suppress non-pickleable functions warning

cmake_modules/trike/README.rst

@@ -133,6 +133,19 @@ The macro will now be referencable as ``ASSERT(condition...)`` (Lookup of
 be unchanged. In order to be recognized, the explicit directive must be the
 first line of the ``///``, and there must be no space in the prefix ``///..``
 
+Alternatively, you might want to hide a
+`CRTP <https://en.cppreference.com/w/cpp/language/crtp>`_
+base class from documentation:
+
+.. code-block:: c++
+
+  ///.. cpp:class:: template <typename T> Stream<T>
+  template <typename T>
+  class Stream<T> : impl::StreamMixin<T>
+
+... that base class doesn't appear in the explicit directive, so sphinx will
+never know about it.
+
 Configuration
 -------------
 

cmake_modules/trike/trike/__init__.py

@@ -649,27 +649,27 @@ def run(self) -> list[Node]:
 
 def setup(app: Sphinx) -> ExtensionMetadata:
     app.add_config_value(
-        "trike_files",
-        [],
-        "env",
-        types=[list[Path]],
+        name="trike_files",
         description="All C++ sources which will be scanned for ///",
+        default=[],
+        rebuild="env",
+        types=[list[Path]],
     )
 
     app.add_config_value(
-        "trike_clang_args",
-        [],
-        "env",
-        types=[list[str], Mapping[Path, str]],
+        name="trike_clang_args",
         description="Arguments which will be passed to clang (or per-file mapping)",
+        default=[],
+        rebuild="env",
+        types=[list[str], Mapping[Path, str]],
     )
 
-    # FIXME an unpickleable value causes the environment to *never* be reloadable
     app.add_config_value(
-        "trike_get_uri",
-        None,
-        "env",
+        name="trike_get_uri",
         description="A mapping from scanned C++ source to uri",
+        default=None,
+        rebuild="",
+        # really this should be rebuild="env", but functions are not pickleable
     )
 
     app.connect("builder-inited", _builder_inited)

sphinx_configuration/conf.py

@@ -72,7 +72,6 @@
     "sphinx": ("https://www.sphinx-doc.org/en/master/usage/%s", None),
 }
 
-# TODO get trike files from cmake
 trike_files = [
     *maud.cache.CMAKE_SOURCE_DIR.glob("*.cxx"),
     *maud.cache.CMAKE_SOURCE_DIR.glob("cmake_modules/*.cxx"),