use PyDoc_STRVAR macro, so its possible to build without docstrings.

source/blender/python/intern/bpy_library.c

@@ -163,7 +163,7 @@ static PyTypeObject bpy_lib_Type= {
 	NULL
 };
 
-static char bpy_lib_load_doc[] =
+PyDoc_STRVAR(bpy_lib_load_doc,
 ".. method:: load(filepath, link=False, relative=False)\n"
 "\n"
 "   Returns a context manager which exposes 2 library objects on entering.\n"
@@ -175,7 +175,7 @@ static char bpy_lib_load_doc[] =
 "   :type link: bool\n"
 "   :arg relative: When True the path is stored relative to the open blend file.\n"
 "   :type relative: bool\n"
-;
+);
 static PyObject *bpy_lib_load(PyObject *UNUSED(self), PyObject *args, PyObject *kwds)
 {
 	static const char *kwlist[]= {"filepath", "link", "relative", NULL};