maintainer-feedback requested: [Bug 255016] devel/boost-libs: fix c++20 concept support

[bugzilla-noreply at freebsd.org]

Bugzilla Automation <bugzilla at FreeBSD.org> has asked FreeBSD Office Team
<office at FreeBSD.org> for maintainer-feedback:
Bug 255016: devel/boost-libs: fix c++20 concept support
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255016



--- Description ---
Untill boost is updated to actual version, backport upstream commit
a707db8193b30b6cc4a3d10ee946f7f245e07097 which fixes c++20 concepts support
which fixes errors like 


    async_result.hpp: error: concept cannot have associated constraints

This is required for games/wyrmgus update