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The setup.py of `python-package` contains some path resolution magic to find `libxgboost.so` which is needed for the python API. Unfortunately the code is incompatible with Nix as it isn't compatible with the store-based structure for each package and tries to express the location of the shared object with relative paths. The detection in `setup.py` and `xgboost/libpath.py` has been either removed entirely or patched to link to the proper store path of the `libxgboost` build input. See https://hydra.nixos.org/build/77702715 for further reference.
Nixpkgs is a collection of packages for the Nix package manager. It is periodically built and tested by the Hydra build daemon as so-called channels. To get channel information via git, add nixpkgs-channels as a remote:
% git remote add channels git://github.com/NixOS/nixpkgs-channels.git
For stability and maximum binary package support, it is recommended to maintain
custom changes on top of one of the channels, e.g. nixos-18.03 for the latest
release and nixos-unstable for the latest successful build of master:
% git remote update channels
% git rebase channels/nixos-18.03
For pull-requests, please rebase onto nixpkgs master.
NixOS Linux distribution source code is located inside
nixos/ folder.
- NixOS installation instructions
- Documentation (Nix Expression Language chapter)
- Manual (How to write packages for Nix)
- Manual (NixOS)
- Community maintained wiki
- Continuous package builds for unstable/master
- Continuous package builds for 18.03 release
- Tests for unstable/master
- Tests for 18.03 release
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