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57 lines
2.3 KiB
57 lines
2.3 KiB
6 years ago
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/* Kaleidoscope - Firmware for computer input devices
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* Copyright (C) 2013-2018 Keyboard.io, Inc.
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// Please note that due to a bug in older gcc versions the following
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// warning suppressions mechanism does not work for gcc versions below 6.1.
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//******************************************************************************
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// Start for internal use only
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//******************************************************************************
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#define _GCC_DIAG_STR(s) #s
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#define _GCC_DIAG_JOINSTR(x,y) _GCC_DIAG_STR(x ## y)
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#define _GCC_DIAG_DO_PRAGMA(x) _Pragma (#x)
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#define _GCC_DIAG_PRAGMA(x) _GCC_DIAG_DO_PRAGMA(GCC diagnostic x)
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//******************************************************************************
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// End for internal use only
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//******************************************************************************
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//******************************************************************************
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// Use the following macros to temporarily silence compiler diagnostics (warnings).
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// This enables suppress only those compiler warnings that are safe to
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// silence without using global flags as -Wno...
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//
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// Use e.g. as
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//
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#if 0 // Not part of the example
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// Suppress Warnings for unused variables
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COMPILER_DIAG_OFF(unused-variable)
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// Place code here that generates unavoidable unused variables
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COMPILER_DIAG_ON(unused-variable)
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// From this point onward, the compiler continues to warn for
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// unused variables.
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#endif // Not part of the example
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//******************************************************************************
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#define COMPILER_DIAG_OFF(x) _GCC_DIAG_PRAGMA(push) __NL__ \
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_GCC_DIAG_PRAGMA(ignored _GCC_DIAG_JOINSTR(-W,x))
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#define COMPILER_DIAG_ON(x) _GCC_DIAG_PRAGMA(pop)
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