452 lines
13 KiB
C++
452 lines
13 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/allheaders.cpp
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// Purpose: Compilation test for all headers
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// Author: Vadim Zeitlin, Arrigo Marchiori
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// Created: 2020-04-20
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// Copyright: (c) 2010,2020 Vadim Zeitlin, Wlodzimierz Skiba, Arrigo Marchiori
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// Note: can't use wxCHECK_GCC_VERSION() here as it's not defined yet.
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#if defined(__GNUC__)
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#define CHECK_GCC_VERSION(major, minor) \
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(__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
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#else
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#define CHECK_GCC_VERSION(major, minor) 0
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#endif
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#if CHECK_GCC_VERSION(4, 6)
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// As above, we can't reuse wxCONCAT() and wxSTRINGIZE macros from wx/cpp.h
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// here, so define their equivalents here.
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#define CONCAT_HELPER(x, y) x ## y
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#define CONCAT(x1, x2) CONCAT_HELPER(x1, x2)
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#define STRINGIZE_HELPER(x) #x
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#define STRINGIZE(x) STRINGIZE_HELPER(x)
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#define GCC_TURN_ON(warn) \
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_Pragma(STRINGIZE(GCC diagnostic error STRINGIZE(CONCAT(-W,warn))))
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#define GCC_TURN_OFF(warn) \
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_Pragma(STRINGIZE(GCC diagnostic ignored STRINGIZE(CONCAT(-W,warn))))
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#endif
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// Due to what looks like a bug in gcc, some warnings enabled after including
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// the standard headers still result in warnings being given when instantiating
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// some functions defined in these headers later and we need to explicitly
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// disable these warnings to avoid them, even if they're not enabled yet.
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#ifdef GCC_TURN_OFF
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#pragma GCC diagnostic push
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GCC_TURN_OFF(aggregate-return)
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GCC_TURN_OFF(conversion)
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GCC_TURN_OFF(format)
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GCC_TURN_OFF(padded)
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GCC_TURN_OFF(parentheses)
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GCC_TURN_OFF(sign-compare)
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GCC_TURN_OFF(sign-conversion)
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GCC_TURN_OFF(unused-parameter)
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GCC_TURN_OFF(zero-as-null-pointer-constant)
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#endif
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// We have to include this one first in order to check for HAVE_XXX below.
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#include "wx/setup.h"
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// Include all standard headers that are used in wx headers before enabling the
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// warnings below.
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#include <algorithm>
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#include <cmath>
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#include <exception>
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#include <functional>
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#include <iomanip>
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#include <iostream>
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#include <list>
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#include <locale>
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#include <map>
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#include <set>
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#include <sstream>
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#include <string>
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#include <vector>
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#if defined(HAVE_STD_UNORDERED_MAP)
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#include <unordered_map>
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#endif
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#if defined(HAVE_STD_UNORDERED_SET)
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#include <unordered_set>
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#endif
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#if defined(HAVE_DLOPEN)
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#include <dlfcn.h>
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#endif
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#include <fcntl.h>
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#include "catch.hpp"
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#if defined(__WXMSW__)
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#include <windows.h>
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// Avoid warnings about redeclaring standard functions such as chmod() in
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// various standard headers when using MinGW/Cygwin.
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#if defined(__MINGW32__) || defined(__CYGWIN__)
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <io.h>
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#endif
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#elif defined(__WXQT__)
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#include <QtGui/QFont>
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#endif
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#ifdef GCC_TURN_OFF
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#pragma GCC diagnostic pop
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#endif
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// Enable max warning level for headers if possible, using gcc pragmas.
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#ifdef GCC_TURN_ON
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// Enable all the usual "maximal" warnings.
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GCC_TURN_ON(all)
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GCC_TURN_ON(extra)
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GCC_TURN_ON(pedantic)
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// Enable all the individual warnings not enabled by one of the warnings
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// above.
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// Start of semi-auto-generated part, don't modify it manually.
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//
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// Manual changes:
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// - Globally replace HANDLE_GCC_WARNING with GCC_TURN_ON.
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// - Add v6 check for -Wabi, gcc < 6 don't seem to support turning it off
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// once it's turned on and gives it for the standard library symbols.
