cybertron: add gflags init support in mainboard

framework/BUILD

@@ -19,7 +19,8 @@ cc_library(
     ],
     deps = [
         ":cybertron_common",
-        "@glog//:glog"
+        "@glog//:glog",
+        "//external:gflags",
     ]
 )
 

framework/CMakeLists.txt

@@ -50,7 +50,8 @@ file(GLOB CYBERTRON_SRCS
   "cybertron/croutine/context/*.cpp"
   "cybertron/event/*.cpp"
   "cybertron/croutine/system/system_hook.cpp"
-  "cybertron/mainboard/*.cpp"
+  "cybertron/mainboard/module_argument.cpp"
+  "cybertron/mainboard/module_controller.cpp"
   "cybertron/message/*.cpp"
 )
 
@@ -72,6 +73,7 @@ target_link_libraries(cybertron
   fastcdr
   -lrt
   glog
+  gflags
   PocoFoundation
   -Wl,--no-undefined
   atomic

framework/cybertron/conf/cybertron.pb.conf

 log_conf {
-    log_dir: "log"
+    log_dir: "/apollo/data/log"
     log_to_stderr: true
     # DEBUG INFO WARNING ERROR FATAL
     min_log_level: INFO

framework/cybertron/mainboard/CMakeLists.txt

@@ -2,8 +2,6 @@ project(mainboard)
 
 add_executable(mainboard
   mainboard.cpp
-  module_argument.cpp
-  module_controller.cpp
 )
 
 target_link_libraries(mainboard -pthread cybertron)

framework/cybertron/mainboard/mainboard.cpp

@@ -21,6 +21,7 @@
 #include "cybertron/init.h"
 #include "cybertron/mainboard/module_argument.h"
 #include "cybertron/mainboard/module_controller.h"
+#include "gflags/gflags.h"
 
 using apollo::cybertron::common::WorkRoot;
 using apollo::cybertron::common::GetAbsolutePath;
@@ -32,6 +33,7 @@ using apollo::cybertron::mainboard::ModuleController;
 int main(int argc, char** argv) {
   // Initialize cybertron internal static objects
   apollo::cybertron::Init(argv[0]);
+  google::SetUsageMessage("This program used for load dag and run user apps.");
 
   // parser the argument
   ModuleArgument module_args;