=> 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'.
===> Building for sift-0.6.0nb6
github.com/svent/sift/gitignore
github.com/svent/sift
go build github.com/svent/sift: invalid flag in #cgo CFLAGS: -funroll-loops
*** Error code 1

Stop.
make[1]: stopped in /data/pkgsrc/textproc/sift
*** Error code 1

Stop.
make: stopped in /data/pkgsrc/textproc/sift