Mercurial > sdl-ios-xcode
annotate include/begin_code.h @ 3328:7da18fe4cdd9
Reminder to investigate upgrading libtool to fix bug #499
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 29 Sep 2009 06:33:33 +0000 |
| parents | 245a7d79577c |
| children | d3baf5ac4e37 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 2859 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* This file sets things up for C dynamic library function definitions, | |
| 24 static inlined functions, and structures aligned at 4-byte alignment. | |
| 25 If you don't like ugly C preprocessor code, don't look at this file. :) | |
| 26 */ | |
| 27 | |
| 28 /* This shouldn't be nested -- included it around code only. */ | |
| 29 #ifdef _begin_code_h | |
| 30 #error Nested inclusion of begin_code.h | |
| 31 #endif | |
| 32 #define _begin_code_h | |
| 33 | |
| 34 /* Some compilers use a special export keyword */ | |
| 35 #ifndef DECLSPEC | |
| 3292 | 36 # if defined(__BEOS__) || defined(__HAIKU__) |
| 0 | 37 # if defined(__GNUC__) |
| 38 # define DECLSPEC __declspec(dllexport) | |
| 39 # else | |
| 40 # define DECLSPEC __declspec(export) | |
| 41 # endif | |
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42 # elif defined(__WIN32__) |
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43 # ifdef __BORLANDC__ |
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44 # ifdef BUILD_SDL |
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45 # define DECLSPEC |
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46 # else |
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47 # define DECLSPEC __declspec(dllimport) |
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48 # endif |
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49 # else |
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50 # define DECLSPEC __declspec(dllexport) |
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51 # endif |
| 1190 | 52 # else |
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53 # if defined(__GNUC__) && __GNUC__ >= 4 |
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54 # define DECLSPEC __attribute__ ((visibility("default"))) |
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55 # else |
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56 # define DECLSPEC |
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57 # endif |
| 0 | 58 # endif |
| 59 #endif | |
| 60 | |
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61 /* By default SDL uses the C calling convention */ |
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62 #ifndef SDLCALL |
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63 #if defined(__WIN32__) && !defined(__GNUC__) |
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64 #define SDLCALL __cdecl |
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65 #else |
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66 #define SDLCALL |
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67 #endif |
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68 #endif /* SDLCALL */ |
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69 |
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70 /* Removed DECLSPEC on Symbian OS because SDL cannot be a DLL in EPOC */ |
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71 #ifdef __SYMBIAN32__ |
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72 #undef DECLSPEC |
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73 #define DECLSPEC |
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74 #endif /* __SYMBIAN32__ */ |
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75 |
| 0 | 76 /* Force structure packing at 4 byte alignment. |
| 77 This is necessary if the header is included in code which has structure | |
| 78 packing set to an alternate value, say for loading structures from disk. | |
| 79 The packing is reset to the previous value in close_code.h | |
| 80 */ | |
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81 #if defined(_MSC_VER) || defined(__MWERKS__) || defined(__BORLANDC__) |
| 0 | 82 #ifdef _MSC_VER |
| 83 #pragma warning(disable: 4103) | |
| 84 #endif | |
| 85 #ifdef __BORLANDC__ | |
| 86 #pragma nopackwarning | |
| 87 #endif | |
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88 #pragma pack(push,4) |
| 0 | 89 #endif /* Compiler needs structure packing set */ |
| 90 | |
| 91 /* Set up compiler-specific options for inlining functions */ | |
| 92 #ifndef SDL_INLINE_OKAY | |
| 93 #ifdef __GNUC__ | |
| 94 #define SDL_INLINE_OKAY | |
| 95 #else | |
| 96 /* Add any special compiler-specific cases here */ | |
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97 #if defined(_MSC_VER) || defined(__BORLANDC__) || \ |
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98 defined(__DMC__) || defined(__SC__) || \ |
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99 defined(__WATCOMC__) || defined(__LCC__) || \ |
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100 defined(__DECC) |
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101 #ifndef __inline__ |
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102 #define __inline__ __inline |
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103 #endif |
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104 #define SDL_INLINE_OKAY |
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105 #else |
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106 #if !defined(__MRC__) && !defined(_SGI_SOURCE) |
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107 #ifndef __inline__ |
| 0 | 108 #define __inline__ inline |
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109 #endif |
| 0 | 110 #define SDL_INLINE_OKAY |
| 111 #endif /* Not a funky compiler */ | |
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112 #endif /* Visual C++ */ |
| 0 | 113 #endif /* GNU C */ |
| 114 #endif /* SDL_INLINE_OKAY */ | |
| 115 | |
| 116 /* If inlining isn't supported, remove "__inline__", turning static | |
| 117 inlined functions into static functions (resulting in code bloat | |
| 118 in all files which include the offending header files) | |
| 119 */ | |
| 120 #ifndef SDL_INLINE_OKAY | |
| 121 #define __inline__ | |
| 122 #endif | |
| 123 | |
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124 /* Apparently this is needed by several Windows compilers */ |
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125 #if !defined(__MACH__) |
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126 #ifndef NULL |
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127 #ifdef __cplusplus |
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128 #define NULL 0 |
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129 #else |
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130 #define NULL ((void *)0) |
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131 #endif |
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132 #endif /* NULL */ |
| 1621 | 133 #endif /* ! Mac OS X - breaks precompiled headers */ |