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

[Daniel]

On 2020-10-09 12:18, Jean-Marc Lasgouttes wrote:
> [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.
> 
> JMarc

Hi JMarc,

In case I have managed to correctly revert a change (first time), it did 
not make any difference to the warning. I am not sure which change 
triggered it then. Or maybe I need to update/change something else for 
it to take effect?

Daniel