Glibc and musl both defines this macro.
Glibc defines it for 64-bit time_t on 32-bit arch
and for 64-bit architectures.
Signed-off-by: Dmitry Chestnykh <dm.chestnykh(a)gmail.com>
---
include/features.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/features.h b/include/features.h
index 11b34205f..b5d4e79f2 100644
--- a/include/features.h
+++ b/include/features.h
@@ -437,4 +437,8 @@
# include <libc-internal.h>
#endif
+#if defined(__UCLIBC_USE_TIME64__) || __TARGET_ARCH_BITS__ == 64
+#define __USE_TIME_BITS64 1
+#endif
+
#endif /* features.h */
--
2.44.0