9006 parallel loader builds fail sporadically

@@ -27,13 +27,15 @@
 clean:=         TARGET= clean
 clobber:=       TARGET= clobber
 
 .KEEP_STATE:
 
+pxeldr: loader
+
 all clean clobber: $(SUBDIRS)
 
-install: all $(INSTDIRS)
+install: all .WAIT $(INSTDIRS)
 
 FRC:
 
 $(SUBDIRS): FRC
         @cd $@; pwd; $(MAKE) $(TARGET)