===> Installing dependencies for xfce4-4.20.0
==========================================================================
The following variables will affect the build process of this package,
xfce4-4.20.0.  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 glib2-tools-[0-9]*: NOT found
=> Verifying /nonexistent for ../../devel/glib2-tools
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/devel/glib2-tools
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/meta-pkgs/xfce4