1#!/bin/perl -w
2#
3# Cute little builder for perl 
4# Total waste of development time...
5#
6# This will build all the object files and then the archive .a file
7# requires GCC, GNU make and a sense of humour.
8#
9# Tom St Denis
10use strict;
11
12my $count = 0;
13my $starttime = time;
14my $rate  = 0;
15print "Scanning for source files...\n";
16foreach my $filename (glob "*.c") {
17       ++$count;
18}
19print "Source files to build: $count\nBuilding...\n";
20my $i = 0;
21my $lines = 0;
22my $filesbuilt = 0;
23foreach my $filename (glob "*.c") {
24       printf("Building %3.2f%%, ", (++$i/$count)*100.0);
25       if ($i % 4 == 0) { print "/, "; }
26       if ($i % 4 == 1) { print "-, "; }
27       if ($i % 4 == 2) { print "\\, "; }
28       if ($i % 4 == 3) { print "|, "; }
29       if ($rate > 0) {
30           my $tleft = ($count - $i) / $rate;
31           my $tsec  = $tleft%60;
32           my $tmin  = ($tleft/60)%60;
33           my $thour = ($tleft/3600)%60;
34           printf("%2d:%02d:%02d left, ", $thour, $tmin, $tsec);
35       }
36       my $cnt = ($i/$count)*30.0;
37       my $x   = 0;
38       print "[";
39       for (; $x < $cnt; $x++) { print "#"; }
40       for (; $x < 30; $x++)   { print " "; }
41       print "]\r";
42       my $tmp = $filename;
43       $tmp =~ s/\.c/".o"/ge;
44       if (open(SRC, "<$tmp")) {
45          close SRC;
46       } else {
47          !system("make $tmp > /dev/null 2>/dev/null") or die "\nERROR: Failed to make $tmp!!!\n";
48          open( SRC, "<$filename" ) or die "Couldn't open $filename for reading: $!";
49          ++$lines while (<SRC>);
50          close SRC or die "Error closing $filename after reading: $!";
51          ++$filesbuilt;
52       }      
53
54       # update timer 
55       if (time != $starttime) {
56          my $delay = time - $starttime;
57          $rate = $i/$delay;
58       }
59}
60
61# finish building the library 
62printf("\nFinished building source (%d seconds, %3.2f files per second).\n", time - $starttime, $rate);
63print "Compiled approximately $filesbuilt files and $lines lines of code.\n";
64print "Doing final make (building archive...)\n";
65!system("make > /dev/null 2>/dev/null") or die "\nERROR: Failed to perform last make command!!!\n";
66print "done.\n";