Found the following significant warnings:
  Bos.cpp:361:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:365:20: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:373:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:378:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:383:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:392:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:398:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:404:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:410:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:420:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:427:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:434:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:441:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:448:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:458:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:466:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:474:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:482:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:490:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:498:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:510:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:519:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:528:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:537:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:546:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:555:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:564:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:812:10: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  Bos.cpp:826:14: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:131:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:135:20: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:143:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:148:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:153:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:162:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:168:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:174:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:180:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:190:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:197:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:204:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:211:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:218:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:228:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:236:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:244:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:252:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:260:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:268:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:280:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:289:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:298:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:307:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:316:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:325:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  BosPredict.cpp:334:19: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  ordinalClust.cpp:726:10: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
  ordinalClust.cpp:740:14: warning: 'operator<<' is deprecated [-Wdeprecated-declarations]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/ordinalClust.Rcheck/00install.out' for details.