301 lines
8.4 KiB
C++
301 lines
8.4 KiB
C++
/**************************************************************************
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* compiler.h -- C++ Compiler Portability Macros
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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**************************************************************************/
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#ifndef _COMPILER_H
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#define _COMPILER_H
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// What this file does.
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// (1) Defines macros for some STL includes which may be affected
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// by file name length limitations.
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// (2) Defines macros for some features not supported by all C++ compilers.
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// (3) Defines 'explicit' as a null macro if the compiler doesn't support
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// the explicit keyword.
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// (4) Defines 'typename' as a null macro if the compiler doesn't support
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// the typename keyword.
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// (5) Defines bool, true and false if the compiler doesn't do so.
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// (6) Defines FG_EXPLICIT_FUNCTION_TMPL_ARGS if the compiler
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// supports calling a function template by providing its template
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// arguments explicitly.
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// (7) Defines FG_NEED_AUTO_PTR if STL doesn't provide auto_ptr<>.
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// (8) Defines FG_NO_ARROW_OPERATOR if the compiler is unable
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// to support operator->() for iterators.
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// (9) Defines FG_USE_EXCEPTIONS if the compiler supports exceptions.
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// Note: no FlightGear code uses exceptions.
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// (10) Define FG_NAMESPACES if the compiler supports namespaces.
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// (11) FG_MATH_FN_IN_NAMESPACE_STD -- not used??
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// (12) Define FG_HAVE_STD if std namespace is supported.
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// (13) Defines FG_CLASS_PARTIAL_SPECIALIZATION if the compiler
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// supports partial specialization of class templates.
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// (14) Defines FG_HAVE_STD_INCLUDES to use ISO C++ Standard headers.
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// (15) Defines FG_HAVE_STREAMBUF if <streambuf> of <streambuf.h> are present.
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// (16) Define FG_MATH_EXCEPTION_CLASH if math.h defines an exception class
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// that clashes with the one defined in <stdexcept>.
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#ifdef __GNUC__
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# if __GNUC__ == 2
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# if __GNUC_MINOR__ < 8
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// g++-2.7.x
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# define STL_ALGORITHM <algorithm>
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# define STL_FUNCTIONAL <functional>
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# define STL_IOMANIP <iomanip.h>
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# define STL_IOSTREAM <iostream.h>
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# define STL_STDEXCEPT <stdexcept>
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# define STL_STRING <string>
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# define STL_STRSTREAM <strstream.h>
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# define FG_NEED_AUTO_PTR
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# define FG_NO_DEFAULT_TEMPLATE_ARGS
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# define FG_INCOMPLETE_FUNCTIONAL
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# define FG_NO_ARROW_OPERATOR
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# elif __GNUC_MINOR__ >= 8
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// g++-2.8.x and egcs-1.x
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# define FG_EXPLICIT_FUNCTION_TMPL_ARGS
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# define FG_NEED_AUTO_PTR
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# define FG_MEMBER_TEMPLATES
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# define FG_NAMESPACES
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# define FG_HAVE_STD
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# define FG_HAVE_STREAMBUF
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# define FG_CLASS_PARTIAL_SPECIALIZATION
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# define STL_ALGORITHM <algorithm>
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# define STL_FUNCTIONAL <functional>
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# define STL_IOMANIP <iomanip>
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# define STL_IOSTREAM <iostream>
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# define STL_STDEXCEPT <stdexcept>
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# define STL_STRING <string>
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# define STL_STRSTREAM <strstream>
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# endif
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# else
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# error Time to upgrade. GNU compilers < 2.7 not supported
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# endif
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#endif
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//
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// Metrowerks
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//
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#if defined(__MWERKS__)
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/*
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CodeWarrior compiler from Metrowerks, Inc.
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*/
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# if (__MWERKS__ < 0x0900) //|| macintosh
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# define FG_HAVE_TRAITS
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# define FG_HAVE_STD_INCLUDES
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# define FG_HAVE_STD
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# define FG_NAMESPACES
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# define STL_ALGORITHM <algorithm>
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# define STL_FUNCTIONAL <functional>
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# define STL_IOMANIP <iomanip>
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# define STL_IOSTREAM <iostream>
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# define STL_STDEXCEPT <stdexcept>
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# define STL_STRING <string>
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// Temp:
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# define bcopy(from, to, n) memcpy(to, from, n)
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// -rp- please use FG_MEM_COPY everywhere !
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# define FG_MEM_COPY(to,from,n) memcpy(to, from, n)
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# elif (__MWERKS__ >= 0x0900) && __INTEL__
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# error still to be supported...
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# else
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# error unknown Metrowerks compiler
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# endif
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#endif
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//
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// Microsoft compilers.
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//
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#ifdef _MSC_VER
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# if _MSC_VER == 1200 // msvc++ 6.0
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# define FG_NAMESPACES
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# define FG_HAVE_STD
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# define FG_HAVE_STD_INCLUDES
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# define FG_HAVE_STREAMBUF
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# define STL_ALGORITHM <algorithm>
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# define STL_FUNCTIONAL <functional>
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# define STL_IOMANIP <iomanip>
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# define STL_IOSTREAM <iostream>
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# define STL_STDEXCEPT <stdexcept>
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# define STL_STRING <string>
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# define STL_STRSTREAM <strstream>
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# pragma warning(disable: 4786) // identifier was truncated to '255' characters
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# pragma warning(disable: 4244) // conversion from double to float
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# pragma warning(disable: 4305) //
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# elif _MSC_VER == 1100 // msvc++ 5.0
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# error MSVC++ 5.0 still to be supported...
