=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for libcassandra-20101010.tar.gz
=> Checksum SHA512 OK for libcassandra-20101010.tar.gz
===> Installing dependencies for libcassandra-20101010nb44
==========================================================================
The following variables will affect the build process of this package,
libcassandra-20101010nb44.  Their current value is shown below:

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

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: found libtool-base-2.4.7nb1
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> Tool dependency perl>=5.0: found perl-5.36.0
=> Tool dependency cwrappers>=20150314: found cwrappers-20220403
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Build dependency boost-headers-1.81.*: NOT found
=> Verifying /nonexistent for ../../devel/boost-headers
make[1]: don't know how to make /nonexistent. Stop

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

Stop.
make: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/databases/libcassandra