1 /***************************************************************************/
5 /* ANSI-specific configuration file (specification only). */
7 /* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
10 /* This file is part of the FreeType project, and may only be used, */
11 /* modified, and distributed under the terms of the FreeType project */
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13 /* this file you indicate that you have read the license and */
14 /* understand and accept it fully. */
16 /***************************************************************************/
19 /*************************************************************************/
21 /* This header file contains a number of macro definitions that are used */
22 /* by the rest of the engine. Most of the macros here are automatically */
23 /* determined at compile time, and you should not need to change it to */
24 /* port FreeType, except to compile the library with a non-ANSI */
27 /* Note however that if some specific modifications are needed, we */
28 /* advise you to place a modified copy in your build directory. */
30 /* The build directory is usually `freetype/builds/<system>', and */
31 /* contains system-specific files that are always included first when */
32 /* building the library. */
34 /* This ANSI version should stay in `include/freetype/config'. */
36 /*************************************************************************/
39 #ifndef __FTCONFIG_H__
40 #define __FTCONFIG_H__
43 #include FT_CONFIG_OPTIONS_H
44 #include FT_CONFIG_STANDARD_LIBRARY_H
49 /*************************************************************************/
51 /* PLATFORM-SPECIFIC CONFIGURATION MACROS */
53 /* These macros can be toggled to suit a specific system. The current */
54 /* ones are defaults used to compile FreeType in an ANSI C environment */
55 /* (16bit compilers are also supported). Copy this file to your own */
56 /* `freetype/builds/<system>' directory, and edit it to port the engine. */
58 /*************************************************************************/
61 /* There are systems (like the Texas Instruments 'C54x) where a `char' */
62 /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
63 /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
64 /* is probably unexpected. */
66 /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
70 #define FT_CHAR_BIT CHAR_BIT
74 /* The size of an `int' type. */
75 #if FT_UINT_MAX == 0xFFFFUL
76 #define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
77 #elif FT_UINT_MAX == 0xFFFFFFFFUL
78 #define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
79 #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
80 #define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
82 #error "Unsupported size of `int' type!"
85 /* The size of a `long' type. A five-byte `long' (as used e.g. on the */
86 /* DM642) is recognized but avoided. */
87 #if FT_ULONG_MAX == 0xFFFFFFFFUL
88 #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
89 #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
90 #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
91 #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
92 #define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
94 #error "Unsupported size of `long' type!"
98 /* Preferred alignment of data */
99 #define FT_ALIGNMENT 8
102 /* FT_UNUSED is a macro used to indicate that a given parameter is not */
103 /* used -- this is only used to get rid of unpleasant compiler warnings */
105 #define FT_UNUSED( arg ) ( (arg) = (arg) )
109 /*************************************************************************/
111 /* AUTOMATIC CONFIGURATION MACROS */
113 /* These macros are computed from the ones defined above. Don't touch */
114 /* their definition, unless you know precisely what you are doing. No */
115 /* porter should need to mess with them. */
117 /*************************************************************************/
120 /*************************************************************************/
124 /* This is the only necessary change, so it is defined here instead */
125 /* providing a new configuration file. */
127 #if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \
128 ( defined( __MWERKS__ ) && defined( macintosh ) )
129 /* no Carbon frameworks for 64bit 10.4.x */
130 #include "AvailabilityMacros.h"
131 #if defined( __LP64__ ) && \
132 ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
133 #define DARWIN_NO_CARBON 1
135 #define FT_MACINTOSH 1
140 /*************************************************************************/
144 /* Used to guarantee the size of some specific integers. */
