python3Packages.dm-tree: cleanup (#393216)

pkgs/development/python-modules/dm-tree/0003-don-t-configure-apple.patch

···
-diff --git a/tree/CMakeLists.txt b/tree/CMakeLists.txt
-index 4fd1b1a..2d1d9d3 100644
---- a/tree/CMakeLists.txt
-+++ b/tree/CMakeLists.txt
-@@ -40,16 +40,6 @@ if (NOT (WIN32 OR MSVC))
-   endif()
- endif()
- 
--if(APPLE)
--  # On MacOS:
--  #   -undefined dynamic_lookup is necessary for pybind11 linking
--  set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-everything -w -undefined dynamic_lookup")
--
--  # On MacOS, we need this so that CMake will use the right Python if the user
--  # has a virtual environment active
--  set (CMAKE_FIND_FRAMEWORK LAST)
--endif()
--
- # Fetch pybind to be able to use pybind11_add_module symbol.
- set(PYBIND_VER v2.10.1)
- include(FetchContent)

pkgs/development/python-modules/dm-tree/default.nix

···
     tag = version;
     hash = "sha256-cHuaqA89r90TCPVHNP7B1cfK+WxqmfTXndJ/dRdmM24=";
   };
-
   # Allows to forward cmake args through the conventional `cmakeFlags`
   postPatch = ''
     substituteInPlace setup.py \
       --replace-fail \
         "cmake_args = [" \
         'cmake_args = [ *os.environ.get("cmakeFlags", "").split(),'
+    substituteInPlace tree/CMakeLists.txt \
+      --replace-fail \
+        "CMAKE_CXX_STANDARD 14" \
+        "CMAKE_CXX_STANDARD 17"
   '';
   cmakeFlags = [
     (lib.cmakeBool "USE_SYSTEM_ABSEIL" true)

pkgs/top-level/python-packages.nix

···
   dm-sonnet = callPackage ../development/python-modules/dm-sonnet { };
 
   dm-tree = callPackage ../development/python-modules/dm-tree {
-    abseil-cpp = pkgs.abseil-cpp.override { cxxStandard = "14"; };
+    inherit (pkgs) abseil-cpp;
   };
 
   dmenu-python = callPackage ../development/python-modules/dmenu { };