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PERLMODINSTALL(1)Perl Programmers Reference GuidPERLMODINSTALL(1)

NAME
       perlmodinstall - Installing CPAN Modules

DESCRIPTION
       You can think of a module as the fundamental unit of
       reusable Perl code; see the perlmod manpage for details.
       Whenever anyone creates a chunk of Perl code that they
       think will be useful to the world, they register as a Perl
       developer at http://www.perl.com/CPAN/modules/04pause.html
       so that they can then upload their code to the CPAN.  The
       CPAN is the Comprehensive Perl Archive Network and can be
       accessed at http://www.perl.com/CPAN/.

       This documentation is for people who want to download CPAN
       modules and install them on their own computer.

       PREAMBLE

       You have a file ending in .tar.gz (or, less often, .zip).
       You know there's a tasty module inside.	There are four
       steps you must now take:

       DECOMPRESS the file

       UNPACK the file into a directory

       BUILD the module (sometimes unnecessary)

       INSTALL the module.

       Here's how to perform each step for each operating system.
       This is not a substitute for reading the README and
       INSTALL files that might have come with your module!

       Also note that these instructions are tailored for
       installing the module into your system's repository of
       Perl modules.  But you can install modules into any
       directory you wish.  For instance, where I say perl
       Makefile.PL, you can substitute perl Makefile.PL
       PREFIX=/my/perl_directory to install the modules into
       /my/perl_directory.  Then you can use the modules from
       your Perl programs with use lib
       "/my/perl_directory/lib/site_perl"; or sometimes just use
       "/my/perl_directory";.

       o   If you're on Unix,

	   You can use Andreas Koenig's CPAN module (
	   http://www.perl.com/CPAN/modules/by-module/CPAN ) to
	   automate the following steps, from DECOMPRESS through
	   INSTALL.

	   A. DECOMPRESS

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	   Decompress the file with gzip -d yourmodule.tar.gz

	   You can get gzip from ftp://prep.ai.mit.edu/pub/gnu.

	   Or, you can combine this step with the next to save
	   disk space:

		gzip -dc yourmodule.tar.gz | tar -xof -

	   B. UNPACK

	   Unpack the result with tar -xof yourmodule.tar

	   C. BUILD

	   Go into the newly-created directory and type:

		 perl Makefile.PL
		 make
		 make test

	   D. INSTALL

	   While still in that directory, type:

		 make install

	   Make sure you have the appropriate permissions to
	   install the module in your Perl 5 library directory.
	   Often, you'll need to be root.

	   That's all you need to do on Unix systems with dynamic
	   linking.  Most Unix systems have dynamic linking -- if
	   yours doesn't, or if for another reason you have a
	   statically-linked perl, and the module requires
	   compilation, you'll need to build a new Perl binary
	   that includes the module.  Again, you'll probably need
	   to be root.

       o   If you're running Windows 95 or NT with the
	   ActiveState port of Perl

	      A. DECOMPRESS

	   You can use the shareware Winzip (
	   http://www.winzip.com ) to decompress and unpack
	   modules.

	      B. UNPACK

	   If you used WinZip, this was already done for you.

	      C. BUILD

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	   Does the module require compilation (i.e. does it have
	   files that end in .xs, .c, .h, .y, .cc, .cxx, or .C)?
	   If it does, you're on your own.  You can try compiling
	   it yourself if you have a C compiler.  If you're
	   successful, consider uploading the resulting binary to
	   the CPAN for others to use.	If it doesn't, go to
	   INSTALL.

	      D. INSTALL

	   Copy the module into your Perl's lib directory.
	   That'll be one of the directories you see when you
	   type

	      perl -e 'print "@INC"'

       o   If you're running Windows 95 or NT with the core
	   Windows distribution of Perl,

	      A. DECOMPRESS

	   When you download the module, make sure it ends in
	   either .tar.gz or .zip.  Windows browsers sometimes
	   download .tar.gz files as _tar.tar, because early
	   versions of Windows prohibited more than one dot in a
	   filename.

	   You can use the shareware WinZip (
	   http://www.winzip.com ) to decompress and unpack
	   modules.

	   Or, you can use InfoZip's unzip utility (
	   http://www.cdrom.com/pub/infozip/Info-Zip.html ) to
	   uncompress .zip files; type unzip yourmodule.zip in
	   your shell.

	   Or, if you have a working tar and gzip, you can type

	      gzip -cd yourmodule.tar.gz | tar xvf -

	   in the shell to decompress yourmodule.tar.gz.  This
	   will UNPACK your module as well.

