# Nixpkgs Stdenv Team Meeting (2025-03-20)
Goals:
- Meet & greet
- Determine overall plan (+ 25.05)
- Highlight work done since Oct
Topics:
- lib.systems toolchain attributes
- Team specific Hydra
- More contributors/reviewers
## Attendees
- @philiptaron
- @RossComputerGuy
## Notes
### Overall Plan
1. Structured attrs works everywhere
- Page size compatibility system feature can benefit this
- Non-bash builder support?
- Non shell builder possible
2. General compiler upgrades
- GCC upgrades
- LLVM upgrade after 25.05
- Keep behind upstream stable release by 1
3. lib.systems toolchain [#365057](https://github.com/NixOS/nixpkgs/pull/365057)
- Good start on things, will evolve with more PR's.
- Follow up
- lib.systems CPU model
- Drop `gcc` attribute
- Better non-GCC support
- Easier to use
- stdenv bootstrap
- Split bootstrap tarball into "core tools" and toolchain components
- Ad-hoc toolchain swapping
- pkgsLLVM bootstrapping
- Nixpkgs bootstrapping from Nix itself? (@philiptaron)
### Highlights
- Dangling symlink hook
- Dedicated Hydra to determine breakage