warning: unknown warning option '-Wno-deprecated-copy'

[Stephan Witt]

Am 11.10.2020 um 20:55 schrieb Stephan Witt <st.witt at gmx.net>:
> 
> Am 09.10.2020 um 12:18 schrieb Jean-Marc Lasgouttes <lasgouttes at lyx.org>:
>> 
>> [reply on lyx-devel, since this is not something I 100% understand]
>> 
>> Le 08/10/2020 à 09:32, racoon a écrit :
>>> I am getting lots of
>>> warning: unknown warning option '-Wno-deprecated-copy'; did you mean
>>> '-Wno-deprecated'?
>>>      [-Wunknown-warning-option]
>>> I have
>>> % clang --version
>>> Apple clang version 11.0.3 (clang-1103.0.32.62)
>>> I guess this is due to change set 24fb0ff8ef: Use -Wno-deprecated-copy
>>> also with clang++ 11
>>> Am I missing some setting or is there something wrong with the commit?
>> 
>> Hi Daniel,
>> 
>> I think the issue is: are there differences between clang 11 and apple clang 11 ? Or worse, do they have anything in common. I know apple clang numbering used to be ugly, but I thought these days were gone.
>> 
>> So this seems to tell me that apple clang does not handle this warning -Wdeprecated-copy. Do you have warnings when you revert the commit above?
>> 
>> Where do I get the list of warning options in apple clang? All I found is a meager "user guide".
>> 
>> I guess I have to improve autoconf to detect this particular version too.
>> 
>> Did you have warnings with apple clang 10? The warning was already used there.
> 
> Sorry, I cannot answer your questions. But I have the same problem.
> 
> What do you think of the attached patch? It tests the compiler behavior instead of relying on the version.
> 
> With Apple clang on missing -Wno-deprecated-copy support it works.
> 
> Stephan
> <patch.diff>-- 
> lyx-devel mailing list
> lyx-devel at lists.lyx.org
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Oh, that was the wrong patch. The correct one is attached now.

Stephan
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