82 lines
1.9 KiB
Perl
Executable File
82 lines
1.9 KiB
Perl
Executable File
#!/usr/local/bin/perl -w
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# Clean the dependency list in a makefile of standard includes...
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# Written by Ben Laurie <ben@algroup.co.uk> 19 Jan 1999
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use strict;
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use Cwd;
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my $path = getcwd();
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$path =~ /([^\/]+)$/;
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$path = $1;
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while(<STDIN>) {
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print;
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last if /^# DO NOT DELETE THIS LINE/;
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}
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my %files;
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# Fetch all the dependency output first
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my $thisfile="";
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while(<STDIN>) {
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my ($dummy, $file,$deps)=/^((.*):)? (.*)$/;
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$thisfile=$file if defined $file;
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next if !defined $deps;
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my @deps=split ' ',$deps;
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@deps=grep(!/^\\$/,@deps);
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push @{$files{$thisfile}},@deps;
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}
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my $file;
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# Time to clean out possible system directories and normalise quirks
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# from different makedepend methods
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foreach $file (sort keys %files) {
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# This gets around a quirk with gcc, which removes all directory
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# information from the original file
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my $tmpfile=$file;
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$tmpfile=~s/\.o$/.c/;
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(my $origfile)=grep(/(^|\/)${tmpfile}$/,@{$files{$file}});
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my $newfile=$origfile;
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$newfile=~s/\.c$/.o/;
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if ($newfile ne $file) {
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$files{$newfile} = $files{$file};
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delete $files{$file};
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$file = $newfile;
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}
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@{$files{$file}} =
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grep(!/^\//,
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grep(!/^$origfile$/, @{$files{$file}}));
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}
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foreach $file (sort keys %files) {
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my $len=0;
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my $dep;
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my $origfile=$file;
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$origfile=~s/\.o$/.c/;
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$file=~s/^\.\///;
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push @{$files{$file}},$origfile;
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my $prevdep="";
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# Remove leading ./ before sorting
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my @deps = map { $_ =~ s/^\.\///; $_ } @{$files{$file}};
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# Remove ../thisdir/
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@deps = map { $_ =~ s|^../$path/||; $_ } @deps;
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foreach $dep (sort @deps) {
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$dep=~s/^\.\///;
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next if $prevdep eq $dep; # to exterminate duplicates...
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$prevdep = $dep;
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$len=0 if $len+length($dep)+1 >= 80;
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if($len == 0) {
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print "\n$file:";
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$len=length($file)+1;
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}
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print " $dep";
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$len+=length($dep)+1;
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}
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}
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print "\n";
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