=> Bootstrap dependency digest>=20010302: found digest-20160304
WARNING: [license.mk] Every package should define a LICENSE.
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Checksum SHA1 OK for docbook-xsl-1.79.1.tar.bz2
=> Checksum RMD160 OK for docbook-xsl-1.79.1.tar.bz2
=> Checksum SHA512 OK for docbook-xsl-1.79.1.tar.bz2
===> Installing dependencies for dbtoepub-1.79.1nb1
=> Tool dependency checkperms>=1.1: found checkperms-1.11nb1
=> Build dependency cwrappers>=20150314: found cwrappers-20170112
=> Full dependency docbook-xsl>=1.79.1: found docbook-xsl-1.79.1nb2
=> Full dependency ruby23-base>=2.3.3: found ruby23-base-2.3.3
===> Overriding tools for dbtoepub-1.79.1nb1
===> Extracting for dbtoepub-1.79.1nb1
===> Patching for dbtoepub-1.79.1nb1
===> Creating toolchain wrappers for dbtoepub-1.79.1nb1
===> Configuring for dbtoepub-1.79.1nb1
=> Replacing ruby23 interpreter in epub/bin/dbtoepub.
=> Checking for portability problems in extracted files