superlu: use generic blas vendor on all platforms

  cmakeFlags = [

    (lib.cmakeBool "BUILD_SHARED_LIBS" true)

    (lib.cmakeBool "enable_fortran" true)

  ]

  ++ lib.optionals stdenv.hostPlatform.isDarwin [

    # prevent cmake from using Accelerate, which causes tests to segfault

    # https://github.com/xiaoyeli/superlu/issues/155

    "-DBLA_VENDOR=Generic"

    (lib.cmakeFeature "BLA_VENDOR" "Generic")

  ];

  doCheck = true;