1 /***************************************************************************/
5 /* UNIX-specific configuration file (specification only). */
7 /* Copyright 1996-2004, 2006-2009, 2011, 2013, 2014 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 `builds/<system>', and contains */
31 /* system-specific files that are always included first when building */
34 /*************************************************************************/
37 #ifndef __FTCONFIG_H__
38 #define __FTCONFIG_H__
41 #include FT_CONFIG_OPTIONS_H
42 #include FT_CONFIG_STANDARD_LIBRARY_H
48 /*************************************************************************/
50 /* PLATFORM-SPECIFIC CONFIGURATION MACROS */
52 /* These macros can be toggled to suit a specific system. The current */
53 /* ones are defaults used to compile FreeType in an ANSI C environment */
54 /* (16bit compilers are also supported). Copy this file to your own */
55 /* `builds/<system>' directory, and edit it to port the engine. */
57 /*************************************************************************/
65 /* There are systems (like the Texas Instruments 'C54x) where a `char' */
66 /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
67 /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
68 /* is probably unexpected. */
70 /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
74 #define FT_CHAR_BIT CHAR_BIT
78 #undef FT_USE_AUTOCONF_SIZEOF_TYPES
79 #ifdef FT_USE_AUTOCONF_SIZEOF_TYPES
83 #define FT_SIZEOF_INT SIZEOF_INT
84 #define FT_SIZEOF_LONG SIZEOF_LONG
86 #else /* !FT_USE_AUTOCONF_SIZEOF_TYPES */
88 /* Following cpp computation of the bit length of int and long */
89 /* is copied from default include/config/ftconfig.h. */
90 /* If any improvement is required for this file, it should be */
91 /* applied to the original header file for the builders that */
92 /* does not use configure script. */
94 /* The size of an `int' type. */
95 #if FT_UINT_MAX == 0xFFFFUL
96 #define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
97 #elif FT_UINT_MAX == 0xFFFFFFFFUL
98 #define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
99 #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
100 #define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
102 #error "Unsupported size of `int' type!"
105 /* The size of a `long' type. A five-byte `long' (as used e.g. on the */
106 /* DM642) is recognized but avoided. */
107 #if FT_ULONG_MAX == 0xFFFFFFFFUL
108 #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
109 #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
110 #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
111 #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
112 #define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
114 #error "Unsupported size of `long' type!"
117 #endif /* !FT_USE_AUTOCONF_SIZEOF_TYPES */
120 /* FT_UNUSED is a macro used to indicate that a given parameter is not */
121 /* used -- this is only used to get rid of unpleasant compiler warnings */
123 #define FT_UNUSED( arg ) ( (arg) = (arg) )
127 /*************************************************************************/
129 /* AUTOMATIC CONFIGURATION MACROS */
131 /* These macros are computed from the ones defined above. Don't touch */
132 /* their definition, unless you know precisely what you are doing. No */
133 /* porter should need to mess with them. */
135 /*************************************************************************/
138 /*************************************************************************/
142 /* This is the only necessary change, so it is defined here instead */
143 /* providing a new configuration file. */
145 #if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) )
146 /* no Carbon frameworks for 64bit 10.4.x */
147 /* AvailabilityMacros.h is available since Mac OS X 10.2, */
148 /* so guess the system version by maximum errno before inclusion */
150 #ifdef ECANCELED /* defined since 10.2 */
151 #include "AvailabilityMacros.h"
153 #if defined( __LP64__ ) && \
154 ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
158 #elif defined( __SC__ ) || defined( __MRC__ )
159 /* Classic MacOS compilers */
160 #include "ConditionalMacros.h"
162 #define FT_MACINTOSH 1
168 /* Fix compiler warning with sgi compiler */
169 #if defined( __sgi ) && !defined( __GNUC__ )
170 #if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 )
171 #pragma set woff 3505
176 /*************************************************************************/
181 /*************************************************************************/
184 /*************************************************************************/
190 /* A typedef for a 16bit signed integer type. */
192 typedef signed short FT_Int16;
195 /*************************************************************************/
201 /* A typedef for a 16bit unsigned integer type. */
203 typedef unsigned short FT_UInt16;
208 /* this #if 0 ... #endif clause is for documentation purposes */
211 /*************************************************************************/
217 /* A typedef for a 32bit signed integer type. The size depends on */
218 /* the configuration. */
220 typedef signed XXX FT_Int32;
223 /*************************************************************************/
228 /* A typedef for a 32bit unsigned integer type. The size depends on */
