Add lightweight std::exception catching main, dependent only upon <iostream> and <exception>

[SVN r66893]

include/boost/detail/main.hpp

@@ -0,0 +1,36 @@
+//  boost/detail/main.hpp  -------------------------------------------------------------//
+
+//  Copyright Beman Dawes 2010
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+#include <iostream>
+#include <exception>
+
+//--------------------------------------------------------------------------------------//
+//                                                                                      //
+//                exception reporting main() that calls cpp_main()                      //
+//                                                                                      //
+//--------------------------------------------------------------------------------------//
+
+int cpp_main(int argc, char* argv[]);
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    return cpp_main(argc, argv);
+  }
+
+  catch (const std::exception& ex)
+  {
+    std::cout
+    << "\nERROR  ERROR  ERROR  ERROR  ERROR  ERROR  ERROR  ERROR  ERROR  ERROR  ERROR\n"
+    << "\n****************************** std::exception *****************************\n"
+    << ex.what()
+    << "\n***************************************************************************\n"
+    << std::endl;
+  }
+  return 1;
+}