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PERLAMIGA(1)


NAME

  perlamiga - Perl under Amiga OS


SYNOPSIS

  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/perlamiga.pod.

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

	http://www.aminet.net/~aminet/dirs/dev_gg.html


DESCRIPTION

  Prerequisites

  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/):

		ixemul-bin
		ixemul-env-bin
		pdksh-bin

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

  Version of Amiga OS
	You need at the very least AmigaOS version 2.0. Recommended 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 itself (as
  opposed to to your program), use

	  perl -my_opts foo arg1 arg2 arg3

  Alternately, you can try to get a replacement for the system's Execute
  command that honors the #!/usr/bin/perl syntax in scripts and set the s-Bit
  of your scripts. Then you can invoke your scripts like under UNIX with

	  foo arg1 arg2 arg3

  (Note that having *nixish full path to perl /usr/bin/perl is not necessary,
  perl would be enough, but having full path would make it easier to use your
  script under *nix.)

  Shortcomings of Perl under AmigaOS

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

  ·   fork()

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

  ·   inplace operation (the -i switch) without backup file

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


INSTALLATION

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

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

  or

  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 appropriate docs.


Accessing documentation

  Manpages

  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.

  Note that dot (.) is used as a package separator for documentation for
  packages, and as usual, sometimes you need to give the section - "3" above
  - to avoid shadowing by the less(1) manpage.

  HTML

  If you have some WWW browser available, you can build HTML docs.  Cd to
  directory with .pod files, and do like this

	  cd /ade/lib/perl5/pod
	  pod2html

  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".

  GNU "info" files

  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 pages.

  "LaTeX" docs

  can be constructed using "pod2latex".


BUILD

  Here we discuss how to build Perl under AmigaOS.

  Prerequisites

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

  Getting the perl source

  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:

    http://www.perl.com/CPAN/src/5.0

  Extract it like this

    tar xvzpf perl-$VERSION.tar.gz

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

  Making

  ·   remember to use a healthy sized stack (I used 2000000)

  ·   your PATH environment variable must include /bin (e.g. ".:/bin" is
      good) (or, more precisely, it must include the directory where you have
      your basic UNIX utilities like test, cat, sed, and so on)

  ·
	sh Configure -Dprefix=/ade -Dloclibpth=/ade/lib

  ·   fix makedepend

	      In the file 'makedepend' there are three spots like this `$cat ...`:
	      a for loop near line 75, an egrep near line 161, and a for loop near
	      line 175.	 In all those spots using an editor change the $cat to
	      /bin/cat.

  ·   now type make depend

	      When the make depend has ended load the gnumakefile into
	      an editor and go to the end of the file.

	      Move upwards in the file until you reach av.o: EXTERN.h
	      and delete all lines down to # WARNING: Put....

  ·   now go to the x2p directory

	      Load the gnumakefile into an editor.

	      Go to the end moveup until you reach hash.o: EXTERN.h
	      and delete all lines dowonwards until you reach a line saying

	      # WARNING: Put nothing....

  ·   Now!

	make

  Testing

  Now run

    make test

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

  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

  Run

    make install


AUTHORS

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


SEE ALSO

  perl(1).

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