this post was submitted on 02 Aug 2025
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Nix / NixOS

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NixOS 61: Using non-Nix Python Packages with Binaries on NixOS - YouTube (youtube.com)
submitted 23 hours ago by ruffsl@programming.dev to c/nix@programming.dev
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[–] ruffsl@programming.dev 2 points 23 hours ago

Nix-ld is only used by unpatched executables that use the link loader at /lib or /lib64. If you use for example python from nixpkgs than it will not pick up NIX_LD_LIBRARY_PATH and NIX_LD since these types of binaries are configured to use a glibc from the nix store.

Ah, I guess that's why I've seen folks recommend just having uv install the python interpreter as well, so everything python uses the same link loder from nix-ld.