diff options
Diffstat (limited to 'features.h')
| -rw-r--r-- | features.h | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/features.h b/features.h index 1249bb50b3..675eac5d52 100644 --- a/features.h +++ b/features.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 93, 95, 96 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 @@ -31,7 +31,7 @@ Cambridge, MA 02139, USA. */ _GNU_SOURCE All of the above, plus GNU extensions. The `-ansi' switch to the GNU C compiler defines __STRICT_ANSI__. - If none of these are defined, the default is _GNU_SOURCE. + If none of these are defined, the default is all but _GNU_SOURCE. If more than one of these are defined, they accumulate. For example __STRICT_ANSI__, _POSIX_SOURCE and _POSIX_C_SOURCE together give you ANSI C, 1003.1, and 1003.2, but nothing else. @@ -69,20 +69,14 @@ Cambridge, MA 02139, USA. */ #undef __FAVOR_BSD -/* If nothing is defined, define _GNU_SOURCE. */ -#if (!defined(_GNU_SOURCE) && !defined(__STRICT_ANSI__) && \ - !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \ - !defined(_BSD_SOURCE) && !defined(_SVID_SOURCE)) -#define _GNU_SOURCE 1 -#endif - - /* Always use ANSI things. */ #define __USE_ANSI 1 /* If _BSD_SOURCE was defined by the user, favor BSD over POSIX. */ -#ifdef _BSD_SOURCE +#if defined (_BSD_SOURCE) && \ + !(defined (_POSIX_SOURCE) || defined (_POSIX_C_SOURCE) || + defiend (_GNU_SOURCE) || defined (_SVID_SOURCE)) #define __FAVOR_BSD 1 #endif |