heaptrack: support darwin

{

  lib, mkDerivation, fetchFromGitHub, cmake, extra-cmake-modules,

  lib, stdenv, mkDerivation, fetchFromGitHub, cmake, extra-cmake-modules, makeBinaryWrapper,

  zlib, boost179, libunwind, elfutils, sparsehash, zstd,

  qtbase, kio, kitemmodels, threadweaver, kconfigwidgets, kcoreaddons, kdiagram

}:

    owner = "KDE";

    repo = "heaptrack";

    rev = "v${version}";

    sha256 = "sha256-pP+s60ERnmOctYTe/vezCg0VYzziApNY0QaF3aTccZU=";

    hash = "sha256-pP+s60ERnmOctYTe/vezCg0VYzziApNY0QaF3aTccZU=";

  };

  nativeBuildInputs = [ cmake extra-cmake-modules ];

  nativeBuildInputs = [ cmake extra-cmake-modules makeBinaryWrapper ];

  buildInputs = [

    zlib boost179 libunwind elfutils sparsehash zstd

    zlib boost179 libunwind sparsehash zstd

    qtbase kio kitemmodels threadweaver kconfigwidgets kcoreaddons kdiagram

  ] ++ lib.optionals stdenv.hostPlatform.isLinux [

    elfutils

  ];

  postInstall = lib.optionalString stdenv.hostPlatform.isDarwin ''

    makeWrapper \

      $out/Applications/KDE/heaptrack_gui.app/Contents/MacOS/heaptrack_gui \

      $out/bin/heaptrack_gui

  '';

  meta = with lib; {

    description = "Heap memory profiler for Linux";

    homepage = "https://github.com/KDE/heaptrack";

    license = licenses.lgpl21Plus;

    mainProgram = "heaptrack_gui";

    maintainers = with maintainers; [ gebner ];

    platforms = platforms.linux;

    platforms = platforms.unix;

  };

}