Re: Header-only Boost.System

From: Ashish Singh (singh.ashish6_at_[hidden])
Date: 2021-10-25 18:11:49

 >Do you have to use Boost 1.66? System is header-only in Boost 1.69 and later.
For the time being, yes. The update is not planned yet.

Is there a workaround that can be used in Boost 1.66 to achieve that?Or are there any consequences with the following approach that I'm thinking to use? :
> -DBOOST_ERROR_CODE_HEADER_ONLY \
> -DBOOST_SYSTEM_NO_DEPRECATED
Thanks,Ashish

    On Monday, 25 October, 2021, 11:24:15 pm IST, Peter Dimov via Boost <boost_at_[hidden]> wrote:  
 
 Ashish Singh wrote:
> Hi All,
> 
> In my application, I'm trying to use Boost ASIO via boost 1.66 and defining the
> following two macros in the Makefile. Basically trying to use the header-only
> approach.
> 
> CFLAGS += \
> -DBOOST_ERROR_CODE_HEADER_ONLY \
> -DBOOST_SYSTEM_NO_DEPRECATED
> But then I came across this thread:
> https://lists.boost.org/Archives/boost/2017/10/239106.php
> "In header only mode, multiple instances may appear and thus no longer be
> proper singletons. Stuff breaks in this situation, badly."
> Is the above applicable to 1.66 too?How can I safely use the header-only
> approach in boost 1.66?

Do you have to use Boost 1.66? System is header-only in Boost 1.69 and later.

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