146 typedef signed short FT_Int16
;
147 typedef unsigned short FT_UInt16
;
149 #if FT_SIZEOF_INT == (32 / FT_CHAR_BIT)
151 typedef signed int FT_Int32
;
152 typedef unsigned int FT_UInt32
;
154 #elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
156 typedef signed long FT_Int32
;
157 typedef unsigned long FT_UInt32
;
160 #error "no 32bit type found -- please check your configuration files"
163 /* look up an integer type that is at least 32 bits */
164 #if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
167 typedef unsigned int FT_UFast
;
169 #elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
171 typedef long FT_Fast
;
172 typedef unsigned long FT_UFast
;
177 /* determine whether we have a 64-bit int type for platforms without */
179 #if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT)
181 /* FT_LONG64 must be defined if a 64-bit type is available */
183 #define FT_INT64 long
185 #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
187 /* this compiler provides the __int64 type */
189 #define FT_INT64 __int64
191 #elif defined( __BORLANDC__ ) /* Borland C++ */
193 /* XXXX: We should probably check the value of __BORLANDC__ in order */
194 /* to test the compiler version. */
196 /* this compiler provides the __int64 type */
198 #define FT_INT64 __int64
200 #elif defined( __WATCOMC__ ) /* Watcom C++ */
202 /* Watcom doesn't provide 64-bit data types */
204 #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */
207 #define FT_INT64 long long int
209 #elif defined( __GNUC__ )
211 /* GCC provides the `long long' type */
213 #define FT_INT64 long long int
215 #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
218 #define FT_BEGIN_STMNT do {
219 #define FT_END_STMNT } while ( 0 )
220 #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
223 /*************************************************************************/
225 /* A 64-bit data type will create compilation problems if you compile */
226 /* in strict ANSI mode. To avoid them, we disable their use if */
227 /* __STDC__ is defined. You can however ignore this rule by */
228 /* defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
230 #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
234 /* undefine the 64-bit macros in strict ANSI compilation mode */
238 #endif /* __STDC__ */
240 #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
243 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
245 #define FT_LOCAL( x ) static x
246 #define FT_LOCAL_DEF( x ) static x
251 #define FT_LOCAL( x ) extern "C" x
252 #define FT_LOCAL_DEF( x ) extern "C" x
254 #define FT_LOCAL( x ) extern x
255 #define FT_LOCAL_DEF( x ) x
258 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
264 #define FT_BASE( x ) extern "C" x
266 #define FT_BASE( x ) extern x
269 #endif /* !FT_BASE */
275 #define FT_BASE_DEF( x ) x
277 #define FT_BASE_DEF( x ) x
280 #endif /* !FT_BASE_DEF */
286 #define FT_EXPORT( x ) extern "C" x
288 #define FT_EXPORT( x ) extern x
291 #endif /* !FT_EXPORT */
294 #ifndef FT_EXPORT_DEF
297 #define FT_EXPORT_DEF( x ) extern "C" x
299 #define FT_EXPORT_DEF( x ) extern x
302 #endif /* !FT_EXPORT_DEF */
305 #ifndef FT_EXPORT_VAR
308 #define FT_EXPORT_VAR( x ) extern "C" x
310 #define FT_EXPORT_VAR( x ) extern x
313 #endif /* !FT_EXPORT_VAR */
315 /* The following macros are needed to compile the library with a */
316 /* C++ compiler and with 16bit compilers. */
319 /* This is special. Within C++, you must specify `extern "C"' for */
320 /* functions which are used via function pointers, and you also */
321 /* must do that for structures which contain function pointers to */
322 /* assure C linkage -- it's not possible to have (local) anonymous */
323 /* functions which are accessed by (global) function pointers. */
326 /* FT_CALLBACK_DEF is used to _define_ a callback function. */
328 /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
329 /* contains pointers to callback functions. */
331 /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
332 /* that contains pointers to callback functions. */
335 /* Some 16bit compilers have to redefine these macros to insert */
336 /* the infamous `_cdecl' or `__fastcall' declarations. */
338 #ifndef FT_CALLBACK_DEF
340 #define FT_CALLBACK_DEF( x ) extern "C" x
342 #define FT_CALLBACK_DEF( x ) static x
344 #endif /* FT_CALLBACK_DEF */
346 #ifndef FT_CALLBACK_TABLE
348 #define FT_CALLBACK_TABLE extern "C"
349 #define FT_CALLBACK_TABLE_DEF extern "C"
351 #define FT_CALLBACK_TABLE extern
352 #define FT_CALLBACK_TABLE_DEF /* nothing */
354 #endif /* FT_CALLBACK_TABLE */
360 #endif /* __FTCONFIG_H__ */