Re: [Math] Standalone beta release

From: John Maddock (jz.maddock_at_[hidden])
Date: 2021-05-04 17:02:20

On 04/05/2021 16:19, Jeff Garland via Boost wrote:
> I'm curious how this was done.  Is there still a connection to the
> boost.core that's pulled into the standalone or does it completely remove
> all ties?   If there's a set of issues or pull requests would be curious to
> dig into the details -- because I'd like to do something similar of course.

Effectively we have 2 separate modes:

* With Boost, which pulls in Config and few other core libraries.

* Without any Boost (detected via __has_include see 
https://github.com/boostorg/math/pull/612/files) which assumes a fully 
compliant C++11 compiler.

It's hard to point to a single set of diffs - there was first of all a 
fair bit of work from Matt Borland to remove all traces of C++03 
support.  After that it turns out that there wasn't actually all that 
much left in terms of dependencies.

Some other key PR's:

* Addition of standalone tests: 
https://github.com/boostorg/math/pull/606%c2  (note these actually 
conflicted with root CMake - there are some later fixes for that somewhere).

* Main standalone completion: https://github.com/boostorg/math/pull/597

* Remove core dependencies: https://github.com/boostorg/math/pull/589

* Remove Integer dependencies: https://github.com/boostorg/math/pull/588

* Conditionally remove Config: https://github.com/boostorg/math/pull/583

* Predef removal: https://github.com/boostorg/math/pull/582

* Remove throw_exception dependency: 
https://github.com/boostorg/math/pull/577

* Remove type_traits dependency: https://github.com/boostorg/math/pull/576

* Boost.Assert: https://github.com/boostorg/math/pull/570

* Boost.Range: https://github.com/boostorg/math/pull/569

* Lambda: https://github.com/boostorg/math/pull/568

* smart_ptr: https://github.com/boostorg/math/pull/567

* Boost.Array: https://github.com/boostorg/math/pull/565

* Atomic: https://github.com/boostorg/math/pull/563

* Algorithm: https://github.com/boostorg/math/pull/563

There are others if you care to look, in particular mpl removal took a 
look of PR's on it's own!

Best, John.

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