include/begin_code.h
author Ryan C. Gordon <icculus@icculus.org>
Fri, 15 Jun 2007 07:19:05 +0000
branchSDL-1.2
changeset 3965 19d708301fab
parent 1621 f12379c41042
child 3975 e85e65aec22f
permissions -rw-r--r--
Make sure __inline__ isn't defined before #defining it, since some compilers
(like Sun Studio) have this as a predefined macro.

Fixes Bugzilla #434.
slouken@0
     1
/*
slouken@0
     2
    SDL - Simple DirectMedia Layer
slouken@769
     3
    Copyright (C) 1997-2004 Sam Lantinga
slouken@0
     4
slouken@0
     5
    This library is free software; you can redistribute it and/or
slouken@0
     6
    modify it under the terms of the GNU Library General Public
slouken@0
     7
    License as published by the Free Software Foundation; either
slouken@0
     8
    version 2 of the License, or (at your option) any later version.
slouken@0
     9
slouken@0
    10
    This library is distributed in the hope that it will be useful,
slouken@0
    11
    but WITHOUT ANY WARRANTY; without even the implied warranty of
slouken@0
    12
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
slouken@0
    13
    Library General Public License for more details.
slouken@0
    14
slouken@0
    15
    You should have received a copy of the GNU Library General Public
slouken@0
    16
    License along with this library; if not, write to the Free
slouken@0
    17
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
slouken@0
    18
slouken@0
    19
    Sam Lantinga
slouken@251
    20
    slouken@libsdl.org
slouken@0
    21
*/
slouken@0
    22
slouken@0
    23
/* This file sets things up for C dynamic library function definitions,
slouken@0
    24
   static inlined functions, and structures aligned at 4-byte alignment.
slouken@0
    25
   If you don't like ugly C preprocessor code, don't look at this file. :)
slouken@0
    26
*/
slouken@0
    27
slouken@0
    28
/* This shouldn't be nested -- included it around code only. */
slouken@0
    29
#ifdef _begin_code_h
slouken@0
    30
#error Nested inclusion of begin_code.h
slouken@0
    31
#endif
slouken@0
    32
#define _begin_code_h
slouken@0
    33
slouken@0
    34
/* Some compilers use a special export keyword */
slouken@0
    35
#ifndef DECLSPEC
slouken@1574
    36
# if defined(__BEOS__)
slouken@0
    37
#  if defined(__GNUC__)
slouken@0
    38
#   define DECLSPEC	__declspec(dllexport)
slouken@0
    39
#  else
slouken@0
    40
#   define DECLSPEC	__declspec(export)
slouken@0
    41
#  endif
slouken@1574
    42
# elif defined(__WIN32__)
slouken@274
    43
#  ifdef __BORLANDC__
slouken@274
    44
#   ifdef BUILD_SDL
slouken@636
    45
#    define DECLSPEC 
slouken@274
    46
#   else
slouken@1574
    47
#    define DECLSPEC	__declspec(dllimport)
slouken@274
    48
#   endif
slouken@274
    49
#  else
slouken@274
    50
#   define DECLSPEC	__declspec(dllexport)
slouken@274
    51
#  endif
slouken@1574
    52
# elif defined(__OS2__)
icculus@1190
    53
#  ifdef __WATCOMC__
icculus@1190
    54
#   ifdef BUILD_SDL
slouken@1574
    55
#    define DECLSPEC	__declspec(dllexport)
icculus@1190
    56
#   else
slouken@1574
    57
#    define DECLSPEC
slouken@1574
    58
#   endif
icculus@1190
    59
#  else
icculus@1190
    60
#   define DECLSPEC
icculus@1190
    61
#  endif
icculus@1190
    62
# else
slouken@1595
    63
#  if defined(__GNUC__) && __GNUC__ >= 4
slouken@1574
    64
#   define DECLSPEC	__attribute__ ((visibility("default")))
slouken@1574
    65
#  else
slouken@1574
    66
#   define DECLSPEC
slouken@1574
    67
#  endif
slouken@0
    68
# endif
slouken@0
    69
#endif
slouken@0
    70
slouken@337
    71
/* By default SDL uses the C calling convention */
slouken@337
    72
#ifndef SDLCALL
slouken@1402
    73
#if defined(__WIN32__) && !defined(__GNUC__)
slouken@337
    74
#define SDLCALL __cdecl
slouken@337
    75
#else
icculus@1190
    76
#ifdef __OS2__
icculus@1190
    77
/* But on OS/2, we use the _System calling convention */
icculus@1190
    78
/* to be compatible with every compiler */
icculus@1190
    79
#define SDLCALL _System
icculus@1190
    80
#else
slouken@337
    81
#define SDLCALL
slouken@337
    82
#endif
icculus@1190
    83
#endif
slouken@337
    84
#endif /* SDLCALL */
slouken@337
    85
slouken@173
    86
/* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */
slouken@173
    87
#ifdef __SYMBIAN32__ 
slouken@173
    88
#undef DECLSPEC
slouken@173
    89
#define DECLSPEC
slouken@187
    90
#endif /* __SYMBIAN32__ */
slouken@173
    91
slouken@0
    92
/* Force structure packing at 4 byte alignment.
