lib/3rdparty/freetype/include/config/ftconfig.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ftconfig.h                                                             */
   4 /*                                                                         */
   5 /*    ANSI-specific configuration file (specification only).               */
   6 /*                                                                         */
   7 /*  Copyright 1996-2004, 2006-2008, 2010-2011, 2013, 2014 by               */
   8 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
   9 /*                                                                         */
  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.                                        */
  15 /*                                                                         */
  16 /***************************************************************************/
  17
  18
  19   /*************************************************************************/
  20   /*                                                                       */
  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          */
  25   /* compiler.                                                             */
  26   /*                                                                       */
  27   /* Note however that if some specific modifications are needed, we       */
  28   /* advise you to place a modified copy in your build directory.          */
  29   /*                                                                       */
  30   /* The build directory is usually `builds/<system>', and contains        */
  31   /* system-specific files that are always included first when building    */
  32   /* the library.                                                          */
  33   /*                                                                       */
  34   /* This ANSI version should stay in `include/config/'.                   */
  35   /*                                                                       */
  36   /*************************************************************************/
  37
  38 #ifndef __FTCONFIG_H__
  39 #define __FTCONFIG_H__
  40
  41 #include <ft2build.h>
  42 #include FT_CONFIG_OPTIONS_H
  43 #include FT_CONFIG_STANDARD_LIBRARY_H
  44
  45
  46 FT_BEGIN_HEADER
  47
  48
  49   /*************************************************************************/
  50   /*                                                                       */
  51   /*               PLATFORM-SPECIFIC CONFIGURATION MACROS                  */
  52   /*                                                                       */
  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   /* `builds/<system>' directory, and edit it to port the engine.          */
  57   /*                                                                       */
  58   /*************************************************************************/
  59
  60
  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.                                             */
  65   /*                                                                     */
  66   /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a      */
  67   /* `char' type.                                                        */
  68
  69 #ifndef FT_CHAR_BIT
  70 #define FT_CHAR_BIT  CHAR_BIT
  71 #endif
  72
  73
  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)
  81 #else
  82 #error "Unsupported size of `int' type!"
  83 #endif
  84
  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)
  93 #else
  94 #error "Unsupported size of `long' type!"
  95 #endif
  96
  97
  98   /* FT_UNUSED is a macro used to indicate that a given parameter is not  */
  99   /* used -- this is only used to get rid of unpleasant compiler warnings */
 100 #ifndef FT_UNUSED
 101 #define FT_UNUSED( arg )  ( (arg) = (arg) )
 102 #endif
 103
 104
 105   /*************************************************************************/
 106   /*                                                                       */
 107   /*                     AUTOMATIC CONFIGURATION MACROS                    */
 108   /*                                                                       */
 109   /* These macros are computed from the ones defined above.  Don't touch   */
 110   /* their definition, unless you know precisely what you are doing.  No   */
 111   /* porter should need to mess with them.                                 */
 112   /*                                                                       */
 113   /*************************************************************************/
 114
 115
 116   /*************************************************************************/
 117   /*                                                                       */
 118   /* Mac support                                                           */
