| 1 Nov 2025 |
 Ihar Hrachyshka | :) I wasn't planning to spend a week babysitting a bisect but yeah sure :D | 17:12:01 |
 emily | I'd expect more like a couple days, but who knows | 17:13:51 |
| emily | Git will at least tell you immediately how many steps it anticipates | 17:14:02 |
| Ihar Hrachyshka | I mean... I hear you, just not what I was planning to spend time on in the next few weeks, but if mozilla folks don't come back with some solution, we'll of course have to do it ourselves. | 17:14:58 |
| emily | the immediate ergonomic solution would be to just get rid of the llvmSharedForBuild stuff in Rust | 17:15:52 |
| emily | but in general | 17:16:35 |
| emily | we will not be able to support what you are doing for too long | 17:16:40 |
| emily | since IIRC Rust only supports the last couple LLVM versions | 17:16:48 |
| emily | of course this will also be a problem for Mozilla… | 17:16:54 |
| Ihar Hrachyshka | they are still on llvm19 | 17:18:14 |
| Ihar Hrachyshka | looking at adopting 20 I think | 17:18:19 |
| Ihar Hrachyshka | fun fact - mozilla dude had to compile 21 himself because they apparently don't release builds of 21 for macos yet? | 17:18:53 |
| emily | I thought they switched to 20 already. | 17:20:39 |
| emily | but are they on an old Rust then? because I'd be surprised if latest Rust supports LLVM 19 | 17:20:51 |
| Ihar Hrachyshka | https://bugzilla.mozilla.org/show_bug.cgi?id=1923255 | 17:23:02 |
| emily | fyi, this is the function: https://searchfox.org/firefox-main/source/image/encoders/png/nsPNGEncoder.cpp#718. I am wondering if something dodgy is going on with alignment here. (perhaps → #mozilla:nixos.org) | 17:23:39 |
| Ihar Hrachyshka | their rust policy: https://github.com/mozilla-firefox/firefox/blob/main/docs/writing-rust-code/update-policy.md | 17:26:08 |
| Ihar Hrachyshka | Firefox 143 Rust 1.86.0 1.82.0
Firefox 144 Rust 1.89.0 ? | 17:27:08 |
| Ihar Hrachyshka | bisect for llvm would be 15 steps if all goes well (I don't know how often I'd need to skip in the process) | 17:35:44 |
| emily | between our 20.x package tag and our 21.x package tag I assume? | 17:51:15 |
| Ihar Hrachyshka | yes. | 17:52:36 |
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| 2 Nov 2025 |
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| 3 Nov 2025 |
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 crop | is there a declarative alternative to cargo install? | 10:15:23 |
 Acid Bong | In reply to @crop_tech:matrix.org
is there a declarative alternative to cargo install? write a recipe with rustPlatform.buildRustPackage and nix build it
except it's not an alternative, it's a Nixpkgs builder exactly for Cargo | 10:21:31 |
