source3/script/expand-includes.pl

   1 #!/usr/bin/perl
   2 # Expand the include lines in a Makefile
   3 # Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
   4 # Published under the GNU GPLv3 or later
   5
   6 my $depth = 0;
   7
   8 sub process($)
   9 {
  10         my ($f) = @_;
  11         $depth++;
  12         die("Recursion in $f?") if ($depth > 100);
  13         open(IN, $f) or die("Unable to open $f: $!");
  14         foreach (<IN>) {
  15                 my $l = $_;
  16                 if ($l =~ /^include (.*)$/) {
  17                         process($1);
  18                 } else {
  19                         print $l;
  20                 }
  21         }
  22         $depth--;
  23 }
  24
  25 my $path = shift;
  26 unless ($path) {
  27         print STDERR "Usage: $0 Makefile.in > Makefile-noincludes.in\n";
  28         exit(1);
  29 }
  30 process($path);