fix(make): dependency handling:dirs with timestamp

That way, make will not regenerate unnecessarily

src/mako/deps.mako

@@ -7,6 +7,7 @@
 <%
 	import util
 	gen_root = directories.output + '/' + a.name + util.to_api_version(a.version)
+	gen_root_stamp = gen_root + '/.timestamp'
 	api_name = util.library_name(a.name, a.version)
 	api_clean = api_name + '-clean'
 	# source, destination of individual output files
@@ -16,10 +17,11 @@
 	api_json_inputs = api_json + " $(API_SHARED_INFO)"
 	api_info.append((api_name, api_clean, gen_root))
 %>\
-${gen_root}: ${' '.join(i[0] for i in sds)} ${api_json_inputs} $(MAKO_LIB_FILES) $(MAKO_RENDER)
+${gen_root_stamp}: ${' '.join(i[0] for i in sds)} ${api_json_inputs} $(MAKO_LIB_FILES) $(MAKO_RENDER)
 	PYTHONPATH=$(MAKO_LIB_DIR) $(TPL) --template-dir '.' --var OUTPUT_DIR=$@ -io ${' '.join("%s=%s" % (s, d) for s, d in sds)} --data-files ${api_json_inputs}
+	@touch $@
 
-${api_name}: ${gen_root}
+${api_name}: ${gen_root_stamp}
 	
 ${api_clean}:
 	-rm -Rf ${gen_root}

src/mako/lib/util.py

@@ -84,6 +84,8 @@ def to_rust_type(sn, pn, t, allow_optionals=True):
         elif t.type == 'object':
             rust_type = "%s<String, %s>" % (rust_type, nested_type(t))
             is_pod = False
+        elif t.type == 'string' and 'Count' in pn:
+            rust_type = 'i64'
         elif rust_type == USE_FORMAT:
             rust_type = TYPE_MAP[t.format]
         if is_pod and allow_optionals: