visibility.hh

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// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
// vi: set et ts=4 sw=2 sts=2:
// SPDX-FileCopyrightInfo: Copyright (C) DUNE Project contributors, see file LICENSE.md in module root
// SPDX-License-Identifier: LicenseRef-GPL-2.0-only-with-DUNE-exception
#ifndef DUNE_COMMON_VISIBILITY_HH
#define DUNE_COMMON_VISIBILITY_HH
 
#ifdef DOXYGEN
 
 
#define DUNE_EXPORT implementation_defined
 
 
#define DUNE_PRIVATE implementation_defined
 
#else // DOXYGEN
 
#if __GNUC__ >= 4
// GCC and Clang both define __GNUC__ to 4 and they both support the visibility
// attribute
#define DUNE_EXPORT __attribute__((visibility("default")))
#define DUNE_PRIVATE __attribute__((visibility("hidden")))
#else
// We don't know about the active compiler, so just turn the visibility macros to no-ops.
#define DUNE_EXPORT
#define DUNE_PRIVATE
#endif
 
#endif // DOXYGEN
 
#endif // DUNE_COMMON_VISIBILITY