KJ16609/gcc
1
0
Fork 0
mirror of https://gcc.gnu.org/git/gcc.git synced 2026-02-22 12:00:03 -05:00
Code Issues Packages Projects Releases Wiki Activity
Files
51dc660315ef83dcb907f3bd3a0a56abb9efed7a
gcc/libstdc++-v3/include/bits/c++config
Jason Merrill 51dc660315 Implement P0012R1, Make exception specifications part of the type system. 
gcc/cp/
	* cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
	(flag_noexcept_type, ce_type): New.
	* call.c (build_conv): Add ck_fnptr.
	(enum conversion_kind): Change ck_tsafe to ck_fnptr.
	(convert_like_real): Likewise.
	(standard_conversion): Likewise.  Allow function pointer
	conversions for pointers to member functions.
	(reference_compatible_p): Allow function pointer conversions.
	(direct_reference_binding): Likewise.
	(reference_binding): Reference-compatible is no longer a subset of
	reference-related.
	(is_subseq): Also strip ck_lvalue after next_conversion.
	* class.c (instantiate_type): Check fnptr_conv_p.
	(resolve_address_of_overloaded_function): Likewise.
	* cvt.c (can_convert_tx_safety): Now static.
	(noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
	* decl.c (flag_noexcept_type): Define.
	(cxx_init_decl_processing): Set it.
	(bad_specifiers): Check it.
	(grokdeclarator) [cdk_function]: Add exception-spec to type here.
	* lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
	returned pointer.
	* mangle.c (struct globals): Add need_cxx1z_warning.
	(mangle_decl): Check it.
	(write_exception_spec): New.
	(write_function_type): Call it.
	(canonicalize_for_substitution): Handle exception spec.
	(write_type): Likewise.
	(write_encoding): Set processing_template_decl across mangling of
	partially-instantiated type.
	* pt.c (determine_specialization): Pass tf_fndecl_type.
	(tsubst_decl, fn_type_unification): Likewise.
	(tsubst): Strip tf_fndecl_type, pass it to
	tsubst_exception_specification.
	(convert_nontype_argument_function): Handle function pointer
	conversion.
	(convert_nontype_argument): Likewise.
	(unify, for_each_template_parm_r): Walk into noexcept-specifier.
	* rtti.c (ptr_initializer): Encode noexcept.
	* tree.c (canonical_eh_spec): New.
	(build_exception_variant): Use it.
	* typeck.c (composite_pointer_type): Handle fnptr conversion.
	(comp_except_specs): Compare canonical EH specs.
	(structural_comptypes): Call it.
gcc/c-family/
	* c.opt (Wc++1z-compat): New.
	* c-cppbuiltin.c (c_cpp_builtins): Add __cpp_noexcept_function_type.
libstdc++-v3/
	* include/bits/c++config (_GLIBCXX_NOEXCEPT_PARM)
	(_GLIBCXX_NOEXCEPT_QUAL): New.
	* include/std/type_traits (is_function): Use them.
	* libsubc++/new (launder): Likewise.
	* libsupc++/cxxabi.h (__pbase_type_info::__masks): Add
	__noexcept_mask.
	* libsupc++/pbase_type_info.cc (__do_catch): Handle function
	pointer conversion.
libiberty/
	* cp-demangle.c (is_fnqual_component_type): New.
	(d_encoding, d_print_comp_inner, d_print_mod_list): Use it.
	(FNQUAL_COMPONENT_CASE): New.
	(d_make_comp, has_return_type, d_print_comp_inner)
	(d_print_function_type): Use it.
	(next_is_type_qual): New.
	(d_cv_qualifiers, d_print_mod): Handle noexcept and throw-spec.
include/
	* demangle.h (enum demangle_component_type): Add
	DEMANGLE_COMPONENT_NOEXCEPT, DEMANGLE_COMPONENT_THROW_SPEC.

From-SVN: r241944
2016-11-07 18:09:29 -05:00

610 lines
18 KiB
C++
Raw Blame History

// Predefined symbols and macros -*- C++ -*-
// Copyright (C) 1997-2016 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file bits/c++config.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{iosfwd}
*/
#ifndef _GLIBCXX_CXX_CONFIG_H
#define _GLIBCXX_CXX_CONFIG_H 1
// The current version of the C++ library in compressed ISO date format.
