1 #define GFLAGS_DLL_DECLARE_FLAG
2 
3 #include <iostream>
4 #include <gflags/gflags_declare.h>
5 
6 DECLARE_string(message); // in gflags_delcare_test.cc
7 
8 void print_message();
print_message()9 void print_message()
10 {
11   std::cout << FLAGS_message << std::endl;
12 }
13