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 <[email protected]>
2021-05-04 05:25:52 +00:00
parent 0319710ec5
commit 144f45a030
1 changed files with 10 additions and 0 deletions
@@ -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