+ # Check whether to support alternative target configurations
+Index: openwrt/dl/gdb-7.2/gdb/gdbserver/configure
+===================================================================
+--- gdb-7.2/gdb/gdbserver/configure
++++ gdb-7.2/gdb/gdbserver/configure
+@@ -2151,7 +2151,7 @@ $as_echo "$as_me: error: \`$ac_var' was
+ ac_cache_corrupted=: ;;
+ ,);;
+ *)
+- if test "x$ac_old_val" != "x$ac_new_val"; then
++ if test "`echo x$ac_old_val`" != "`echo x$ac_new_val`"; then
+ # differences in whitespace do not lead to failure.
+ ac_old_val_w=`echo x $ac_old_val`
+ ac_new_val_w=`echo x $ac_new_val`