#define __GLIBCXX__
// Macros for various attributes.
// _GLIBCXX_PURE
// _GLIBCXX_CONST
// _GLIBCXX_NORETURN
// _GLIBCXX_NOTHROW
// _GLIBCXX_VISIBILITY
#ifndef _GLIBCXX_PURE
# define _GLIBCXX_PURE __attribute__ ((__pure__))
#endif
#ifndef _GLIBCXX_CONST
# define _GLIBCXX_CONST __attribute__ ((__const__))
#endif
#ifndef _GLIBCXX_NORETURN
# define _GLIBCXX_NORETURN __attribute__ ((__noreturn__))
#endif
// See below for C++
#ifndef _GLIBCXX_NOTHROW
# ifndef __cplusplus
# define _GLIBCXX_NOTHROW __attribute__((__nothrow__))
# endif
#endif
// Macros for visibility attributes.
// _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
// _GLIBCXX_VISIBILITY
#define _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
#if _GLIBCXX_HAVE_ATTRIBUTE_VISIBILITY
# define _GLIBCXX_VISIBILITY(V) __attribute__ ((__visibility__ (#V)))
#else
// If this is not supplied by the OS-specific or CPU-specific
// headers included below, it will be defined to an empty default.
# define _GLIBCXX_VISIBILITY(V) _GLIBCXX_PSEUDO_VISIBILITY(V)
#endif
// Macros for deprecated attributes.
// _GLIBCXX_USE_DEPRECATED
// _GLIBCXX_DEPRECATED
#ifndef _GLIBCXX_USE_DEPRECATED
# define _GLIBCXX_USE_DEPRECATED 1
#endif
#if defined(__DEPRECATED) && (__cplusplus >= 201103L)
# define _GLIBCXX_DEPRECATED __attribute__ ((__deprecated__))
#else
# define _GLIBCXX_DEPRECATED
#endif
// Macros for ABI tag attributes.
#ifndef _GLIBCXX_ABI_TAG_CXX11
# define _GLIBCXX_ABI_TAG_CXX11 __attribute ((__abi_tag__ ("cxx11")))
#endif
#if __cplusplus
// Macro for constexpr, to support in mixed 03/0x mode.
#ifndef _GLIBCXX_CONSTEXPR
# if __cplusplus >= 201103L
# define _GLIBCXX_CONSTEXPR constexpr
# define _GLIBCXX_USE_CONSTEXPR constexpr
# else
# define _GLIBCXX_CONSTEXPR
# define _GLIBCXX_USE_CONSTEXPR const
# endif
#endif
#ifndef _GLIBCXX14_CONSTEXPR
# if __cplusplus >= 201402L
# define _GLIBCXX14_CONSTEXPR constexpr
# else
# define _GLIBCXX14_CONSTEXPR
# endif
#endif
#ifndef _GLIBCXX17_CONSTEXPR
# if __cplusplus > 201402L
# define _GLIBCXX17_CONSTEXPR constexpr
# else
# define _GLIBCXX17_CONSTEXPR
# endif
#endif
// Macro for noexcept, to support in mixed 03/0x mode.
#ifndef _GLIBCXX_NOEXCEPT
# if __cplusplus >= 201103L
# define _GLIBCXX_NOEXCEPT noexcept
# define _GLIBCXX_NOEXCEPT_IF(_COND) noexcept(_COND)
# define _GLIBCXX_USE_NOEXCEPT noexcept
# define _GLIBCXX_THROW(_EXC)
# else
# define _GLIBCXX_NOEXCEPT
# define _GLIBCXX_NOEXCEPT_IF(_COND)
# define _GLIBCXX_USE_NOEXCEPT throw()
# define _GLIBCXX_THROW(_EXC) throw(_EXC)
# endif
#endif
#ifndef _GLIBCXX_NOTHROW
# define _GLIBCXX_NOTHROW _GLIBCXX_USE_NOEXCEPT
#endif
#ifndef _GLIBCXX_THROW_OR_ABORT
# if __cpp_exceptions
# define _GLIBCXX_THROW_OR_ABORT(_EXC) (throw (_EXC))
# else
# define _GLIBCXX_THROW_OR_ABORT(_EXC) (__builtin_abort())
# endif
#endif
#if __cpp_noexcept_function_type
#define _GLIBCXX_NOEXCEPT_PARM , bool _N
#define _GLIBCXX_NOEXCEPT_QUAL noexcept (_N)
#else
#define _GLIBCXX_NOEXCEPT_PARM
#define _GLIBCXX_NOEXCEPT_QUAL
#endif
// Macro for extern template, ie controlling template linkage via use
// of extern keyword on template declaration. As documented in the g++
// manual, it inhibits all implicit instantiations and is used
// throughout the library to avoid multiple weak definitions for
// required types that are already explicitly instantiated in the
// library binary. This substantially reduces the binary size of
// resulting executables.
