1: #!/usr/local/bin/perl -w
    2: # Clean the dependency list in a makefile of standard includes...
    3: # Written by Ben Laurie <ben@algroup.co.uk> 19 Jan 1999
    4: 
    5: use strict;
    6: 
    7: while(<STDIN>) {
    8:     print;
    9:     last if /^# DO NOT DELETE THIS LINE/;
   10: }
   11: 
   12: my %files;
   13: 
   14: my $thisfile="";
   15: while(<STDIN>) {
   16:     my ($dummy, $file,$deps)=/^((.*):)? (.*)$/;
   17:     my $origfile="";
   18:     $thisfile=$file if defined $file;
   19:     next if !defined $deps;
   20:     $origfile=$thisfile;
   21:     $origfile=~s/\.o$/.c/;
   22:     my @deps=split ' ',$deps;
   23:     @deps=grep(!/^\//,@deps);
   24:     @deps=grep(!/^\\$/,@deps);
   25:     @deps=grep(!/^$origfile$/,@deps);
   26: # pull out the kludged kerberos header (if present).
   27:     @deps=grep(!/^[.\/]+\/krb5.h/,@deps);
   28:     push @{$files{$thisfile}},@deps;
   29: }
   30: 
   31: my $file;
   32: foreach $file (sort keys %files) {
   33:     my $len=0;
   34:     my $dep;
   35:     my $origfile=$file;
   36:     $origfile=~s/\.o$/.c/;
   37:     $file=~s/^\.\///;
   38:     push @{$files{$file}},$origfile;
   39:     my $prevdep="";
   40: 
   41:     # Remove leading ./ before sorting
   42:     my @deps = map { $_ =~ s/^\.\///; $_ } @{$files{$file}};
   43: 
   44:     foreach $dep (sort @deps) {
   45:         next if $prevdep eq $dep; # to exterminate duplicates...
   46:         $prevdep = $dep;
   47:         $len=0 if $len+length($dep)+1 >= 80;
   48:         if($len == 0) {
   49:             print "\n$file:";
   50:             $len=length($file)+1;
   51:         }
   52:         print " $dep";
   53:         $len+=length($dep)+1;
   54:     }
   55: }
   56: 
   57: print "\n";