BSD_SOURCE is deprecated and its use triggers the following warning (since glibc 2.20 AFAIK):
/usr/include/features.h:180:3: warning: #warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" [-Wcpp]
# warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
^~~~~~~
This shouldn't make any problems as it's been a long time.
BSD_SOURCE is deprecated and its use triggers the following warning (since glibc 2.20 AFAIK):
This shouldn't make any problems as it's been a long time.