=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for xnc-5.0.4.src.tar.gz
=> Checksum SHA512 OK for xnc-5.0.4.src.tar.gz
===> Installing dependencies for xnc-5.0.4nb15
==========================================================================
The following variables will affect the build process of this package,
xnc-5.0.4nb15.  Their current value is shown below:

        * JPEG_DEFAULT = jpeg

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 the value
of variables in the first group before continuing.  Be sure to run
`/usr/bin/make clean' after the changes.
==========================================================================
=> Tool dependency libtool-base>=2.4.2nb9: NOT found
=> Verifying /nonexistent for ../../devel/libtool-base
make[1]: don't know how to make /nonexistent. Stop

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

Stop.
make: stopped in /usr/pkgsrc/sysutils/xnc