dcmtk-example-3rdparty

IF(WIN32)

  # For Windows, we don't used FIND_PACKAGE because DCMTK usually is used with its
  # own set of 3rd-party support libraries that can be downloaded from DCMTK's
  # website (pre-built).

  # zlib support: find out whether user has library
  GET_FILENAME_COMPONENT(ZLIB_DIR "${DCMTK_SOURCE_DIR}/../zlib-1.2.5" ABSOLUTE)
  FIND_PATH(WITH_ZLIBINC "include/zlib.h" "${ZLIB_DIR}" NO_DEFAULT_PATH)

  # zlib support: configure compiler
  IF(DCMTK_WITH_ZLIB)
    IF(WITH_ZLIBINC)
      SET(ZLIB_INCDIR ${WITH_ZLIBINC}/include)
      SET(ZLIB_LIBDIR ${WITH_ZLIBINC}/lib)
      SET(ZLIB_LIBS debug ${ZLIB_LIBDIR}/zlib_d.lib optimized ${ZLIB_LIBDIR}/zlib_o.lib)
      MESSAGE(STATUS "Info: DCMTK ZLIB support will be enabled")
      SET(WITH_ZLIB 1)
    ELSE(WITH_ZLIBINC) # turn off library if library path not set
      MESSAGE(STATUS "Warning: ZLIB support will be disabled because zlib directory was not specified. Correct path and re-enable DCMTK_WITH_ZLIB.")
      SET(DCMTK_WITH_ZLIB OFF CACHE BOOL "" FORCE)
      SET(WITH_ZLIB "")
    ENDIF(WITH_ZLIBINC)
  ENDIF(DCMTK_WITH_ZLIB)

ELSE(WIN32)

  # Find zlib
  IF(DCMTK_WITH_ZLIB)
    PKG_SEARCH_MODULE(ZLIB REQUIRED zlib)
    IF(NOT ZLIB_FOUND)
      MESSAGE(STATUS "Warning: ZLIB support will be disabled because zlib was not found.")
      SET(WITH_ZLIB "")
      SET(DCMTK_WITH_ZLIB OFF CACHE BOOL "" FORCE)
    ELSE(NOT ZLIB_FOUND)
      MESSAGE(STATUS "Info: DCMTK ZLIB support will be enabled")
      SET(WITH_ZLIB 1)
      INCLUDE_DIRECTORIES(${ZLIB_INCLUDE_DIRS})
      SET(ZLIB_LIBS ${ZLIB_LIBRARIES})
    ENDIF(NOT ZLIB_FOUND)
  ENDIF(DCMTK_WITH_ZLIB)