| 29 Jan 2026 |
 dish [Fox/It/She] | are current swift builds using binary bootstrapping, or have I misunderstood you? | 16:51:19 |
| dish [Fox/It/She] | just curious | 16:51:23 |
 Randy Eckenrode | Swift is source-bootstrapped. | 19:08:45 |
| Randy Eckenrode | Swift 5.10 can (more or less) do that out of the box. For Swift 6.2, there is a barely working compiler written in C++ that you can build. | 19:11:40 |
| Randy Eckenrode | For Swift 6.2, I build that then the minimal compiler then the final one. The bootstrapping process has been reworked to be managed in Nix. | 19:12:19 |
 Sergei Zimmerman (xokdvium) | Have there been attempts at having RELR enabled by default on supported systems?
Apparently it has some nice space savings https://maskray.me/blog/2021-10-31-relative-relocations-and-relr | 20:05:30 |
| 30 Jan 2026 |
 Atemu | So, from everything built but gccgo and dependents, it took my 7950x3D ~20min to reach go and I wager most of that was gccgo because a single go compiler takes ~40s | 02:24:39 |
| Atemu | So I think it's safe to say that long compile time for the entire bootstrap chain is unlikely to become an issue | 02:25:31 |
| dish [Fox/It/She] | appreciate the check on that | 04:01:17 |
| dish [Fox/It/She] | glad to confirm its not really an issue | 04:01:23 |
|  zimward changed their display name from zimward to zimward @fosdem. | 16:18:50 |
 aleksi | This could be interesting. Maybe for the non-natively bootstrapped platforms, we could slightly modify the late stages of minimal-bootstrap such that the final gcc is optionally a cross compiler (build=x86_64, host=target=stdenv.buildPlatform) and minimal-bootstrap.*-static would be cross-compiled with it | 19:15:48 |
| 1 Feb 2026 |
|  Fernando Rodrigues changed their display name from SigmaSquadron to Fernando Rodrigues. | 10:41:58 |
| zimward changed their display name from zimward @fosdem to zimward. | 20:36:13 |
| 4 Feb 2026 |
|  tiferrei joined the room. | 02:42:41 |
| tiferrei left the room. | 14:28:34 |
| 5 Feb 2026 |
 Guilherme Lima | Redacted or Malformed Event | 13:39:00 |
| Guilherme Lima | Redacted or Malformed Event | 13:39:41 |
 K900 | The better channel is probably #Nix / NixOS | 13:40:23 |
| K900 | And the answer is there is some delay | 13:40:29 |
| Guilherme Lima | Thanks | 13:40:58 |
| aleksi | There's a PoC bootstrap for aarch64-linux now: https://github.com/NixOS/nixpkgs/pull/487398
To make this work, I had to tell gcc-15 that the host is musl-based. But in fact this breaks building glibc on i686 (but not on x86_64). I think this might be the frankenstein gcc problem? So I guess we need a glibc already built before we build a proper gcc targeting glibc | 21:03:51 |
 Tristan Ross | Awesome, feel free to add me as a reviewer once its ready. | 21:09:34 |
| Tristan Ross | I'd really like to try this out. | 21:09:41 |
