Add make to optional dependencies via pip (doc)

conda/env.yaml

+#{% set pyproject = load_file_data('../pyproject.toml', 'toml', from_recipe_dir=True) %}
+#{% set project = pyproject.get('project', {}) %}
+#{% set deps = project.get('dependencies', {}) %}
+
+#name: {{ project.get('name') }}
 name: bvpy
 channels:
   - conda-forge
   - defaults
 dependencies:
+# - python {{ project.get('requires-python') }}
   - python=3.9
   - python-gmsh=4.11.1
-  - fenics=2019.1.0
\ No newline at end of file
+  - fenics=2019.1.0
+
+#  {% for dep in deps %}
+#  - {{ dep }}
+#  {% endfor %}

pyproject.toml

@@ -39,6 +39,7 @@ doc = [
   "notebook",
   "chardet",
   "recommonmark",
+  "make"
 ]
 test = [
   "pytest",