platform.h

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/**
* Name:        wx/platform.h
* Purpose:     define the OS and compiler identification macros
* Author:      Vadim Zeitlin
* Modified by:
* Created:     29.10.01 (extracted from wx/defs.h)
* RCS-ID:      $Id: platform.h,v 1.81.2.3 2006/01/18 10:25:00 JS Exp $
* Copyright:   (c) 1997-2001 Vadim Zeitlin
* Licence:     wxWindows licence
*/

/* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */

#ifndef _WX_PLATFORM_H_
#define _WX_PLATFORM_H_


/*
    Codewarrior doesn't define any Windows symbols until some headers
    are included
*/
#ifdef __MWERKS__
#    include <stddef.h>
#endif

/*
    WXMAC variants
    __WXMAC_CLASSIC__ means ppc non-carbon builds, __WXMAC_CARBON__ means
    carbon API available (mach or cfm builds) , __WXMAC_OSX__ means mach-o
    builds, running under 10.2 + only
*/
#ifdef __WXMAC__
#    if defined(__MACH__)
#        define __WXMAC_OSX__
#        define __WXMAC_CARBON__
#        ifdef __WXMAC_XCODE__
#            include <unistd.h>
#            include "wx/mac/carbon/config_xcode.h"
#        endif
#    else
#        if TARGET_CARBON
#            define __WXMAC_CARBON__
#        else
#            define __WXMAC_CLASSIC__
#        endif
#    endif
#endif

/*
    __WXOSX__ is a common define to wxMac (Carbon) and wxCocoa ports under OS X.
 */
#if defined(__WXMAC_OSX__) || defined(__WXCOCOA__)
#   define __WXOSX__
#endif

/*
   first define Windows symbols if they're not defined on the command line: we
   can autodetect everything we need if _WIN32 is defined
 */
#if defined(__CYGWIN__) && defined(__WINDOWS__)
#    ifndef __WXMSW__
#        define __WXMSW__
#    endif

#    ifndef _WIN32
#        define _WIN32
#    endif

#    ifndef WIN32
#        define WIN32
#    endif
#endif

#if defined(__PALMOS__)
#   ifndef __WXPALMOS__
#       define __WXPALMOS__
#   endif
#   ifdef __WXMSW__
#       undef __WXMSW__
#   endif
#   ifdef __WINDOWS__
#       undef __WINDOWS__
#   endif
#   ifdef __WIN32__
#       undef __WIN32__
#   endif
#   ifdef WIN32
#       undef WIN32
#   endif
#   ifdef _WIN32
#       undef _WIN32
#   endif
#endif

#if defined(_WIN64)
#    ifndef _WIN32
        /*
            a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
            Windows or to test for !__WIN16__, so we must define _WIN32 for
            Win64 as well to ensure that the existing code continues to work.
         */
#       define _WIN32
#   endif /* !_WIN32 */

#   ifndef __WIN64__
#       define __WIN64__
#   endif /* !__WIN64__ */
#endif /* _WIN64 */

#if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
    && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
#    ifndef __WXMSW__
#        define __WXMSW__
#    endif

#    ifndef __WIN32__
#        define __WIN32__
#    endif

    /* this means Win95-style UI, i.e. Win9x/NT 4+: always true now */
#    if !defined(__WIN95__)
#        define __WIN95__
#    endif
#endif /* Win32 */

#if defined(__WXMSW__) || defined(__WIN32__)
#   if !defined(__WINDOWS__)
#       define __WINDOWS__
#   endif
#endif

#ifdef __WINE__
#   ifndef __WIN95__
#       define __WIN95__
#   endif
#endif /* WINE */

/* detect MS SmartPhone */
#if defined( WIN32_PLATFORM_WFSP )
#   ifndef __SMARTPHONE__
#       define __SMARTPHONE__
#   endif
#   ifndef __WXWINCE__
#       define __WXWINCE__
#   endif
#endif

