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      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 #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 1
    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 1
    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 1
    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 1
    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 0
    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 0
    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 0
    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 0
    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 1
    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 #ifdef U_STATIC_IMPLEMENTATION
    302 #define U_EXPORT
    303 #elif 1
    304 #define U_EXPORT __attribute__((visibility("default")))
    305 #elif (defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x550) \
    306    || (defined(__SUNPRO_C) && __SUNPRO_C >= 0x550)
    307 #define U_EXPORT __global
    308 /*#elif defined(__HP_aCC) || defined(__HP_cc)
    309 #define U_EXPORT __declspec(dllexport)*/
    310 #else
    311 #define U_EXPORT
    312 #endif
    313 
    314 /* U_CALLCONV is releated to U_EXPORT2 */
    315 #define U_EXPORT2
    316 
    317 /* cygwin needs to export/import data */
    318 #if defined(U_CYGWIN) && !defined(__GNUC__)
    319 #define U_IMPORT __declspec(dllimport)
    320 #else
    321 #define U_IMPORT
    322 #endif
    323 
    324 /* @} */
    325 
    326 /*===========================================================================*/
    327 /** @{ Code alignment and C function inlining                                    */
    328 /*===========================================================================*/
    329 
    330 #ifndef U_INLINE
    331 #   ifdef __cplusplus
    332 #       define U_INLINE inline
    333 #   else
    334 #       define U_INLINE inline
    335 #   endif
    336 #endif
    337 
    338 #ifndef U_ALIGN_CODE
    339 #define U_ALIGN_CODE(n)
    340 #endif
    341 
    342 /** @} */
    343 
    344 /*===========================================================================*/
    345 /** @{ GCC built in functions for atomic memory operations                       */
    346 /*===========================================================================*/
    347 
    348 /**
    349  * \def U_HAVE_GCC_ATOMICS
    350  * @internal
    351  */
    352 #ifndef U_HAVE_GCC_ATOMICS
    353 #define U_HAVE_GCC_ATOMICS 1
    354 #endif
    355 
    356 /** @} */
    357 
    358 /*===========================================================================*/
    359 /** @{ Programs used by ICU code                                                 */
    360 /*===========================================================================*/
    361 
    362 /**
    363  * \def U_MAKE
    364  * What program to execute to run 'make'
    365  */
    366 #ifndef U_MAKE
    367 #define U_MAKE  "make"
    368 #endif
    369 
    370 /** @} */
    371 
    372 #endif /* CYGWINMSVC */
    373 
    374 /*===========================================================================*/
    375 /* Custom icu entry point renaming                                                  */
    376 /*===========================================================================*/
    377 
    378 /**
    379  * Define the library suffix with C syntax.
    380  * @internal
    381  */
    382 # define U_LIB_SUFFIX_C_NAME
    383 /**
    384  * Define the library suffix as a string with C syntax
    385  * @internal
    386  */
    387 # define U_LIB_SUFFIX_C_NAME_STRING ""
    388 /**
    389  * 1 if a custom library suffix is set
    390  * @internal
    391  */
    392 # define U_HAVE_LIB_SUFFIX 0
    393 
    394 #if U_HAVE_LIB_SUFFIX
    395 # ifndef U_ICU_ENTRY_POINT_RENAME
    396 /* Renaming pattern:    u_strcpy_41_suffix */
    397 #  define U_ICU_ENTRY_POINT_RENAME(x)    x ## _ ## 46 ##
    398 #  define U_DEF_ICUDATA_ENTRY_POINT(major, minor) icudt####major##minor##_dat
    399 
    400 # endif
    401 #endif
    402 
    403 #endif
    404