$include_dir="/home/hyper-archives/boost-users/include"; include("$include_dir/msg-header.inc") ?>
From: David P. Riedel (driedel_at_[hidden])
Date: 2020-03-23 17:25:28
That should do it.
I changed my user-config.jam as described, changed to the test directory 
in libs/beast and ran b2 -a
Dave
On 3/23/20 12:57 PM, Richard Hodges wrote:
>
>
> On Mon, 23 Mar 2020 at 17:09, David P. Riedel via Boost-users 
> <boost-users_at_[hidden] <mailto:boost-users_at_[hidden]>> wrote:
>
>     Hi
>      ...
>
>     Are beast and asio not concepts ready? Or am I missing something?  Is
>     there some flag I need to set?
>
>
>     My set up:
>
>     boost: 1.72
>     gcc: 9.3
>
>
>     I added -std=c++2a -fconcepts  to compile flags in my user-config.jam
>     file to enable compiler concepts support.
>
>
> Are these the only criteria to reproduce the problem, or is there 
> something else I should know about the setup prior to investigating?
>
>     I have no problems using these compiler flags with other non-boost
>     code.
>
>
>     Thanks
>
>
>     _______________________________________________
>     Boost-users mailing list
>     Boost-users_at_[hidden] <mailto:Boost-users_at_[hidden]>
>     https://listarchives.boost.org/mailman/listinfo.cgi/boost-users
>
>
>
> -- 
> Richard Hodges
> hodges.r_at_[hidden] <mailto:hodges.r_at_[hidden]>
> office: +442032898513
> home: +376841522
> mobile: +376380212
>