX_EXTENSIONS}
    -DCMAKE_CXX_STANDARD:STRING=${CMAKE_CXX_STANDARD}
    -DCMAKE_CXX_STANDARD_REQUIRED:BOOL=${CMAKE_CXX_STANDARD_REQUIRED}
    -DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}
    -DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}
    "-DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS} ${MITK_ADDITIONAL_C_FLAGS}"
    "-DCMAKE_CXX_FLAGS:STRING=${CMAKE_CXX_FLAGS} ${MITK_ADDITIONAL_CXX_FLAGS}"
    # debug flags
    "-DCMAKE_CXX_FLAGS_DEBUG:STRING=${CMAKE_CXX_FLAGS_DEBUG} ${MITK_ADDITIONAL_CXX_FLAGS_DEBUG}"
    "-DCMAKE_C_FLAGS_DEBUG:STRING=${CMAKE_C_FLAGS_DEBUG} ${MITK_ADDITIONAL_C_FLAGS_DEBUG}"
    # release flags
    "-DCMAKE_CXX_FLAGS_RELEASE:STRING=${CMAKE_CXX_FLAGS_RELEASE} ${MITK_ADDITIONAL_CXX_FLAGS_RELEASE}"
    "-DCMAKE_C_FLAGS_RELEASE:STRING=${CMAKE_C_FLAGS_RELEASE} ${MITK_ADDITIONAL_C_FLAGS_RELEASE}"
    # relwithdebinfo
    -DCMAKE_CXX_FLAGS_RELWITHDEBINFO:STRING=${CMAKE_CXX_FLAGS_RELWITHDEBINFO}
    -DCMAKE_C_FLAGS_RELWITHDEBINFO:STRING=${CMAKE_C_FLAGS_RELWITHDEBINFO}
    # link flags
    "-DCMAKE_EXE_LINKER_FLAGS:STRING=${CMAKE_EXE_LINKER_FLAGS} ${MITK_ADDITIONAL_EXE_LINKER_FLAGS}"
    "-DCMAKE_SHARED_LINKER_FLAGS:STRING=${CMAKE_SHARED_LINKER_FLAGS} ${MITK_ADDITIONAL_SHARED_LINKER_FLAGS}"
    "-DCMAKE_MODULE_LINKER_FLAGS:STRING=${CMAKE_MODULE_LINKER_FLAGS} ${MITK_ADDITIONAL_MODULE_LINKER_FLAGS}"
    # Output directories
    -DMITK_CMAKE_LIBRARY_OUTPUT_DIRECTORY:PATH=${MITK_CMAKE_LIBRARY_OUTPUT_DIRECTORY}
    -DMITK_CMAKE_RUNTIME_OUTPUT_DIRECTORY:PATH=${MITK_CMAKE_RUNTIME_OUTPUT_DIRECTORY}
    -DMITK_CMAKE_ARCHIVE_OUTPUT_DIRECTORY:PATH=${MITK_CMAKE_ARCHIVE_OUTPUT_DIRECTORY}
    # ------------- Boolean build options --------------
    ${mitk_superbuild_boolean_args}
    ${mitk_optional_cache_args}
    -DMITK_USE_SUPERBUILD:BOOL=OFF
    -DMITK_PCH:BOOL=${MITK_PCH}
    -DMITK_FAST_TESTING:BOOL=${MITK_FAST_TESTING}
    -DMITK_XVFB_TESTING:BOOL=${MITK_XVFB_TESTING}
    -DCTEST_USE_LAUNCHERS:BOOL=${CTEST_USE_LAUNCHERS}
    # ----------------- Miscellaneous ---------------
    -DCMAKE_LIBRARY_PATH:PATH=${CMAKE_LIBRARY_PATH}
    -DCMAKE_INCLUDE_PATH:PATH=${CMAKE_INCLUDE_PATH}
    -DMITK_CTEST_SCRIPT_MODE:STRING=${MITK_CTEST_SCRIPT_MODE}
    -DMITK_SUPERBUILD_BINARY_DIR:PATH=${MITK_BINARY_DIR}
    -DMITK_MODULES_TO_BUILD:INTERNAL=${MITK_MODULES_TO_BUILD}
    -DMITK_WHITELIST:STRING=${MITK_WHITELIST}
    -DMITK_WHITELISTS_EXTERNAL_PATH:STRING=${MITK_WHITELISTS_EXTERNAL_PATH}
    -DMITK_WHITELISTS_INTERNAL_PATH:STRING=${MITK_WHITELISTS_INTERNAL_PATH}
    -DMITK_EXTENSION_DIRS:STRING=${MITK_EXTENSION_DIRS}
    -DMITK_ACCESSBYITK_INTEGRAL_PIXEL_TYPES:STRING=${MITK_ACCESSBYITK_INTEGRAL_PIXEL_TYPES}
    -DMITK_ACCESSBYITK_FLOATING_PIXEL_TYPES:STRING=${MITK_ACCESSBYITK_FLOATING_PIXEL_TYPES}
    -DMITK_ACCESSBYITK_COMPOSITE_PIXEL_TYPES:STRING=${MITK_ACCESSBYITK_COMPOSITE_PIXEL_TYPES}
    -DMITK_ACCESSBYITK_VECTOR_PIXEL_TYPES:STRING=${MITK_ACCESSBYITK_VECTOR_PIXEL_TYPES}
    -DMITK_ACCESSBYITK_DIMENSIONS:STRING=${MITK_ACCESSBYITK_DIMENSIONS}
    -DMITK_CUSTOM_REVISION_DESC:STRING=${MITK_CUSTOM_REVISION_DESC}
    "-DMITK_CODESIGN_IDENTITY:STRING=${MITK_CODESIGN_IDENTITY}"
    # --------------- External project options ---------------
    -DMITK_DATA_DIR:PATH=${MITK_DATA_DIR}
    -DMITK_EXTERNAL_PROJECT_PREFIX:PATH=${ep_prefix}
    -DCppMicroServices_DIR:PATH=${CppMicroServices_DIR}
    -DDCMTK_CMAKE_DEBUG_POSTFIX:STRING=${DCMTK_CMAKE_DEBUG_POSTFIX}
    -DBoost_ROOT:PATH=${Boost_ROOT}
    -DBOOST_LIBRARYDIR:PATH=${BOOST_LIBRARYDIR}
    -DMITK_USE_Boost_LIBRARIES:STRING=${MITK_USE_Boost_LIBRARIES}
    -DQt6_DIR:PATH=${Qt6_DIR}
  CMAKE_ARGS
    ${mitk_initial_cache_arg}
    ${MAC_OSX_ARCHITECTURE_ARGS}
    ${mitk_superbuild_ep_args}
  SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}
  BINARY_DIR ${CMAKE_BINARY_DIR}/MITK-build
  BUILD_COMMAND ""
  INSTALL_COMMAND ""
  DEPENDS
    MITK-Utilities
  )

MESSAGE( "CMAKE_INCLUDE_PATH: " ${CMAKE_INCLUDE_PATH} )

FIND_PATH(LEPTONICA_INCLUDE_DIR allheaders.h
   HINTS
     ${LEPTONICA_INCLUDE_DIRS}
    ${CMAKE_INCLUDE_PATH}
)

foreach(directory ${CMAKE_INCLUDE_PATH})