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#include <iostream>
#include <gflags/gflags.h>
DEFINE_string(message, "Hello World!", "The message to print");
static bool ValidateMessage(const char* flagname, const std::string &message)
{
return !message.empty();
}
DEFINE_validator(message, ValidateMessage);
int main(int argc, char **argv)
{
gflags::SetUsageMessage("Test CMake configuration of gflags library (gflags-config.cmake)");
gflags::SetVersionString("0.1");
gflags::ParseCommandLineFlags(&argc, &argv, true);
std::cout << FLAGS_message << std::endl;
gflags::ShutDownCommandLineFlags();
return 0;
}
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