	      B. UNPACK

	   All of the methods in DECOMPRESS will have done this
	   for you.

	      C. BUILD

	   Go into the newly-created directory and type:

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		 perl Makefile.PL
		 dmake
		 dmake test

	   Depending on your perl configuration, dmake might not
	   be available.  You might have to substitute whatever
	   perl -V:make says. (Usually, that will be nmake or
	   make.)

	      D. INSTALL

	   While still in that directory, type:

		 dmake install

       o   If you're using a Macintosh,

	   A. DECOMPRESS

	   In general, all Macintosh decompression utilities
	   mentioned here can be found in the Info-Mac
	   Hyperarchive (
	   http://hyperarchive.lcs.mit.edu/HyperArchive.html ).
	   Specificly the "Commpress & Translate" listing (
	   http://hyperarchive.lcs.mit.edu/HyperArchive/Abstracts/cmp/HyperArchive.html
	   ).

	   You can either use the shareware StuffIt Expander (
	   http://hyperarchive.lcs.mit.edu/HyperArchive/Archive/cmp/stuffit-
	   expander-401.hqx ) in combination with DropStuff with
	   Expander Enhancer (
	   http://hyperarchive.lcs.mit.edu/HyperArchive/Archive/cmp/drop-
	   stuff-with-ee-40.hqx ) or the freeware MacGzip (
	   http://persephone.cps.unizar.es/general/gente/spd/gzip/gzip.html
	   ).

	   B. UNPACK

	   If you're using DropStuff or Stuffit, you can just
	   extract the tar archive.  Otherwise, you can use the
	   freeware suntar (
	   http://hyperarchive.lcs.mit.edu/HyperArchive/Archive/cmp/suntar-221.hqx
	   ) or Tar (
	   http://hyperarchive.lcs.mit.edu/HyperArchive/Archive/cmp/tar-40b.hqx
	   ).

	   C. BUILD

	   Does the module require compilation?

	   1. If it does,

	   Overview: You need MPW and a combination of new and

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	   old CodeWarrior compilers for MPW and libraries.
	   Makefiles created for building under MPW use the
	   Metrowerks compilers.  It's most likely possible to
	   build without other compilers, but it has not been
	   done successfully, to our knowledge.	 Read the
	   documentation in MacPerl: Power and Ease (
	   http://www.ptf.com/macperl/ ) on porting/building
	   extensions, or find an existing precompiled binary, or
	   hire someone to build it for you.

	   Or, ask someone on the mac-perl mailing list (mac-
	   perl@iis.ee.ethz.ch) to build it for you.  To
	   subscribe to the mac-perl mailing list, send mail to
	   mac-perl-request@iis.ee.ethz.ch.

	   2. If the module doesn't require compilation, go to
	   INSTALL.

	   D. INSTALL

	   Make sure the newlines for the modules are in Mac
	   format, not Unix format.  If they are not then you
	   might have decompressed them incorrectly.  Check your
	   decompression and unpacking utilities settings to make
	   sure they are translating text files properly.  As a
	   last resort, you can use the perl one-liner:

		   perl -i.bak -pe 's/(?:\015)?\012/\015/g' filenames

	   on the source files.

	   Move the files manually into the correct folders.

	   Move the files to their final destination: This will
	   most likely be in $ENV{MACPERL}site_lib: (i.e.,
	   HD:MacPerl folder:site_lib:).  You can add new paths
	   to the default @INC in the Preferences menu item in
	   the MacPerl application ($ENV{MACPERL}site_lib: is
	   added automagically).  Create whatever directory
	   structures are required (i.e., for Some::Module,
	   create $ENV{MACPERL}site_lib:Some: and put Module.pm
	   in that directory).

	   Run the following script (or something like it):

		#!perl -w
		use AutoSplit;
		my $dir = "${MACPERL}site_perl";
		autosplit("$dir:Some:Module.pm", "$dir:auto", 0, 1, 1);

	   Eventually there should be a way to automate the
	   installation process; some solutions exist, but none
	   are ready for the general public yet.

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       o   If you're on the DJGPP port of DOS,

	      A. DECOMPRESS

	   djtarx (
	   ftp://ftp.simtel.net/pub/simtelnet/gnu/djgpp/v2/ )
	   will both uncompress and unpack.

	      B. UNPACK

	   See above.

