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f4a7308f61
Warnings issued by gcc 8.1.0 are eliminated. New Standard_WarningDisableFunctionCast.hxx header file is introduced to disable GCC warning "-Wcast-function-type" in those files *.cxx where it is issued. This warning is issued when the conversion from the pointer to one function type to the pointer to another function type takes places, it was added in gcc 8.1.0. The function MyVISEDG in SWDRAW_ShapeAnalysis.cxx is removed as it does not seem to do anything useful and relevant DRAW command K_VISEDG is never used in tests.
34 lines
1.8 KiB
C++
34 lines
1.8 KiB
C++
// Copyright (c) 2019 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Standard_WarningDisableFunctionCast_HeaderFile
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#define _Standard_WarningDisableFunctionCast_HeaderFile
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//! @file
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//! Include this file to disable GCC warning -Wcast-function-type introduced in GCC 8.1.
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//!
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//! This diagnostic warns when a function pointer is cast to an incompatible function pointer.
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//! Existing APIs loading function pointer from library (like dlsym() or wglGetProcAddress()) have no
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//! possibility to return function of specified type nor to verify that exported symbol actually
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//! matches the expected function signature, so that unsafe function cast is unavoidable.
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//! There is no way to prevent this warning at OCCT level (until safer APIs is introduced), thus
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//! suppressing it is the only feasible way to avoid it. As this warning still can point out broken
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//! places, it should be suppressed only locally, where usage of function cast has been verified.
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#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !defined(__clang__)
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# if (__GNUC__ > 8) || ((__GNUC__ == 8) && (__GNUC_MINOR__ >= 1))
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# pragma GCC diagnostic ignored "-Wcast-function-type"
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# endif
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#endif
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#endif // _Standard_WarningDisableFunctionCast_HeaderFile
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