message: add -D_FILE_OFFSET_BITS=64 so it doesn't conk out on docker-on-mac|win
  .. because, apparently, those APIs can't handle 32bit directory structure entries.
diff: @@ -63,6 +63,11 @@ else()
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${NWNX_STANDARD_FLAGS} ${WARNING_FLAGS_CXX} -std=c++17")
  endif()
  +if (UNIX)
  + # Make nwnxee work on modern 64 bit file systems that don't support 32bit syscalls anymore.
  + add_definitions(-D_FILE_OFFSET_BITS=64)
  +endif()
  +
  add_definitions(-DNWNX_PLUGIN_PREFIX="${PLUGIN_PREFIX}")
  add_definitions(-DNWNX_TARGET_NWN_BUILD=${TARGET_NWN_BUILD})
  