init repo.

third_party/gflags/test/config/main.cc

@@ -0,0 +1,20 @@
+#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;
+}