features.h: enable ISOC11 definitions for _GNU_SOURCE and C++17

this is needed for GCC to build after the aligned_alloc introduction

Change-Id: Ieae32a050cc000561107c4a07cf10c912a196152
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3896
Reviewed-by: Jérôme Duval <jerome.duval@gmail.com>
This commit is contained in:
Zoltán Mizsei 2021-05-02 13:07:42 +02:00 committed by Jérôme Duval
parent 0319710ec5
commit 144f45a030

View File

@ -12,11 +12,21 @@
#define _DEFAULT_SOURCE
#endif
#if defined(_GNU_SOURCE)
#undef _ISOC11_SOURCE
#define _ISOC11_SOURCE
#undef _DEFAULT_SOURCE
#define _DEFAULT_SOURCE
#endif
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
#undef _ISOC11_SOURCE
#define _ISOC11_SOURCE
#endif
#if defined(__cplusplus) && __cplusplus >= 201703L
#undef _ISOC11_SOURCE
#define _ISOC11_SOURCE
#endif
#endif // _FEATURES_H