slouken@0
    93
   This is necessary if the header is included in code which has structure
slouken@0
    94
   packing set to an alternate value, say for loading structures from disk.
slouken@0
    95
   The packing is reset to the previous value in close_code.h
slouken@0
    96
 */
slouken@288
    97
#if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__)
slouken@0
    98
#ifdef _MSC_VER
slouken@0
    99
#pragma warning(disable: 4103)
slouken@0
   100
#endif
slouken@0
   101
#ifdef __BORLANDC__
slouken@0
   102
#pragma nopackwarning
slouken@0
   103
#endif
slouken@195
   104
#pragma pack(push,4)
slouken@1402
   105
#elif (defined(__MWERKS__) && defined(__MACOS__))
slouken@189
   106
#pragma options align=mac68k4byte
slouken@189
   107
#pragma enumsalwaysint on
slouken@0
   108
#endif /* Compiler needs structure packing set */
slouken@0
   109
slouken@0
   110
/* Set up compiler-specific options for inlining functions */
slouken@0
   111
#ifndef SDL_INLINE_OKAY
slouken@0
   112
#ifdef __GNUC__
slouken@0
   113
#define SDL_INLINE_OKAY
slouken@0
   114
#else
slouken@0
   115
/* Add any special compiler-specific cases here */
slouken@288
   116
#if defined(_MSC_VER) || defined(__BORLANDC__) || \
slouken@288
   117
    defined(__DMC__) || defined(__SC__) || \
slouken@1019
   118
    defined(__WATCOMC__) || defined(__LCC__) || \
slouken@1019
   119
    defined(__DECC)
slouken@288
   120
#ifndef __inline__
slouken@85
   121
#define __inline__	__inline
slouken@288
   122
#endif
slouken@85
   123
#define SDL_INLINE_OKAY
slouken@85
   124
#else
slouken@85
   125
#if !defined(__MRC__) && !defined(_SGI_SOURCE)
icculus@3965
   126
#ifndef __inline__
slouken@0
   127
#define __inline__ inline
icculus@3965
   128
#endif
slouken@0
   129
#define SDL_INLINE_OKAY
slouken@0
   130
#endif /* Not a funky compiler */
slouken@85
   131
#endif /* Visual C++ */
slouken@0
   132
#endif /* GNU C */
slouken@0
   133
#endif /* SDL_INLINE_OKAY */
slouken@0
   134
slouken@0
   135
/* If inlining isn't supported, remove "__inline__", turning static
slouken@0
   136
   inlined functions into static functions (resulting in code bloat
slouken@0
   137
   in all files which include the offending header files)
slouken@0
   138
*/
slouken@0
   139
#ifndef SDL_INLINE_OKAY
slouken@0
   140
#define __inline__
slouken@0
   141
#endif
slouken@0
   142
slouken@288
   143
/* Apparently this is needed by several Windows compilers */
slouken@346
   144
#if !defined(__MACH__)
slouken@288
   145
#ifndef NULL
slouken@288
   146
#ifdef __cplusplus
slouken@288
   147
#define NULL 0
slouken@288
   148
#else
slouken@288
   149
#define NULL ((void *)0)
slouken@288
   150
#endif
slouken@288
   151
#endif /* NULL */
slouken@1621
   152
#endif /* ! Mac OS X - breaks precompiled headers */