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// {{{
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(abi)
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#endif // 6.1
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_ON(abi-tag)
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#endif // 4.8
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GCC_TURN_ON(address)
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GCC_TURN_ON(aggregate-return)
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(alloc-zero)
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#endif // 7.1
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(alloca)
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#endif // 7.1
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(arith-conversion)
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#endif // 10.1
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GCC_TURN_ON(array-bounds)
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GCC_TURN_ON(builtin-macro-redefined)
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GCC_TURN_ON(cast-align)
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(cast-align=strict)
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#endif // 8.1
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GCC_TURN_ON(cast-qual)
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GCC_TURN_ON(char-subscripts)
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#if CHECK_GCC_VERSION(9,1)
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GCC_TURN_ON(chkp)
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#endif // 9.1
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(class-memaccess)
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#endif // 8.1
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GCC_TURN_ON(clobbered)
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(comma-subscript)
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#endif // 10.1
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GCC_TURN_ON(comment)
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#if CHECK_GCC_VERSION(4,9)
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GCC_TURN_ON(conditionally-supported)
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#endif // 4.9
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GCC_TURN_ON(conversion)
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GCC_TURN_ON(ctor-dtor-privacy)
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#if CHECK_GCC_VERSION(4,9)
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GCC_TURN_ON(date-time)
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#endif // 4.9
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(delete-non-virtual-dtor)
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#endif // 4.7
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#if CHECK_GCC_VERSION(9,1)
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GCC_TURN_ON(deprecated-copy)
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#endif // 9.1
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#if CHECK_GCC_VERSION(9,1)
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GCC_TURN_ON(deprecated-copy-dtor)
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#endif // 9.1
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GCC_TURN_ON(disabled-optimization)
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GCC_TURN_ON(double-promotion)
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(duplicated-branches)
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#endif // 7.1
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(duplicated-cond)
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#endif // 6.1
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GCC_TURN_ON(empty-body)
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GCC_TURN_ON(endif-labels)
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GCC_TURN_ON(enum-compare)
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(extra-semi)
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#endif // 8.1
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GCC_TURN_ON(float-equal)
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GCC_TURN_ON(format)
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GCC_TURN_ON(format-contains-nul)
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GCC_TURN_ON(format-extra-args)
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GCC_TURN_ON(format-nonliteral)
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GCC_TURN_ON(format-security)
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_ON(format-signedness)
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#endif // 5.1
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(format-zero-length)
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#endif // 4.7
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GCC_TURN_ON(ignored-qualifiers)
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GCC_TURN_ON(init-self)
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GCC_TURN_ON(inline)
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GCC_TURN_ON(invalid-pch)
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_ON(literal-suffix)
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#endif // 4.8
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(logical-op)
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#endif // 6.1
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GCC_TURN_ON(long-long)
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GCC_TURN_ON(main)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(maybe-uninitialized)
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#endif // 4.7
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(mismatched-tags)
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#endif // 10.1
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GCC_TURN_ON(missing-braces)
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GCC_TURN_ON(missing-declarations)
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GCC_TURN_ON(missing-field-initializers)
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GCC_TURN_ON(missing-format-attribute)
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GCC_TURN_ON(missing-include-dirs)
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GCC_TURN_ON(missing-noreturn)
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GCC_TURN_ON(multichar)
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(namespaces)
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#endif // 6.1
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(narrowing)
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#endif // 4.7
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GCC_TURN_ON(noexcept)
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(noexcept-type)
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#endif // 7.1
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GCC_TURN_ON(non-virtual-dtor)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(nonnull)
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#endif // 4.7
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(null-dereference)
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#endif // 6.1
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GCC_TURN_ON(old-style-cast)
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GCC_TURN_ON(overlength-strings)
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GCC_TURN_ON(overloaded-virtual)
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GCC_TURN_ON(packed)
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GCC_TURN_ON(packed-bitfield-compat)
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GCC_TURN_ON(padded)
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GCC_TURN_ON(parentheses)
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#if CHECK_GCC_VERSION(9,1)
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GCC_TURN_ON(pessimizing-move)
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#endif // 9.1
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GCC_TURN_ON(pointer-arith)
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GCC_TURN_ON(redundant-decls)
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(redundant-tags)
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#endif // 10.1
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(register)
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#endif // 7.1
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GCC_TURN_ON(reorder)
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#if CHECK_GCC_VERSION(7,1)
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GCC_TURN_ON(restrict)
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#endif // 7.1
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GCC_TURN_ON(return-type)
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GCC_TURN_ON(sequence-point)
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GCC_TURN_ON(shadow)
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(shift-negative-value)
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#endif // 6.1
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GCC_TURN_ON(sign-compare)
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GCC_TURN_ON(sign-conversion)
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GCC_TURN_ON(sign-promo)
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GCC_TURN_ON(stack-protector)
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GCC_TURN_ON(strict-aliasing)
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GCC_TURN_ON(strict-null-sentinel)
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GCC_TURN_ON(strict-overflow)
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(string-compare)
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#endif // 10.1
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(stringop-truncation)
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#endif // 8.1
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(suggest-attribute=cold)
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#endif // 8.1
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GCC_TURN_ON(suggest-attribute=const)
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_ON(suggest-attribute=format)
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#endif // 4.8
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#if CHECK_GCC_VERSION(8,1)
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GCC_TURN_ON(suggest-attribute=malloc)
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#endif // 8.1
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GCC_TURN_ON(suggest-attribute=noreturn)
