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sys/features.h: Use _ISOC23_SOURCE instead of _ISOC23_SOURCE and remap _ISOC2x_SOURCE to _ISOC23_SOURCE 

Signed-off-by: Lenard Mollenkopf <newlib@lenardmollenkopf.de>
This commit is contained in:
Lenard Mollenkopf 2024-11-01 15:06:35 +01:00 committed by Corinna Vinschen
parent c607889824
commit 5e0fb305a8
1 changed files with 14 additions and 7 deletions
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21
newlib/libc/include/sys/features.h
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@ -90,8 +90,8 @@ extern "C" {
* _ISOC11_SOURCE or gcc -std=c11 or g++ -std=c++11
* ISO C11
*
* _ISOC2x_SOURCE or gcc -std=c2x or g++ -std=c++20
* ISO C2x
* _ISOC23_SOURCE or _ISOC2X_SOURCE or gcc -std=c23 or g++ -std=c++20
* ISO C23
*
* _ATFILE_SOURCE (implied by _POSIX_C_SOURCE >= 200809L)
* "at" functions
@ -111,6 +111,13 @@ extern "C" {
* Object Size Checking function wrappers
*/
/* Remap the old name _ISOC2X_SOURCE to _ISOC23_SOURCE. */
#ifdef _ISOC2X_SOURCE
# undef _ISOC2X_SOURCE
# undef _ISOC23_SOURCE
# define _ISOC23_SOURCE 1
#endif
#ifdef _GNU_SOURCE
#undef _ATFILE_SOURCE
#define _ATFILE_SOURCE 1
@ -120,8 +127,8 @@ extern "C" {
#define _ISOC99_SOURCE 1
#undef _ISOC11_SOURCE
#define _ISOC11_SOURCE 1
#undef _ISOC2X_SOURCE
#define _ISOC2X_SOURCE 1
#undef _ISOC23_SOURCE
#define _ISOC23_SOURCE 1
#undef _POSIX_SOURCE
#define _POSIX_SOURCE 1
#undef _POSIX_C_SOURCE
@ -228,9 +235,9 @@ extern "C" {
* _ISOC11_SOURCE.
*
* __ISO_C_VISIBLE >= 2020
* ISO C2x; enabled with gcc -std=c2x or newer,
* ISO C23; enabled with gcc -std=c23 or newer,
* g++ -std=c++20 or newer, or with
* _ISOC2X_SOURCE.
* _ISOC23_SOURCE or _ISOC2x_SOURCE.
*
* __ATFILE_VISIBLE
* "at" functions; enabled by default, with _ATFILE_SOURCE,
@ -278,7 +285,7 @@ extern "C" {
#define __GNU_VISIBLE 0
#endif
#if defined(_ISOC2X_SOURCE) || \
#if defined(_ISOC23_SOURCE) || \
(__STDC_VERSION__ - 0) > 201710L || (__cplusplus - 0) >= 202002L
#define __ISO_C_VISIBLE 2020
#elif defined(_ISOC11_SOURCE) || \