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/* $Id: ncbi_skew_guard.h,v 1.1 2011/12/06 15:29:50 ucko Exp $
* ===========================================================================
*
* PUBLIC DOMAIN NOTICE
* National Center for Biotechnology Information
*
* This software/database is a "United States Government Work" under the
* terms of the United States Copyright Act. It was written as part of
* the author's official duties as a United States Government employee and
* thus cannot be copyrighted. This software/database is freely available
* to the public for use. The National Library of Medicine and the U.S.
* Government have not placed any restriction on its use or reproduction.
*
* Although all reasonable efforts have been taken to ensure the accuracy
* and reliability of the software and data, the NLM and the U.S.
* Government do not and cannot warrant the performance or results that
* may be obtained by using this software or data. The NLM and the U.S.
* Government disclaim all warranties, express or implied, including
* warranties of performance, merchantability or fitness for any particular
* purpose.
*
* Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
* Author: Aaron Ucko, NCBI
*
*/
/** @file ncbi_skew_guard.h
* Implementation header to catch build setups that mix incompatible
* C and C++ Toolkit installations.
*
* Available as <common/ncbi_skew_guard.h> on the C++ side and
* <ncbi_skew_guard.h> on the C side, in each case customized upon
* installation to identify itself appropriately.
*/
/* In-house C++ Toolkit installations define NCBI_INSTALLED_CXX_VER to
* the corresponding date stamp (also available as NCBI_DEVELOPMENT_VER
* or NCBI_PRODUCTION_VER). */
/* #undef NCBI_INSTALLED_CXX_VER */
/* Accompanying copies of the C Toolkit define NCBI_EXPECTED_CXX_VER
* accordingly. */
/* #undef NCBI_EXPECTED_CXX_VER */
#if defined(_NCBILCL_) && defined(FORWARDING_NCBICONF_H) \
&& !defined(NCBI_ALLOW_MISMATCHED_VERSIONS)
/* The last change to shared headers before this guard came along occurred
* on Nov. 30, 2011. */
#define NCBI_MIN_CXX_VER 20111130
# if defined(NCBI_INSTALLED_CXX_VER)
# if !defined(NCBI_EXPECTED_CXX_VER) \
|| NCBI_INSTALLED_CXX_VER != NCBI_EXPECTED_CXX_VER
# error Please use the C Toolkit installation accompanying your C++ Toolkit tree.
# endif
# else
# include <common/ncbi_source_ver.h>
# if NCBI_DEVELOPMENT_VER < NCBI_MIN_CXX_VER
# error Please use a fresher C++ Toolkit version for C Toolkit compatibility.
# elif defined(NCBI_EXPECTED_CXX_VER)
# if (defined(NCBI_PRODUCTION_VER) ? NCBI_PRODUCTION_VER \
: NCBI_DEVELOPMENT_VER) \
!= NCBI_EXPECTED_CXX_VER
# error Please use matching C and C++ Toolkit versions.
# endif
# endif
# endif
#endif
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