On 13.04.2017 10:33, Savolainen, Petri (Nokia - FI/Espoo) wrote:
> 
> 
>> -----Original Message-----
>> From: Dmitry Eremin-Solenikov [mailto:[email protected]]
>> Sent: Wednesday, April 12, 2017 3:11 PM
>> To: Savolainen, Petri (Nokia - FI/Espoo) <petri.savolainen@nokia-bell-
>> labs.com>; [email protected]
>> Subject: Re: [lng-odp] [API-NEXT PATCH v2 0/4] Deprecated macros
>>
>> On 12.04.2017 14:50, Savolainen, Petri (Nokia - FI/Espoo) wrote:
>>>
>>>
>>>> -----Original Message-----
>>>> From: Dmitry Eremin-Solenikov
>> [mailto:[email protected]]
>>>> Sent: Wednesday, April 12, 2017 2:32 PM
>>>> To: Petri Savolainen <[email protected]>; lng-
>>>> [email protected]
>>>> Subject: Re: [lng-odp] [API-NEXT PATCH v2 0/4] Deprecated macros
>>>>
>>>> On 30.03.2017 16:58, Petri Savolainen wrote:
>>>>> Replaced ODP_DEPRECATED macro (which was based on GCC __attribute__)
>>>> with
>>>>> compiler independent mechanism to control if deprecated API
>> definitions
>>>> are
>>>>> visible to the application. ODP_DEPRECATED_API can be used both in
>>>> application
>>>>> and implementation to check if deprecated APIs are enabled. By default
>>>> those are
>>>>> disabled. Implementation may optimize the normal (new API) code path.
>>>>>
>>>>> ODP_DEPRECATE() macro is used to rename definitions, so that data
>>>> structure
>>>>> sizes are equal on both options. This enables implementation to serve
>>>> both
>>>>> options with a single library (if it wishes to do so).
>>>>
>>>> My main question remains as it was before: is it possible for the
>>>> distribution to supply (unoptimized) ODP binary and headers and then
>> for
>>>> the application to select if it builds with or without deprecated API
>>>> using that binary/headers?
>>>
>>>
>>> Yes. This patch set keeps the same struct fields/etc for both modes -
>> only the names are scrambled (with __deprecated_ prefix) when deprecated
>> APIs are not supported (the default).
>>
>> If so. Consider I have built and installed ODP headers & binary built
>> with --enable-deprecated-api.
> 
> So, you have built and installed the implementation with 
> --enable-deprecated-api. This means that applications using this install, see 
> deprecated APIs. A distribution decides which way it supports ODP, with or 
> without deprecated stuff. The default in our (odp-linux) configure is 
> without, to minimize confusion and promote the new API definitions which 
> should be always better for application than the old ones.
> 

I was advocating for binary distributions and developers using packages
from those distributions. And for those distributions providing _single_
binary version of ODP.


-- 
With best wishes
Dmitry

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