Thema: nixpkgs (Archive)

Screenshot: Nix build: "illegal path referenced in fixed-output derivation". The part on the top shows all Nix store paths that accidentally landed in the derivation (obtained by "grep")

Fixing “Illegal path references in fixed-output derivation” in Nix

The other day I was working with fixed-output derivations. After copying several files to $out, I was facing a “Illegal path references in fixed-output derivation error”. The only helpful reference on the internet I could find was the Nix source code on GitHub. It took me a while to figure Read more…

By Philipp Schuster, 9 months2024-03-19 ago

Programming & DevOps

How to use `gcc_multi` with a specific GCC version in nixpkgs?

I recently came across the problem that pkgs.gcc_multi comes with gcc in version 12 but I needed version 11. While nixpkgs exports gcc in multiple versions (pkgs.gcc, pkgs.gcc11, pkgs.gcc12, pkgs.gcc13), pkgs.gcc_multi is only exported once, backed with the version coming from pkgs.gcc. However, using another, specific gcc version is fairly Read more…

By Philipp Schuster, 9 months2024-03-18 ago