	      C. BUILD

	   Go into the newly-created directory and type:

		 perl Makefile.PL
		 make
		 make test

	   You will need the packages mentioned in Readme.dos in
	   the Perl distribution.

	      D. INSTALL

	   While still in that directory, type:

		make install

	   You will need the packages mentioned in Readme.dos in the Perl distribution.

       o   If you're on OS/2,

	   Get the EMX development suite and gzip/tar, from
	   either Hobbes ( http://hobbes.nmsu.edu ) or Leo (
	   http://www.leo.org ), and then follow the instructions
	   for Unix.

       o   If you're on VMS,

	   When downloading from CPAN, save your file with a .tgz
	   extension instead of .tar.gz.  All other periods in
	   the filename should be replaced with underscores.  For
	   example, Your-Module-1.33.tar.gz should be downloaded
	   as Your-Module-1_33.tgz.

	   A. DECOMPRESS

	   Type

	       gzip -d Your-Module.tgz

	   or, for zipped modules, type

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	       unzip Your-Module.zip

	   Executables for gzip, zip, and VMStar ( Alphas:
	   http://www.openvms.digital.com/cd/000TOOLS/ALPHA/ and
	   Vaxen: http://www.openvms.digital.com/cd/000TOOLS/VAX/
	   ).

	   gzip and tar are also available at
	   ftp://ftp.digital.com/pub/VMS.

	   Note that GNU's gzip/gunzip is not the same as Info-
	   ZIP's zip/unzip package.  The former is a simple
	   compression tool; the latter permits creation of
	   multi-file archives.

	   B. UNPACK

	   If you're using VMStar:

		VMStar xf Your-Module.tar

	   Or, if you're fond of VMS command syntax:

		tar/extract/verbose Your_Module.tar

	   C. BUILD

	   Make sure you have MMS (from Digital) or the freeware
	   MMK ( available from MadGoat at
	   http://www.madgoat.com ).  Then type this to create
	   the DESCRIP.MMS for the module:

	       perl Makefile.PL

	   Now you're ready to build:

	       mms
	       mms test

	   Substitute mmk for mms above if you're using MMK.

	   D. INSTALL

	   Type

	       mms install

	   Substitute mmk for mms above if you're using MMK.

       o   If you're on MVS,

	   Introduce the .tar.gz file into an HFS as binary;
	   don't translate from ASCII to EBCDIC.

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	   A. DECOMPRESS

		 Decompress the file with C<gzip -d yourmodule.tar.gz>

		 You can get gzip from
		 http://www.s390.ibm.com/products/oe/bpxqp1.html.

	   B. UNPACK

	   Unpack the result with

		pax -o to=IBM-1047,from=ISO8859-1 -r < yourmodule.tar

	   The BUILD and INSTALL steps are identical to those for
	   Unix.  Some modules generate Makefiles that work
	   better with GNU make, which is available from
	   http://www.mks.com/s390/gnu/index.htm.

HEY
       If you have any suggested changes for this page, let me
       know.  Please don't send me mail asking for help on how to
       install your modules.  There are too many modules, and too
       few Orwants, for me to be able to answer or even
       acknowledge all your questions.	Contact the module author
       instead, or post to comp.lang.perl.modules, or ask someone
       familiar with Perl on your operating system.

AUTHOR
       Jon Orwant

       orwant@tpj.com

       The Perl Journal, http://tpj.com

       with invaluable help from Brandon Allbery, Charles Bailey,
       Graham Barr, Dominic Dunlop, Jarkko Hietaniemi, Ben
       Holzman, Tom Horsley, Nick Ing-Simmons, Tuomas J. Lukka,
       Laszlo Molnar, Chris Nandor, Alan Olsen, Peter Prymmer,
       Gurusamy Sarathy, Christoph Spalinger, Dan Sugalski, Larry
       Virden, and Ilya Zakharevich.

       July 22, 1998

COPYRIGHT
       Copyright (C) 1998 Jon Orwant.  All Rights Reserved.

       Permission is granted to make and distribute verbatim
       copies of this documentation provided the copyright notice
       and this permission notice are preserved on all copies.

       Permission is granted to copy and distribute modified
       versions of this documentation under the conditions for
       verbatim copying, provided also that they are marked
       clearly as modified versions, that the authors' names and

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       title are unchanged (though subtitles and additional
       authors' names may be added), and that the entire
       resulting derived work is distributed under the terms of a
       permission notice identical to this one.

       Permission is granted to copy and distribute translations
       of this documentation into another language, under the
       above conditions for modified versions.

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