Thanks for your post. I'll give the cava packager a try.

But fortunately I found a solution to this pp challenge myself.

1. Create par consisting of main_script and its helper scripts with all their dependencies:

   pp -p -o perl_app.par main_script.pl helper_script1.pl helper_script2.pl

2. Open perl_app.par with an archive program and add to the /script folder a main.pl file.

   main.pl:

   if (defined $ENV{PAR_APP_REUSE}) {
       warn "Executable was created without the --reusable option. See 'p
   +erldoc pp'.\n";
       exit(1);
   }
   
   my $zip = $PAR::LibCache{$ENV{PAR_PROGNAME}} || Archive::Zip->new(__FI
   +LE__);
   my $member = eval { $zip->memberNamed('script/main_script.pl') }
           or die qq(main.pl: Can't open perl script "script/main_script.
   +pl": No such file or directory ($zip));
   
   PAR::_run_member($member, 1);
   [download]

3. Create perl_app.exe as follows:

   pp -o perl_app.exe perl_app.par

In the main_script you can then call the helper_scripts as follows (example with helper_script1.pl):

my $cmd;
if ( defined $ENV{PAR_TEMP} )
{
    $cmd = "perl $ENV{PAR_TEMP}/inc/script/helper_script1.pl";
}
else
{
    $cmd = "perl helper_script1.pl";
}

# execute cmd
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Did you try that without an installed perl?

No, I didn't try it without an installed Perl. You are right. I'll try this evening and post you if it worked.