=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for libaacs-0.11.1
  YACC     src/file/keydbcfg-parser.c
./build-aux/ylwrap: /usr/pkg/bin/bison: not found
*** Error code 127

Stop.
make: stopped making "all" in /tmp/pkgbuild/multimedia/libaacs/work/libaacs-0.11.1
*** Error code 1

Stop.
make[1]: stopped making "all" in /usr/pkgsrc/multimedia/libaacs
*** Error code 1

Stop.
make: stopped making "all" in /usr/pkgsrc/multimedia/libaacs