1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/common/uposixdefs.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,73 @@
1.4 +/*
1.5 +*******************************************************************************
1.6 +* Copyright (C) 2011-2012, International Business Machines
1.7 +* Corporation and others. All Rights Reserved.
1.8 +*******************************************************************************
1.9 +* file name: uposixdefs.h
1.10 +* encoding: US-ASCII
1.11 +* tab size: 8 (not used)
1.12 +* indentation:4
1.13 +*
1.14 +* created on: 2011jul25
1.15 +* created by: Markus W. Scherer
1.16 +*
1.17 +* Common definitions for implementation files working with POSIX functions.
1.18 +* *Important*: #include this file before any other header files!
1.19 +*/
1.20 +
1.21 +#ifndef __UPOSIXDEFS_H__
1.22 +#define __UPOSIXDEFS_H__
1.23 +
1.24 +/*
1.25 + * Define _XOPEN_SOURCE for access to POSIX functions.
1.26 + *
1.27 + * We cannot use U_PLATFORM from platform.h/utypes.h because
1.28 + * "The Open Group Base Specifications"
1.29 + * chapter "2.2 The Compilation Environment" says:
1.30 + * "In the compilation of an application that #defines a feature test macro
1.31 + * specified by IEEE Std 1003.1-2001,
1.32 + * no header defined by IEEE Std 1003.1-2001 shall be included prior to
1.33 + * the definition of the feature test macro."
1.34 + */
1.35 +#ifdef _XOPEN_SOURCE
1.36 + /* Use the predefined value. */
1.37 +#else
1.38 + /*
1.39 + * Version 6.0:
1.40 + * The Open Group Base Specifications Issue 6 (IEEE Std 1003.1, 2004 Edition)
1.41 + * also known as
1.42 + * SUSv3 = Open Group Single UNIX Specification, Version 3 (UNIX03)
1.43 + *
1.44 + * Note: This definition used to be in C source code (e.g., putil.c)
1.45 + * and define _XOPEN_SOURCE to different values depending on __STDC_VERSION__.
1.46 + * In C++ source code (e.g., putil.cpp), __STDC_VERSION__ is not defined at all.
1.47 + */
1.48 +# define _XOPEN_SOURCE 600
1.49 +#endif
1.50 +
1.51 +/*
1.52 + * Make sure things like readlink and such functions work.
1.53 + * Poorly upgraded Solaris machines can't have this defined.
1.54 + * Cleanly installed Solaris can use this #define.
1.55 + *
1.56 + * z/OS needs this definition for timeval and to get usleep.
1.57 + */
1.58 +#if !defined(_XOPEN_SOURCE_EXTENDED)
1.59 +# define _XOPEN_SOURCE_EXTENDED 1
1.60 +#endif
1.61 +
1.62 +/*
1.63 + * There is an issue with turning on _XOPEN_SOURCE_EXTENDED on certain platforms.
1.64 + * A compatibility issue exists between turning on _XOPEN_SOURCE_EXTENDED and using
1.65 + * standard C++ string class. As a result, standard C++ string class needs to be
1.66 + * turned off for the follwing platforms:
1.67 + * -AIX/VACPP
1.68 + * -Solaris/GCC
1.69 + */
1.70 +#if (U_PLATFORM == U_PF_AIX && !defined(__GNUC__)) || (U_PLATFORM == U_PF_SOLARIS && defined(__GNUC__))
1.71 +# if _XOPEN_SOURCE_EXTENDED && !defined(U_HAVE_STD_STRING)
1.72 +# define U_HAVE_STD_STRING 0
1.73 +# endif
1.74 +#endif
1.75 +
1.76 +#endif /* __UPOSIXDEFS_H__ */
