=> Bootstrap dependency digest>=20010302: found digest-20190127
===> 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'.
===> 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 ocaml-lwt_glib-1.1.1
    discover src/glib_c_flags.sexp,src/glib_c_library_flags.sexp (exit 1)
(cd _build/default/src && config/discover.exe ocamlc_config)
sh: pkg-config: not found
Command failed: pkg-config --cflags glib-2.0
*** Error code 1

Stop.
make[1]: stopped in /data/pkgsrc/devel/ocaml-lwt_glib
*** Error code 1

Stop.
make: stopped in /data/pkgsrc/devel/ocaml-lwt_glib