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Subject: Re: [boost] [thread] Integration with Chrono and DateTime (was: [release][1.52] Release Notes)
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2012-10-13 08:06:17

Le 13/10/12 08:22, Andrey Semashev a écrit :
> On Oct 13, 2012 2:02 AM, "Vicente J. Botet Escriba" <
> vicente.botet_at_[hidden]> wrote:
>> Note that Boost.Chrono could be configured as a header only library.
> AFAIR, it's not the default, so most if not all distributions include it as
> a binary.
You are right and now that I the dependency to Boost.System is also
header only I'm thinking to change the default.
> Is the header-only version equivalent to the compiled one?
I will say yes.
>> BTW, Boost.Thread depends also on Boost.System. Do you avoid already this
> dependency?
> No, Boost.System is also used by Boost.Filesystem and Boost.ASIO, which I
> also use. And I probably catch and throw Boost.System exceptions somewhere
> in my code as well.
This is also the case for Boost.Thread so the dependency to the binary
is unavoidable for now.
>>>> Me too, I want to limit dependencies :)
>>> Fair enough. Perhaps, we could absract away Boost.Thread from both
>>> libraries? Seems like a logical solution for a case like this.
>>> For example, Boost.Thread could define an internal interface for
>>> integrating with time units from different libraries. Chrono and DateTime
>>> would support this interface, and Boost.Thread could also provide the
>>> necessary glue for std::chrono integration. I think, Boost.Thread could
> use
>>> its own time units internally and use ADL-found functions to convert from
>>> other time units. Boost.Thread will not depend on either timing library
>>> then. Does this look viable?
>> This could be possible but this is not a priority for me, if you want to
> provide a patch I will integrate it if the design is simplified, but I
> don't see how you could provide the time related function with the
> Boost.Chrono interface in this case.
> Ok, I will create a Trac ticket then and see what I can do.

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