blob: 099690378e6911de871cbd3ca0c90a67de56154b
1 | #! /usr/bin/env perl |
2 | |
3 | # This script will print the dependency of a Texinfo file to stdout. |
4 | # texidep.pl <src-path> <input.texi> <output.ext> |
5 | |
6 | use warnings; |
7 | use strict; |
8 | |
9 | die unless @ARGV == 3; |
10 | |
11 | my ($src_path, $root, $target) = @ARGV; |
12 | |
13 | sub print_deps { |
14 | my ($file, $deps) = @_; |
15 | $deps->{$file} = 1; |
16 | |
17 | open(my $fh, "<", "$file") or die "Cannot open file '$file': $!"; |
18 | while (<$fh>) { |
19 | if (my ($i) = /^\@(?:verbatim)?include\s+(\S+)/) { |
20 | die "Circular dependency found in file $root\n" if exists $deps->{"doc/$1"}; |
21 | print "$target: doc/$1\n"; |
22 | |
23 | # skip looking for config.texi dependencies, since it has |
24 | # none, and is not located in the source tree |
25 | if ("$1" ne "config.texi") { |
26 | print_deps("$src_path/doc/$1", {%$deps}); |
27 | } |
28 | } |
29 | } |
30 | } |
31 | |
32 | print_deps($root, {}); |
33 |