--- automake-1.15/doc/help2man 2014-12-30 14:49:41.000000000 +0100 +++ automake-1.15/doc/help2man 2017-04-12 10:40:16.965600755 +0200 @@ -632,11 +632,13 @@ sub get_option_value { my ($prog, $opt) = @_; + $prog = `which $prog`; + chomp($prog); my $stderr = $discard_stderr ? '/dev/null' : '&1'; my $value = join '', map { s/ +$//; expand $_ } map { dec $_ } - `$prog $opt 2>$stderr`; + `perl $prog $opt 2>$stderr`; unless ($value) {