1/***************************************************************************/ 2/* */ 3/* ftconfig.in */ 4/* */ 5/* UNIX-specific configuration file (specification only). */ 6/* */ 7/* Copyright 1996-2018 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 /*************************************************************************/ 35 36 37#ifndef FTCONFIG_H_ 38#define FTCONFIG_H_ 39 40#include <ft2build.h> 41#include FT_CONFIG_OPTIONS_H 42#include FT_CONFIG_STANDARD_LIBRARY_H 43 44 45FT_BEGIN_HEADER 46 47 48 /*************************************************************************/ 49 /* */ 50 /* PLATFORM-SPECIFIC CONFIGURATION MACROS */ 51 /* */ 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. */ 56 /* */ 57 /*************************************************************************/ 58 59 60#undef HAVE_UNISTD_H 61#undef HAVE_FCNTL_H 62#undef HAVE_STDINT_H 63 64 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. */ 69 /* */ 70 /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */ 71 /* `char' type. */ 72 73#ifndef FT_CHAR_BIT 74#define FT_CHAR_BIT CHAR_BIT 75#endif 76 77 78#undef FT_USE_AUTOCONF_SIZEOF_TYPES 79#ifdef FT_USE_AUTOCONF_SIZEOF_TYPES 80 81#undef SIZEOF_INT 82#undef SIZEOF_LONG 83#define FT_SIZEOF_INT SIZEOF_INT 84#define FT_SIZEOF_LONG SIZEOF_LONG 85 86#else /* !FT_USE_AUTOCONF_SIZEOF_TYPES */ 87 88 /* Following cpp computation of the bit length of int and long */ 89 /* is copied from default include/freetype/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 /* do not use configure script. */ 93 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) 101#else 102#error "Unsupported size of `int' type!" 103#endif 104 105 /* 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) 113#else 114#error "Unsupported size of `long' type!" 115#endif 116 117#endif /* !FT_USE_AUTOCONF_SIZEOF_TYPES */ 118 119 120 /* 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 */ 122#ifndef FT_UNUSED 123#define FT_UNUSED( arg ) ( (arg) = (arg) ) 124#endif 125 126 127 /*************************************************************************/ 128 /* */ 129 /* AUTOMATIC CONFIGURATION MACROS */ 130 /* */ 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. */ 134 /* */ 135 /*************************************************************************/ 136 137 138 /*************************************************************************/ 139 /* */ 140 /* Mac support */ 141 /* */ 142 /* This is the only necessary change, so it is defined here instead */ 143 /* providing a new configuration file. */ 144 /* */ 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 */ 149#include <errno.h> 150#ifdef ECANCELED /* defined since 10.2 */ 151#include "AvailabilityMacros.h" 152#endif 153#if defined( __LP64__ ) && \ 154 ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 ) 155/undef FT_MACINTOSH 156#endif 157 158#elif defined( __SC__ ) || defined( __MRC__ ) 159 /* Classic MacOS compilers */ 160#include "ConditionalMacros.h" 161#if TARGET_OS_MAC 162#define FT_MACINTOSH 1 163#endif 164 165#endif 166 167 168 /* 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 172#endif 173#endif 174 175 176 /*************************************************************************/ 177 /* */ 178 /* <Section> */ 179 /* basic_types */ 180 /* */ 181 /*************************************************************************/ 182 183 184 /*************************************************************************/ 185 /* */ 186 /* <Type> */ 187 /* FT_Int16 */ 188 /* */ 189 /* <Description> */ 190 /* A typedef for a 16bit signed integer type. */ 191 /* */ 192 typedef signed short FT_Int16; 193 194 195 /*************************************************************************/ 