- cleaned up makefiles

- polished code to avoid warnings

tecs/sys_select.c

@@ -5,7 +5,7 @@
 
 static int lastFd=-1;
 static struct termios atts;
-static echo=1;
+static int echo=1;
 
 void sys_keys_on(void) {
   int iret;
@@ -35,7 +35,7 @@ void sys_keys_off(void) {
 }
 
 int sys_select_or_key(fd_set *mask, int msecTmo, char *key) {
-  int chan, fd, iret, fd1, m, chr;
+  int fd, iret, fd1, chr;
   struct timeval tmo, tmo0={0,0};
   fd_set rmask;