pkgs/development/libraries/eigen/default.nix

   1 { lib
   2 , stdenv
   3 , fetchFromGitLab
   4 , fetchpatch
   5 , cmake
   6 }:
   7
   8 stdenv.mkDerivation rec {
   9   pname = "eigen";
  10   version = "3.4.0";
  11
  12   src = fetchFromGitLab {
  13     owner = "libeigen";
  14     repo = pname;
  15     rev = version;
  16     hash = "sha256-1/4xMetKMDOgZgzz3WMxfHUEpmdAm52RqZvz6i0mLEw=";
  17   };
  18
  19   patches = [
  20     ./include-dir.patch
  21
  22     # Fixes e.g. onnxruntime on aarch64-darwin:
  23     # https://hydra.nixos.org/build/248915128/nixlog/1,
  24     # originally suggested in https://github.com/NixOS/nixpkgs/pull/258392.
  25     #
  26     # The patch is from
  27     # ["Fix vectorized reductions for Eigen::half"](https://gitlab.com/libeigen/eigen/-/merge_requests/699)
  28     # which is two years old,
  29     # but Eigen hasn't had a release in two years either:
  30     # https://gitlab.com/libeigen/eigen/-/issues/2699.
  31     (fetchpatch {
  32       url = "https://gitlab.com/libeigen/eigen/-/commit/d0e3791b1a0e2db9edd5f1d1befdb2ac5a40efe0.patch";
  33       hash = "sha256-8qiNpuYehnoiGiqy0c3Mcb45pwrmc6W4rzCxoLDSvj0=";
  34     })
  35   ];
  36
  37   nativeBuildInputs = [ cmake ];
  38
  39   meta = with lib; {
  40     homepage = "https://eigen.tuxfamily.org";
  41     description = "C++ template library for linear algebra: vectors, matrices, and related algorithms";
  42     license = licenses.lgpl3Plus;
  43     maintainers = with maintainers; [ sander raskin ];
  44     platforms = platforms.unix;
  45   };
  46 }