awk.Makefile: Don't patch vio2vo; instead add quick2vo

awk.Makefile

@@ -19,17 +19,16 @@
 	next
 }
 
-# Patch vio2vo to (a) run "make quick" with the same number of jobs, ensuring
+# Add new target quick2vo to (a) run "make quick" with the same number of jobs, ensuring
 # that the .vio files are up-to-date, and (b) only schedule vio2vo for those
 # files where the .vo is *older* than the .vio.
 /^vio2vo:/ {
-	print "vio2vo:";
+	print "quick2vo:";
 	print "\t@make -j $(J) quick"
-	print "\t@VIOFILES=$$(for file in $(VOFILES:%.vo=%.vio); do vofile=\"$$(echo \"$$file\" | sed \"s/\\.vio/.vo/\")\"; if [ \"$$vofile\" -ot \"$$file\" -o ! -e \"$$vofile\" ]; then echo -n \"$$file \"; fi; done); \\"
+	print "\t@VIOFILES=$$(for vofile in $(VOFILES); do viofile=\"$$(echo \"$$vofile\" | sed \"s/\\.vo/.vio/\")\"; if [ \"$$vofile\" -ot \"$$viofile\" -o ! -e \"$$vofile\" ]; then echo -n \"$$viofile \"; fi; done); \\"
 	print "\t echo \"VIO2VO: $$VIOFILES\"; \\"
-	print "\t if [ -n \"$$VIOFILES\" ]; then $(COQC) $(COQDEBUG) $(COQFLAGS) -schedule-vio2vo $(J) $$VIOFILES; fi"
-	getline;
-	next
+	print "\t if [ -n \"$$VIOFILES\" ]; then $(TIMER) $(COQC) $(COQDEBUG) $(COQFLAGS) -schedule-vio2vo $(J) $$VIOFILES; fi"
+	print ".PHONY: quick2vo"
 }
 
 # This forwards all unchanged lines