// Special case: _GLIBCXX_EXTERN_TEMPLATE == -1 disallows extern
// templates only in basic_string, thus activating its debug-mode
// checks even at -O0.
#define _GLIBCXX_EXTERN_TEMPLATE
/*
Outline of libstdc++ namespaces.
namespace std
{
namespace __debug { }
namespace __parallel { }
namespace __profile { }
namespace __cxx1998 { }
namespace __detail { }
namespace rel_ops { }
namespace tr1
{
namespace placeholders { }
namespace regex_constants { }
namespace __detail { }
}
namespace tr2 { }
namespace decimal { }
namespace chrono { }
namespace placeholders { }
namespace regex_constants { }
namespace this_thread { }
inline namespace literals {
inline namespace chrono_literals { }
inline namespace complex_literals { }
inline namespace string_literals { }
}
}
namespace abi { }
namespace __gnu_cxx
{
namespace __detail { }
}
For full details see:
http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/namespaces.html
*/
namespace std
{
typedef __SIZE_TYPE__ size_t;
typedef __PTRDIFF_TYPE__ ptrdiff_t;
#if __cplusplus >= 201103L
typedef decltype(nullptr) nullptr_t;
#endif
}
#define _GLIBCXX_USE_DUAL_ABI
#if ! _GLIBCXX_USE_DUAL_ABI
// Ignore any pre-defined value of _GLIBCXX_USE_CXX11_ABI
# undef _GLIBCXX_USE_CXX11_ABI
#endif
#ifndef _GLIBCXX_USE_CXX11_ABI
#define _GLIBCXX_USE_CXX11_ABI
#endif
#if _GLIBCXX_USE_CXX11_ABI
namespace std
{
inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
}
namespace __gnu_cxx
{
inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
}
# define _GLIBCXX_NAMESPACE_CXX11 __cxx11::
# define _GLIBCXX_BEGIN_NAMESPACE_CXX11 namespace __cxx11 {
# define _GLIBCXX_END_NAMESPACE_CXX11 }
# define _GLIBCXX_DEFAULT_ABI_TAG _GLIBCXX_ABI_TAG_CXX11
#else
# define _GLIBCXX_NAMESPACE_CXX11
# define _GLIBCXX_BEGIN_NAMESPACE_CXX11
# define _GLIBCXX_END_NAMESPACE_CXX11
# define _GLIBCXX_DEFAULT_ABI_TAG
#endif
// Defined if inline namespaces are used for versioning.
#define _GLIBCXX_INLINE_VERSION
// Inline namespace for symbol versioning.
#if _GLIBCXX_INLINE_VERSION
namespace std
{
inline namespace __7 { }
namespace rel_ops { inline namespace __7 { } }
namespace tr1
{
inline namespace __7 { }
namespace placeholders { inline namespace __7 { } }
namespace regex_constants { inline namespace __7 { } }
namespace __detail { inline namespace __7 { } }
}
namespace tr2
{ inline namespace __7 { } }
namespace decimal { inline namespace __7 { } }
namespace chrono { inline namespace __7 { } }
namespace placeholders { inline namespace __7 { } }
namespace regex_constants { inline namespace __7 { } }
namespace this_thread { inline namespace __7 { } }
inline namespace literals {
inline namespace chrono_literals { inline namespace __7 { } }
inline namespace complex_literals { inline namespace __7 { } }
inline namespace string_literals { inline namespace __7 { } }
}
namespace __detail {
inline namespace __7 { }
namespace __variant { inline namespace __7 { } }
}
}
namespace __gnu_cxx
{
inline namespace __7 { }
namespace __detail { inline namespace __7 { } }
}
# define _GLIBCXX_BEGIN_NAMESPACE_VERSION namespace __7 {
# define _GLIBCXX_END_NAMESPACE_VERSION }
#else
# define _GLIBCXX_BEGIN_NAMESPACE_VERSION
# define _GLIBCXX_END_NAMESPACE_VERSION
#endif
// Inline namespaces for special modes: debug, parallel, profile.
