Re: We need to do something about build times

On 10/24/2023 12:12 PM, Robert Clausecker wrote:
>   - rework Poudriere's rebuild detection to not rebuild every port for
>     every random bullshit thing.  For example, I don't see why ports need
>     to be rebuilt for transitive changes in build dependencies.  E.g. if
>     port A has build depends on port B which build depends on port C, and
>     C is updated, then A has to be rebuilt despite its direct dependencies
>     being unchanged.  This does not appear to be reasonable.

I have this working in a private branch for a few years. Along with 
allowing Rust to build OFF of tmpfs, and avoiding gcc*/llvm*/rust 
building concurrently. It's been hard to find time to work on it and get 
proper testing; there have been a lot of issues identified. I think it's 
stable now, but the subpackages work that went into Poudriere recently 
requires me to rebase my work. It's a few hundred commits in conflict. 
It's so massive I have not figured out how to move forward yet. I need 
to find time for it. If it were up to me I would strip out subpackages 
support because it has no tests, isn't properly supported in Poudriere 
(things needlessly rebuild), had its examples reverted, and has 
community pushback about it. As is once I find time to get my changes 
rebased in I need to add tests and proper support for subpackages.

-- 
Bryan Drewery