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https://gitlab.kitware.com/vtk/vtk-m
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b15940c1e3
This is to be used in place of BOOST_STATIC_ASSERT so that we can control its implementation. The implementation is designed to fix the issue where the latest XCode clang compiler gives a warning about a unused typedefs when the boost static assert is used within a function. (This warning also happens when using the C++11 static_assert keyword.) You can suppress this warning with _Pragma commands, but _Pragma commands inside a block is not supported in GCC. The implementation of VTKM_STATIC_ASSERT handles all current cases.
55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_StaticAssert_h
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#define vtk_m_StaticAssert_h
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#include <vtkm/internal/Configure.h>
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VTKM_THIRDPARTY_PRE_INCLUDE
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#include <boost/static_assert.hpp>
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VTKM_THIRDPARTY_POST_INCLUDE
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// Newer versions of clang are causing the static assert to issue a warning
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// about unused typedefs. In this case, we want to disable the warnings using
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// pragmas. However, not all compiler support pragmas in code blocks (although
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// fortunately clang does). Thus, only use these pragmas in the instance where
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// we need it and know we can use it.
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#if defined(VTKM_CLANG) && (__apple_build_version__ >= 7000072)
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#define VTKM_STATIC_ASSERT(condition) \
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VTKM_THIRDPARTY_PRE_INCLUDE \
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BOOST_STATIC_ASSERT(condition) \
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VTKM_THIRDPARTY_POST_INCLUDE
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#define VTKM_STATIC_ASSERT_MSG(condition, message) \
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VTKM_THIRDPARTY_PRE_INCLUDE \
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BOOST_STATIC_ASSERT_MSG(condition, message) \
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VTKM_THIRDPARTY_POST_INCLUDE
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#else
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#define VTKM_STATIC_ASSERT(condition) \
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BOOST_STATIC_ASSERT(condition)
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#define VTKM_STATIC_ASSERT_MSG(condition, message) \
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BOOST_STATIC_ASSERT_MSG(condition, message)
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#endif
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#endif //vtk_m_StaticAssert_h
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