/* detect PocketPC */
#if defined( WIN32_PLATFORM_PSPC )
#   ifndef __POCKETPC__
#       define __POCKETPC__
#   endif
#   ifndef __WXWINCE__
#       define __WXWINCE__
#   endif
#endif

/* detect Standard WinCE SDK */
#if defined( WCE_PLATFORM_STANDARDSDK )
#   ifndef __WINCE_STANDARDSDK__
#       define __WINCE_STANDARDSDK__
#   endif
#   ifndef __WXWINCE__
#       define __WXWINCE__
#   endif
#endif

#if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
#   if (_WIN32_WCE >= 400)
#       ifndef __WINCE_NET__
#           define __WINCE_NET__
#       endif
#   elif (_WIN32_WCE >= 200)
#       ifndef __HANDHELDPC__
#           define __HANDHELDPC__
#       endif
#   endif
#   ifndef __WXWINCE__
#       define __WXWINCE__
#   endif
#endif

/*
   Include wx/setup.h for the Unix platform defines generated by configure and
   the library compilation options

   Note that it must be included before defining hardware symbols below as they
   could be already defined by configure
 */
#include "wx/setup.h"

/*
   Hardware platform detection.

   VC++ defines _M_xxx symbols.
 */
#if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
    #ifndef __INTEL__
        #define __INTEL__
    #endif
#endif /* x86 */

#if defined(_M_IA64)
    #ifndef __IA64__
        #define __IA64__
    #endif
#endif /* ia64 */

#if defined(_M_MPPC) || defined(__PPC__)
    #ifndef __POWERPC__
        #define __POWERPC__
    #endif
#endif /* alpha */

#if defined(_M_ALPHA) || defined(__AXP__)
    #ifndef __ALPHA__
        #define __ALPHA__
    #endif
#endif /* alpha */


/*
   adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
   and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
   the system headers so bring these settings in sync
 */

/* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
#if defined(_UNICODE) || defined(UNICODE)
#   undef wxUSE_UNICODE
#   define wxUSE_UNICODE 1
#else /* !UNICODE */
#   ifndef wxUSE_UNICODE
#       define wxUSE_UNICODE 0
#   endif
#endif /* UNICODE/!UNICODE */

/* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
#if wxUSE_UNICODE
#   ifndef _UNICODE
#       define _UNICODE
#   endif
#   ifndef UNICODE
#       define UNICODE
#   endif
#endif /* wxUSE_UNICODE */

#if defined( __MWERKS__ ) && !defined(__INTEL__)
/* otherwise MSL headers bring in WIN32 dependant APIs */
#undef UNICODE
#endif


/*
   This macro can be used to test the Open Watcom version.
*/
#ifndef __WATCOMC__
#   define wxWATCOM_VERSION(major,minor) 0
#   define wxCHECK_WATCOM_VERSION(major,minor) 0
#   define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
#else
#   define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
#   define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
#   define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
#endif

/*
   check the consistency of the settings in setup.h: note that this must be
   done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
 */
#include "wx/chkconf.h"


/*
   some compilers don't support iostream.h any longer, while some of theme
   are not updated with <iostream> yet, so override the users setting here
   in such case.
 */
#if defined(_MSC_VER) && (_MSC_VER >= 1310)
#    undef wxUSE_IOSTREAMH
#    define wxUSE_IOSTREAMH 0
#elif defined(__DMC__) || defined(__WATCOMC__)
#    undef wxUSE_IOSTREAMH
#    define wxUSE_IOSTREAMH 1
#elif defined(__MINGW32__)
#    undef wxUSE_IOSTREAMH
#    define wxUSE_IOSTREAMH 0
#endif /* compilers with/without iostream.h */

/*
   old C++ headers (like <iostream.h>) declare classes in the global namespace
   while the new, standard ones (like <iostream>) do it in std:: namespace,
   unless it's an old gcc version.

   using this macro allows constuctions like "wxSTD iostream" to work in
   either case
 */
#if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))