1 /* 2 ****************************************************************************** 3 * 4 * Copyright (C) 1997-2010, International Business Machines 5 * Corporation and others. All Rights Reserved. 6 * 7 ****************************************************************************** 8 * 9 * Note: autoconf creates platform.h from platform.h.in at configure time. 10 * 11 ****************************************************************************** 12 * 13 * FILE NAME : platform.h 14 * 15 * Date Name Description 16 * 05/13/98 nos Creation (content moved here from ptypes.h). 17 * 03/02/99 stephen Added AS400 support. 18 * 03/30/99 stephen Added Linux support. 19 * 04/13/99 stephen Reworked for autoconf. 20 ****************************************************************************** 21 */ 22 23 #ifndef _PLATFORM_H 24 #define _PLATFORM_H 25 26 /** 27 * \file 28 * \brief Basic types for the platform 29 */ 30 31 /* This file should be included before uvernum.h. */ 32 #if defined(UVERNUM_H) 33 # error Do not include unicode/uvernum.h before #including unicode/platform.h. Instead of unicode/uvernum.h, #include unicode/uversion.h 34 #endif 35 36 /** 37 * Determine wheter to enable auto cleanup of libraries. 38 * @internal 39 */ 40 #ifndef UCLN_NO_AUTO_CLEANUP 41 #define UCLN_NO_AUTO_CLEANUP 1 42 #endif 43 44 /* Need platform.h when using CYGWINMSVC to get definitions above. Ignore everything else. */ 45 #ifndef CYGWINMSVC 46 47 /** Define the platform we're on. */ 48 #ifndef U_LINUX 49 #define U_LINUX 50 #endif 51 52 /** 53 * \def U_HAVE_DIRENT_H 54 * Define whether dirent.h is available 55 * @internal 56 */ 57 #ifndef U_HAVE_DIRENT_H 58 #define U_HAVE_DIRENT_H 1 59 #endif 60 61 /** Define whether inttypes.h is available */ 62 #ifndef U_HAVE_INTTYPES_H 63 #define U_HAVE_INTTYPES_H 1 64 #endif 65 66 /** 67 * Define what support for C++ streams is available. 68 * If U_IOSTREAM_SOURCE is set to 199711, then <iostream> is available 69 * (1997711 is the date the ISO/IEC C++ FDIS was published), and then 70 * one should qualify streams using the std namespace in ICU header 71 * files. 72 * If U_IOSTREAM_SOURCE is set to 198506, then <iostream.h> is 73 * available instead (198506 is the date when Stroustrup published 74 * "An Extensible I/O Facility for C++" at the summer USENIX conference). 75 * If U_IOSTREAM_SOURCE is 0, then C++ streams are not available and 76 * support for them will be silently suppressed in ICU. 77 * 78 */ 79 80 #ifndef U_IOSTREAM_SOURCE 81 #define U_IOSTREAM_SOURCE 199711 82 #endif 83 84 /** 85 * \def U_HAVE_STD_STRING 86 * Define whether the standard C++ (STL) <string> header is available. 87 * For platforms that do not use platform.h and do not define this constant 88 * in their platform-specific headers, std_string.h defaults 89 * U_HAVE_STD_STRING to 1. 90 * @internal 91 */ 92 #ifdef HAVE_ANDROID_OS 93 #define U_HAVE_STD_STRING 0 94 #else 95 #ifndef U_HAVE_STD_STRING 96 #define U_HAVE_STD_STRING 1 97 #endif 98 #endif 99 100 /** @{ Determines whether specific types are available */ 101 #ifndef U_HAVE_INT8_T 102 #define U_HAVE_INT8_T 1 103 #endif 104 105 #ifndef U_HAVE_UINT8_T 106 #define U_HAVE_UINT8_T 1 107 #endif 108 109 #ifndef U_HAVE_INT16_T 110 #define U_HAVE_INT16_T 1 111 #endif 112 113 #ifndef U_HAVE_UINT16_T 114 #define U_HAVE_UINT16_T 1 115 #endif 116 117 #ifndef U_HAVE_INT32_T 118 #define U_HAVE_INT32_T 1 119 #endif 120 121 #ifndef U_HAVE_UINT32_T 122 #define U_HAVE_UINT32_T 1 123 #endif 124 125 #ifndef U_HAVE_INT64_T 126 #define U_HAVE_INT64_T 1 127 #endif 128 129 #ifndef U_HAVE_UINT64_T 130 #define U_HAVE_UINT64_T 1 131 #endif 132 133 /** @} */ 134 135 /*===========================================================================*/ 136 /** @{ Compiler and environment features */ 137 /*===========================================================================*/ 138 139 /* Define whether namespace is supported */ 140 #ifndef U_HAVE_NAMESPACE 141 #define U_HAVE_NAMESPACE 1 142 #endif 143 144 /* Determines the endianness of the platform 145 It's done this way in case multiple architectures are being