1 /* ftconfig.h. Generated from ftconfig.in by configure. */ 2 /***************************************************************************/ 3 /* */ 4 /* ftconfig.in */ 5 /* */ 6 /* UNIX-specific configuration file (specification only). */ 7 /* */ 8 /* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009 by */ 9 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ 10 /* */ 11 /* This file is part of the FreeType project, and may only be used, */ 12 /* modified, and distributed under the terms of the FreeType project */ 13 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 14 /* this file you indicate that you have read the license and */ 15 /* understand and accept it fully. */ 16 /* */ 17 /***************************************************************************/ 18 19 20 /*************************************************************************/ 21 /* */ 22 /* This header file contains a number of macro definitions that are used */ 23 /* by the rest of the engine. Most of the macros here are automatically */ 24 /* determined at compile time, and you should not need to change it to */ 25 /* port FreeType, except to compile the library with a non-ANSI */ 26 /* compiler. */ 27 /* */ 28 /* Note however that if some specific modifications are needed, we */ 29 /* advise you to place a modified copy in your build directory. */ 30 /* */ 31 /* The build directory is usually `freetype/builds/<system>', and */ 32 /* contains system-specific files that are always included first when */ 33 /* building the library. */ 34 /* */ 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 /* `freetype/builds/<system>' directory, and edit it to port the engine. */ 57 /* */ 58 /*************************************************************************/ 59 60 61 #define HAVE_UNISTD_H 1 62 #define HAVE_FCNTL_H 1 63 #define HAVE_STDINT_H 1 64 65 66 /* There are systems (like the Texas Instruments 'C54x) where a `char' */ 67 /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */ 68 /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */ 69 /* is probably unexpected. */ 70 /* */ 71 /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */ 72 /* `char' type. */ 73 74 #ifndef FT_CHAR_BIT 75 #define FT_CHAR_BIT CHAR_BIT 76 #endif 77 78 79 /* #undef FT_USE_AUTOCONF_SIZEOF_TYPES */ 80 #ifdef FT_USE_AUTOCONF_SIZEOF_TYPES 81 82 #define SIZEOF_INT 4 83 #define SIZEOF_LONG 8 84 #define FT_SIZEOF_INT SIZEOF_INT 85 #define FT_SIZEOF_LONG SIZEOF_LONG 86 87 #else /* !FT_USE_AUTOCONF_SIZEOF_TYPES */ 88 89 /* Following cpp computation of the bit length of int and long */ 90 /* is copied from default include/freetype/config/ftconfig.h. */ 91 /* If any improvement is required for this file, it should be */ 92 /* applied to the original header file for the builders that */ 93 /* does not use configure script. */ 94 95 /* The size of an `int' type. */ 96 #if FT_UINT_MAX == 0xFFFFUL 97 #define FT_SIZEOF_INT (16 / FT_CHAR_BIT) 98 #elif FT_UINT_MAX == 0xFFFFFFFFUL 99 #define FT_SIZEOF_INT (32 / FT_CHAR_BIT) 100 #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL 101 #define FT_SIZEOF_INT (64 / FT_CHAR_BIT) 102 #else 103 #error "Unsupported size of `int' type!" 104 #endif 105 106 /* The size of a `long' type. A five-byte `long' (as used e.g. on the */ 107 /* DM642) is recognized but avoided. */ 108 #if FT_ULONG_MAX == 0xFFFFFFFFUL 109 #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT) 110 #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL 111 #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT) 112 #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL 113 #define FT_SIZEOF_LONG (64 / FT_CHAR_BIT) 114 #else 115 #error "Unsupported size of `long' type!" 116 #endif 117 118 #endif /* !FT_USE_AUTOCONF_SIZEOF_TYPES */ 119 120 121 /* Preferred alignment of data */ 122 #define FT_ALIGNMENT 8 123 124 125 /* FT_UNUSED is a macro used to indicate that a given parameter is not */ 126 /* used -- this is only used to get rid of unpleasant compiler warnings */ 127 #ifndef FT_UNUSED 128 #define FT_UNUSED( arg ) ( (arg) = (arg) ) 129 #endif 130 131 132 /*************************************************************************/ 133 /* */ 134 /* AUTOMATIC CONFIGURATION MACROS */ 135 /* */ 136 /* These macros are computed from the ones defined above. Don't touch */ 137 /* their definition, unless you know precisely what you are doing. No */ 138 /* porter should need to mess with them. */ 139 /* */ 140 /*************************************************************************/ 141 142 143 /*************************************************************************/ 144 /* */ 145 /* Mac support */ 146 /* */ 147 /* This is the only necessary change, so it is defined here instead */ 148 /* providing a new configuration file. */ 149 /* */ 150 #if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \ 151 ( defined( __MWERKS__ ) && defined( macintosh ) ) 152 /* no Carbon frameworks for 64bit 10.4.x */ 153 #include "AvailabilityMacros.h" 154 #if defined( __LP64__ ) && \ 155 ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 ) 156 #define DARWIN_NO_CARBON 1 157 #else 158 #define FT_MACINTOSH 1 159 #endif 160 161 #elif defined( __SC__ ) || defined( __MRC__ ) 162 /* Classic MacOS compilers */ 163 #include "ConditionalMacros.h" 164 #if TARGET_OS_MAC 165 #define FT_MACINTOSH 1 166 #endif 167 168 #endif 169 170 171 /* Fix compiler warning with sgi compiler */ 172 #if defined( __sgi ) && !defined( __GNUC__ ) 173 #if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 ) 174 #pragma set woff 3505 175 #endif 176 #endif 177 178 179 /*************************************************************************/ 180 /* */ 181 /* IntN types */ 182 /* */ 183 /* Used to guarantee the size of some specific integers. */ 184 /* */ 185 typedef signed short FT_Int16; 186 typedef unsigned short FT_UInt16; 187 188 #if FT_SIZEOF_INT == 4 189 190 typedef signed int FT_Int32; 191 typedef unsigned int FT_UInt32; 192 193 #elif FT_SIZEOF_LONG == 4 194 195 typedef signed long FT_Int32; 196 typedef unsigned long FT_UInt32; 197 198 #else 199 #error "no 32bit type found -- please check your configuration files" 200 #endif 201 202 203 /* look up an integer type that is at least 32 bits */ 204 #if FT_SIZEOF_INT >= 4 205 206 typedef int FT_Fast; 207 typedef unsigned int FT_UFast; 208 209 #elif FT_SIZEOF_LONG >= 4 210 211 typedef long FT_Fast; 212 typedef unsigned long FT_UFast; 213 214 #endif 215 216 217 /* determine whether we have a 64-bit int type for platforms without */ 218 /* Autoconf */ 219 #if FT_SIZEOF_LONG == 8 220 221 /* FT_LONG64 must be defined if a 64-bit type is available */ 222 #define FT_LONG64 223 #define FT_INT64 long 224 225 #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ 226 227 /* this compiler provides the __int64 type */ 228 #define FT_LONG64 229 #define FT_INT64 __int64 230 231 #elif defined( __BORLANDC__ ) /* Borland C++ */ 232 233 /* XXXX: We should probably check the value of __BORLANDC__ in order */ 234 /* to test the compiler version. */ 235 236 /* this compiler provides the __int64 type */ 237 #define FT_LONG64 238 #define FT_INT64 __int64 239 240 #elif defined( __WATCOMC__ ) /* Watcom C++ */ 241 242 /* Watcom doesn't provide 64-bit data types */ 243 244 #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ 245 246 #define FT_LONG64 247 #define FT_INT64 long long int 248 249 #elif defined( __GNUC__ ) 250 251 /* GCC provides the `long long' type */ 252 #define FT_LONG64 253 #define FT_INT64 long long int 254 255 #endif /* FT_SIZEOF_LONG == 8 */ 256 257 258 /*************************************************************************/ 259 /* */ 260 /* A 64-bit data type will create compilation problems if you compile */ 261 /* in strict ANSI mode. To avoid them, we disable its use if __STDC__ */ 262 /* is defined. You can however ignore this rule by defining the */ 263 /* FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */ 264 /* */ 265 #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 ) 266 267 #ifdef __STDC__ 268 269 /* Undefine the 64-bit macros in strict ANSI compilation mode. */ 270 /* Since `#undef' doesn't survive in configuration header files */ 271 /* we use the postprocessing facility of AC_CONFIG_HEADERS to */ 272 /* replace the leading `/' with `#'. */ 273 #undef FT_LONG64 274 #undef FT_INT64 275 276 #endif /* __STDC__ */ 277 278 #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */ 279 280 281 #define FT_BEGIN_STMNT do { 282 #define FT_END_STMNT } while ( 0 ) 283 #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT 284 285 286 #ifndef FT_CONFIG_OPTION_NO_ASSEMBLER 287 /* Provide assembler fragments for performance-critical functions. */ 288 /* These must be defined `static __inline__' with GCC. */ 289 290 #ifdef __GNUC__ 291 292 #if defined( __arm__ ) && !defined( __thumb__ ) 293 #define FT_MULFIX_ASSEMBLER FT_MulFix_arm 294 295 static __inline__ FT_Int32 296 FT_MulFix_arm( FT_Int32 a, 297 FT_Int32 b ) 298 { 299 register FT_Int32 t, t2; 300 301 302 __asm__ __volatile__ ( 303 "smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */ 304 "mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */ 305 "add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */ 306 "adds %1, %1, %0\n\t" /* %1 += %0 */ 307 "adc %2, %2, #0\n\t" /* %2 += carry */ 308 "mov %0, %1, lsr #16\n\t" /* %0 = %1 >> 16 */ 309 "orr %0, %0, %2, lsl #16\n\t" /* %0 |= %2 << 16 */ 310 : "=r"(a), "=&r"(t2), "=&r"(t) 311 : "r"(a), "r"(b) ); 312 return a; 313 } 314 315 #endif /* __arm__ && !