 119   /*                                                                       */
 120   /*   This is the only necessary change, so it is defined here instead    */
 121   /*   providing a new configuration file.                                 */
 122   /*                                                                       */
 123 #if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) )
 124   /* no Carbon frameworks for 64bit 10.4.x */
 125   /* AvailabilityMacros.h is available since Mac OS X 10.2,        */
 126   /* so guess the system version by maximum errno before inclusion */
 127 #include <errno.h>
 128 #ifdef ECANCELED /* defined since 10.2 */
 129 #include "AvailabilityMacros.h"
 130 #endif
 131 #if defined( __LP64__ ) && \
 132     ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
 133 #undef FT_MACINTOSH
 134 #endif
 135
 136 #elif defined( __SC__ ) || defined( __MRC__ )
 137   /* Classic MacOS compilers */
 138 #include "ConditionalMacros.h"
 139 #if TARGET_OS_MAC
 140 #define FT_MACINTOSH 1
 141 #endif
 142
 143 #endif
 144
 145
 146   /*************************************************************************/
 147   /*                                                                       */
 148   /* <Section>                                                             */
 149   /*    basic_types                                                        */
 150   /*                                                                       */
 151   /*************************************************************************/
 152
 153
 154   /*************************************************************************/
 155   /*                                                                       */
 156   /* <Type>                                                                */
 157   /*    FT_Int16                                                           */
 158   /*                                                                       */
 159   /* <Description>                                                         */
 160   /*    A typedef for a 16bit signed integer type.                         */
 161   /*                                                                       */
 162   typedef signed short  FT_Int16;
 163
 164
 165   /*************************************************************************/
 166   /*                                                                       */
 167   /* <Type>                                                                */
 168   /*    FT_UInt16                                                          */
 169   /*                                                                       */
 170   /* <Description>                                                         */
 171   /*    A typedef for a 16bit unsigned integer type.                       */
 172   /*                                                                       */
 173   typedef unsigned short  FT_UInt16;
 174
 175   /* */
 176
 177
 178   /* this #if 0 ... #endif clause is for documentation purposes */
 179 #if 0
 180
 181   /*************************************************************************/
 182   /*                                                                       */
 183   /* <Type>                                                                */
 184   /*    FT_Int32                                                           */
 185   /*                                                                       */
 186   /* <Description>                                                         */
 187   /*    A typedef for a 32bit signed integer type.  The size depends on    */
 188   /*    the configuration.                                                 */
 189   /*                                                                       */
 190   typedef signed XXX  FT_Int32;
 191
 192
 193   /*************************************************************************/
 194   /*                                                                       */
 195   /* <Type>                                                                */
 196   /*    FT_UInt32                                                          */
 197   /*                                                                       */
 198   /*    A typedef for a 32bit unsigned integer type.  The size depends on  */
 199   /*    the configuration.                                                 */
 200   /*                                                                       */
 201   typedef unsigned XXX  FT_UInt32;
 202
 203
 204   /*************************************************************************/
 205   /*                                                                       */
 206   /* <Type>                                                                */
 207   /*    FT_Int64                                                           */
