shithub: mc

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Dump reasons for rebuild in debug.

--- a/build.myr

+++ b/build.myr

@@ -115,6 +115,10 @@

 				stale = true

 			;;

 			if !isfresh(d, out)

+				if opt_debug

+					std.put("Stale %s => %s\n", d, out);

+					pmtime(d, out)

+				;;

 				stale = true

 			;;

 		;;

@@ -277,6 +281,22 @@

 		-> srcsb.mtime.sec < dstsb.mtime.sec

 	else

 		-> srcsb.mtime.nsec < dstsb.mtime.nsec

+	;;

+}

+

+const pmtime = {src, dst

+	var srcsb, dstsb

+

+	if std.stat(src, &srcsb) != 0

+		std.put("\tno %s\n", src)

+	;;

+	if std.stat(dst, &dstsb) != 0

+		std.put("\tno %s\n", dst)

+	;;

+	if srcsb.mtime.sec != dstsb.mtime.sec

+		std.put("\tsrc mtime=%ul, dst mtime=%ul\n", srcsb.mtime.sec, dstsb.mtime.sec)

+	else

+		std.put("\tsrc mtime.nsec=%ul, dst mtime.nsec=%ul\n", srcsb.mtime.nsec, dstsb.mtime.nsec)

 	;;

 }