pkg_add: no pkg found for 'osabi-NetBSD-8.0', sorry.
pkg_add: Can't install dependency osabi-NetBSD-8.0
libffi-3.3nb4: registering info file /usr/pkg/info/libffi.info
openssl-1.1.1gnb3: copying /usr/pkg/share/examples/openssl/openssl.cnf to /usr/pkg/etc/openssl/openssl.cnf
gmake-4.2.1nb1: registering info file /usr/pkg/info/make.info
pkg_add: no pkg found for 'py27-expat-[0-9]*', sorry.
pkg_add: Can't install dependency py27-expat-[0-9]*
No schema files found: doing nothing.
The databases in [/usr/pkg/share/applications] could not be updated.
pkg_add: 2 package additions failed
===========================================================================
$NetBSD: MESSAGE,v 1.1 2017/10/27 01:28:53 nat Exp $

To enable dma for use with NetBSD-8 or above.

Set the following environment variables:
	SDL_DSP_DMA_PRECISION
	SDL_DSP_DMA_FREQ
	SDL_DSP_DMA_CHANNELS

	SDL_DSP_NOSELECT=1

DMA parameters must match the hw virtual channel format for playback to
work with dma.

===========================================================================