if (USE_PUGIXML)
  add_definitions(-DORTHANC_PUGIXML_ENABLED=1)

  if (STATIC_BUILD OR NOT USE_SYSTEM_PUGIXML)
    set(PUGIXML_SOURCES_DIR ${CMAKE_BINARY_DIR}/pugixml-1.4)

    DownloadPackage(
      "7c56c91cfe3ecdee248a8e4892ef5781"
      "http://www.montefiore.ulg.ac.be/~jodogne/Orthanc/ThirdPartyDownloads/pugixml-1.4.tar.gz"
      "${PUGIXML_SOURCES_DIR}")

    include_directories(
      ${PUGIXML_SOURCES_DIR}/src
      )

    set(PUGIXML_SOURCES
      ${PUGIXML_SOURCES_DIR}/src/vlog_is_on.cc
      )

    list(APPEND THIRD_PARTY_SOURCES 
      ${PUGIXML_SOURCES_DIR}/src/pugixml.cpp
      )

  else()
    CHECK_INCLUDE_FILE_CXX(pugixml.hpp HAVE_PUGIXML_H)
    if (NOT HAVE_PUGIXML_H)
      message(FATAL_ERROR "Please install the libpugixml-dev package")
    endif()

    link_libraries(pugixml)
  endif()

else()
  add_definitions(-DORTHANC_PUGIXML_ENABLED=0)
endif()