#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PARALLEL) \
|| defined(_GLIBCXX_PROFILE)
namespace std
{
// Non-inline namespace for components replaced by alternates in active mode.
namespace __cxx1998
{
# if _GLIBCXX_INLINE_VERSION
inline namespace __7 { }
# endif
# if _GLIBCXX_USE_CXX11_ABI
inline namespace __cxx11 __attribute__((__abi_tag__ ("cxx11"))) { }
# endif
}
// Inline namespace for debug mode.
# ifdef _GLIBCXX_DEBUG
inline namespace __debug { }
# endif
// Inline namespaces for parallel mode.
# ifdef _GLIBCXX_PARALLEL
inline namespace __parallel { }
# endif
// Inline namespaces for profile mode
# ifdef _GLIBCXX_PROFILE
inline namespace __profile { }
# endif
}
// Check for invalid usage and unsupported mixed-mode use.
# if defined(_GLIBCXX_DEBUG) && defined(_GLIBCXX_PARALLEL)
# error illegal use of multiple inlined namespaces
# endif
# if defined(_GLIBCXX_PROFILE) && defined(_GLIBCXX_DEBUG)
# error illegal use of multiple inlined namespaces
# endif
# if defined(_GLIBCXX_PROFILE) && defined(_GLIBCXX_PARALLEL)
# error illegal use of multiple inlined namespaces
# endif
// Check for invalid use due to lack for weak symbols.
# if __NO_INLINE__ && !__GXX_WEAK__
# warning currently using inlined namespace mode which may fail \
without inlining due to lack of weak symbols
# endif
#endif
// Macros for namespace scope. Either namespace std:: or the name
// of some nested namespace within it corresponding to the active mode.
// _GLIBCXX_STD_A
// _GLIBCXX_STD_C
//
// Macros for opening/closing conditional namespaces.
// _GLIBCXX_BEGIN_NAMESPACE_ALGO
// _GLIBCXX_END_NAMESPACE_ALGO
// _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
// _GLIBCXX_END_NAMESPACE_CONTAINER
#if defined(_GLIBCXX_DEBUG) || defined(_GLIBCXX_PROFILE)
# define _GLIBCXX_STD_C __cxx1998
# define _GLIBCXX_BEGIN_NAMESPACE_CONTAINER \
namespace _GLIBCXX_STD_C { _GLIBCXX_BEGIN_NAMESPACE_VERSION
# define _GLIBCXX_END_NAMESPACE_CONTAINER \
_GLIBCXX_END_NAMESPACE_VERSION }
#else
# define _GLIBCXX_STD_C std
# define _GLIBCXX_BEGIN_NAMESPACE_CONTAINER _GLIBCXX_BEGIN_NAMESPACE_VERSION
# define _GLIBCXX_END_NAMESPACE_CONTAINER _GLIBCXX_END_NAMESPACE_VERSION
#endif
#ifdef _GLIBCXX_PARALLEL
# define _GLIBCXX_STD_A __cxx1998
# define _GLIBCXX_BEGIN_NAMESPACE_ALGO \
namespace _GLIBCXX_STD_A { _GLIBCXX_BEGIN_NAMESPACE_VERSION
# define _GLIBCXX_END_NAMESPACE_ALGO \
_GLIBCXX_END_NAMESPACE_VERSION }
#else
# define _GLIBCXX_STD_A std
# define _GLIBCXX_BEGIN_NAMESPACE_ALGO _GLIBCXX_BEGIN_NAMESPACE_VERSION
# define _GLIBCXX_END_NAMESPACE_ALGO _GLIBCXX_END_NAMESPACE_VERSION
#endif
// GLIBCXX_ABI Deprecated
// Define if compatibility should be provided for -mlong-double-64.
#undef _GLIBCXX_LONG_DOUBLE_COMPAT
// Inline namespace for long double 128 mode.
