util/add-depends.pl: add the possibility for debug printouts
@@ -19,6 +19,7 @@ use File::Compare qw(compare_text);
# data. This doesn't affect the mtime field, so we're not losing anything...
${^WIN32_SLOPPY_STAT} = 1;
+my $debug = $ENV{ADD_DEPENDS_DEBUG};
my $buildfile = $config{build_file};
my $build_mtime = (stat($buildfile))[9];
my $rebuild = 0;
