finish CMakeLists.txt in c++/protobuf

c++/protobuf/CMakeLists.txt

 cmake_minimum_required (VERSION 3.1)
 
-set (CMAKE_CXX_COMPILER "/home/songxinkai/user/local/bin/g++")
 project (test_0)
 
-set(CMAKE_BUILD_TYPE Debug)
+set(CMAKE_BUILD_TYPE Release)
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++11 -g -O0")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --std=c++11 -pthread")
 
-set(protobuf_exec "/home/songxinkai/protobuf-3.11.2/build/bin/protoc")
-set(protobuf_include_dir "/home/songxinkai/protobuf-3.11.2/build")
-set(protobuf_library "/home/songxinkai/protobuf-3.11.2/build/lib/libprotobuf.so")
-
-# set(eden_include "eden.ph.h")
-# set(eden_src "eden.pb.cc")
-
-# add_custom_command(OUTPUT eden_include eden_src
-#             COMMAND "protoc eden.proto --cpp_out=."
-# )
-# 
-# message("=========== ===========")
-# message("${eden_include} ${eden_src}")
-# message("=========== ===========")
+set(protobuf_include_dir "/home/songxinkai/protobuf-3.11.2/src")
+set(protobuf_library "${protobuf_library} /home/songxinkai/protobuf-3.11.2/src/.libs/libprotoc.so")
+set(protobuf_library "${protobuf_library} /home/songxinkai/protobuf-3.11.2/src/.libs/libprotobuf.so")
 
 set(test_src "${PROJECT_SOURCE_DIR}/test_0.cpp")
 set(eden_src "${PROJECT_SOURCE_DIR}/eden.pb.cc")
 
-add_executable(test "${test_src}" "${eden_src}")
+add_executable(test_exec "${test_src}" "${eden_src}" "eden.pb.h")
 include_directories("${protobuf_include_dir}" "${PROJECT_SOURCE_DIR}")
-target_link_libraries(test "${protobuf_library}")
+target_link_libraries(test_exec "/home/songxinkai/protobuf-3.11.2/src/.libs/libprotoc.so" "/home/songxinkai/protobuf-3.11.2/src/.libs/libprotobuf.so" "/home/songxinkai/protobuf-3.11.2/src/.libs/libprotobuf-lite.so")

c++/protobuf/pigs.pt

+count: 1
+speed: 3.3
+sight: 5.5

c++/protobuf/test_0.cpp

 #include <iostream>
-#include "eden.ph.h"
+#include "eden.pb.h"
+#include <fstream>
+#include <sstream>
+#include <string>
+#include "google/protobuf/text_format.h"
 
 using namespace std;
 
 int main(){
+  cout << "Hello!" << endl;
+  eden::pigs Pigs;
+  Pigs.set_count(10);
+  string str;
+  cout << "0" << endl;
+  google::protobuf::TextFormat::PrintToString(Pigs, &str);
+  cout << str << endl;
+
+  // fstream input("../pigs.pt", ios::in | ios::binary);
+  // if (!input) {
+  //   cout << "pigs.pt" << ": File not found.  Creating a new file." << endl;
+  // } else if (!Pigs->ParseFromIstream(&input)) {
+  //   cerr << "Failed to parse pigs." << endl;
+  // }
+ 
+  cout << "1" << endl;
+  std::ostringstream conf_ss;
+  conf_ss << std::ifstream("../pigs.pt").rdbuf();
+  cout << "2" << endl;
+  google::protobuf::TextFormat::ParseFromString(conf_ss.str(), &Pigs);
+  cout << "3" << endl;
+  cout << Pigs.count() << endl;
+
   return 0;
 }