Remove Boost.StaticAssert submodule

@pdimov

Since Boost.StaticAssert has been merged into Boost.Config, this submodule can be removed once all Boost libraries have removed references to it. For tracking purposes, here is the list of the relevant PRs:

Once these PRs are merged and propagate to master, I propose to add a release note for the next Boost release to notify users that the submodule is deprecated and will soon be removed. Then, after 3 Boost releases, actually remove the submodule.

CC @pdimov

No, I don't think we should remove it. This will break way too much stuff.

@pdimov

@pdimov Could you please merge PRs for other libraries, at least the unmaintained and widely used ones? Assign, CircularBuffer, ConceptCheck, Config, Contract, Compute, MPL, PropertyMap, Proto, Range, TypeOf, Variant seem to be ready for merge, and other libraries may be enabled by these (especially, ConceptCheck and MPL).

I've added you to the community maintenance team, which should give you access to some of these.

Thanks. I've merged what I could, the rest are still out of my reach.

You'll need to merge to master as well, because I'm getting https://github.com/boostorg/circular_buffer/actions/runs/21631032975/job/62343535609

I've merged to master.

Could you please merge PRs for Accumulators, Algorithm, Chrono, Contract, DateTime, FunctionTypes, MultiArray, PropertyTree, Thread, Variant, Xpressive? I'm not sure if Range and Serialization are actively maintained, so maybe those too.

Variant should be actively maintained, but I'll handle the rest.

@mclow

I've merged Accumulators, Chrono, FunctionTypes, Xpressive. Algorithm seems maintained by @mclow.

It takes longer than expected because I use this opportunity to fix or add CI.

Contract, DateTime merged as well; CI seems up to date there.

I've given you write access to MultiArray because it seems unmaintained and I see you have a pending PR there.

Gave you access to PropertyTree as well.

And Thread while we're at it.

Thanks, I've merged MultiArray, PropertyTree and Thread. Is there anything else you think you could merge?

The remaining ones from your list above are Variant, Range, Serialization, and all have active maintainers if I'm not mistaken.

I listed the PRs for libraries that I considered low-level and not actively maintained. At this point, the unmerged PRs are:

Remove dependencies on Boost.StaticAssert compute#898 - no CI, and seems unmaintained. Latest commits are you merging PRs. Maybe you could handle it as well?
Remove dependencies on Boost.StaticAssert geometry#1447 - CI green. There are active maintainers, although not very responsive.
Remove dependencies on Boost.StaticAssert graph#450 - CI green. There seem to be active maintainers.
Remove dependencies on Boost.StaticAssert graph_parallel#45 - CI failures unrelated. Seems, you did some maintenance there recently.
Remove dependencies on Boost.StaticAssert histogram#419 - CI green, actively maintained, although not very responsive.
Remove dependencies on Boost.StaticAssert icl#52 - CI green, actively maintained.
Remove dependencies on Boost.StaticAssert mpi#177 - No CI, actively maintained, although not very responsive.
Remove dependencies on Boost.StaticAssert mqtt5#46 - CI failures seem unrelated, actively maintained.
Remove dependencies on Boost.StaticAssert python#509 - CI green, actively maintained.
Remove dependencies on Boost.StaticAssert range#162 - No CI. Latest commit is you merging a PR, and before that from Neil Groves and Rene Rivera from April 2025. There are 36 issues and 18 PRs, including mine, so not quite actively maintained.
Remove dependencies on Boost.StaticAssert redis#386 - CI is failing because of Range and Test, although there are also some unrelated errors. Actively maintained.
Remove dependencies on Boost.StaticAssert regex#269 - CI green, actively maintained, although not very responsive.
Remove dependencies on Boost.StaticAssert serialization#340 - CI failures unrelated. Latest commits are from Robert Ramey from August 2024, there are 60 issues and 11 PRs, so not quite actively maintained.
Remove dependencies on Boost.StaticAssert stacktrace#223 - CI green, actively maintained.
Remove dependencies on Boost.StaticAssert test#474 - CI is failing because of Range, actively maintained.
Remove dependencies on Boost.StaticAssert ublas#198 - CI is mostly non-functional, green where it runs. Latest commit is from you from 2023, so not actively maintained.
Remove dependencies on Boost.StaticAssert units#66 - No CI. Latest commit is from Rene Rivera in May 2025 and the next one is from 2021. There are 17 issues and 17 PRs. Not actively maintained.
Remove dependencies on Boost.StaticAssert variant#115 - CI green, actively maintained.
Remove dependencies on Boost.StaticAssert wave#245 - CI green where it runs, actively maintained, although not very responsive.
Remove dependencies on Boost.StaticAssert boost-ci#313 - CI is failing because Align hasn't been merged to master, actively maintained.

[*] In the above, I'm not considering Drone CI as it is inaccessible in my region and right now I can't view it.

If my analysis is correct, it is worth looking at Compute, GraphParallel, Range, Serialization, UBLAS, Units.

This repo can be archived?

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Remove Boost.StaticAssert submodule #19

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Remove Boost.StaticAssert submodule #19

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pdimov commented on Jan 22, 2026

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