icu/unicode/platform.h

   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_DARWIN
  49 #define U_DARWIN
  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 &lt;iostream&gt; 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 &lt;iostream.h&gt; 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) &lt;string&gt; 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 #ifndef U_HAVE_STD_STRING
  93 #define U_HAVE_STD_STRING 1
  94 #endif
  95
  96 /** @{ Determines whether specific types are available */
  97 #ifndef U_HAVE_INT8_T
  98 #define U_HAVE_INT8_T 1
  99 #endif
 100
 101 #ifndef U_HAVE_UINT8_T
 102 #define U_HAVE_UINT8_T 0
 103 #endif
 104
 105 #ifndef U_HAVE_INT16_T
 106 #define U_HAVE_INT16_T 1
 107 #endif
 108
 109 #ifndef U_HAVE_UINT16_T
 110 #define U_HAVE_UINT16_T 0
 111 #endif
 112
 113 #ifndef U_HAVE_INT32_T
 114 #define U_HAVE_INT32_T 1
 115 #endif
 116
 117 #ifndef U_HAVE_UINT32_T
 118 #define U_HAVE_UINT32_T 0
 119 #endif
 120
 121 #ifndef U_HAVE_INT64_T
 122 #define U_HAVE_INT64_T 1
 123 #endif
 124
 125 #ifndef U_HAVE_UINT64_T
 126 #define U_HAVE_UINT64_T 0
 127 #endif
 128
 129 /** @} */
 130
 131 /*===========================================================================*/
 132 /** @{ Compiler and environment features                                     */
 133 /*===========================================================================*/
 134
 135 /* Define whether namespace is supported */
 136 #ifndef U_HAVE_NAMESPACE
 137 #define U_HAVE_NAMESPACE 1
 138 #endif
 139
 140 /* Determines the endianness of the platform
 141    It's done this way in case multiple architectures are being built at once.
 142    For example, Darwin supports fat binaries, which can be both PPC and x86 based. */
 143 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN)
 144 #define U_IS_BIG_ENDIAN (BYTE_ORDER == BIG_ENDIAN)
 145 #else
 146 #define U_IS_BIG_ENDIAN 1
 147 #endif
 148
 149 /* 1 or 0 to enable or disable threads.  If undefined, default is: enable threads. */
 150 #ifndef ICU_USE_THREADS
 151 #define ICU_USE_THREADS 1
 152 #endif
 153
 154 /* On strong memory model CPUs (e.g. x86 CPUs), we use a safe & quick double check lock. */
 155 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
 156 #define UMTX_STRONG_MEMORY_MODEL 1
 157 #endif
 158
 159 #ifndef U_DEBUG
 160 #define U_DEBUG 0
 161 #endif
 162
 163 #ifndef U_RELEASE
 164 #define U_RELEASE 1
 165 #endif
 166
 167 /* Determine whether to disable renaming or not. This overrides the
 168    setting in umachine.h which is for all platforms. */
 169 #ifndef U_DISABLE_RENAMING
 170 #define U_DISABLE_RENAMING 1
 171 #endif
 172
 173 /* Determine whether to override new and delete. */
 174 #ifndef U_OVERRIDE_CXX_ALLOCATION
 175 #define U_OVERRIDE_CXX_ALLOCATION 1
 176 #endif
 177 /* Determine whether to override placement new and delete for STL. */
 178 #ifndef U_HAVE_PLACEMENT_NEW
 179 #define U_HAVE_PLACEMENT_NEW 1
 180 #endif
 181
 182 /* Determine whether to enable tracing. */
 183 #ifndef U_ENABLE_TRACING
 184 #define U_ENABLE_TRACING 1
 185 #endif
 186
 187 /**
 188  * Whether to enable Dynamic loading in ICU
 189  * @internal
 190  */
 191 #ifndef U_ENABLE_DYLOAD
 192 #define U_ENABLE_DYLOAD 1
 193 #endif
 194
 195 /**
 196  * Whether to test Dynamic loading as an OS capabilty
 197  * @internal
 198  */
 199 #ifndef U_CHECK_DYLOAD
 200 #define U_CHECK_DYLOAD 1
 201 #endif
 202
 203
 204 /** Do we allow ICU users to use the draft APIs by default? */
 205 #ifndef U_DEFAULT_SHOW_DRAFT
 206 #define U_DEFAULT_SHOW_DRAFT 1
 207 #endif
 208
 209 /** @} */
 210
 211 /*===========================================================================*/
 212 /** @{ Character data types                                                      */
 213 /*===========================================================================*/
 214
 215 #if ((defined(OS390) && (!defined(__CHARSET_LIB) || !__CHARSET_LIB))) || defined(OS400)
 216 #   define U_CHARSET_FAMILY 1
 217 #endif
 218
 219 /** @} */
 220
 221 /*===========================================================================*/
 222 /** @{ Information about wchar support                                           */
 223 /*===========================================================================*/
 224
 225 #ifndef U_HAVE_WCHAR_H
 226 #define U_HAVE_WCHAR_H      1
 227 #endif
 228
 229 #ifndef U_SIZEOF_WCHAR_T
 230 #define U_SIZEOF_WCHAR_T    4
 231 #endif
 232
 233 #ifndef U_HAVE_WCSCPY
 234 #define U_HAVE_WCSCPY       1
 235 #endif
 236
 237 /** @} */
 238
 239 /**
 240  * @{
 241  * \def U_DECLARE_UTF16
 242  * Do not use this macro. Use the UNICODE_STRING or U_STRING_DECL macros
 243  * instead.
