Core_kernel still has some Unix references lurking

[avsm]

Notably:

lib/pooled_hashtbl.ml:      let unix_time_before = Unix.time () in

This forces the pack to depend on Unix even if only Core_kernel is linked. Most of the other references are just type-level (Unix.file_descr) and less bad since they dont introduce a cma/x dependency.

[bmillwood]

This should be fixed in 112.06.

[raboof]

Unfortunately this only lasted until 112.24.00 where Time_ns was introduced which calls Unix.localtime at some point. See #42

[yminsky]

Hmm. Seems like we need something internal in our build that prevents this from creeping back in.

[raboof]

Agreed! I wonder if it'd help to try and convince oasis to use '-dontlink unix' when building the tests?

[hhugo]

We do have some internal check now. Wait for the next release.

async_kernel, bin_prot, core_kernel, fieldslib, sexplib, typerep_lib, variantslib
should all be free from Unix, Thread, Str references

[yminsky]

Lovely! Thanks.

[avsm]

Thanks Hugo!

[samoht]

great!