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GCC_TURN_ON(suggest-attribute=pure)
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_ON(suggest-final-methods)
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#endif // 5.1
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_ON(suggest-final-types)
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#endif // 5.1
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_ON(suggest-override)
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#endif // 5.1
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GCC_TURN_ON(switch)
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GCC_TURN_ON(switch-default)
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GCC_TURN_ON(switch-enum)
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GCC_TURN_ON(synth)
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GCC_TURN_ON(system-headers)
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(templates)
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#endif // 6.1
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GCC_TURN_ON(trampolines)
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GCC_TURN_ON(trigraphs)
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GCC_TURN_ON(type-limits)
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GCC_TURN_ON(undef)
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GCC_TURN_ON(uninitialized)
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GCC_TURN_ON(unknown-pragmas)
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GCC_TURN_ON(unreachable-code)
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GCC_TURN_ON(unsafe-loop-optimizations)
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GCC_TURN_ON(unused)
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GCC_TURN_ON(unused-but-set-parameter)
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GCC_TURN_ON(unused-but-set-variable)
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GCC_TURN_ON(unused-function)
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GCC_TURN_ON(unused-label)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(unused-local-typedefs)
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#endif // 4.7
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GCC_TURN_ON(unused-macros)
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GCC_TURN_ON(unused-parameter)
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GCC_TURN_ON(unused-value)
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GCC_TURN_ON(unused-variable)
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_ON(useless-cast)
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#endif // 4.8
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GCC_TURN_ON(variadic-macros)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(vector-operation-performance)
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#endif // 4.7
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_ON(virtual-inheritance)
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#endif // 6.1
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GCC_TURN_ON(vla)
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_ON(volatile)
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#endif // 10.1
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GCC_TURN_ON(volatile-register-var)
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GCC_TURN_ON(write-strings)
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#if CHECK_GCC_VERSION(4,7)
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GCC_TURN_ON(zero-as-null-pointer-constant)
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#endif // 4.7
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// }}}
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#undef GCC_TURN_ON
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/*
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Some warnings still must be disabled, so turn them back off explicitly:
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*/
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// Those are potentially useful warnings, but there are just too many
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// occurrences of them in our code currently.
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GCC_TURN_OFF(conversion)
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GCC_TURN_OFF(sign-compare)
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GCC_TURN_OFF(sign-conversion)
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GCC_TURN_OFF(old-style-cast)
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_OFF(useless-cast)
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#endif // 4.8
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#if CHECK_GCC_VERSION(10,1)
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GCC_TURN_OFF(redundant-tags) // "struct tm" triggers this
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#endif // 10.1
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// This one is given for NULL, and not just literal 0, up to gcc 10, and so
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// has to remain disabled for as long as we use any NULLs in our code.
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#if CHECK_GCC_VERSION(4,7) && !CHECK_GCC_VERSION(10,1)
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GCC_TURN_OFF(zero-as-null-pointer-constant)
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#endif
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// These ones could be useful to explore, but for now we don't use "final"
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// at all anywhere.
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#if CHECK_GCC_VERSION(5,1)
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GCC_TURN_OFF(suggest-final-methods)
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GCC_TURN_OFF(suggest-final-types)
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#endif // 5.1
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// wxWARNING_SUPPRESS_MISSING_OVERRIDE() inside wxRTTI macros is just
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// ignored by gcc up to 9.x for some reason, so we have no choice but to
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// disable it.
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#if CHECK_GCC_VERSION(5,1) && !CHECK_GCC_VERSION(9,0)
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GCC_TURN_OFF(suggest-override)
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#endif
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// The rest are the warnings that we don't ever want to enable.
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// This one is given whenever inheriting from std:: classes without using
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// C++11 ABI tag explicitly, probably harmless.
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#if CHECK_GCC_VERSION(4,8)
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GCC_TURN_OFF(abi-tag)
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#endif // 4.8
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// This can be used to ask the compiler to explain why some function is not
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// inlined, but it's perfectly normal for some functions not to be inlined.
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GCC_TURN_OFF(inline)
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// All those are about using perfectly normal C++ features that are
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// actually used in our code.
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GCC_TURN_OFF(aggregate-return)
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GCC_TURN_OFF(long-long)
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#if CHECK_GCC_VERSION(6,1)
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GCC_TURN_OFF(namespaces)
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GCC_TURN_OFF(multiple-inheritance)
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GCC_TURN_OFF(templates)
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#endif // 6.1
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// This warns about missing "default" label in exhaustive switches over
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// enums, so it's completely useless.
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GCC_TURN_OFF(switch-default)
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// We don't care about padding being added to our structs.
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GCC_TURN_OFF(padded)
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#endif // gcc >= 4.6
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// ANSI build hasn't been updated to work without implicit wxString encoding
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// and never will be, as it will be removed soon anyhow. And in UTF-8-only
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// build we actually want to use implicit encoding (UTF-8).
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#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
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#define wxNO_IMPLICIT_WXSTRING_ENCODING
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#endif
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#include "testprec.h"
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#include "allheaders.h"
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#ifdef GCC_TURN_OFF
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// Just using REQUIRE() below triggers -Wparentheses, so avoid it.
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GCC_TURN_OFF(parentheses)
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#endif
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TEST_CASE("wxNO_IMPLICIT_WXSTRING_ENCODING", "[string]")
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{
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wxString s = wxASCII_STR("Hello, ASCII");
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REQUIRE(s == L"Hello, ASCII");
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#ifdef TEST_IMPLICIT_WXSTRING_ENCODING
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// Compilation of this should fail, because the macro
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// wxNO_IMPLICIT_WXSTRING_ENCODING must be set
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s = "Hello, implicit encoding";
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#endif
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}
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