=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for canu-2.2.tar.xz
=> Checksum SHA512 OK for canu-2.2.tar.xz
===> Installing dependencies for canu-2.2nb4
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> Tool dependency gmake>=3.81: found gmake-4.4.1
=> Tool dependency perl>=5.38.0: found perl-5.38.2
=> 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/biology/canu