 208   /*                                                                       */
 209   /*    A typedef for a 64bit signed integer type.  The size depends on    */
 210   /*    the configuration.  Only defined if there is real 64bit support;   */
 211   /*    otherwise, it gets emulated with a structure (if necessary).       */
 212   /*                                                                       */
 213   typedef signed XXX  FT_Int64;
 214
 215
 216   /*************************************************************************/
 217   /*                                                                       */
 218   /* <Type>                                                                */
 219   /*    FT_UInt64                                                          */
 220   /*                                                                       */
 221   /*    A typedef for a 64bit unsigned integer type.  The size depends on  */
 222   /*    the configuration.  Only defined if there is real 64bit support;   */
 223   /*    otherwise, it gets emulated with a structure (if necessary).       */
 224   /*                                                                       */
 225   typedef unsigned XXX  FT_UInt64;
 226
 227   /* */
 228
 229 #endif
 230
 231 #if FT_SIZEOF_INT == (32 / FT_CHAR_BIT)
 232
 233   typedef signed int      FT_Int32;
 234   typedef unsigned int    FT_UInt32;
 235
 236 #elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
 237
 238   typedef signed long     FT_Int32;
 239   typedef unsigned long   FT_UInt32;
 240
 241 #else
 242 #error "no 32bit type found -- please check your configuration files"
 243 #endif
 244
 245
 246   /* look up an integer type that is at least 32 bits */
 247 #if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
 248
 249   typedef int            FT_Fast;
 250   typedef unsigned int   FT_UFast;
 251
 252 #elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
 253
 254   typedef long           FT_Fast;
 255   typedef unsigned long  FT_UFast;
 256
 257 #endif
 258
 259
 260   /* determine whether we have a 64-bit int type for platforms without */
 261   /* Autoconf                                                          */
 262 #if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT)
 263
 264   /* FT_LONG64 must be defined if a 64-bit type is available */
 265 #define FT_LONG64
 266 #define FT_INT64   long
 267 #define FT_UINT64  unsigned long
 268
 269 #elif defined( _MSC_VER ) && _MSC_VER >= 900  /* Visual C++ (and Intel C++) */
 270
 271   /* this compiler provides the __int64 type */
 272 #define FT_LONG64
 273 #define FT_INT64   __int64
 274 #define FT_UINT64  unsigned __int64
 275
 276 #elif defined( __BORLANDC__ )  /* Borland C++ */
 277
 278   /* XXXX: We should probably check the value of __BORLANDC__ in order */
 279   /*       to test the compiler version.                               */
 280
 281   /* this compiler provides the __int64 type */
 282 #define FT_LONG64
 283 #define FT_INT64   __int64
 284 #define FT_UINT64  unsigned __int64
 285
 286 #elif defined( __WATCOMC__ )   /* Watcom C++ */
 287
 288   /* Watcom doesn't provide 64-bit data types */
 289
 290 #elif defined( __MWERKS__ )    /* Metrowerks CodeWarrior */
 291
 292 #define FT_LONG64
 293 #define FT_INT64   long long int
 294 #define FT_UINT64  unsigned long long int
 295
 296 #elif defined( __GNUC__ )
 297
 298   /* GCC provides the `long long' type */
 299 #define FT_LONG64
 300 #define FT_INT64   long long int
 301 #define FT_UINT64  unsigned long long int
 302
 303 #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
 304
 305
 306   /*************************************************************************/
 307   /*                                                                       */
 308   /* A 64-bit data type will create compilation problems if you compile    */
 309   /* in strict ANSI mode.  To avoid them, we disable its use if __STDC__   */
 310   /* is defined.  You can however ignore this rule by defining the         */
 311   /* FT_CONFIG_OPTION_FORCE_INT64 configuration macro.                     */
 312   /*                                                                       */
 313 #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
 314
 315 #ifdef __STDC__
 316
 317   /* undefine the 64-bit macros in strict ANSI compilation mode */
 318 #undef FT_LONG64
 319 #undef FT_INT64
 320
 321 #endif /* __STDC__ */
 322
 323 #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
 324
 325 #ifdef FT_LONG64
 326   typedef FT_INT64   FT_Int64;
 327   typedef FT_UINT64  FT_UInt64;
 328 #endif
 329
 330
 331 #define FT_BEGIN_STMNT  do {
 332 #define FT_END_STMNT    } while ( 0 )
 333 #define FT_DUMMY_STMNT  FT_BEGIN_STMNT FT_END_STMNT
 334
 335
 336 #ifndef  FT_CONFIG_OPTION_NO_ASSEMBLER
 337   /* Provide assembler fragments for performance-critical functions. */
 338   /* These must be defined `static __inline__' with GCC.             */
 339
