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