trivionomicon/pkgs/intel-decimalfp/default.nix


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{
  fetchzip,
  lib,
  stdenv,
}: let
  version = "20U3";
in
  stdenv.mkDerivation {
    pname = "intel-decimalfp";
    inherit version;

    src = fetchzip {
      url = "https://www.netlib.org/misc/intel/IntelRDFPMathLib${version}.tar.gz";
      hash = "sha256-m+Yp1IwVEEZIz+cMQXHhkQrrWeRDfIk9ey7nWvV+u44=";
      stripRoot = false;
    };

    sourceRoot = "source/LIBRARY";

    makeFlags = [
      "OBJ_DIR=$(out)/lib"
      "LIB_DIR=$(out)/lib"
    ];

    preBuild = ''
      mkdir -p $out/lib
      touch $out/lib/.directory_exists
    '';

    postBuild = ''
      rm $out/lib/.directory_exists
    '';

    installPhase = ''
      runHook preInstall

      rm -f $out/lib/*.o

      runHook postInstall
    '';
  }