sndfile-play.c: In function `linux_open_dsp_device':
sndfile-play.c:430: error: `SOUND_PCM_SETFMT_is_obsolete_use_SNDCTL_DSP_SETFMT_instead' undeclared (first use in this function)
sndfile-play.c:430: error: (Each undeclared identifier is reported only once
sndfile-play.c:430: error: for each function it appears in.)
sndfile-play.c:435: error: `SOUND_PCM_WRITE_CHANNELS_is_obsolete_use_SNDCTL_DSP_CHANNELS_instead' undeclared (first use in this function)
sndfile-play.c:440: error: `SOUND_PCM_WRITE_RATE_is_obsolet_use_SNDCTL_DSP_SPEED_instead' undeclared (first use in this function)
*** Error code 1

Stop in /usr/ports/audio/libsndfile/work/libsndfile-1.0.17/examples.
*** Error code 1

Stop in /usr/ports/audio/libsndfile/work/libsndfile-1.0.17.
*** Error code 1

Stop in /usr/ports/audio/libsndfile.
*** Error code 1

Stop in /usr/ports/audio/twolame.