Deprecating bind_handler and bind_front_handler in favor of Asio's append and prepend adapters about beast HOT 7 CLOSED

Please note that the ASIO master has been updated to remove the bind_handler hooks so Beast is currently broken and not able to build out-of-the-box:

beast\core\detail\bind_handler.hpp(18,10): fatal  error C1083: Cannot open include file: 'boost/asio/handler_alloc_hook.hpp': No such file or directory

Removed in this ASIO commit which got merged to master here.

Beast is broken in the Boost master branch because of this.

from beast.

@owacoder I believe we have already addressed this by merging this pr into the master: #2757
Are you experiencing any issues when using the code in the master branch?

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@ashtum Yes, I have git submodules set up to track and update to the parent Boost master. The submodule is never modified other than pulling updates:

git submodule update --init -- recursive
git submodule update --remote

And then build with Boost.Build.

This past week when updating I received the error above with Beast.

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@owacoder, I've re-run the CI, and it built successfully. Please ensure that the latest commit in Boost.Beast master branch is 49ec654.

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@ashtum I've rebuilt from a fresh repository (our code and Boost) and the behavior is still present. I've also double-checked that the master branch commit is indeed 49ec654.

It does appear that bind_handler.hpp is correct in Beast master but doesn't seem to be updated in Boost master? Not sure what's happening, it could be an issue in our repository... I'll keep checking.

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@ashtum - Looks like it was a detached submodule issue, false alarm. Sorry for the confusion! Causing all submodules to recursively track as well as the parents fixed the issue. If someone else has the same issue I suppose the comments here may help.

from beast.

@ashtum - Looks like it was a detached submodule issue, false alarm. Sorry for the confusion!

No problem, thank you for reporting this in the first place.

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