Found the following significant warnings:
  hal.cpp:266:10: warning: 'sem_init' is deprecated [-Wdeprecated-declarations]
  hal.cpp:271:13: warning: 'sem_destroy' is deprecated [-Wdeprecated-declarations]
See ‘/Volumes/Builds/packages/big-sur-arm64/results/4.2/GENLIB.Rcheck/00install.out’ for details.
Found the following significant warnings:
  hal.cpp:266:10: warning: 'sem_init' is deprecated [-Wdeprecated-declarations]
  hal.cpp:271:13: warning: 'sem_destroy' is deprecated [-Wdeprecated-declarations]
See ‘/Volumes/Builds/packages/high-sierra-x86_64/results/4.2/GENLIB.Rcheck/00install.out’ for details.
Found the following significant warnings:
  hal.cpp:266:10: warning: 'sem_init' is deprecated [-Wdeprecated-declarations]
  hal.cpp:271:13: warning: 'sem_destroy' is deprecated [-Wdeprecated-declarations]
See ‘/Volumes/Builds/packages/big-sur-arm64/results/4.1/GENLIB.Rcheck/00install.out’ for details.
Found the following significant warnings:
  hal.cpp:266:10: warning: 'sem_init' is deprecated [-Wdeprecated-declarations]
  hal.cpp:271:13: warning: 'sem_destroy' is deprecated [-Wdeprecated-declarations]
See ‘/Volumes/Builds/packages/high-sierra-x86_64/results/4.1/GENLIB.Rcheck/00install.out’ for details.