=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for mkvtoolnix-87.0.tar.xz
=> Checksum SHA512 OK for mkvtoolnix-87.0.tar.xz
===> Installing dependencies for mkvtoolnix-87.0nb1
==========================================================================
The supported build options for mkvtoolnix are:

	doc gui

The currently selected options are:

	doc

You can select which build options to use by setting PKG_DEFAULT_OPTIONS
or the following variable.  Its current value is shown:

	PKG_OPTIONS.mkvtoolnix (not defined)

==========================================================================
==========================================================================
The following variables will affect the build process of this package,
mkvtoolnix-87.0nb1.  Their current value is shown below:

        * CURSES_DEFAULT = curses
        * JPEG_DEFAULT = jpeg
        * SSLBASE = /usr
        * SSLCERTBUNDLE (not defined)
        * SSLCERTS = /etc/openssl/certs
        * SSLDIR = /etc/openssl
        * SSLKEYS = /etc/openssl/private

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

        * CURSES_TYPE = curses
        * JPEGBASE (defined, but empty)
        * JPEG_TYPE = jpeg
        * TERMCAP_TYPE = termcap

You may want to abort the process now with CTRL-C and change the value
of variables in the first group before continuing.  Be sure to run
`/usr/bin/make clean' after the changes.
==========================================================================
=> Tool dependency docbook-xsl>=1.79.1nb5: found docbook-xsl-1.79.2nb7
=> Tool dependency ruby32-base>=3.2.5: found ruby32-base-3.2.5
=> Tool dependency po4a-[0-9]*: found po4a-0.73
=> Tool dependency glib2-tools-[0-9]*: found glib2-tools-2.80.4
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> Tool dependency gmake>=3.81: found gmake-4.4.1
=> Tool dependency pkgconf-[0-9]*: found pkgconf-2.3.0
=> Tool dependency cwrappers>=20150314: found cwrappers-20220403
=> Build dependency x11-links>=1.36: found x11-links-1.36
=> Build dependency boost-headers-1.86.*: NOT found
=> Verifying /nonexistent for ../../devel/boost-headers
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/devel/boost-headers
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/multimedia/mkvtoolnix