util/clean-depend.pl

   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     foreach $dep (sort @{$files{$file}}) {
  41         $dep=~s/^\.\///;
  42         next if $prevdep eq $dep; # to exterminate duplicates...
  43         $prevdep = $dep;
  44         $len=0 if $len+length($dep)+1 >= 80;
  45         if($len == 0) {
  46             print "\n$file:";
  47             $len=length($file)+1;
  48         }
  49         print " $dep";
  50         $len+=length($dep)+1;
  51     }
  52 }
  53
  54 print "\n";