update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / tools / build / src / tools / features / warnings-feature.jam

# Copyright 2017 Rene Rivera
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.txt or copy at
# https://www.bfgroup.xyz/b2/LICENSE.txt)

import feature ;

#| tag::doc[]

[[bbv2.builtin.features.warnings]]`warnings`::
*Allowed values:* `on`, `all`, `extra`, `pedantic`, `off`.
+
Controls the warning level of compilers.
+
`on`::: enable default/"reasonable" warning level.
`all`::: enable most warnings.
`extra`::: enable extra, possibly conflicting, warnings.
`pedantic`::: enable likely inconsequential, and conflicting, warnings.
`off`::: disable all warnings.
+
Default value is `all`.

|# # end::doc[]

feature.feature warnings
    : on all extra pedantic off
    : incidental propagated ;

#| tag::doc[]

[[bbv2.builtin.features.warnings-as-errors]]`warnings-as-errors`::
*Allowed values:* `off`, `on`.
+
Makes it possible to treat warnings as errors and abort compilation on a
warning.

|# # end::doc[]

feature.feature warnings-as-errors
    : off on
    : incidental propagated ;