futex.h (SYS_futex): Define if not already done.

2014-11-21  Steve Ellcey  <sellcey@imgtec.com>

	* config/linux/mips/futex.h (SYS_futex): Define if not already done.

From-SVN: r217952

libgomp/ChangeLog

+2014-11-21  Steve Ellcey  <sellcey@imgtec.com>
+
+	* config/linux/mips/futex.h (SYS_futex): Define if not already done.
+
 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR bootstrap/63784

libgomp/config/linux/mips/futex.h

@@ -25,6 +25,11 @@
 /* Provide target-specific access to the futex system call.  */
 
 #include <sys/syscall.h>
+
+#if !defined (SYS_futex)
+#define SYS_futex __NR_futex
+#endif
+
 #define FUTEX_WAIT 0
 #define FUTEX_WAKE 1