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# else
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# error What version of MSVC++ is this?
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# endif
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#endif
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#ifdef __BORLANDC__
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# if defined(HAVE_SGI_STL_PORT)
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// Use quotes around long file names to get around Borland's include hackery
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# define STL_ALGORITHM "algorithm"
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# define STL_FUNCTIONAL "functional"
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# define FG_MATH_EXCEPTION_CLASH
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# else
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# define STL_ALGORITHM <algorithm>
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# define STL_FUNCTIONAL <functional>
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# define STL_IOMANIP <iomanip>
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# define STL_STDEXCEPT <stdexcept>
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# define STL_STRSTREAM <strstream>
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# define FG_INCOMPLETE_FUNCTIONAL
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# endif // HAVE_SGI_STL_PORT
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# define STL_IOSTREAM <iostream>
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# define STL_STRING <string>
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# define FG_NO_DEFAULT_TEMPLATE_ARGS
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# define FG_NAMESPACES
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// # define FG_HAVE_STD
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#endif // __BORLANDC__
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//
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// Native SGI compilers
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//
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#if defined ( sgi ) && !defined( __GNUC__ )
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# define FG_HAVE_NATIVE_SGI_COMPILERS
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# define FG_EXPLICIT_FUNCTION_TMPL_ARGS
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# define FG_NEED_AUTO_PTR
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# define FG_MEMBER_TEMPLATES
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# define FG_NAMESPACES
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# define FG_HAVE_STD
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# define FG_CLASS_PARTIAL_SPECIALIZATION
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# define STL_ALGORITHM <algorithm>
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# define STL_FUNCTIONAL <functional>
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# define STL_IOMANIP <iomanip>
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# define STL_IOSTREAM <iostream.h>
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# define STL_STDEXCEPT <stdexcept>
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# define STL_STRING <string>
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# define STL_STRSTREAM <strstream>
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#endif // Native SGI compilers
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#if defined ( sun )
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# include <memory.h>
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# if defined ( __cplusplus )
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// typedef unsigned int size_t;
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extern "C" {
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extern void *memmove(void *, const void *, size_t);
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}
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# else
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extern void *memmove(void *, const void *, size_t);
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# endif // __cplusplus
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#endif // sun
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//
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// No user modifiable definitions beyond here.
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//
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#ifdef FG_NEED_EXPLICIT
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# define explicit
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#endif
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#ifdef FG_NEED_TYPENAME
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# define typename
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#endif
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#ifdef FG_NEED_MUTABLE
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# define mutable
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#endif
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#ifdef FG_NEED_BOOL
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typedef int bool;
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# define true 1
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# define false 0
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#endif
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#ifdef FG_EXPLICIT_FUNCTION_TMPL_ARGS
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# define FG_NULL_TMPL_ARGS <>
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#else
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# define FG_NULL_TMPL_ARGS
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#endif
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#ifdef FG_CLASS_PARTIAL_SPECIALIZATION
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# define FG_TEMPLATE_NULL template<>
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#else
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# define FG_TEMPLATE_NULL
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#endif
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// FG_NO_NAMESPACES is a hook so that users can disable namespaces
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// without having to edit library headers.
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#if defined(FG_NAMESPACES) && !defined(FG_NO_NAMESPACES)
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# define FG_NAMESPACE(X) namespace X {
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# define FG_NAMESPACE_END }
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# define FG_USING_NAMESPACE(X) using namespace X
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# else
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# define FG_NAMESPACE(X)
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# define FG_NAMESPACE_END
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# define FG_USING_NAMESPACE(X)
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#endif
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# ifdef FG_HAVE_STD
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# define FG_USING_STD(X) using std::X
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# define STD std
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# else
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# define FG_USING_STD(X)
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# define STD
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# endif
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// Additional <functional> implementation from SGI STL 3.11
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// Adapter function objects: pointers to member functions
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#ifdef FG_INCOMPLETE_FUNCTIONAL
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template <class _Ret, class _Tp>
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class const_mem_fun_ref_t
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#ifndef __BORLANDC__
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: public unary_function<_Tp,_Ret>
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#endif // __BORLANDC__
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{
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public:
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explicit const_mem_fun_ref_t(_Ret (_Tp::*__pf)() const) : _M_f(__pf) {}
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_Ret operator()(const _Tp& __r) const { return (__r.*_M_f)(); }
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private:
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_Ret (_Tp::*_M_f)() const;
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};
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template <class _Ret, class _Tp>
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inline const_mem_fun_ref_t<_Ret,_Tp> mem_fun_ref(_Ret (_Tp::*__f)() const)
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{ return const_mem_fun_ref_t<_Ret,_Tp>(__f); }
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#endif // FG_INCOMPLETE_FUNCTIONAL
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#endif // _COMPILER_H
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