196 /* */ 197 /* <Type> */ 198 /* FT_UInt16 */ 199 /* */ 200 /* <Description> */ 201 /* A typedef for a 16bit unsigned integer type. */ 202 /* */ 203 typedef unsigned short FT_UInt16; 204 205 /* */ 206 207 208 /* this #if 0 ... #endif clause is for documentation purposes */ 209#if 0 210 211 /*************************************************************************/ 212 /* */ 213 /* <Type> */ 214 /* FT_Int32 */ 215 /* */ 216 /* <Description> */ 217 /* A typedef for a 32bit signed integer type. The size depends on */ 218 /* the configuration. */ 219 /* */ 220 typedef signed XXX FT_Int32; 221 222 223 /*************************************************************************/ 224 /* */ 225 /* <Type> */ 226 /* FT_UInt32 */ 227 /* */ 228 /* A typedef for a 32bit unsigned integer type. The size depends on */ 229 /* the configuration. */ 230 /* */ 231 typedef unsigned XXX FT_UInt32; 232 233 234 /*************************************************************************/ 235 /* */ 236 /* <Type> */ 237 /* FT_Int64 */ 238 /* */ 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). */ 242 /* */ 243 typedef signed XXX FT_Int64; 244 245 246 /*************************************************************************/ 247 /* */ 248 /* <Type> */ 249 /* FT_UInt64 */ 250 /* */ 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). */ 254 /* */ 255 typedef unsigned XXX FT_UInt64; 256 257 /* */ 258 259#endif 260 261#if FT_SIZEOF_INT == 4 262 263 typedef signed int FT_Int32; 264 typedef unsigned int FT_UInt32; 265 266#elif FT_SIZEOF_LONG == 4 267 268 typedef signed long FT_Int32; 269 typedef unsigned long FT_UInt32; 270 271#else 272#error "no 32bit type found -- please check your configuration files" 273#endif 274 275 276 /* look up an integer type that is at least 32 bits */ 277#if FT_SIZEOF_INT >= 4 278 279 typedef int FT_Fast; 280 typedef unsigned int FT_UFast; 281 282#elif FT_SIZEOF_LONG >= 4 283 284 typedef long FT_Fast; 285 typedef unsigned long FT_UFast; 286 287#endif 288 289 290 /* determine whether we have a 64-bit int type */ 291 /* (mostly for environments without `autoconf') */ 292#if FT_SIZEOF_LONG == 8 293 294 /* FT_LONG64 must be defined if a 64-bit type is available */ 295#define FT_LONG64 296#define FT_INT64 long 297#define FT_UINT64 unsigned long 298 299 /* we handle the LLP64 scheme separately for GCC and clang, */ 300 /* suppressing the `long long' warning */ 301#elif ( FT_SIZEOF_LONG == 4 ) && \ 302 defined( HAVE_LONG_LONG_INT ) && \ 303 defined( __GNUC__ ) 304#pragma GCC diagnostic ignored "-Wlong-long" 305#define FT_LONG64 306#define FT_INT64 long long int 307#define FT_UINT64 unsigned long long int 308 309 /*************************************************************************/ 310 /* */ 311 /* A 64-bit data type may create compilation problems if you compile */ 312 /* in strict ANSI mode. To avoid them, we disable other 64-bit data */ 313 /* types if __STDC__ is defined. You can however ignore this rule */ 314 /* by defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */ 315 /* */ 316#elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 ) 317 318#if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L 319 320#define FT_LONG64 321#define FT_INT64 long long int 322#define FT_UINT64 unsigned long long int 323 324#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ 325 326 /* this compiler provides the __int64 type */ 327#define FT_LONG64 328#define FT_INT64 __int64 329#define FT_UINT64 unsigned __int64 330 331#elif defined( __BORLANDC__ ) /* Borland C++ */ 332 333 /* XXXX: We should probably check the value of __BORLANDC__ in order */ 334 /* to test the compiler version. */ 