intl/icu/source/common/uposixdefs.h@6474c204b198 (annotated)
intl/icu/source/common/uposixdefs.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | ******************************************************************************* |
| michael@0 | 3 | * Copyright (C) 2011-2012, International Business Machines |
| michael@0 | 4 | * Corporation and others. All Rights Reserved. |
| michael@0 | 5 | ******************************************************************************* |
| michael@0 | 6 | * file name: uposixdefs.h |
| michael@0 | 7 | * encoding: US-ASCII |
| michael@0 | 8 | * tab size: 8 (not used) |
| michael@0 | 9 | * indentation:4 |
| michael@0 | 10 | * |
| michael@0 | 11 | * created on: 2011jul25 |
| michael@0 | 12 | * created by: Markus W. Scherer |
| michael@0 | 13 | * |
| michael@0 | 14 | * Common definitions for implementation files working with POSIX functions. |
| michael@0 | 15 | * *Important*: #include this file before any other header files! |
| michael@0 | 16 | */ |
| michael@0 | 17 | |
| michael@0 | 18 | #ifndef __UPOSIXDEFS_H__ |
| michael@0 | 19 | #define __UPOSIXDEFS_H__ |
| michael@0 | 20 | |
| michael@0 | 21 | /* |
| michael@0 | 22 | * Define _XOPEN_SOURCE for access to POSIX functions. |
| michael@0 | 23 | * |
| michael@0 | 24 | * We cannot use U_PLATFORM from platform.h/utypes.h because |
| michael@0 | 25 | * "The Open Group Base Specifications" |
| michael@0 | 26 | * chapter "2.2 The Compilation Environment" says: |
| michael@0 | 27 | * "In the compilation of an application that #defines a feature test macro |
| michael@0 | 28 | * specified by IEEE Std 1003.1-2001, |
| michael@0 | 29 | * no header defined by IEEE Std 1003.1-2001 shall be included prior to |
| michael@0 | 30 | * the definition of the feature test macro." |
| michael@0 | 31 | */ |
| michael@0 | 32 | #ifdef _XOPEN_SOURCE |
| michael@0 | 33 | /* Use the predefined value. */ |
| michael@0 | 34 | #else |
| michael@0 | 35 | /* |
| michael@0 | 36 | * Version 6.0: |
| michael@0 | 37 | * The Open Group Base Specifications Issue 6 (IEEE Std 1003.1, 2004 Edition) |
| michael@0 | 38 | * also known as |
| michael@0 | 39 | * SUSv3 = Open Group Single UNIX Specification, Version 3 (UNIX03) |
| michael@0 | 40 | * |
| michael@0 | 41 | * Note: This definition used to be in C source code (e.g., putil.c) |
| michael@0 | 42 | * and define _XOPEN_SOURCE to different values depending on __STDC_VERSION__. |
| michael@0 | 43 | * In C++ source code (e.g., putil.cpp), __STDC_VERSION__ is not defined at all. |
| michael@0 | 44 | */ |
| michael@0 | 45 | # define _XOPEN_SOURCE 600 |
| michael@0 | 46 | #endif |
| michael@0 | 47 | |
| michael@0 | 48 | /* |
| michael@0 | 49 | * Make sure things like readlink and such functions work. |
| michael@0 | 50 | * Poorly upgraded Solaris machines can't have this defined. |
| michael@0 | 51 | * Cleanly installed Solaris can use this #define. |
| michael@0 | 52 | * |
| michael@0 | 53 | * z/OS needs this definition for timeval and to get usleep. |
| michael@0 | 54 | */ |
| michael@0 | 55 | #if !defined(_XOPEN_SOURCE_EXTENDED) |
| michael@0 | 56 | # define _XOPEN_SOURCE_EXTENDED 1 |
| michael@0 | 57 | #endif |
| michael@0 | 58 | |
| michael@0 | 59 | /* |
| michael@0 | 60 | * There is an issue with turning on _XOPEN_SOURCE_EXTENDED on certain platforms. |
| michael@0 | 61 | * A compatibility issue exists between turning on _XOPEN_SOURCE_EXTENDED and using |
| michael@0 | 62 | * standard C++ string class. As a result, standard C++ string class needs to be |
| michael@0 | 63 | * turned off for the follwing platforms: |
| michael@0 | 64 | * -AIX/VACPP |
| michael@0 | 65 | * -Solaris/GCC |
| michael@0 | 66 | */ |
| michael@0 | 67 | #if (U_PLATFORM == U_PF_AIX && !defined(__GNUC__)) || (U_PLATFORM == U_PF_SOLARIS && defined(__GNUC__)) |
| michael@0 | 68 | # if _XOPEN_SOURCE_EXTENDED && !defined(U_HAVE_STD_STRING) |
| michael@0 | 69 | # define U_HAVE_STD_STRING 0 |
| michael@0 | 70 | # endif |
| michael@0 | 71 | #endif |
| michael@0 | 72 | |
| michael@0 | 73 | #endif /* __UPOSIXDEFS_H__ */ |
