[rt.cpan.org #120131] PAR::Packer DynaLoader Problem On Strawberry Perl 5.24.1

Tue Feb 07 15:41:20 2017: Request 120131 was acted upon.
Transaction: Correspondence added by SLAFFAN
       Queue: PAR-Packer
     Subject: PAR::Packer DynaLoader Problem On Strawberry Perl 5.24.1
   Broken in: (no value)
    Severity: (no value)
       Owner: Nobody
  Requestors: [email protected]
      Status: rejected
 Ticket <URL: https://rt.cpan.org/Ticket/Display.html?id=120131 >


Dependency Walker is an alternate means of finding the required dlls.  It lists the full tree, so is particularly when there are large numbers of them.  

http://www.dependencywalker.com/

Shawn.



On Tue Feb 07 14:18:13 2017, [email protected] wrote:
> Roderich,
> 
> That worked. I also linked zlib1__.dll and the program ran with no
> errors. Now I just need to track down the required link commands for
> the
> other three modules I need for my program to run and I'll be good to
> go.
> 
> You really know your stuff.
> 
> Thanks.
> 
> ttfn
> 
> jr
> 
> Roderich Schupp via RT wrote:
> > <URL: https://rt.cpan.org/Ticket/Display.html?id=120131 >
> >
> > On 2017-02-07 12:57:02, [email protected] wrote:
> >
> >> C:\Users\james\AppData\Local\Temp\par-6a616d6573\cache-
> >> c1546264452e74db829440ed61c603745f7769ed> objdump
> >> -ax e88b1fb1.xs.dll | perl -ne "print if /DLL Name/"
> >>          DLL Name: msvcrt.dll
> >>          DLL Name: libpng16-16__.dll
> >>          DLL Name: KERNEL32.dll
> >>          DLL Name: perl524.dll
> >
> > OK, so PNG.xs.dll only links with libpng16-16__.dll, but try the same
> > command on libpng16-16__.dll and you'll see that it's linked with
> > some libz*.dll
> > (which should be added by a --link option).
> >
> >> The original error message tells us that it can't find
> >> e88b1fb1.xs.dll
> >> but the same file is in the executable called PNG.xs.dll. Why is it
> >> able
> >> to find the file if Strawberry Perl is installed on the machine but
> >> not
> >> if it isn't. One of the things I tried is installing Strawberry Perl
> >> on
> >> the machine immediately after getting the error message and starting
> >> a
> >> new command prompt with Strawberry Perl in the path and having the
> >> executable run with no error.
> >
> > The actual error message from Perl is rather misleading. Perl's
> > DynaLoader
> > wants to load the "glue" DLL for Tk::PNG, but it fails because the
> > Windows DLL loader can't find a library that it is directly or
> > indirectly
> > linked with. If the machine you run the executbale on has Strawberry
> > installed,
> > then it *has* the libraries (and the Strawberry installation makes
> > sure that
> > their location is added to the PATH environment variable). If
> > Strawberry isn't
> > installed and the libraries haven't been packed in either, then
> > you'll
> > see the error message.
> >
> > Cheers, Roderich
> >