=> 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 ocaml-bigstringaf-0.9.0
       gmake lib/freestanding/libbigstringaf_freestanding_stubs.a (exit 2)
(cd _build/default/lib/freestanding && /tmp/devel/ocaml-bigstringaf/work/.tools/bin/gmake)
gmake[2]: Entering directory '/tmp/devel/ocaml-bigstringaf/work/bigstringaf-0.9.0/_build/default/lib/freestanding'
gmake[2]: opam: No such file or directory
sh: pkg-config: not found
sh: pkg-config: not found
cc -O3    -c -o bigstringaf_stubs.o bigstringaf_stubs.c
lib/bigstringaf_stubs.c:35:10: fatal error: caml/mlvalues.h: No such file or directory
compilation terminated.
gmake[2]: *** [<builtin>: bigstringaf_stubs.o] Error 1
gmake[2]: Leaving directory '/tmp/devel/ocaml-bigstringaf/work/bigstringaf-0.9.0/_build/default/lib/freestanding'
*** Error code 1

Stop.
make[1]: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/devel/ocaml-bigstringaf
*** Error code 1

Stop.
make: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/devel/ocaml-bigstringaf