=> Bootstrap dependency digest>=20010302: found digest-20160304
===> 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 guetzli-1.0.1.tar.gz
=> Checksum RMD160 OK for guetzli-1.0.1.tar.gz
=> Checksum SHA512 OK for guetzli-1.0.1.tar.gz
===> Installing dependencies for guetzli-1.0.1
=> Tool dependency gmake>=3.81: found gmake-4.1nb3
=> Tool dependency pkgconf-[0-9]*: found pkgconf-1.3.5
=> Tool dependency checkperms>=1.1: found checkperms-1.11nb1
=> Build dependency cwrappers>=20150314: found cwrappers-20170611
=> Full dependency gflags>=2.1.2: found gflags-2.2.0
=> Full dependency png>=1.6.0nb1: found png-1.6.34
===> Overriding tools for guetzli-1.0.1
===> Extracting for guetzli-1.0.1
tar: Global extended headers posix ustar archive. Extracting as plain files. Following files might be in the wrong directory or have wrong attributes.
===> Patching for guetzli-1.0.1
===> Creating toolchain wrappers for guetzli-1.0.1
===> Configuring for guetzli-1.0.1
=> Checking for portability problems in extracted files