concurrencykit/ck — pull request #22 by PSUdaemon (2014-12-21 06:07:54+00:00)
Title: Replace _BSD_SOURCE with _DEFAULT_SOURCE

From GCC 4.9.2 on Fedora 21:

/usr/include/features.h:148:3: warning: #warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" [-Wcpp]
# warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"