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
m4-1.4.18nb2: registering info file /usr/pkg/info/m4.info
autoconf-2.69nb10: registering info file /usr/pkg/info/autoconf.info
autoconf-2.69nb10: registering info file /usr/pkg/info/standards.info
automake-1.16.2nb1: registering info file /usr/pkg/info/automake-history.info
automake-1.16.2nb1: registering info file /usr/pkg/info/automake.info
pkg_add: package `autoconf-2.69nb10' was already installed as dependency, now marked as installed manually
pkg_add: 1 package addition 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.

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