built at once. 146 For example, Darwin supports fat binaries, which can be both PPC and x86 based. */ 147 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) 148 #define U_IS_BIG_ENDIAN (BYTE_ORDER == BIG_ENDIAN) 149 #else 150 #define U_IS_BIG_ENDIAN 0 151 #endif 152 153 /* 1 or 0 to enable or disable threads. If undefined, default is: enable threads. */ 154 #ifndef ICU_USE_THREADS 155 #define ICU_USE_THREADS 1 156 #endif 157 158 /* On strong memory model CPUs (e.g. x86 CPUs), we use a safe & quick double check lock. */ 159 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) 160 #define UMTX_STRONG_MEMORY_MODEL 1 161 #endif 162 163 #ifndef U_DEBUG 164 #define U_DEBUG 1 165 #endif 166 167 #ifndef U_RELEASE 168 #define U_RELEASE 0 169 #endif 170 171 /* Determine whether to disable renaming or not. This overrides the 172 setting in umachine.h which is for all platforms. */ 173 #ifndef U_DISABLE_RENAMING 174 #define U_DISABLE_RENAMING 0 175 #endif 176 177 /* Determine whether to override new and delete. */ 178 #ifndef U_OVERRIDE_CXX_ALLOCATION 179 #define U_OVERRIDE_CXX_ALLOCATION 1 180 #endif 181 /* Determine whether to override placement new and delete for STL. */ 182 #ifndef U_HAVE_PLACEMENT_NEW 183 #define U_HAVE_PLACEMENT_NEW 1 184 #endif 185 186 /* Determine whether to enable tracing. */ 187 #ifndef U_ENABLE_TRACING 188 #define U_ENABLE_TRACING 0 189 #endif 190 191 /** 192 * Whether to enable Dynamic loading in ICU 193 * @internal 194 */ 195 #ifndef U_ENABLE_DYLOAD 196 #define U_ENABLE_DYLOAD 1 197 #endif 198 199 /** 200 * Whether to test Dynamic loading as an OS capabilty 201 * @internal 202 */ 203 #ifndef U_CHECK_DYLOAD 204 #define U_CHECK_DYLOAD 1 205 #endif 206 207 208 /** Do we allow ICU users to use the draft APIs by default? */ 209 #ifndef U_DEFAULT_SHOW_DRAFT 210 #define U_DEFAULT_SHOW_DRAFT 1 211 #endif 212 213 /** @} */ 214 215 /*===========================================================================*/ 216 /** @{ Character data types */ 217 /*===========================================================================*/ 218 219 #if ((defined(OS390) && (!defined(__CHARSET_LIB) || !__CHARSET_LIB))) || defined(OS400) 220 # define U_CHARSET_FAMILY 1 221 #endif 222 223 /** @} */ 224 225 /*===========================================================================*/ 226 /** @{ Information about wchar support */ 227 /*===========================================================================*/ 228 // BEGIN android-note 229 // We changed "ARM_FLAG" to "HAVE_ANDROID_OS" immediately below. 230 // Consensus seems to be that the intent of ARM_FLAG is actually that 231 // it represent whether we are compiling for Android, and if that's 232 // the case then we might as well use the standard definition instead. 233 // END android-note 234 #ifdef HAVE_ANDROID_OS 235 #define U_HAVE_WCHAR_H 0 236 #define U_SIZEOF_WCHAR_T 1 237 238 #define U_HAVE_WCSCPY 0 239 240 #else 241 242 #ifndef U_HAVE_WCHAR_H 243 #define U_HAVE_WCHAR_H 1 244 #endif 245 246 #ifndef U_SIZEOF_WCHAR_T 247 #define U_SIZEOF_WCHAR_T 4 248 #endif 249 250 #ifndef U_HAVE_WCSCPY 251 #define U_HAVE_WCSCPY 1 252 #endif 253 254 #endif 255 256 /** @} */ 257 258 /** 259 * @{ 260 * \def U_DECLARE_UTF16 261 * Do not use this macro. Use the UNICODE_STRING or U_STRING_DECL macros 262 * instead. 263 * @internal 264 * 265 * \def U_GNUC_UTF16_STRING 266 * @internal 267 */ 268 #ifndef U_GNUC_UTF16_STRING 269 #define U_GNUC_UTF16_STRING 0 270 #endif 271 #if 1 || defined(U_CHECK_UTF16_STRING) 272 #if (defined(__xlC__) && defined(__IBM_UTF_LITERAL) && U_SIZEOF_WCHAR_T != 2) \ 273 || (defined(__HP_aCC) && __HP_aCC >= 035000) \ 274 || (defined(__HP_cc) && __HP_cc >= 111106) \ 275 || U_GNUC_UTF16_STRING 276 #define U_DECLARE_UTF16(string) u ## string 277 #elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550) 278 /* || (defined(__SUNPRO_C) && __SUNPRO_C >= 0x580) */ 279 /* Sun's C compiler has issues with this notation, and it's unreliable. */ 280 #define U_DECLARE_UTF16(string) U ## string 281 #elif U_SIZEOF_WCHAR_T == 2 \ 282 && (U_CHARSET_FAMILY == 0 || ((defined(OS390) || defined(OS400)) && defined(__UCS2__))) 283 #define U_DECLARE_UTF16(string) L ## string 284 #endif 285 #endif 286 287 /** @} */ 288 289 /*===========================================================================*/ 290 /** @{ Information about POSIX support */ 291 /*===========================================================================*/ 292 293 // BEGIN android-note 294 // See Android comment above. 