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       Perl 5.8.0 cannot be built in AmigaOS.  You can use either
       the maintenance release Perl 5.6.1 or the development
       release Perl 5.7.2 in AmigaOS.  See "PERL 5.8.0 BROKEN IN
       AMIGAOS" if you want to help fixing this problem.


       One can read this document in the following formats:

               man perlamiga
               multiview perlamiga.guide

       to list some (not all may be available simultaneously), or
       it may be read as is: either as README.amiga, or pod/per­

       A recent version of perl for the Amiga can be found at the
       Geek Gadgets section of the Aminet:



       Prerequisites for Compiling Perl on AmigaOS

       Unix emulation for AmigaOS: ixemul.library
             You need the Unix emulation for AmigaOS, whose most
             important part is ixemul.library. For a minimum
             setup, get the latest versions of the following
             packages from the Aminet archives (
             http://www.aminet.net/~aminet/ ):


             Note also that this is a minimum setup; you might
             want to add other packages of ADE (the Amiga Devel­
             opers Environment).

       Version of Amiga OS
             You need at the very least AmigaOS version 2.0. Rec­
             ommended is version 3.1.

       Starting Perl programs under AmigaOS

       Start your Perl program foo with arguments "arg1 arg2
       arg3" the same way as on any other platform, by

               perl foo arg1 arg2 arg3

       If you want to specify perl options "-my_opts" to the perl

       Shortcomings of Perl under AmigaOS

       Perl under AmigaOS lacks some features of perl under UNIX
       because of deficiencies in the UNIX-emulation, most

       ˇ     fork()

       ˇ     some features of the UNIX filesystem regarding link
             count and file dates

       ˇ     inplace operation (the -i switch) without backup

       ˇ     umask() works, but the correct permissions are only
             set when the file is finally close()d


       Change to the installation directory (most probably ADE:),
       and extract the binary distribution:

       lha -mraxe x perl-$VERSION-bin.lha


       tar xvzpf perl-$VERSION-bin.tgz

       (Of course you need lha or tar and gunzip for this.)

       For installation of the Unix emulation, read the appropri­
       ate docs.

Accessing documentation

       Manpages for Perl on AmigaOS

       If you have "man" installed on your system, and you
       installed perl manpages, use something like this:

               man perlfunc
               man less
               man ExtUtils.MakeMaker

       to access documentation for different components of Perl.
       Start with

               man perl

       Note: You have to modify your man.conf file to search for
       manpages in the /ade/lib/perl5/man/man3 directory, or the
       man pages for the perl library will not be found.


       After this you can direct your browser the file perl.html
       in this directory, and go ahead with reading docs.

       Alternatively you may be able to get these docs prebuilt
       from "CPAN".

       Perl GNU Info Files on AmigaOS

       Users of "Emacs" would appreciate it very much, especially
       with "CPerl" mode loaded. You need to get latest
       "pod2info" from "CPAN", or, alternately, prebuilt info

       Perl LaTeX Documentation on AmigaOS

       Can be constructed using "pod2latex".


       Here we discuss how to build Perl under AmigaOS.

       Build Prerequisites for Perl on AmigaOS

       You need to have the latest ixemul (Unix emulation for
       Amiga) from Aminet.

       Getting the Perl Source for AmigaOS

       You can either get the latest perl-for-amiga source from
       Ninemoons and extract it with:

         tar xvzpf perl-$VERSION-src.tgz

       or get the official source from CPAN:


       Extract it like this

         tar xvzpf perl-$VERSION.tar.gz

       You will see a message about errors while extracting Con­
       figure. This is normal and expected. (There is a conflict
       with a similarly-named file configure, but it causes no

       Making Perl on AmigaOS

       Remember to use a hefty wad of stack (I use 2000000)

         sh configure.gnu --prefix=/gg

       Some tests will be skipped because they need the fork()

       io/pipe.t, op/fork.t, lib/filehand.t, lib/open2.t,
       lib/open3.t, lib/io_pipe.t, lib/io_sock.t

       Installing the built Perl on AmigaOS


         make install


       As told above, Perl 5.6.1 was still good in AmigaOS, as
       was 5.7.2.  After Perl 5.7.2 (change #11423, see the
       Changes file, and the file pod/perlhack.pod for how to get
       the individual changes) Perl dropped its internal support
       for vfork(), and that was very probably the step that
       broke AmigaOS (since the ixemul library has only vfork).
       The build finally fails when the ext/DynaLoader is being
       built, and PERL ends up as "0" in the produced Makefile,
       trying to run "0" does not quite work.  Also, executing
       miniperl in backticks seems to generate nothing: very
       probably related to the (v)fork problems.  Fixing the
       breakage requires someone quite familiar with the ixemul
       library, and how one is supposed to run external commands
       in AmigaOS without ffoorrkk(()).


       Norbert Pueschel, pueschel@imsdd.meb.uni-bonn.de Jan-Erik
       Karlsson, trg@privat.utfors.se



perl v5.8.1                 2003-09-02               PERLAMIGA(1)

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