diff options
Diffstat (limited to 'newlib/libc/include/sys/cdefs.h')
| -rw-r--r-- | newlib/libc/include/sys/cdefs.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/newlib/libc/include/sys/cdefs.h b/newlib/libc/include/sys/cdefs.h index 773ac25d6..2a55a92e9 100644 --- a/newlib/libc/include/sys/cdefs.h +++ b/newlib/libc/include/sys/cdefs.h @@ -624,132 +624,6 @@ #define __DEQUALIFY(type, var) ((type)(__uintptr_t)(const volatile void *)(var)) #endif -/*- - * The following definitions are an extension of the behavior originally - * implemented in <sys/_posix.h>, but with a different level of granularity. - * POSIX.1 requires that the macros we test be defined before any standard - * header file is included. - * - * Here's a quick run-down of the versions: - * defined(_POSIX_SOURCE) 1003.1-1988 - * _POSIX_C_SOURCE == 1 1003.1-1990 - * _POSIX_C_SOURCE == 2 1003.2-1992 C Language Binding Option - * _POSIX_C_SOURCE == 199309 1003.1b-1993 - * _POSIX_C_SOURCE == 199506 1003.1c-1995, 1003.1i-1995, - * and the omnibus ISO/IEC 9945-1: 1996 - * _POSIX_C_SOURCE == 200112 1003.1-2001 - * _POSIX_C_SOURCE == 200809 1003.1-2008 - * - * In addition, the X/Open Portability Guide, which is now the Single UNIX - * Specification, defines a feature-test macro which indicates the version of - * that specification, and which subsumes _POSIX_C_SOURCE. - * - * Our macros begin with two underscores to avoid namespace screwage. - */ - -/* Deal with _GNU_SOURCE, which implies everything and the kitchen sink */ -#ifdef _GNU_SOURCE -#undef _XOPEN_SOURCE -#define _XOPEN_SOURCE 700 -#define __BSD_VISIBLE 1 -#define __GNU_VISIBLE 1 -#endif - -/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */ -#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1 -#undef _POSIX_C_SOURCE /* Probably illegal, but beyond caring now. */ -#define _POSIX_C_SOURCE 199009 -#endif - -/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */ -#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2 -#undef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 199209 -#endif - -/* Deal with various X/Open Portability Guides and Single UNIX Spec. */ -#ifdef _XOPEN_SOURCE -#if _XOPEN_SOURCE - 0 >= 700 -#define __XSI_VISIBLE 700 -#undef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 200809 -#elif _XOPEN_SOURCE - 0 >= 600 -#define __XSI_VISIBLE 600 -#undef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 200112 -#elif _XOPEN_SOURCE - 0 >= 500 -#define __XSI_VISIBLE 500 -#undef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 199506 -#endif -#endif - -/* - * Deal with all versions of POSIX. The ordering relative to the tests above is - * important. - */ -#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) -#define _POSIX_C_SOURCE 198808 -#endif -#ifdef _POSIX_C_SOURCE -#if _POSIX_C_SOURCE >= 200809 -#define __POSIX_VISIBLE 200809 -#define __ISO_C_VISIBLE 1999 -#elif _POSIX_C_SOURCE >= 200112 -#define __POSIX_VISIBLE 200112 -#define __ISO_C_VISIBLE 1999 -#elif _POSIX_C_SOURCE >= 199506 -#define __POSIX_VISIBLE 199506 -#define __ISO_C_VISIBLE 1990 -#elif _POSIX_C_SOURCE >= 199309 -#define __POSIX_VISIBLE 199309 -#define __ISO_C_VISIBLE 1990 -#elif _POSIX_C_SOURCE >= 199209 -#define __POSIX_VISIBLE 199209 -#define __ISO_C_VISIBLE 1990 -#elif _POSIX_C_SOURCE >= 199009 -#define __POSIX_VISIBLE 199009 -#define __ISO_C_VISIBLE 1990 -#else -#define __POSIX_VISIBLE 198808 -#define __ISO_C_VISIBLE 0 -#endif /* _POSIX_C_SOURCE */ -#else -/*- - * Deal with _ANSI_SOURCE: - * If it is defined, and no other compilation environment is explicitly - * requested, then define our internal feature-test macros to zero. This - * makes no difference to the preprocessor (undefined symbols in preprocessing - * expressions are defined to have value zero), but makes it more convenient for - * a test program to print out the values. - * - * If a program mistakenly defines _ANSI_SOURCE and some other macro such as - * _POSIX_C_SOURCE, we will assume that it wants the broader compilation - * environment (and in fact we will never get here). - */ -#if defined(_ANSI_SOURCE) /* Hide almost everything. */ -#define __POSIX_VISIBLE 0 -#define __XSI_VISIBLE 0 -#define __BSD_VISIBLE 0 -#define __ISO_C_VISIBLE 1990 -#elif defined(_C99_SOURCE) /* Localism to specify strict C99 env. */ -#define __POSIX_VISIBLE 0 -#define __XSI_VISIBLE 0 -#define __BSD_VISIBLE 0 -#define __ISO_C_VISIBLE 1999 -#elif defined(_C11_SOURCE) /* Localism to specify strict C11 env. */ -#define __POSIX_VISIBLE 0 -#define __XSI_VISIBLE 0 -#define __BSD_VISIBLE 0 -#define __ISO_C_VISIBLE 2011 -#else /* Default: everything except __GNU_VISIBLE. */ -#define __POSIX_VISIBLE 200809 -#define __XSI_VISIBLE 700 -#define __BSD_VISIBLE 1 -#define __ISO_C_VISIBLE 2011 -#endif -#endif - /* * Type Safety Checking * |