Forward-ported from part of cl/51276043 (from cl/38025-p2).
(ppluzhnikov, google-local)
+include/features.h
+ Add __GOOGLE_GRTE_VERSION__ for GRTEv4 usage.
+ Forward-ported with date and comment changed from cl/51277131.
+ (ppluzhnikov, google-local)
+
#define __GLIBC_PREREQ(maj, min) \
((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min))
+/* GRTEv4 (glibc-2.19) date */
+#define __GOOGLE_GRTE_VERSION__ 20140228L
+
/* This is here only because every header file already includes this one. */
#ifndef __ASSEMBLER__
# ifndef _SYS_CDEFS_H