229 /* the configuration. */
231 typedef unsigned XXX FT_UInt32;
234 /*************************************************************************/
239 /* A typedef for a 64bit signed integer type. The size depends on */
240 /* the configuration. Only defined if there is real 64bit support; */
241 /* otherwise, it gets emulated with a structure (if necessary). */
243 typedef signed XXX FT_Int64;
246 /*************************************************************************/
251 /* A typedef for a 64bit unsigned integer type. The size depends on */
252 /* the configuration. Only defined if there is real 64bit support; */
253 /* otherwise, it gets emulated with a structure (if necessary). */
255 typedef unsigned XXX FT_UInt64;
261 #if FT_SIZEOF_INT == 4
263 typedef signed int FT_Int32;
264 typedef unsigned int FT_UInt32;
266 #elif FT_SIZEOF_LONG == 4
268 typedef signed long FT_Int32;
269 typedef unsigned long FT_UInt32;
272 #error "no 32bit type found -- please check your configuration files"
276 /* look up an integer type that is at least 32 bits */
277 #if FT_SIZEOF_INT >= 4
280 typedef unsigned int FT_UFast;
282 #elif FT_SIZEOF_LONG >= 4
284 typedef long FT_Fast;
285 typedef unsigned long FT_UFast;
290 /* determine whether we have a 64-bit int type for platforms without */
292 #if FT_SIZEOF_LONG == 8
294 /* FT_LONG64 must be defined if a 64-bit type is available */
296 #define FT_INT64 long
297 #define FT_UINT64 unsigned long
299 /*************************************************************************/
301 /* A 64-bit data type may create compilation problems if you compile */
302 /* in strict ANSI mode. To avoid them, we disable other 64-bit data */
303 /* types if __STDC__ is defined. You can however ignore this rule */
304 /* by defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
306 #elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 )
308 #if defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
310 /* this compiler provides the __int64 type */
312 #define FT_INT64 __int64
313 #define FT_UINT64 unsigned __int64
315 #elif defined( __BORLANDC__ ) /* Borland C++ */
317 /* XXXX: We should probably check the value of __BORLANDC__ in order */
318 /* to test the compiler version. */
320 /* this compiler provides the __int64 type */
322 #define FT_INT64 __int64
323 #define FT_UINT64 unsigned __int64
325 #elif defined( __WATCOMC__ ) /* Watcom C++ */
327 /* Watcom doesn't provide 64-bit data types */
329 #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */
332 #define FT_INT64 long long int
333 #define FT_UINT64 unsigned long long int
335 #elif defined( __GNUC__ )
337 /* GCC provides the `long long' type */
339 #define FT_INT64 long long int
340 #define FT_UINT64 unsigned long long int
342 #endif /* _MSC_VER */
344 #endif /* FT_SIZEOF_LONG == 8 */
347 typedef FT_INT64 FT_Int64;
348 typedef FT_UINT64 FT_UInt64;
352 #define FT_BEGIN_STMNT do {
353 #define FT_END_STMNT } while ( 0 )
354 #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
357 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
359 #define FT_LOCAL( x ) static x
360 #define FT_LOCAL_DEF( x ) static x
365 #define FT_LOCAL( x ) extern "C" x
366 #define FT_LOCAL_DEF( x ) extern "C" x
368 #define FT_LOCAL( x ) extern x
369 #define FT_LOCAL_DEF( x ) x
372 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
374 #define FT_LOCAL_ARRAY( x ) extern const x
375 #define FT_LOCAL_ARRAY_DEF( x ) const x
381 #define FT_BASE( x ) extern "C" x
383 #define FT_BASE( x ) extern x
386 #endif /* !FT_BASE */
392 #define FT_BASE_DEF( x ) x
394 #define FT_BASE_DEF( x ) x
397 #endif /* !FT_BASE_DEF */
403 #define FT_EXPORT( x ) extern "C" x
405 #define FT_EXPORT( x ) extern x
408 #endif /* !FT_EXPORT */
411 #ifndef FT_EXPORT_DEF
414 #define FT_EXPORT_DEF( x ) extern "C" x
416 #define FT_EXPORT_DEF( x ) extern x
419 #endif /* !FT_EXPORT_DEF */
422 #ifndef FT_EXPORT_VAR
425 #define FT_EXPORT_VAR( x ) extern "C" x
427 #define FT_EXPORT_VAR( x ) extern x
430 #endif /* !FT_EXPORT_VAR */
432 /* The following macros are needed to compile the library with a */
433 /* C++ compiler and with 16bit compilers. */
436 /* This is special. Within C++, you must specify `extern "C"' for */
437 /* functions which are used via function pointers, and you also */
438 /* must do that for structures which contain function pointers to */
439 /* assure C linkage -- it's not possible to have (local) anonymous */
440 /* functions which are accessed by (global) function pointers. */
443 /* FT_CALLBACK_DEF is used to _define_ a callback function. */
445 /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
446 /* contains pointers to callback functions. */
448 /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
449 /* that contains pointers to callback functions. */
452 /* Some 16bit compilers have to redefine these macros to insert */
453 /* the infamous `_cdecl' or `__fastcall' declarations. */
455 #ifndef FT_CALLBACK_DEF
457 #define FT_CALLBACK_DEF( x ) extern "C" x
459 #define FT_CALLBACK_DEF( x ) static x
461 #endif /* FT_CALLBACK_DEF */
463 #ifndef FT_CALLBACK_TABLE
465 #define FT_CALLBACK_TABLE extern "C"
466 #define FT_CALLBACK_TABLE_DEF extern "C"
468 #define FT_CALLBACK_TABLE extern
469 #define FT_CALLBACK_TABLE_DEF /* nothing */
471 #endif /* FT_CALLBACK_TABLE */
477 #endif /* __FTCONFIG_H__ */