Re: [Boost-users] Boost Log without ASIO or OpenSSL

Subject: Re: [Boost-users] Boost Log without ASIO or OpenSSL
From: Richard Hodges (hodges.r_at_[hidden])
Date: 2019-03-11 08:38:14

See the following complete program. No dependency on ASIO or SSL:

https://coliru.stacked-crooked.com/a/5f8e619db6afdd41

On Mon, 11 Mar 2019 at 14:51, james <dirtydroog_at_[hidden]> wrote:

>
>
> On Sunday, March 10, 2019, Richard Hodges <hodges.r_at_[hidden]> wrote:
>
>>
>>
>> On Sun, 10 Mar 2019 at 15:40, james <dirtydroog_at_[hidden]> wrote:
>>
>>>
>>>
>>> On Sunday, March 10, 2019, Richard Hodges via Boost-users <
>>> boost-users_at_[hidden]> wrote:
>>>
>>>> AFAIR boost.log does not depend on boost.asio at all.
>>>>
>>>
>>> It appears it does:
>>>
>>> https://stackoverflow.com/questions/39948997/use-of-boost-log-and-boost-asio-causes-a-crash
>>>
>>
>> With respect, the linked question seems to be about a crash when
>> combining boost.log and boost.asio with each from different versions of
>> boost . This is unsurprising since both libraries will depend on boost.core.
>>
>> I am very sure that boost.log has no direct dependency on boost.asio. I
>> use these libraries a lot.
>>
>> R
>>
>
> If you followed the links to
> https://stackoverflow.com/questions/35225234/linking-libboost-log-so-makes-boostasioio-servicerun-exit-immediately/35241050#35241050,
> there is
>
>
> "Boost.Log does indeed use Boost.ASIO to implement some of its features
> (network-based syslog sink, in particular). Boost.ASIO marks its symbols as
> externally visible, so they are exported from Boost.Log shared object."
>
> Note that the crashing code does not use network based syslog. Boost.log
> may not intend to always have a dependency on boost.asio, but it appears it
> does.
>
>
>>
>>
>>
>>>
>>>
>>>>
>>>>
>>>> boost.asio optionally depends on OpenSSL if you use the ssl stream or
>>>> context types, and not otherwise.
>>>>
>>>> R
>>>>
>>>
>>>> On Sun, 10 Mar 2019 at 04:52, Macumber, Daniel via Boost-users <
>>>> boost-users_at_[hidden]> wrote:
>>>>
>>>>> Hello, I am using Boost Log but not using any of the ASIO related
>>>>> functionality (that I know of).  It seems that Boost ASIO depends on
>>>>> OpenSSL which is giving me some problems.  Is there any way to either:
>>>>>
>>>>> * use Boost Log without ASIO
>>>>> * use Boost ASIO without OpenSSL
>>>>>
>>>>> Thanks a lot,
>>>>> Dan
>>>>> _______________________________________________
>>>>> Boost-users mailing list
>>>>> Boost-users_at_[hidden]
>>>>> https://lists.boost.org/mailman/listinfo.cgi/boost-users
>>>>>
>>>>
>>>>
>>>> --
>>>> Richard Hodges
>>>> hodges.r_at_[hidden]
>>>>
>>>>
>>>>
>>
>> --
>> Richard Hodges
>> hodges.r_at_[hidden]
>>
>>

-- 
Richard Hodges
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