335 336 /* this compiler provides the __int64 type */ 337#define FT_LONG64 338#define FT_INT64 __int64 339#define FT_UINT64 unsigned __int64 340 341#elif defined( __WATCOMC__ ) /* Watcom C++ */ 342 343 /* Watcom doesn't provide 64-bit data types */ 344 345#elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ 346 347#define FT_LONG64 348#define FT_INT64 long long int 349#define FT_UINT64 unsigned long long int 350 351#elif defined( __GNUC__ ) 352 353 /* GCC provides the `long long' type */ 354#define FT_LONG64 355#define FT_INT64 long long int 356#define FT_UINT64 unsigned long long int 357 358#endif /* __STDC_VERSION__ >= 199901L */ 359 360#endif /* FT_SIZEOF_LONG == 8 */ 361 362#ifdef FT_LONG64 363 typedef FT_INT64 FT_Int64; 364 typedef FT_UINT64 FT_UInt64; 365#endif 366 367 368#ifdef _WIN64 369 /* only 64bit Windows uses the LLP64 data model, i.e., */ 370 /* 32bit integers, 64bit pointers */ 371#define FT_UINT_TO_POINTER( x ) (void*)(unsigned __int64)(x) 372#else 373#define FT_UINT_TO_POINTER( x ) (void*)(unsigned long)(x) 374#endif 375 376 377 /*************************************************************************/ 378 /* */ 379 /* miscellaneous */ 380 /* */ 381 /*************************************************************************/ 382 383 384#define FT_BEGIN_STMNT do { 385#define FT_END_STMNT } while ( 0 ) 386#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT 387 388 389 /* typeof condition taken from gnulib's `intprops.h' header file */ 390#if ( ( defined( __GNUC__ ) && __GNUC__ >= 2 ) || \ 391 ( defined( __IBMC__ ) && __IBMC__ >= 1210 && \ 392 defined( __IBM__TYPEOF__ ) ) || \ 393 ( defined( __SUNPRO_C ) && __SUNPRO_C >= 0x5110 && !__STDC__ ) ) 394#define FT_TYPEOF( type ) ( __typeof__ ( type ) ) 395#else 396#define FT_TYPEOF( type ) /* empty */ 397#endif 398 399 400 /* Use FT_LOCAL and FT_LOCAL_DEF to declare and define, respectively, */ 401 /* a function that gets used only within the scope of a module. */ 402 /* Normally, both the header and source code files for such a */ 403 /* function are within a single module directory. */ 404 /* */ 405 /* Intra-module arrays should be tagged with FT_LOCAL_ARRAY and */ 406 /* FT_LOCAL_ARRAY_DEF. */ 407 /* */ 408#ifdef FT_MAKE_OPTION_SINGLE_OBJECT 409 410#define FT_LOCAL( x ) static x 411#define FT_LOCAL_DEF( x ) static x 412 413#else 414 415#ifdef __cplusplus 416#define FT_LOCAL( x ) extern "C" x 417#define FT_LOCAL_DEF( x ) extern "C" x 418#else 419#define FT_LOCAL( x ) extern x 420#define FT_LOCAL_DEF( x ) x 421#endif 422 423#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ 424 425#define FT_LOCAL_ARRAY( x ) extern const x 426#define FT_LOCAL_ARRAY_DEF( x ) const x 427 428 429 /* Use FT_BASE and FT_BASE_DEF to declare and define, respectively, */ 430 /* functions that are used in more than a single module. In the */ 431 /* current setup this implies that the declaration is in a header */ 432 /* file in the `include/freetype/internal' directory, and the */ 433 /* function body is in a file in `src/base'. */ 434 /* */ 435#ifndef FT_BASE 436 437#ifdef __cplusplus 438#define FT_BASE( x ) extern "C" x 439#else 440#define FT_BASE( x ) extern x 441#endif 442 443#endif /* !FT_BASE */ 444 445 446#ifndef FT_BASE_DEF 447 448#ifdef __cplusplus 449#define FT_BASE_DEF( x ) x 450#else 451#define FT_BASE_DEF( x ) x 452#endif 453 454#endif /* !FT_BASE_DEF */ 455 456 457 /* When compiling FreeType as a DLL, some systems/compilers need a */ 458 /* special attribute in front OR after the return type of function */ 459 /* declarations. */ 460 /* */ 461 /* Two macros are used within the FreeType source code to define */ 462 /* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */ 