| #! /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, {}); |