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cygwin: make POSIX/XSI version macros dependent on feature test macros 

Each version of SUS specifies a different value for _POSIX_VERSION,
_POSIX2_VERSION, and _XOPEN_VERSION.  glibc also changes the value
of the other _POSIX2_ variables but not the _POSIX_* variables.

_POSIX_TIMERS should be set to a version number, not just 1.

The _POSIX_V7_* macros were missing, which was not noticed because
the V6 values were aliased in sysconf (<unistd.h>).

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz 2016-04-01 17:22:23 -05:00
parent 0008bdea02
commit d55d03a87d
1 changed files with 37 additions and 10 deletions
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47
newlib/libc/include/sys/features.h
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@ -382,10 +382,27 @@ extern "C" {
#ifdef __CYGWIN__
#if !defined(__STRICT_ANSI__) || defined(__cplusplus) || __STDC_VERSION__ >= 199901L
#if __POSIX_VISIBLE >= 200809
#define _POSIX_VERSION 200809L
#define _POSIX2_VERSION 200809L
#define _XOPEN_VERSION 600
#elif __POSIX_VISIBLE >= 200112
#define _POSIX_VERSION 200112L
#define _POSIX2_VERSION 200112L
#elif __POSIX_VISIBLE >= 199506
#define _POSIX_VERSION 199506L
#define _POSIX2_VERSION 199506L
#elif __POSIX_VISIBLE >= 199309
#define _POSIX_VERSION 199309L
#define _POSIX2_VERSION 199209L
#elif __POSIX_VISIBLE >= 199209
#define _POSIX_VERSION 199009L
#define _POSIX2_VERSION 199209L
#elif __POSIX_VISIBLE
#define _POSIX_VERSION 199009L
#endif
#if __XSI_VISIBLE >= 4
#define _XOPEN_VERSION __XSI_VISIBLE
#endif
#define _POSIX_ADVISORY_INFO 200809L
/* #define _POSIX_ASYNCHRONOUS_IO -1 */
@ -428,16 +445,19 @@ extern "C" {
/* #define _POSIX_THREAD_SPORADIC_SERVER -1 */
#define _POSIX_THREADS 200809L
/* #define _POSIX_TIMEOUTS -1 */
#define _POSIX_TIMERS 1
#define _POSIX_TIMERS 200809L
/* #define _POSIX_TRACE -1 */
/* #define _POSIX_TRACE_EVENT_FILTER -1 */
/* #define _POSIX_TRACE_INHERIT -1 */
/* #define _POSIX_TRACE_LOG -1 */
/* #define _POSIX_TYPED_MEMORY_OBJECTS -1 */
#define _POSIX_VDISABLE '\0'
#define _POSIX2_C_BIND 200809L
#define _POSIX2_C_DEV 200809L
#define _POSIX2_CHAR_TERM 200809L
#if __POSIX_VISIBLE >= 2
#define _POSIX2_C_VERSION _POSIX2_VERSION
#define _POSIX2_C_BIND _POSIX2_VERSION
#define _POSIX2_C_DEV _POSIX2_VERSION
#define _POSIX2_CHAR_TERM _POSIX2_VERSION
/* #define _POSIX2_FORT_DEV -1 */
/* #define _POSIX2_FORT_RUN -1 */
/* #define _POSIX2_LOCALEDEF -1 */
@ -447,8 +467,10 @@ extern "C" {
/* #define _POSIX2_PBS_LOCATE -1 */
/* #define _POSIX2_PBS_MESSAGE -1 */
/* #define _POSIX2_PBS_TRACK -1 */
#define _POSIX2_SW_DEV 200809L
#define _POSIX2_UPE 200809L
#define _POSIX2_SW_DEV _POSIX2_VERSION
#define _POSIX2_UPE _POSIX2_VERSION
#endif /* __POSIX_VISIBLE >= 2 */
#define _POSIX_V6_ILP32_OFF32 -1
#ifdef __LP64__
#define _POSIX_V6_ILP32_OFFBIG -1
@ -459,10 +481,16 @@ extern "C" {
#define _POSIX_V6_LP64_OFF64 -1
#define _POSIX_V6_LPBIG_OFFBIG -1
#endif
#define _POSIX_V7_ILP32_OFF32 _POSIX_V6_ILP32_OFF32
#define _POSIX_V7_ILP32_OFFBIG _POSIX_V6_ILP32_OFFBIG
#define _POSIX_V7_LP64_OFF64 _POSIX_V6_LP64_OFF64
#define _POSIX_V7_LPBIG_OFFBIG _POSIX_V6_LPBIG_OFFBIG
#define _XBS5_ILP32_OFF32 _POSIX_V6_ILP32_OFF32
#define _XBS5_ILP32_OFFBIG _POSIX_V6_ILP32_OFFBIG
#define _XBS5_LP64_OFF64 _POSIX_V6_LP64_OFF64
#define _XBS5_LPBIG_OFFBIG _POSIX_V6_LPBIG_OFFBIG
#if __XSI_VISIBLE
#define _XOPEN_CRYPT 1
#define _XOPEN_ENH_I18N 1
/* #define _XOPEN_LEGACY -1 */
@ -471,8 +499,7 @@ extern "C" {
#define _XOPEN_SHM 1
/* #define _XOPEN_STREAMS -1 */
/* #define _XOPEN_UNIX -1 */
#endif /* !__STRICT_ANSI__ || __cplusplus || __STDC_VERSION__ >= 199901L */
#endif /* __XSI_VISIBLE */
/* The value corresponds to UNICODE version 4.0, which is the version
supported by XP. Newlib supports 5.2 (2011) but so far Cygwin needs