463 /* */ 464 /* FT_EXPORT( return_type ) */ 465 /* */ 466 /* is used in a function declaration, as in */ 467 /* */ 468 /* FT_EXPORT( FT_Error ) */ 469 /* FT_Init_FreeType( FT_Library* alibrary ); */ 470 /* */ 471 /* */ 472 /* FT_EXPORT_DEF( return_type ) */ 473 /* */ 474 /* is used in a function definition, as in */ 475 /* */ 476 /* FT_EXPORT_DEF( FT_Error ) */ 477 /* FT_Init_FreeType( FT_Library* alibrary ) */ 478 /* { */ 479 /* ... some code ... */ 480 /* return FT_Err_Ok; */ 481 /* } */ 482 /* */ 483 /* You can provide your own implementation of FT_EXPORT and */ 484 /* FT_EXPORT_DEF here if you want. */ 485 /* */ 486 /* To export a variable, use FT_EXPORT_VAR. */ 487 /* */ 488#ifndef FT_EXPORT 489 490#ifdef __cplusplus 491#define FT_EXPORT( x ) extern "C" x 492#else 493#define FT_EXPORT( x ) extern x 494#endif 495 496#ifdef _WIN32 497#if defined( FT2_BUILD_LIBRARY ) && \ 498 ( defined( _DLL ) || defined( DLL_EXPORT ) ) 499#undef FT_EXPORT 500#define FT_EXPORT( x ) __declspec( dllexport ) x 501#elif defined( FT2_DLLIMPORT ) 502#undef FT_EXPORT 503#define FT_EXPORT( x ) __declspec( dllimport ) x 504#endif 505#endif 506 507#endif /* !FT_EXPORT */ 508 509 510#ifndef FT_EXPORT_DEF 511 512#ifdef __cplusplus 513#define FT_EXPORT_DEF( x ) extern "C" x 514#else 515#define FT_EXPORT_DEF( x ) extern x 516#endif 517 518#endif /* !FT_EXPORT_DEF */ 519 520 521#ifndef FT_EXPORT_VAR 522 523#ifdef __cplusplus 524#define FT_EXPORT_VAR( x ) extern "C" x 525#else 526#define FT_EXPORT_VAR( x ) extern x 527#endif 528 529#endif /* !FT_EXPORT_VAR */ 530 531 /* The following macros are needed to compile the library with a */ 532 /* C++ compiler and with 16bit compilers. */ 533 /* */ 534 535 /* This is special. Within C++, you must specify `extern "C"' for */ 536 /* functions which are used via function pointers, and you also */ 537 /* must do that for structures which contain function pointers to */ 538 /* assure C linkage -- it's not possible to have (local) anonymous */ 539 /* functions which are accessed by (global) function pointers. */ 540 /* */ 541 /* */ 542 /* FT_CALLBACK_DEF is used to _define_ a callback function, */ 543 /* located in the same source code file as the structure that uses */ 544 /* it. */ 545 /* */ 546 /* FT_BASE_CALLBACK and FT_BASE_CALLBACK_DEF are used to declare */ 547 /* and define a callback function, respectively, in a similar way */ 548 /* as FT_BASE and FT_BASE_DEF work. */ 549 /* */ 550 /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ 551 /* contains pointers to callback functions. */ 552 /* */ 553 /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ 554 /* that contains pointers to callback functions. */ 555 /* */ 556 /* */ 557 /* Some 16bit compilers have to redefine these macros to insert */ 558 /* the infamous `_cdecl' or `__fastcall' declarations. */ 559 /* */ 560#ifndef FT_CALLBACK_DEF 561#ifdef __cplusplus 562#define FT_CALLBACK_DEF( x ) extern "C" x 563#else 564#define FT_CALLBACK_DEF( x ) static x 565#endif 566#endif /* FT_CALLBACK_DEF */ 567 568#ifndef FT_BASE_CALLBACK 569#ifdef __cplusplus 570#define FT_BASE_CALLBACK( x ) extern "C" x 571#define FT_BASE_CALLBACK_DEF( x ) extern "C" x 572#else 573#define FT_BASE_CALLBACK( x ) extern x 574#define FT_BASE_CALLBACK_DEF( x ) x 575#endif 576#endif /* FT_BASE_CALLBACK */ 577 578#ifndef FT_CALLBACK_TABLE 579#ifdef __cplusplus 580#define FT_CALLBACK_TABLE extern "C" 581#define FT_CALLBACK_TABLE_DEF extern "C" 582#else 583#define FT_CALLBACK_TABLE extern 584#define FT_CALLBACK_TABLE_DEF /* nothing */ 585#endif 586#endif /* FT_CALLBACK_TABLE */ 587 588 589FT_END_HEADER 590 591 592#endif /* FTCONFIG_H_ */ 593 594 595/* END */ 596