__thumb__ */ 316 317 #if defined( i386 ) 318 #define FT_MULFIX_ASSEMBLER FT_MulFix_i386 319 320 static __inline__ FT_Int32 321 FT_MulFix_i386( FT_Int32 a, 322 FT_Int32 b ) 323 { 324 register FT_Int32 result; 325 326 327 __asm__ __volatile__ ( 328 "imul %%edx\n" 329 "movl %%edx, %%ecx\n" 330 "sarl $31, %%ecx\n" 331 "addl $0x8000, %%ecx\n" 332 "addl %%ecx, %%eax\n" 333 "adcl $0, %%edx\n" 334 "shrl $16, %%eax\n" 335 "shll $16, %%edx\n" 336 "addl %%edx, %%eax\n" 337 : "=a"(result), "+d"(b) 338 : "a"(a) 339 : "%ecx" ); 340 return result; 341 } 342 343 #endif /* i386 */ 344 345 #endif /* __GNUC__ */ 346 347 #endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */ 348 349 350 #ifdef FT_CONFIG_OPTION_INLINE_MULFIX 351 #ifdef FT_MULFIX_ASSEMBLER 352 #define FT_MULFIX_INLINED FT_MULFIX_ASSEMBLER 353 #endif 354 #endif 355 356 357 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT 358 359 #define FT_LOCAL( x ) static x 360 #define FT_LOCAL_DEF( x ) static x 361 362 #else 363 364 #ifdef __cplusplus 365 #define FT_LOCAL( x ) extern "C" x 366 #define FT_LOCAL_DEF( x ) extern "C" x 367 #else 368 #define FT_LOCAL( x ) extern x 369 #define FT_LOCAL_DEF( x ) x 370 #endif 371 372 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ 373 374 375 #ifndef FT_BASE 376 377 #ifdef __cplusplus 378 #define FT_BASE( x ) extern "C" x 379 #else 380 #define FT_BASE( x ) extern x 381 #endif 382 383 #endif /* !FT_BASE */ 384 385 386 #ifndef FT_BASE_DEF 387 388 #ifdef __cplusplus 389 #define FT_BASE_DEF( x ) x 390 #else 391 #define FT_BASE_DEF( x ) x 392 #endif 393 394 #endif /* !FT_BASE_DEF */ 395 396 397 #ifndef FT_EXPORT 398 399 #ifdef __cplusplus 400 #define FT_EXPORT( x ) __attribute__((visibility("default"))) extern "C" x 401 #else 402 #define FT_EXPORT( x ) __attribute__((visibility("default"))) extern x 403 #endif 404 405 #endif /* !FT_EXPORT */ 406 407 408 #ifndef FT_EXPORT_DEF 409 410 #ifdef __cplusplus 411 #define FT_EXPORT_DEF( x ) __attribute__((visibility("default"))) extern "C" x 412 #else 413 #define FT_EXPORT_DEF( x ) __attribute__((visibility("default"))) extern x 414 #endif 415 416 #endif /* !FT_EXPORT_DEF */ 417 418 419 #ifndef FT_EXPORT_VAR 420 421 #ifdef __cplusplus 422 #define FT_EXPORT_VAR( x ) extern "C" x 423 #else 424 #define FT_EXPORT_VAR( x ) extern x 425 #endif 426 427 #endif /* !FT_EXPORT_VAR */ 428 429 /* The following macros are needed to compile the library with a */ 430 /* C++ compiler and with 16bit compilers. */ 431 /* */ 432 433 /* This is special. Within C++, you must specify `extern "C"' for */ 434 /* functions which are used via function pointers, and you also */ 435 /* must do that for structures which contain function pointers to */ 436 /* assure C linkage -- it's not possible to have (local) anonymous */ 437 /* functions which are accessed by (global) function pointers. */ 438 /* */ 439 /* */ 440 /* FT_CALLBACK_DEF is used to _define_ a callback function. */ 441 /* */ 442 /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ 443 /* contains pointers to callback functions. */ 444 /* */ 445 /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ 446 /* that contains pointers to callback functions. */ 447 /* */ 448 /* */ 449 /* Some 16bit compilers have to redefine these macros to insert */ 450 /* the infamous `_cdecl' or `__fastcall' declarations. */ 451 /* */ 452 #ifndef FT_CALLBACK_DEF 453 #ifdef __cplusplus 454 #define FT_CALLBACK_DEF( x ) extern "C" x 455 #else 456 #define FT_CALLBACK_DEF( x ) static x 457 #endif 458 #endif /* FT_CALLBACK_DEF */ 459 460 #ifndef FT_CALLBACK_TABLE 461 #ifdef __cplusplus 462 #define FT_CALLBACK_TABLE extern "C" 463 #define FT_CALLBACK_TABLE_DEF extern "C" 464 #else 465 #define FT_CALLBACK_TABLE extern 466 #define FT_CALLBACK_TABLE_DEF /* nothing */ 467 #endif 468 #endif /* FT_CALLBACK_TABLE */ 469 470 471 FT_END_HEADER 472 473 474 #endif /* __FTCONFIG_H__ */ 475 476 477 /* END */ 478
