this post was submitted on 18 Aug 2023
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It seems it was done to marginally improve serde_derive build times? And just on x86_64-unknown-linux-gnu?
It feels a pretty weird course of action, even if I can understand his point of view his official stance of "My way or the highway" seems a bit stronger than needed, especially considering the amount of problems - both moral and pratical - this modification arises.
I don't know. If he really feel so strongly about it the only real option would be an hard fork, but a project of that magnitudo and so integrated in the ecosystem is really not easy to both manage or substitute.
Overall it kind of leave a sour taste, even if - I repeat - I understand it is his time and his decision to make.
Indeed. If you use nix instead of compiling in 8 seconds it fails to compile almost instantly.
The same feature is planned for Windows and MacOS. https://github.com/serde-rs/serde/pull/2523#pullrequestreview-1583726636
The build time improvements are so marginal in a production environment where hundreds of crates are built. This decision demonstrates a strange inversion of priorities and smells of premature optimization to me. It's so odd to see even further optimizations building on this "serde helper process" pattern.