=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for Syntax-SourceHighlight-2.1.3.tar.gz
=> Checksum SHA512 OK for Syntax-SourceHighlight-2.1.3.tar.gz
===> Installing dependencies for p5-Syntax-SourceHighlight-2.1.3nb3
=> Tool dependency p5-ExtUtils-PkgConfig>=1.12: found p5-ExtUtils-PkgConfig-1.16nb7
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> 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/textproc/p5-Syntax-SourceHighlight