ppl: fix build with clang 16

    sha256 = "1zj90hm25pkgvk4jlkfzh18ak9b98217gbidl3731fdccbw6hr87";

  })];

  postPatch = lib.optionalString stdenv.cc.isClang ''

    substituteInPlace src/PIP_Tree.cc \

      --replace "std::auto_ptr" "std::unique_ptr"

    substituteInPlace src/Powerset_inlines.hh src/Pointset_Powerset_inlines.hh \

      --replace "std::mem_fun_ref" "std::mem_fn"

  '';

  nativeBuildInputs = [ perl gnum4 ];

  propagatedBuildInputs = [ gmpxx ];