projects / apple / icu.git / blame
| Commit | Line | Data |
|---|---|---|
| 4388f060 A |
1 | /* |
| 2 | ******************************************************************************* | |
| 51004dcb | 3 | * Copyright (C) 2011-2012, International Business Machines |
| 4388f060 A |
4 | * Corporation and others. All Rights Reserved. |
| 5 | ******************************************************************************* | |
| 6 | * file name: uposixdefs.h | |
| 7 | * encoding: US-ASCII | |
| 8 | * tab size: 8 (not used) | |
| 9 | * indentation:4 | |
| 10 | * | |
| 11 | * created on: 2011jul25 | |
| 12 | * created by: Markus W. Scherer | |
| 13 | * | |
| 14 | * Common definitions for implementation files working with POSIX functions. | |
| 15 | * *Important*: #include this file before any other header files! | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef __UPOSIXDEFS_H__ | |
| 19 | #define __UPOSIXDEFS_H__ | |
| 20 | ||
| 21 | /* | |
| 22 | * Define _XOPEN_SOURCE for access to POSIX functions. | |
| 23 | * | |
| 24 | * We cannot use U_PLATFORM from platform.h/utypes.h because | |
| 25 | * "The Open Group Base Specifications" | |
| 26 | * chapter "2.2 The Compilation Environment" says: | |
| 27 | * "In the compilation of an application that #defines a feature test macro | |
| 28 | * specified by IEEE Std 1003.1-2001, | |
| 29 | * no header defined by IEEE Std 1003.1-2001 shall be included prior to | |
| 30 | * the definition of the feature test macro." | |
| 31 | */ | |
| 32 | #ifdef _XOPEN_SOURCE | |
| 33 | /* Use the predefined value. */ | |
| 34 | #else | |
| 35 | /* | |
| 36 | * Version 6.0: | |
| 37 | * The Open Group Base Specifications Issue 6 (IEEE Std 1003.1, 2004 Edition) | |
| 38 | * also known as | |
| 39 | * SUSv3 = Open Group Single UNIX Specification, Version 3 (UNIX03) | |
| 40 | * | |
| 41 | * Note: This definition used to be in C source code (e.g., putil.c) | |
| 42 | * and define _XOPEN_SOURCE to different values depending on __STDC_VERSION__. | |
| 43 | * In C++ source code (e.g., putil.cpp), __STDC_VERSION__ is not defined at all. | |
| 44 | */ | |
| 45 | # define _XOPEN_SOURCE 600 | |
| 46 | #endif | |
| 47 | ||
| 48 | /* | |
| 49 | * Make sure things like readlink and such functions work. | |
| 50 | * Poorly upgraded Solaris machines can't have this defined. | |
| 51 | * Cleanly installed Solaris can use this #define. | |
| 52 | * | |
| 53 | * z/OS needs this definition for timeval and to get usleep. | |
| 54 | */ | |
| 55 | #if !defined(_XOPEN_SOURCE_EXTENDED) | |
| 56 | # define _XOPEN_SOURCE_EXTENDED 1 | |
| 57 | #endif | |
| 58 | ||
| 59 | /* | |
| 60 | * There is an issue with turning on _XOPEN_SOURCE_EXTENDED on certain platforms. | |
| 61 | * A compatibility issue exists between turning on _XOPEN_SOURCE_EXTENDED and using | |
| 62 | * standard C++ string class. As a result, standard C++ string class needs to be | |
| 63 | * turned off for the follwing platforms: | |
| 64 | * -AIX/VACPP | |
| 65 | * -Solaris/GCC | |
| 66 | */ | |
| 67 | #if (U_PLATFORM == U_PF_AIX && !defined(__GNUC__)) || (U_PLATFORM == U_PF_SOLARIS && defined(__GNUC__)) | |
| 68 | # if _XOPEN_SOURCE_EXTENDED && !defined(U_HAVE_STD_STRING) | |
| 69 | # define U_HAVE_STD_STRING 0 | |
| 70 | # endif | |
| 71 | #endif | |
| 72 | ||
| 73 | #endif /* __UPOSIXDEFS_H__ */ |