#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
namespace std
{
inline namespace __gnu_cxx_ldbl128 { }
}
# define _GLIBCXX_NAMESPACE_LDBL __gnu_cxx_ldbl128::
# define _GLIBCXX_BEGIN_NAMESPACE_LDBL namespace __gnu_cxx_ldbl128 {
# define _GLIBCXX_END_NAMESPACE_LDBL }
#else
# define _GLIBCXX_NAMESPACE_LDBL
# define _GLIBCXX_BEGIN_NAMESPACE_LDBL
# define _GLIBCXX_END_NAMESPACE_LDBL
#endif
#if _GLIBCXX_USE_CXX11_ABI
# define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_NAMESPACE_CXX11
# define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_BEGIN_NAMESPACE_CXX11
# define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_END_NAMESPACE_CXX11
#else
# define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_NAMESPACE_LDBL
# define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_BEGIN_NAMESPACE_LDBL
# define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_END_NAMESPACE_LDBL
#endif
// Debug Mode implies checking assertions.
#ifdef _GLIBCXX_DEBUG
# define _GLIBCXX_ASSERTIONS 1
#endif
// Disable std::string explicit instantiation declarations in order to assert.
#ifdef _GLIBCXX_ASSERTIONS
# undef _GLIBCXX_EXTERN_TEMPLATE
# define _GLIBCXX_EXTERN_TEMPLATE -1
#endif
// Assert.
#if !defined(_GLIBCXX_ASSERTIONS) && !defined(_GLIBCXX_PARALLEL)
# define __glibcxx_assert(_Condition)
#else
namespace std
{
// Avoid the use of assert, because we're trying to keep the <cassert>
// include out of the mix.
inline void
__replacement_assert(const char* __file, int __line,
const char* __function, const char* __condition)
{
__builtin_printf("%s:%d: %s: Assertion '%s' failed.\n", __file, __line,
__function, __condition);
__builtin_abort();
}
}
#define __glibcxx_assert(_Condition) \
do \
{ \
if (! (_Condition)) \
std::__replacement_assert(__FILE__, __LINE__, __PRETTY_FUNCTION__, \
#_Condition); \
} while (false)
#endif
// Macros for race detectors.
// _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(A) and
// _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(A) should be used to explain
// atomic (lock-free) synchronization to race detectors:
// the race detector will infer a happens-before arc from the former to the
// latter when they share the same argument pointer.
//
// The most frequent use case for these macros (and the only case in the
// current implementation of the library) is atomic reference counting:
// void _M_remove_reference()
// {
// _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(&this->_M_refcount);
// if (__gnu_cxx::__exchange_and_add_dispatch(&this->_M_refcount, -1) <= 0)
// {
// _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(&this->_M_refcount);
// _M_destroy(__a);
// }
// }
// The annotations in this example tell the race detector that all memory
// accesses occurred when the refcount was positive do not race with
// memory accesses which occurred after the refcount became zero.
#ifndef _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE
# define _GLIBCXX_SYNCHRONIZATION_HAPPENS_BEFORE(A)
#endif
#ifndef _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER
# define _GLIBCXX_SYNCHRONIZATION_HAPPENS_AFTER(A)
#endif
// Macros for C linkage: define extern "C" linkage only when using C++.
# define _GLIBCXX_BEGIN_EXTERN_C extern "C" {
# define _GLIBCXX_END_EXTERN_C }
#define _GLIBCXX_USE_ALLOCATOR_NEW
#else // !__cplusplus
# define _GLIBCXX_BEGIN_EXTERN_C
# define _GLIBCXX_END_EXTERN_C
#endif
// First includes.
// Pick up any OS-specific definitions.
#include <bits/os_defines.h>
// Pick up any CPU-specific definitions.
#include <bits/cpu_defines.h>
// If platform uses neither visibility nor psuedo-visibility,
// specify empty default for namespace annotation macros.
#ifndef _GLIBCXX_PSEUDO_VISIBILITY
# define _GLIBCXX_PSEUDO_VISIBILITY(V)
#endif
// Certain function definitions that are meant to be overridable from
// user code are decorated with this macro. For some targets, this
// macro causes these definitions to be weak.
#ifndef _GLIBCXX_WEAK_DEFINITION
# define _GLIBCXX_WEAK_DEFINITION
#endif
// By default, we assume that __GXX_WEAK__ also means that there is support
// for declaring functions as weak while not defining such functions. This
// allows for referring to functions provided by other libraries (e.g.,
// libitm) without depending on them if the respective features are not used.
