=> 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 guacamole-server-0.9.9.tar.gz
=> Checksum RMD160 OK for guacamole-server-0.9.9.tar.gz
=> Checksum SHA512 OK for guacamole-server-0.9.9.tar.gz
===> Installing dependencies for guacamole-server-0.9.9nb4
==========================================================================
The following variables will affect the build process of this package,
guacamole-server-0.9.9nb4.  Their current value is shown below:

        * JPEG_DEFAULT = jpeg
        * SSLBASE = /usr
        * SSLCERTS = /etc/openssl/certs
        * SSLDIR = /etc/openssl
        * SSLKEYS = /etc/openssl/private

Based on these variables, the following variables have been set:

        * JPEGBASE (defined, but empty)
        * JPEG_TYPE = jpeg

You may want to abort the process now with CTRL-C and change their value
before continuing.  Be sure to run `/usr/bin/make clean' after
the changes.
==========================================================================
=> 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 libvorbis>=1.1.0nb1: found libvorbis-1.3.5
=> Full dependency pulseaudio>=10.0: found pulseaudio-10.0
=> Full dependency ossp-uuid>=1.6.2: found ossp-uuid-1.6.2nb6
=> Full dependency pango>=1.36.8nb1: found pango-1.40.3
=> Full dependency cairo>=1.14.2nb1: found cairo-1.14.8
=> Full dependency png>=1.6.0nb1: found png-1.6.28
=> Full dependency libwebp>=0.5.0: found libwebp-0.5.1
=> Full dependency jpeg>=9: found jpeg-9b
=> Full dependency freerdp>=1.0.2: found freerdp-1.0.2nb20
=> Full dependency libtelnet>=0.21: found libtelnet-0.21
=> Full dependency libVNCServer>=0.9.11: found libVNCServer-0.9.11
=> Full dependency libssh2>=1.7.0nb1: found libssh2-1.8.0
===> Overriding tools for guacamole-server-0.9.9nb4
===> Extracting for guacamole-server-0.9.9nb4
===> Patching for guacamole-server-0.9.9nb4
=> Applying pkgsrc patches for guacamole-server-0.9.9nb4
=> Verifying /data/pkgsrc-current/net/guacamole-server/patches/patch-src_libguac_socket-fd.c
=> Applying pkgsrc patch /data/pkgsrc-current/net/guacamole-server/patches/patch-src_libguac_socket-fd.c
Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|$NetBSD: patch-src_libguac_socket-fd.c,v 1.1 2016/06/07 12:09:38 jperkin Exp $
|
|Include string.h for memset().
|
|--- src/libguac/socket-fd.c.orig	2016-01-07 20:07:47.000000000 +0000
|+++ src/libguac/socket-fd.c
--------------------------
Patching file src/libguac/socket-fd.c using Plan A...
Hunk #1 succeeded at 28.
done
===> Creating toolchain wrappers for guacamole-server-0.9.9nb4
ERROR: json-c>=0.12 is not installed; can't buildlink files.
*** Error code 1

Stop.
make[1]: stopped in /data/pkgsrc-current/net/guacamole-server
*** Error code 1

Stop.
make: stopped in /data/pkgsrc-current/net/guacamole-server