gdb-7.6.x:

 * add patch fixing (actually workarounding) "GDB bug: target.c (gdb_signal_from_host): unrecognized real-time signal"-problem
 * refs [https://sourceware.org/bugzilla/show_bug.cgi?id=14523 gdb-bug-14523], patch taken from OpenWrt


git-svn-id: file:///var/svn/freetz/trunk@11569 149334a1-2f27-0410-a3b9-fc62619ac1e6

make/gdb/patches/7.6.2/001-gdb-pr14523-mips-signal-number.patch

@@ -0,0 +1,16 @@
+See http://sourceware.org/bugzilla/show_bug.cgi?id=14523
+
+--- gdb/common/signals.c
++++ gdb/common/signals.c
+@@ -346,6 +346,11 @@
+       else if (64 <= hostsig && hostsig <= 127)
+ 	return (enum gdb_signal)
+ 	  (hostsig - 64 + (int) GDB_SIGNAL_REALTIME_64);
++      else if (hostsig == 128)
++	/* Some platforms, such as Linux MIPS, have NSIG == 128, in which case
++	   signal 128 is the highest realtime signal. There is no constant for
++	   that though. */
++	return GDB_SIGNAL_UNKNOWN;
+       else
+ 	error (_("GDB bug: target.c (gdb_signal_from_host): "
+ 	       "unrecognized real-time signal"));