* remote.c (readchar): forward declare alarm which otherwise looks

like an undeclared variable to gcc.

gdb/ChangeLog

@@ -1,5 +1,8 @@
 Wed Feb 17 13:40:29 1993  K. Richard Pixley  (rich@cygnus.com)
 
+	* remote.c (readchar): forward declare alarm which otherwise looks
+	  like an undeclared variable to gcc.
+
 	* dbxread.c (process_one_symbol): cast enum value N_SO into int
 	  when comparing against an int.  Avoids superfluous warning from
 	  vax ultrix 4.2 cc.

gdb/remote.c

@@ -737,6 +737,10 @@ readchar ()
 
   if (inbuf_index >= inbuf_count)
     {
+#ifndef HAVE_TERMIO
+      extern int alarm ();
+#endif
+
       /* Time to do another read... */
       inbuf_index = 0;
       inbuf_count = 0;