#ifndef _GLIBCXX_USE_WEAK_REF
# define _GLIBCXX_USE_WEAK_REF __GXX_WEAK__
#endif
// Conditionally enable annotations for the Transactional Memory TS on C++11.
// Most of the following conditions are due to limitations in the current
// implementation.
#if __cplusplus >= 201103L && _GLIBCXX_USE_CXX11_ABI \
&& _GLIBCXX_USE_DUAL_ABI && __cpp_transactional_memory >= 201505L \
&& !_GLIBCXX_FULLY_DYNAMIC_STRING && _GLIBCXX_USE_WEAK_REF \
&& _GLIBCXX_USE_ALLOCATOR_NEW
#define _GLIBCXX_TXN_SAFE transaction_safe
#define _GLIBCXX_TXN_SAFE_DYN transaction_safe_dynamic
#else
#define _GLIBCXX_TXN_SAFE
#define _GLIBCXX_TXN_SAFE_DYN
#endif
#if __cplusplus > 201402L
// In C++17 mathematical special functions are in namespace std.
# define _GLIBCXX_USE_STD_SPEC_FUNCS 1
#elif __cplusplus >= 201103L && __STDCPP_WANT_MATH_SPEC_FUNCS__ != 0
// For C++11 and C++14 they are in namespace std when requested.
# define _GLIBCXX_USE_STD_SPEC_FUNCS 1
#endif
// The remainder of the prewritten config is automatic; all the
// user hooks are listed above.
// Create a boolean flag to be used to determine if --fast-math is set.
#ifdef __FAST_MATH__
# define _GLIBCXX_FAST_MATH 1
#else
# define _GLIBCXX_FAST_MATH 0
#endif
// This marks string literals in header files to be extracted for eventual
// translation. It is primarily used for messages in thrown exceptions; see
// src/functexcept.cc. We use __N because the more traditional _N is used
// for something else under certain OSes (see BADNAMES).
#define __N(msgid) (msgid)
// For example, <windows.h> is known to #define min and max as macros...
#undef min
#undef max
// N.B. these _GLIBCXX_USE_C99_XXX macros are defined unconditionally
// so they should be tested with #if not with #ifdef.
#if __cplusplus >= 201103L
# ifndef _GLIBCXX_USE_C99_MATH
# define _GLIBCXX_USE_C99_MATH _GLIBCXX11_USE_C99_MATH
# endif
# ifndef _GLIBCXX_USE_C99_COMPLEX
# define _GLIBCXX_USE_C99_COMPLEX _GLIBCXX11_USE_C99_COMPLEX
# endif
# ifndef _GLIBCXX_USE_C99_STDIO
# define _GLIBCXX_USE_C99_STDIO _GLIBCXX11_USE_C99_STDIO
# endif
# ifndef _GLIBCXX_USE_C99_STDLIB
# define _GLIBCXX_USE_C99_STDLIB _GLIBCXX11_USE_C99_STDLIB
# endif
# ifndef _GLIBCXX_USE_C99_WCHAR
# define _GLIBCXX_USE_C99_WCHAR _GLIBCXX11_USE_C99_WCHAR
# endif
#else
# ifndef _GLIBCXX_USE_C99_MATH
# define _GLIBCXX_USE_C99_MATH _GLIBCXX98_USE_C99_MATH
# endif
# ifndef _GLIBCXX_USE_C99_COMPLEX
# define _GLIBCXX_USE_C99_COMPLEX _GLIBCXX98_USE_C99_COMPLEX
# endif
# ifndef _GLIBCXX_USE_C99_STDIO
# define _GLIBCXX_USE_C99_STDIO _GLIBCXX98_USE_C99_STDIO
# endif
# ifndef _GLIBCXX_USE_C99_STDLIB
# define _GLIBCXX_USE_C99_STDLIB _GLIBCXX98_USE_C99_STDLIB
# endif
# ifndef _GLIBCXX_USE_C99_WCHAR
# define _GLIBCXX_USE_C99_WCHAR _GLIBCXX98_USE_C99_WCHAR
# endif
#endif
// End of prewritten config; the settings discovered at configure time follow.
Reference in New Issue View Git Blame Copy Permalink