177 lines
6.2 KiB
C
177 lines
6.2 KiB
C
/***************************************************************************
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*
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* _config-gcc.h - GCC configuration definitions
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*
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* This is an internal header file used to implement the C++ Standard
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* Library. It should never be #included directly by a program.
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*
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* $Id: _config-gcc.h 650742 2008-04-23 04:55:38Z sebor $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 1994-2008 Rogue Wave Software, Inc.
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*
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**************************************************************************/
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// _REENTRANT is defined by the -pthread compiler option
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#ifndef _RWSTD_NO_IMPLICIT_INCLUSION
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# define _RWSTD_NO_IMPLICIT_INCLUSION
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#endif
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#ifndef _RWSTD_NO_EXPORT
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// not implemented
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# define _RWSTD_NO_EXPORT
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#endif
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#ifndef __EXCEPTIONS
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// disable exceptions when the macro __EXCEPTIONS
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// is not #defined by the compiler, e.g., when
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// the -fno-exceptions option is used
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# ifndef _RWSTD_NO_EXCEPTIONS
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# define _RWSTD_NO_EXCEPTIONS
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# endif // _RWSTD_NO_EXCEPTIONS
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#endif // __EXCEPTIONS
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#if !defined (_RWSTD_USE_PURE_C_HEADERS)
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// disabled except when requested
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# define _RWSTD_NO_PURE_C_HEADERS
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#endif // !_RWSTD_USE_PURE_C_HEADERS
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#ifdef _RWSTD_NO_PURE_C_HEADERS
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// deprecated C headers (the <xxx.h> kind) are fully implemented
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// in terms of the pure C++ C library headers (the <cxxx> kind)
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# define _RWSTD_NO_DEPRECATED_C_HEADERS
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#endif // _RWSTD_NO_PURE_C_HEADERS
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#if !defined (_RWSTD_STRICT_ANSI) && __GNUG__ <= 2 && __GNUC_MINOR__ < 97
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// prevent gcc 2.9x ICE
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# define _RWSTD_NO_PLACEMENT_DELETE
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#endif // !_RWSTD_STRICT_ANSI
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#if __GNUG__ < 3
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// gcc 2.x doesn't understand the extern template syntax
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// but only issues a warning: ANSI C++ forbids the use
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// of `extern' on explicit instantiations
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# ifndef _RWSTD_NO_EXTERN_TEMPLATE
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# define _RWSTD_NO_EXTERN_TEMPLATE
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# endif // _RWSTD_NO_EXTERN_TEMPLATE
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#endif // gcc 2.x
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#if __GNUG__ <= 2 && __GNUC_MINOR__ < 97 && defined (_RWSTD_NO_HONOR_STD)
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// standard iostream objects are declared as objects of their respective
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// types by defined as POD's to prevent their destruction during program
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// lifetime (done to work around a g++ 2.95.2 bug that prevents g++
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// from deducing the type of references to the objects in template code)
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# define _RWSTD_NO_IOSTREAM_OBJECT_REFS
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#endif //__GNUG__ <= 2 && __GNUC_MINOR__ < 97 && _RWSTD_NO_HONOR_STD
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#define _RWSTD_GNUC_ATTRIBUTE(attr) __attribute__ (attr)
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// gcc attribute((noreturn)) to indicate that a function doesn't return
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// (it may still exit by throwing an exception or by calling longjmp)
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#define _RWSTD_ATTRIBUTE_NORETURN _RWSTD_GNUC_ATTRIBUTE ((noreturn))
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#ifdef _RWSTD_OS_LINUX
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# ifdef _RWSTD_NO_NEW_HEADER
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# undef _RWSTD_NO_NEW_HEADER
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# endif // _RWSTD_NO_NEW_HEADER
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// our <cxxx> libc headers put the libc functions in namespace std
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# ifdef _RWSTD_NO_LIBC_IN_STD
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# undef _RWSTD_NO_LIBC_IN_STD
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# endif // _RWSTD_NO_LIBC_IN_STD
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# ifdef _RWSTD_ANSI_C_LIMITS_H
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// prevent system header warnings
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# undef _RWSTD_ANSI_C_LIMITS_H
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# define _RWSTD_ANSI_C_LIMITS_H <../include/limits.h>
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# endif // _RWSTD_ANSI_C_LIMITS_H
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#endif // _RWSTD_OS_LINUX
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#ifdef _RWSTD_OS_AIX
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// functions called from member functions of explicitly instantiated
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// class templates aren't "implicitly" instantiated (compiler bug)
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# define _RWSTD_NO_IMPLICIT_INSTANTIATION
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#endif
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// force using /usr/include/math.h
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// prevent recursion caused by pulling in gcc's own "fixed" header
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#undef _RWSTD_ANSI_C_MATH_H
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// use new C++ libc headers
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#undef _RWSTD_NO_NEW_HEADER
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#undef _RWSTD_NO_LIBC_IN_STD
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#undef _RWSTD_NO_DEPRECATED_LIBC_IN_STD
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#ifdef __CYGWIN__
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// use our own C++ libc headers
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# undef _RWSTD_NO_NEW_HEADER
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// libc is wrapped in namespaces std
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# undef _RWSTD_NO_LIBC_IN_STD
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// deprecated C++ libc headers don't introduce names into namespace std
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# ifndef _RWSTD_NO_DEPRECATED_LIBC_IN_STD
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# define _RWSTD_NO_DEPRECATED_LIBC_IN_STD
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# endif
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# ifdef _RWSHARED
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// disabe exporting timeplate instantations in shared builds
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// see STDCXX-507
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# define _RWSTD_NO_EXTERN_TEMPLATE
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// operator new and delete is not reliably replaceable across
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// shared library boundaries, which includes the shared library
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// version of the language support library
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# define _RWSTD_NO_REPLACEABLE_NEW_DELETE
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# endif
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#endif // __CYGWIN__
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#ifdef _RWSTD_OS_OSF1
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// sizeof (long double) == sizeof (double), 'L' causes SIGSEGV
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# define _RWSTD_LDBL_PRINTF_PREFIX ""
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# define _RWSTD_LDBL_SCANF_PREFIX "l"
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#endif // _RWSTD_OS_OSF1
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#ifdef _RWSTD_OS_SUNOS
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// _SOLARIS_THREADS #defined when the -threads option is used on SunOS
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# if defined (_SOLARIS_THREADS) && !defined (_RWSTD_SOLARIS_THREADS)
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# define _RWSTD_SOLARIS_THREADS
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# endif // _SOLARIS_THREADS && !_RWSTD_SOLARIS_THREADS
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// _PTHREADS #defined when the -pthreads option is used on SunOS
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# if defined (_PTHREADS) && !defined (_RWSTD_POSIX_THREADS)
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# define _RWSTD_POSIX_THREADS
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# endif // _PTHREADS && !_RWSTD_POSIX_THREADS
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# if __GNUG__ == 3 && __GNUC_MINOR__ < 1
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// Avoid gcc 3.0.1 header configuration confusion with wchar
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# ifndef _RWSTD_NO_NEW_HEADER
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# define _RWSTD_NO_NEW_HEADER
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# endif
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# ifndef _RWSTD_NO_LIBC_IN_STD
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# define _RWSTD_NO_LIBC_IN_STD
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# endif
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# endif // __GNUG__ == 3 && __GNUC_MINOR__ < 1
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#endif // _RWSTD_OS_SUNOS
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