+ PKG_PATH=/nfs/packages/NetBSD/trunk/x86_64/All /usr/tools/sbin/pkg_add -K /usr/pkg/pkgdb digest-20220214 mktools-20220614 cmake-3.23.2nb1 cwrappers-20220403 checkperms-1.12 ffmpegthumbnailer-2.2.2nb2 libduktape-2.7.0 libmatroska-1.6.3 libebml-1.4.2 taglib-1.12 libatomic-12.1.0nb1 libinotify-0.0.20180201 libuuid-2.32.1nb1 spdlog-1.10.0 libexif-0.6.24 libupnp-1.14.7 fmtlib-8.1.1 pugixml-1.12.1 curl-7.84.0nb1 desktop-file-utils-0.26nb1
rhash-1.4.3: copying /usr/pkg/share/examples/rhash/rhashrc to /usr/pkg/etc/rhashrc
libunistring-1.0: registering info file /usr/pkg/info/libunistring.info
libidn2-2.3.2: registering info file /usr/pkg/info/libidn2.info
libffi-3.4.2nb3: registering info file /usr/pkg/info/libffi.info
xmlcatmgr-2.2nb1: copying /usr/pkg/share/examples/xmlcatmgr/catalog.etc.sgml to /usr/pkg/etc/sgml/catalog
xmlcatmgr-2.2nb1: copying /usr/pkg/share/examples/xmlcatmgr/catalog.etc.xml to /usr/pkg/etc/xml/catalog
xmlcatmgr-2.2nb1: copying /usr/pkg/share/examples/xmlcatmgr/catalog.share.sgml to /usr/pkg/share/sgml/catalog
xmlcatmgr-2.2nb1: copying /usr/pkg/share/examples/xmlcatmgr/catalog.share.xml to /usr/pkg/share/xml/catalog
pkg_add: package `cwrappers-20220403' already recorded as installed
No schema files found: doing nothing.
fftw-3.3.10nb1: registering info file /usr/pkg/info/fftw3.info
pkg_add: package `libebml-1.4.2' was already installed as dependency, now marked as installed manually
pkg_add: package `libuuid-2.32.1nb1' was already installed as dependency, now marked as installed manually
pkg_add: package `curl-7.84.0nb1' was already installed as dependency, now marked as installed manually
The databases in [/usr/pkg/share/applications] could not be updated.
===========================================================================
$NetBSD: MESSAGE.NetBSD,v 1.3 2021/09/08 19:19:19 nia Exp $

To start JACK on NetBSD:

$ jackd -Sr -d sun

If you have an external USB mic:

$ jackd -Sr -d sun -P /dev/audio -C /dev/audio1 -i 1

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