 340 #if defined( __CC_ARM ) || defined( __ARMCC__ )  /* RVCT */
 341
 342 #define FT_MULFIX_ASSEMBLER  FT_MulFix_arm
 343
 344   /* documentation is in freetype.h */
 345
 346   static __inline FT_Int32
 347   FT_MulFix_arm( FT_Int32  a,
 348                  FT_Int32  b )
 349   {
 350     register FT_Int32  t, t2;
 351
 352
 353     __asm
 354     {
 355       smull t2, t,  b,  a           /* (lo=t2,hi=t) = a*b */
 356       mov   a,  t,  asr #31         /* a   = (hi >> 31) */
 357       add   a,  a,  #0x8000         /* a  += 0x8000 */
 358       adds  t2, t2, a               /* t2 += a */
 359       adc   t,  t,  #0              /* t  += carry */
 360       mov   a,  t2, lsr #16         /* a   = t2 >> 16 */
 361       orr   a,  a,  t,  lsl #16     /* a  |= t << 16 */
 362     }
 363     return a;
 364   }
 365
 366 #endif /* __CC_ARM || __ARMCC__ */
 367
 368
 369 #ifdef __GNUC__
 370
 371 #if defined( __arm__ )                                 && \
 372     ( !defined( __thumb__ ) || defined( __thumb2__ ) ) && \
 373     !( defined( __CC_ARM ) || defined( __ARMCC__ ) )
 374
 375 #define FT_MULFIX_ASSEMBLER  FT_MulFix_arm
 376
 377   /* documentation is in freetype.h */
 378
 379   static __inline__ FT_Int32
 380   FT_MulFix_arm( FT_Int32  a,
 381                  FT_Int32  b )
 382   {
 383     register FT_Int32  t, t2;
 384
 385
 386     __asm__ __volatile__ (
 387       "smull  %1, %2, %4, %3\n\t"       /* (lo=%1,hi=%2) = a*b */
 388       "mov    %0, %2, asr #31\n\t"      /* %0  = (hi >> 31) */
 389 #if defined( __clang__ ) && defined( __thumb2__ )
 390       "add.w  %0, %0, #0x8000\n\t"      /* %0 += 0x8000 */
 391 #else
 392       "add    %0, %0, #0x8000\n\t"      /* %0 += 0x8000 */
 393 #endif
 394       "adds   %1, %1, %0\n\t"           /* %1 += %0 */
 395       "adc    %2, %2, #0\n\t"           /* %2 += carry */
 396       "mov    %0, %1, lsr #16\n\t"      /* %0  = %1 >> 16 */
 397       "orr    %0, %0, %2, lsl #16\n\t"  /* %0 |= %2 << 16 */
 398       : "=r"(a), "=&r"(t2), "=&r"(t)
 399       : "r"(a), "r"(b)
 400       : "cc" );
 401     return a;
 402   }
 403
 404 #endif /* __arm__                      && */
 405        /* ( __thumb2__ || !__thumb__ ) && */
 406        /* !( __CC_ARM || __ARMCC__ )      */
 407
 408
 409 #if defined( __i386__ )
 410
 411 #define FT_MULFIX_ASSEMBLER  FT_MulFix_i386
 412
 413   /* documentation is in freetype.h */
 414
 415   static __inline__ FT_Int32
 416   FT_MulFix_i386( FT_Int32  a,
 417                   FT_Int32  b )
 418   {
 419     register FT_Int32  result;
 420
 421
 422     __asm__ __volatile__ (
 423       "imul  %%edx\n"
 424       "movl  %%edx, %%ecx\n"
 425       "sarl  $31, %%ecx\n"
 426       "addl  $0x8000, %%ecx\n"
 427       "addl  %%ecx, %%eax\n"
 428       "adcl  $0, %%edx\n"
 429       "shrl  $16, %%eax\n"
 430       "shll  $16, %%edx\n"
 431       "addl  %%edx, %%eax\n"
 432       : "=a"(result), "=d"(b)
 433       : "a"(a), "d"(b)
 434       : "%ecx", "cc" );
 435     return result;
 436   }
 437
 438 #endif /* i386 */
 439
 440 #endif /* __GNUC__ */
 441
 442
 443 #ifdef _MSC_VER /* Visual C++ */
 444
 445 #ifdef _M_IX86
 446
 447 #define FT_MULFIX_ASSEMBLER  FT_MulFix_i386
 448
 449   /* documentation is in freetype.h */
 450
 451   static __inline FT_Int32
 452   FT_MulFix_i386( FT_Int32  a,
 453                   FT_Int32  b )
 454   {
 455     register FT_Int32  result;
 456
 457     __asm
 458     {
 459       mov eax, a
 460       mov edx, b
 461       imul edx
 462       mov ecx, edx
 463       sar ecx, 31
 464       add ecx, 8000h
 465       add eax, ecx
 466       adc edx, 0
 467       shr eax, 16
 468       shl edx, 16
 469       add eax, edx
 470       mov result, eax
 471     }
 472     return result;
 473   }
 474
 475 #endif /* _M_IX86 */
 476
 477 #endif /* _MSC_VER */
 478
 479
 480 #if defined( __GNUC__ ) && defined( __x86_64__ )
 481
 482 #define FT_MULFIX_ASSEMBLER  FT_MulFix_x86_64
 483
 484   static __inline__ FT_Int32
 485   FT_MulFix_x86_64( FT_Int32  a,
 486                     FT_Int32  b )
 487   {
 488     /* Temporarily disable the warning that C90 doesn't support */
 489     /* `long long'.                                             */
 490 #if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 6 ) )
 491 #pragma GCC diagnostic push
 492 #pragma GCC diagnostic ignored "-Wlong-long"
 493 #endif
 494
 495 #if 1
 496     /* Technically not an assembly fragment, but GCC does a really good */
 497     /* job at inlining it and generating good machine code for it.      */
 498     long long  ret, tmp;
 499
 500
 501     ret  = (long long)a * b;
 502     tmp  = ret >> 63;
 503     ret += 0x8000 + tmp;
 504
 505     return (FT_Int32)( ret >> 16 );
 506 #else
 507
 508     /* For some reason, GCC 4.6 on Ubuntu 12.04 generates invalid machine  */
 509     /* code from the lines below.  The main issue is that `wide_a' is not  */
 510     /* properly initialized by sign-extending `a'.  Instead, the generated */
