add nix flake #11781
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add nix flake #11781
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Pull request overview
This PR adds comprehensive Nix flake support to libfabric, enabling reproducible builds, development environments, and CI workflows. The implementation provides a modern development and build infrastructure using Nix with support for multiple platforms and cross-compilation.
Key changes:
- Adds Nix flake configuration with development shells for all providers and HMEM types
- Implements cross-compilation support from Darwin to Linux targets (aarch64 and x86_64)
- Adds GitHub Actions CI workflow for automated building and testing using Nix
Reviewed changes
Copilot reviewed 9 out of 11 changed files in this pull request and generated 9 comments.
Show a summary per file
| File | Description |
|---|---|
| flake.nix | Main flake configuration defining packages, development shells, and cross-compilation targets |
| flake.lock | Lock file pinning specific versions of flake dependencies |
| contrib/nix/lib/default.nix | Reusable library functions for packaging and cross-compilation |
| contrib/nix/pkgs/libfabric/default.nix | Nix package definition for libfabric with configurable providers and HMEM support |
| contrib/nix/pkgs/libcxi/default.nix | Package definition for libcxi (HPE Cassini/Slingshot library) |
| contrib/nix/pkgs/xpmem/default.nix | Package definition for XPMEM userspace library |
| contrib/nix/pkgs/cassini-headers/default.nix | Package definition for HPE Cassini hardware headers |
| contrib/nix/pkgs/cxi-driver-headers/default.nix | Package definition for CXI driver UAPI headers |
| contrib/nix/pkgs/accel-config/default.nix | Package definition for Intel DSA/IAA accelerator configuration utility |
| .github/workflows/nix.yml | GitHub Actions workflow for building and testing with Nix |
| .gitignore | Adds Nix-specific ignore patterns for build artifacts |
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Signed-off-by: Nicholas Sielicki <[email protected]>
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add a nix flake for development shells and ci, with the goal of:
see https://nixos.org/ for details on nix