Rename __sentinel to __null_sentinel

GCC 5 uses a conflicting __sentinel definition in include/c++/bits/stl_algo.h

Reported by:	matteo

diff --git a/newlib/libc/include/sys/cdefs.h b/newlib/libc/include/sys/cdefs.h
index f569fc4d06a92fef410dbd1bf2bfd8c6da1a81bd..1e3c6b0435db87ad3d9919c319f43283477f1b86 100644 (file)
--- a/newlib/libc/include/sys/cdefs.h
+++ b/newlib/libc/include/sys/cdefs.h
@@ -464,7 +464,7 @@
 #endif
 
 #if __GNUC_PREREQ__(4, 0)
-#define        __sentinel      __attribute__((__sentinel__))
+#define        __null_sentinel __attribute__((__sentinel__))
 #define        __exported      __attribute__((__visibility__("default")))
 /* Only default visibility is supported on PE/COFF targets. */
 #ifndef __CYGWIN__
@@ -473,7 +473,7 @@
 #define        __hidden
 #endif
 #else
-#define        __sentinel
+#define        __null_sentinel
 #define        __exported
 #define        __hidden
 #endif