mte/unikernel/duniverse/dune_/doc/concepts/ocaml-flags.rst

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2025-11-11 02:07:51 +01:00
OCaml Flags
===========
In ``library``, ``executable``, ``executables``, and ``env`` stanzas,
you can specify OCaml compilation flags using the following fields:
- ``(flags <flags>)`` to specify flags passed to both ``ocamlc`` and
``ocamlopt``
- ``(ocamlc_flags <flags>)`` to specify flags passed to ``ocamlc`` only
- ``(ocamlopt_flags <flags>)`` to specify flags passed to ``ocamlopt`` only
For all these fields, ``<flags>`` is specified in the
:doc:`../reference/ordered-set-language`.
These fields all support ``(:include ...)`` forms.
The default value for ``(flags ...)`` is taken from the environment,
as a result it's recommended to write ``(flags ...)`` fields as
follows:
.. code:: dune
(flags (:standard <my options>))