My version of fenner's "make world" log summarizer.

tools/tools/whereintheworld/Makefile

@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+SCRIPTS=	whereintheworld.pl
+
+.include <bsd.prog.mk>

tools/tools/whereintheworld/whereintheworld.pl

@@ -0,0 +1,59 @@
+#!/usr/bin/perl -w
+#
+# whereintheworld
+# Parses "make world" output and summarize where it's been so far.
+#
+# Bill Fenner <fenner@freebsd.org> 11 January 2000
+# Dag-Erling Smørgrav <des@freebsd.org> 09 January 2003
+#
+# $Id: whereintheworld,v 1.3 2000/01/28 00:42:32 fenner Exp $
+# $FreeBSD$
+#
+use strict;
+
+my $line;
+my $inside = 0;
+my @lines = ();
+my $thresh = 10;
+my $lastwasdash = 0;
+my $width = $ENV{COLUMNS} || 80;
+my $elided = 0;
+
+while ($line = <>) {
+	if ($line =~ /^------------/) {
+		$inside = !$inside;
+		print $line unless ($lastwasdash);
+		$lastwasdash = 1;
+		@lines = ();
+		next;
+	}
+	if ($inside && $line =~ /^>>>/) {
+		print $line;
+		$lastwasdash = 0;
+		next;
+	}
+	if ($line =~ /^=+>/) {
+	    @lines = ();
+	}
+	if (length($line) >= $width) {
+	    substr($line, $width - 7) = " [...]\n";
+	}
+	push(@lines, $line);
+	if ($line =~ /^\*\*\* Error/ && $line !~ /\(ignored\)/) {
+		print @lines;
+		while ($line = <>) {
+			print $line;
+		}
+		exit;
+	}
+}
+
+print shift(@lines);
+while (@lines > $thresh) {
+    shift(@lines);
+    ++$elided;
+}
+if ($elided > 0) {
+    print "[$elided lines elided]\n";
+}
+print @lines;