[bug#43745] [PATCH 27/27] gnu: dune: Update to 2.7.1.

[zimoun]

On Thu, 01 Oct 2020 at 15:41, Julien Lepiller <julien@lepiller.eu> wrote:
> * gnu/packages/ocaml.scm (dune): Update to 2.7.1.
> (ocaml4.07-dune): Keep version 1.11.3.
> (ocaml-result, ocaml-csexp): Use the bootstrap dune on dune
> dependencies.
> (ocaml-craml, ocaml-bitstring): Run "dune upgrade" before building.
> ---
>  gnu/packages/ocaml.scm | 67 ++++++++++++++++++++++++++++++++++++------
>  1 file changed, 58 insertions(+), 9 deletions(-)

LGTM.

Noticing the ’ocaml-bitstring’ is not reproducible and ’ocaml-craml’
rebuild some dependencies.