=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Checksum SHA1 OK for paprefs-0.9.10.tar.gz
=> Checksum RMD160 OK for paprefs-0.9.10.tar.gz
=> Checksum SHA512 OK for paprefs-0.9.10.tar.gz
===> Installing dependencies for paprefs-0.9.10nb19
=> Tool dependency intltool>=0.40.0: found intltool-0.51.0nb2
=> Tool dependency gmake>=3.81: found gmake-4.1nb3
=> Tool dependency perl>=5.0: found perl-5.24.0
=> Tool dependency pkgconf-[0-9]*: found pkgconf-1.0.1
=> Tool dependency checkperms>=1.1: found checkperms-1.11nb1
=> Build dependency x11-links>=1.02: found x11-links-1.02
=> Build dependency cwrappers>=20150314: found cwrappers-20170112
=> Full dependency pulseaudio>=10.0: found pulseaudio-10.0
=> Full dependency gconfmm>=2.28.3nb15: found gconfmm-2.28.3nb18
=> Full dependency libsigc++>=2.0.17nb1: found libsigc++-2.10.0
=> Full dependency libglademm>=2.6.7nb23: found libglademm-2.6.7nb23
=> Full dependency gtk2+>=2.24.30nb2: found gtk2+-2.24.31
=> Full dependency gtkmm>=2.24.4nb8: found gtkmm-2.24.5
=> Full dependency desktop-file-utils>=0.10nb1: found desktop-file-utils-0.23
===> Overriding tools for paprefs-0.9.10nb19
===> Extracting for paprefs-0.9.10nb19
===> Patching for paprefs-0.9.10nb19
===> Creating toolchain wrappers for paprefs-0.9.10nb19
ERROR: json-c>=0.12 is not installed; can't buildlink files.
*** Error code 1

Stop.
make[1]: stopped in /data/pkgsrc-current/audio/paprefs
*** Error code 1

Stop.
make: stopped in /data/pkgsrc-current/audio/paprefs