Try making BUILDDIR configurable

Author: Tinche

Justfile

@@ -17,10 +17,10 @@ bench-cmp:
 bench:
 	uv run pytest bench --benchmark-save base
 
-docs: ## generate Sphinx HTML documentation, including API docs
-	make -C docs clean
-	make -C docs doctest
-	make -C docs html
+docs output_dir="_build": ## generate Sphinx HTML documentation, including API docs
+	make -C docs -e BUILDDIR={{output_dir}} clean
+	make -C docs -e BUILDDIR={{output_dir}} doctest
+	make -C docs -e BUILDDIR={{output_dir}} html
 
 htmllive: docs ## compile the docs watching for changes
 	make -C docs htmllive