demos: fix build on macOS with older deployment targets
clock_gettime() was added in macOS 10.12, and the default warnings require a __builtin_available
check around use of any API newer than the current deployment target.
clock_gettime() was added in macOS 10.12, and the default warnings require a __builtin_available
check around use of any API newer than the current deployment target.
VideoLAN code repository instance