=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for abc-yosys-0.45.tar.gz
=> Checksum SHA512 OK for abc-yosys-0.45.tar.gz
=> Checksum BLAKE2s OK for yosys-0.45.tar.gz
=> Checksum SHA512 OK for yosys-0.45.tar.gz
===> Installing dependencies for yosys-0.45nb1
==========================================================================
The following variables will affect the build process of this package,
yosys-0.45nb1.  Their current value is shown below:

        * PYTHON_VERSION_DEFAULT = 312

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

        * PYPACKAGE = python312
        * 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 mktools-[0-9]*: found mktools-20220614
=> Tool dependency bash-[0-9]*: found bash-5.2.37
=> Tool dependency bison>=1.0: found bison-3.8.2nb1
=> Tool dependency gawk>=3.1.1: found gawk-5.3.0
=> Tool dependency git-base-[0-9]*: found git-base-2.46.2
=> Tool dependency m4>=1.4: found m4-1.4.19nb1
=> 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 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/devel/yosys