mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 00:32:31 +00:00
33 lines
865 B
Perl
33 lines
865 B
Perl
|
#! /usr/bin/env perl
|
||
|
|
|
||
|
|
# This script will print the dependency of a Texinfo file to stdout.
|
||
|
|
# texidep.pl <src-path> <input.texi> <output.ext>
|
||
|
|
|
||
|
|
use warnings;
|
||
|
|
use strict;
|
||
|
|
|
||
|
|
die unless @ARGV == 3;
|
||
|
|
|
||
|
|
my ($src_path, $root, $target) = @ARGV;
|
||
|
|
|
||
|
|
sub print_deps {
|
||
|
|
my ($file, $deps) = @_;
|
||
|
|
$deps->{$file} = 1;
|
||
|
|
|
||
|
|
open(my $fh, "<", "$file") or die "Cannot open file '$file': $!";
|
||
|
|
while (<$fh>) {
|
||
|
|
if (my ($i) = /^\@(?:verbatim)?include\s+(\S+)/) {
|
||
|
|
die "Circular dependency found in file $root\n" if exists $deps->{"doc/$1"};
|
||
|
|
print "$target: doc/$1\n";
|
||
|
|
|
||
|
|
# skip looking for config.texi dependencies, since it has
|
||
|
|
# none, and is not located in the source tree
|
||
|
|
if ("$1" ne "config.texi") {
|
||
|
|
print_deps("$src_path/doc/$1", {%$deps});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
print_deps($root, {});
|