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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpversion-private.h
* Copyright (C) 2025 Jehan
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_VERSION_PRIVATE_H__
#define __GIMP_VERSION_PRIVATE_H__
#include <libgimpbase/gimpversion.h>
G_BEGIN_DECLS
/**
* GIMP_WARNING_API_BREAK:
* @message: the message to output either as build WARNING or ERROR.
*
* Internal macro to use when we consider an API break, so that we don't
* forget to look at it when the time comes:
*
* - When the minor version reaches 99 (e.g. 3.99), the message will be
* outputted as a compilation warning.
* - When the minor and micro versions are 0.0 (e.g. 4.0.0), the message
* will be outputted as compilation error, hence forbidding a major
* release unless we resolve all the API break warnings (in any way,
* it can be by actually breaking the API, or by deciding that this is
* not a valid change anymore).
*
* Note: this macro relies on the "GCC warning" pragma which was tested
* to work on clang too. Assuming/hoping it works on other compilers.
**/
#if GIMP_CHECK_VERSION(GIMP_MAJOR_VERSION, 99, 0)
#define GIMP_PRAGMA(pragma) _Pragma(#pragma)
#define GIMP_WARNING_MSG(message) GIMP_PRAGMA(GCC warning #message)
#define GIMP_WARNING_API_BREAK(message) GIMP_WARNING_MSG(message)
#elif GIMP_MINOR_VERSION == 0 && GIMP_MICRO_VERSION == 0
#define GIMP_PRAGMA(pragma) _Pragma(#pragma)
#define GIMP_ERROR_MSG(message) GIMP_PRAGMA(GCC error #message)
#define GIMP_WARNING_API_BREAK(message) \
GIMP_ERROR_MSG("API break warning needs to be handled before releasing: " message)
#else
#define GIMP_WARNING_API_BREAK(message)
#endif
G_END_DECLS
#endif /* __GIMP_VERSION_PRIVATE_H__ */
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