text: // Copyright Vladimir Prus 2004.
  //  SPDX-License-Identifier: BSL-1.0
  // Distributed under the Boost Software License, Version 1.0.
  // (See accompanying file LICENSE_1_0.txt
  // or copy at http://www.boost.org/LICENSE_1_0.txt)
  
  #ifndef PROGRAM_OPTIONS_VERSION_HPP_VP_2004_04_05
  #define PROGRAM_OPTIONS_VERSION_HPP_VP_2004_04_05
  
  #include <hpx/program_options/config.hpp>
  
  #if defined(HPX_PROGRAM_OPTIONS_HAVE_BOOST_PROGRAM_OPTIONS_COMPATIBILITY)
  // hpxinspect:nodeprecatedinclude:boost/program_options/version.hpp
  #include <boost/program_options/version.hpp>
  #else
  
  /** The version of the source interface.
      The value will be incremented whenever a change is made which might
      cause compilation errors for existing code.
  */
  #ifdef HPX_PROGRAM_OPTIONS_VERSION
  #error HPX_PROGRAM_OPTIONS_VERSION already defined
  #endif
  #define HPX_PROGRAM_OPTIONS_VERSION 2
  
  // Signal that implicit options will use values from next
  // token, if available.
  #define HPX_PROGRAM_OPTIONS_IMPLICIT_VALUE_NEXT_TOKEN 1
  
  #endif
  #endif
  