diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/include/features.h b/include/features.h index 1b401497d..16ed44cba 100644 --- a/include/features.h +++ b/include/features.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-1993,1995-2003,2004,2005 Free Software Foundation, Inc. +/* Copyright (C) 1991-1993,1995-2006,2007,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -58,9 +58,10 @@ if >=199309L, add IEEE Std 1003.1b-1993; if >=199506L, add IEEE Std 1003.1c-1995; if >=200112L, all of IEEE 1003.1-2004 + if >=200809L, all of IEEE 1003.1-2008 _XOPEN_SOURCE Includes POSIX and XPG things. Set to 500 if Single Unix conformance is wanted, to 600 for the - upcoming sixth revision. + sixth revision, to 700 for the seventh revision. _XOPEN_SOURCE_EXTENDED XPG things and X/Open Unix extensions. _LARGEFILE_SOURCE Some more functions for correct standard I/O. _LARGEFILE64_SOURCE Additional functionality from LFS for large files. @@ -77,7 +78,7 @@ The `-ansi' switch to the GNU C compiler defines __STRICT_ANSI__. If none of these are defined, the default is to have _SVID_SOURCE, _BSD_SOURCE, and _POSIX_SOURCE set to one and _POSIX_C_SOURCE set to - 199506L. If more than one of these are defined, they accumulate. + 200112L. If more than one of these are defined, they accumulate. For example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE together give you ISO C, 1003.1, and 1003.2, but nothing else. @@ -85,6 +86,7 @@ header files to decide what to declare or define: __USE_ISOC99 Define ISO C99 things. + __USE_ISOC95 Define ISO C90 AMD1 (C95) things. __USE_POSIX Define IEEE Std 1003.1 things. __USE_POSIX2 Define IEEE Std 1003.2 things. __USE_POSIX199309 Define IEEE Std 1003.1, and .1b things. @@ -93,6 +95,7 @@ __USE_XOPEN_EXTENDED Define X/Open Unix things. __USE_UNIX98 Define Single Unix V2 things. __USE_XOPEN2K Define XPG6 things. + __USE_XOPEN2K8 Define XPG7 things. __USE_LARGEFILE Define correct standard I/O things. __USE_LARGEFILE64 Define LFS things with separate names. __USE_FILE_OFFSET64 Define 64bit interface as default. @@ -119,6 +122,7 @@ /* Undefine everything, so we get a clean slate. */ #undef __USE_ISOC99 +#undef __USE_ISOC95 #undef __USE_POSIX #undef __USE_POSIX2 #undef __USE_POSIX199309 @@ -127,6 +131,7 @@ #undef __USE_XOPEN_EXTENDED #undef __USE_UNIX98 #undef __USE_XOPEN2K +#undef __USE_XOPEN2K8 #undef __USE_LARGEFILE #undef __USE_LARGEFILE64 #undef __USE_FILE_OFFSET64 @@ -179,9 +184,9 @@ # undef _POSIX_SOURCE # define _POSIX_SOURCE 1 # undef _POSIX_C_SOURCE -# define _POSIX_C_SOURCE 199506L +# define _POSIX_C_SOURCE 200809L # undef _XOPEN_SOURCE -# define _XOPEN_SOURCE 600 +# define _XOPEN_SOURCE 700 # undef _XOPEN_SOURCE_EXTENDED # define _XOPEN_SOURCE_EXTENDED 1 # ifdef __UCLIBC_HAS_LFS__ @@ -215,6 +220,12 @@ # define __USE_ISOC99 1 #endif +/* This is to enable the ISO C90 Amendment 1:1995 extension. */ +#if (defined _ISOC99_SOURCE || defined _ISOC9X_SOURCE \ + || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199409L)) +# define __USE_ISOC95 1 +#endif + /* If none of the ANSI/POSIX macros are defined, use POSIX.1 and POSIX.2 (and IEEE Std 1003.1b-1993 unless _XOPEN_SOURCE is defined). */ #if ((!defined __STRICT_ANSI__ || (_XOPEN_SOURCE - 0) >= 500) && \ @@ -222,9 +233,14 @@ # define _POSIX_SOURCE 1 # if defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) < 500 # define _POSIX_C_SOURCE 2 -# else +# elif defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) < 600 # define _POSIX_C_SOURCE 199506L +# elif defined _XOPEN_SOURCE && (_XOPEN_SOURCE - 0) < 700 +# define _POSIX_C_SOURCE 200112L +# else +# define _POSIX_C_SOURCE 200809L # endif +# define __USE_POSIX_IMPLICITLY 1 #endif #if defined _POSIX_SOURCE || _POSIX_C_SOURCE >= 1 || defined _XOPEN_SOURCE @@ -245,6 +261,14 @@ #if (_POSIX_C_SOURCE - 0) >= 200112L # define __USE_XOPEN2K 1 +# undef __USE_ISOC99 +# define __USE_ISOC99 1 +#endif + +#if (_POSIX_C_SOURCE - 0) >= 200809L +# define __USE_XOPEN2K8 1 +# undef _ATFILE_SOURCE +# define _ATFILE_SOURCE 1 #endif #ifdef _XOPEN_SOURCE @@ -255,6 +279,9 @@ # undef _LARGEFILE_SOURCE # define _LARGEFILE_SOURCE 1 # if (_XOPEN_SOURCE - 0) >= 600 +# if (_XOPEN_SOURCE - 0) >= 700 +# define __USE_XOPEN2K8 1 +# endif # define __USE_XOPEN2K 1 # undef __USE_ISOC99 # define __USE_ISOC99 1 @@ -321,7 +348,7 @@ #ifdef __UCLIBC_HAS_WCHAR__ /* wchar_t uses ISO 10646-1 (2nd ed., published 2000-09-15) / Unicode 3.1. */ -# define __STDC_ISO_10646__ 200009L +#define __STDC_ISO_10646__ 200009L #endif /* There is an unwholesomely huge amount of code out there that depends on the @@ -380,10 +407,8 @@ * uclibc itself is usually built without __USE_EXTERN_INLINES, * remove "&& !defined __OPTIMIZE_SIZE__" part to do otherwise. */ -#if __GNUC_PREREQ (2, 7) \ - && defined __OPTIMIZE__ \ - && !defined __OPTIMIZE_SIZE__ \ - && !defined __NO_INLINE__ \ +#if __GNUC_PREREQ (2, 7) && defined __OPTIMIZE__ \ + && !defined __OPTIMIZE_SIZE__ && !defined __NO_INLINE__ \ && (defined __extern_inline || defined __GNUC_GNU_INLINE__) # define __USE_EXTERN_INLINES 1 #endif @@ -422,10 +447,6 @@ uClibc was built without large file support enabled. # define __USE_LARGEFILE64 1 #endif -/* uClibc does not support *at interfaces. */ -#undef _ATFILE_SOURCE -#undef __USE_ATFILE - #ifdef _LIBC # include <libc-internal.h> #endif |