295 // END android-note 296 #if !HAVE_ANDROID_OS 297 #define U_HAVE_NL_LANGINFO 1 298 299 #ifndef U_HAVE_NL_LANGINFO_CODESET 300 #define U_HAVE_NL_LANGINFO_CODESET 1 301 #endif 302 303 #endif 304 305 #ifndef U_NL_LANGINFO_CODESET 306 #define U_NL_LANGINFO_CODESET CODESET 307 #endif 308 309 #if !HAVE_ANDROID_OS 310 #if 1 311 #define U_TZSET tzset 312 #endif 313 #if 1 314 #define U_TIMEZONE __timezone 315 #endif 316 #if 1 317 #define U_TZNAME tzname 318 #endif 319 #endif 320 321 #define U_HAVE_MMAP 1 322 #define U_HAVE_POPEN 1 323 324 /** @} */ 325 326 /*===========================================================================*/ 327 /** @{ Symbol import-export control */ 328 /*===========================================================================*/ 329 330 #if 1 331 #define U_EXPORT __attribute__((visibility("default"))) 332 #elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550) \ 333 || (defined(__SUNPRO_C) && __SUNPRO_C >= 0x550) 334 #define U_EXPORT __global 335 /*#elif defined(__HP_aCC) || defined(__HP_cc) 336 #define U_EXPORT __declspec(dllexport)*/ 337 #else 338 #define U_EXPORT 339 #endif 340 341 /* U_CALLCONV is releated to U_EXPORT2 */ 342 #define U_EXPORT2 343 344 /* cygwin needs to export/import data */ 345 #if defined(U_CYGWIN) && !defined(__GNUC__) 346 #define U_IMPORT __declspec(dllimport) 347 #else 348 #define U_IMPORT 349 #endif 350 351 /* @} */ 352 353 /*===========================================================================*/ 354 /** @{ Code alignment and C function inlining */ 355 /*===========================================================================*/ 356 357 #ifndef U_INLINE 358 # ifdef __cplusplus 359 # define U_INLINE inline 360 # else 361 # define U_INLINE __inline__ 362 # endif 363 #endif 364 365 #ifndef U_ALIGN_CODE 366 #define U_ALIGN_CODE(n) 367 #endif 368 369 /** @} */ 370 371 /*===========================================================================*/ 372 /** @{ GCC built in functions for atomic memory operations */ 373 /*===========================================================================*/ 374 375 // BEGIN android-added 376 #if !defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) 377 #define U_HAVE_GCC_ATOMICS 0 378 #endif 379 // END android-added 380 381 /** 382 * \def U_HAVE_GCC_ATOMICS 383 * @internal 384 */ 385 #ifndef U_HAVE_GCC_ATOMICS 386 #define U_HAVE_GCC_ATOMICS 1 387 #endif 388 389 /** @} */ 390 391 /*===========================================================================*/ 392 /** @{ Programs used by ICU code */ 393 /*===========================================================================*/ 394 395 /** 396 * \def U_MAKE 397 * What program to execute to run 'make' 398 */ 399 #ifndef U_MAKE 400 #define U_MAKE "make" 401 #endif 402 403 /** @} */ 404 405 #endif /* CYGWINMSVC */ 406 407 /*===========================================================================*/ 408 /* Custom icu entry point renaming */ 409 /*===========================================================================*/ 410 411 /** 412 * Define the library suffix with C syntax. 413 * @internal 414 */ 415 # define U_LIB_SUFFIX_C_NAME 416 /** 417 * Define the library suffix as a string with C syntax 418 * @internal 419 */ 420 # define U_LIB_SUFFIX_C_NAME_STRING "" 421 /** 422 * 1 if a custom library suffix is set 423 * @internal 424 */ 425 # define U_HAVE_LIB_SUFFIX 0 426 427 #if U_HAVE_LIB_SUFFIX 428 # ifndef U_ICU_ENTRY_POINT_RENAME 429 /* Renaming pattern: u_strcpy_41_suffix */ 430 # define U_ICU_ENTRY_POINT_RENAME(x) x ## _ ## 46 ## 431 # define U_DEF_ICUDATA_ENTRY_POINT(major, minor) icudt####major##minor##_dat 432 433 # endif 434 #endif 435 436 #endif 437
