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spurious warning on "use_menhir" tag #6502

vicuna opened this issue Jul 29, 2014 · 1 comment

spurious warning on "use_menhir" tag #6502

vicuna opened this issue Jul 29, 2014 · 1 comment


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@vicuna vicuna commented Jul 29, 2014

Original bug ID: 6502
Reporter: @xavierleroy
Assigned to: @gasche
Status: closed (set by @xavierleroy on 2016-12-07T10:34:24Z)
Resolution: fixed
Priority: normal
Severity: tweak
Platform: ARM
OS: Linux
Version: 4.02.0+dev
Target version: 4.02.1+dev
Category: -for ocamlbuild use

Bug description

Having "true: use_menhir" in _tags, I get the following warning:

Warning: the tag "use_menhir" is not used in any flag declaration, so it will have no effect; it may be a typo. Otherwise use mark_tag_used in your to disable this warning.

I believe this warning is spurious, since "use_menhir" does take effect.

Suggested fix, to be confirmed by ocamlbuild experts: in ocamlbuild/, add "use_menhir" to the list "builtin_useful_tags" on line 61.

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@vicuna vicuna commented Aug 6, 2014

Comment author: @gasche

Fixed as suggested.

@vicuna vicuna closed this Dec 7, 2016
@vicuna vicuna added this to the 4.02.1 milestone Mar 14, 2019
@vicuna vicuna added the bug label Mar 20, 2019
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