 244  * @internal
 245  *
 246  * \def U_GNUC_UTF16_STRING
 247  * @internal
 248  */
 249 #ifndef U_GNUC_UTF16_STRING
 250 #define U_GNUC_UTF16_STRING 0
 251 #endif
 252 #if 1 || defined(U_CHECK_UTF16_STRING)
 253 #if (defined(__xlC__) && defined(__IBM_UTF_LITERAL) && U_SIZEOF_WCHAR_T != 2) \
 254     || (defined(__HP_aCC) && __HP_aCC >= 035000) \
 255     || (defined(__HP_cc) && __HP_cc >= 111106) \
 256     || U_GNUC_UTF16_STRING
 257 #define U_DECLARE_UTF16(string) u ## string
 258 #elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550)
 259 /* || (defined(__SUNPRO_C) && __SUNPRO_C >= 0x580) */
 260 /* Sun's C compiler has issues with this notation, and it's unreliable. */
 261 #define U_DECLARE_UTF16(string) U ## string
 262 #elif U_SIZEOF_WCHAR_T == 2 \
 263     && (U_CHARSET_FAMILY == 0 || ((defined(OS390) || defined(OS400)) && defined(__UCS2__)))
 264 #define U_DECLARE_UTF16(string) L ## string
 265 #endif
 266 #endif
 267
 268 /** @} */
 269
 270 /*===========================================================================*/
 271 /** @{ Information about POSIX support                                           */
 272 /*===========================================================================*/
 273
 274 #ifndef U_HAVE_NL_LANGINFO_CODESET
 275 #define U_HAVE_NL_LANGINFO_CODESET  1
 276 #endif
 277
 278 #ifndef U_NL_LANGINFO_CODESET
 279 #define U_NL_LANGINFO_CODESET       CODESET
 280 #endif
 281
 282 #if 1
 283 #define U_TZSET         tzset
 284 #endif
 285 #if 0
 286 #define U_TIMEZONE      timezone
 287 #endif
 288 #if 1
 289 #define U_TZNAME        tzname
 290 #endif
 291
 292 #define U_HAVE_MMAP     1
 293 #define U_HAVE_POPEN    1
 294
 295 /** @} */
 296
 297 /*===========================================================================*/
 298 /** @{ Symbol import-export control                                              */
 299 /*===========================================================================*/
 300
 301 #if 1
 302 #define U_EXPORT __attribute__((visibility("default")))
 303 #elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550) \
 304    || (defined(__SUNPRO_C) && __SUNPRO_C >= 0x550)
 305 #define U_EXPORT __global
 306 /*#elif defined(__HP_aCC) || defined(__HP_cc)
 307 #define U_EXPORT __declspec(dllexport)*/
 308 #else
 309 #define U_EXPORT
 310 #endif
 311
 312 /* U_CALLCONV is releated to U_EXPORT2 */
 313 #define U_EXPORT2
 314
 315 /* cygwin needs to export/import data */
 316 #if defined(U_CYGWIN) && !defined(__GNUC__)
 317 #define U_IMPORT __declspec(dllimport)
 318 #else
 319 #define U_IMPORT
 320 #endif
 321
 322 /* @} */
 323
 324 /*===========================================================================*/
 325 /** @{ Code alignment and C function inlining                                    */
 326 /*===========================================================================*/
 327
 328 #ifndef U_INLINE
 329 #   ifdef __cplusplus
 330 #       define U_INLINE inline
 331 #   else
 332 #       define U_INLINE __inline__
 333 #   endif
 334 #endif
 335
 336 #ifndef U_ALIGN_CODE
 337 #define U_ALIGN_CODE(n)
 338 #endif
 339
 340 /** @} */
 341
 342 /*===========================================================================*/
 343 /** @{ GCC built in functions for atomic memory operations                       */
 344 /*===========================================================================*/
 345
 346 /**
 347  * \def U_HAVE_GCC_ATOMICS
 348  * @internal
 349  */
 350 #ifndef U_HAVE_GCC_ATOMICS
 351 #define U_HAVE_GCC_ATOMICS 1
 352 #endif
 353
 354 /** @} */
 355
 356 /*===========================================================================*/
 357 /** @{ Programs used by ICU code                                                 */
 358 /*===========================================================================*/
 359
 360 /**
 361  * \def U_MAKE
 362  * What program to execute to run 'make'
 363  */
 364 #ifndef U_MAKE
 365 #define U_MAKE  "/usr/bin/gnumake"
 366 #endif
 367
 368 /** @} */
 369
 370 #endif /* CYGWINMSVC */
 371
 372 /*===========================================================================*/
 373 /* Custom icu entry point renaming                                                  */
 374 /*===========================================================================*/
 375
 376 /**
 377  * Define the library suffix with C syntax.
 378  * @internal
 379  */
 380 # define U_LIB_SUFFIX_C_NAME
 381 /**
 382  * Define the library suffix as a string with C syntax
 383  * @internal
 384  */
 385 # define U_LIB_SUFFIX_C_NAME_STRING ""
 386 /**
 387  * 1 if a custom library suffix is set
 388  * @internal
 389  */
 390 # define U_HAVE_LIB_SUFFIX 0
 391
 392 #if U_HAVE_LIB_SUFFIX
 393 # ifndef U_ICU_ENTRY_POINT_RENAME
 394 /* Renaming pattern:    u_strcpy_41_suffix */
 395 #  define U_ICU_ENTRY_POINT_RENAME(x)    x ## _ ## 46 ##
 396 #  define U_DEF_ICUDATA_ENTRY_POINT(major, minor) icudt####major##minor##_dat
 397
 398 # endif
 399 #endif
 400
 401 #endif