nixpkgs/pkgs/development/tools/misc/ltrace/default.nix

{ lib, stdenv, fetchurl, elfutils, libunwind }:

stdenv.mkDerivation rec {
  pname = "ltrace";
  version = "0.7.3";

  src = fetchurl {
    url = "mirror://debian/pool/main/l/${pname}/${pname}_${version}.orig.tar.bz2";
    sha256 = "00wmbdghqbz6x95m1mcdd3wd46l6hgcr4wggdp049dbifh3qqvqf";
  };

  buildInputs = [ elfutils libunwind ];

  prePatch = let
      debian = fetchurl {
        url = "mirror://debian/pool/main/l/ltrace/ltrace_0.7.3-6.debian.tar.xz";
        sha256 = "0xc4pfd8qw53crvdxr29iwl8na53zmknca082kziwpvlzsick4kp";
      };
    in ''
      tar xf '${debian}'
      patches="$patches $(cat debian/patches/series | sed 's|^|debian/patches/|')"
    '';

  meta = with lib; {
    description = "Library call tracer";
    homepage = "https://www.ltrace.org/";
    platforms = [ "i686-linux" "x86_64-linux" ];
    license = licenses.gpl2;
  };
}