 511     /* machine code assumes that the register that contains `a' on input   */
 512     /* can be used directly as a 64-bit value, which is wrong most of the  */
 513     /* time.                                                               */
 514     long long  wide_a = (long long)a;
 515     long long  wide_b = (long long)b;
 516     long long  result;
 517
 518
 519     __asm__ __volatile__ (
 520       "imul %2, %1\n"
 521       "mov %1, %0\n"
 522       "sar $63, %0\n"
 523       "lea 0x8000(%1, %0), %0\n"
 524       "sar $16, %0\n"
 525       : "=&r"(result), "=&r"(wide_a)
 526       : "r"(wide_b)
 527       : "cc" );
 528
 529     return (FT_Int32)result;
 530 #endif
 531
 532 #if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 6 ) )
 533 #pragma GCC diagnostic pop
 534 #endif
 535   }
 536
 537 #endif /* __GNUC__ && __x86_64__ */
 538
 539 #endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */
 540
 541
 542 #ifdef FT_CONFIG_OPTION_INLINE_MULFIX
 543 #ifdef FT_MULFIX_ASSEMBLER
 544 #define FT_MULFIX_INLINED  FT_MULFIX_ASSEMBLER
 545 #endif
 546 #endif
 547
 548
 549 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
 550
 551 #define FT_LOCAL( x )      static  x
 552 #define FT_LOCAL_DEF( x )  static  x
 553
 554 #else
 555
 556 #ifdef __cplusplus
 557 #define FT_LOCAL( x )      extern "C"  x
 558 #define FT_LOCAL_DEF( x )  extern "C"  x
 559 #else
 560 #define FT_LOCAL( x )      extern  x
 561 #define FT_LOCAL_DEF( x )  x
 562 #endif
 563
 564 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
 565
 566 #define FT_LOCAL_ARRAY( x )      extern const  x
 567 #define FT_LOCAL_ARRAY_DEF( x )  const  x
 568
 569
 570 #ifndef FT_BASE
 571
 572 #ifdef __cplusplus
 573 #define FT_BASE( x )  extern "C"  x
 574 #else
 575 #define FT_BASE( x )  extern  x
 576 #endif
 577
 578 #endif /* !FT_BASE */
 579
 580
 581 #ifndef FT_BASE_DEF
 582
 583 #ifdef __cplusplus
 584 #define FT_BASE_DEF( x )  x
 585 #else
 586 #define FT_BASE_DEF( x )  x
 587 #endif
 588
 589 #endif /* !FT_BASE_DEF */
 590
 591
 592 #ifndef FT_EXPORT
 593
 594 #ifdef __cplusplus
 595 #define FT_EXPORT( x )  extern "C"  x
 596 #else
 597 #define FT_EXPORT( x )  extern  x
 598 #endif
 599
 600 #endif /* !FT_EXPORT */
 601
 602
 603 #ifndef FT_EXPORT_DEF
 604
 605 #ifdef __cplusplus
 606 #define FT_EXPORT_DEF( x )  extern "C"  x
 607 #else
 608 #define FT_EXPORT_DEF( x )  extern  x
 609 #endif
 610
 611 #endif /* !FT_EXPORT_DEF */
 612
 613
 614 #ifndef FT_EXPORT_VAR
 615
 616 #ifdef __cplusplus
 617 #define FT_EXPORT_VAR( x )  extern "C"  x
 618 #else
 619 #define FT_EXPORT_VAR( x )  extern  x
 620 #endif
 621
 622 #endif /* !FT_EXPORT_VAR */
 623
 624   /* The following macros are needed to compile the library with a   */
 625   /* C++ compiler and with 16bit compilers.                          */
 626   /*                                                                 */
 627
 628   /* This is special.  Within C++, you must specify `extern "C"' for */
 629   /* functions which are used via function pointers, and you also    */
 630   /* must do that for structures which contain function pointers to  */
 631   /* assure C linkage -- it's not possible to have (local) anonymous */
 632   /* functions which are accessed by (global) function pointers.     */
 633   /*                                                                 */
 634   /*                                                                 */
 635   /* FT_CALLBACK_DEF is used to _define_ a callback function.        */
 636   /*                                                                 */
 637   /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
 638   /* contains pointers to callback functions.                        */
 639   /*                                                                 */
 640   /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable   */
 641   /* that contains pointers to callback functions.                   */
 642   /*                                                                 */
 643   /*                                                                 */
 644   /* Some 16bit compilers have to redefine these macros to insert    */
 645   /* the infamous `_cdecl' or `__fastcall' declarations.             */
 646   /*                                                                 */
 647 #ifndef FT_CALLBACK_DEF
 648 #ifdef __cplusplus
 649 #define FT_CALLBACK_DEF( x )  extern "C"  x
 650 #else
 651 #define FT_CALLBACK_DEF( x )  static  x
 652 #endif
 653 #endif /* FT_CALLBACK_DEF */
 654
 655 #ifndef FT_CALLBACK_TABLE
 656 #ifdef __cplusplus
 657 #define FT_CALLBACK_TABLE      extern "C"
 658 #define FT_CALLBACK_TABLE_DEF  extern "C"
 659 #else
 660 #define FT_CALLBACK_TABLE      extern
 661 #define FT_CALLBACK_TABLE_DEF  /* nothing */
 662 #endif
 663 #endif /* FT_CALLBACK_TABLE */
 664
 665
 666 FT_END_HEADER
 667
 668
 669 #endif /* __FTCONFIG_H__ */
 670
 671
 672 /* END */