[MacPorts] howto/cpan2port added

[Jeremy Lavergne]

It would be fascinating if this functionality could be added to MacPorts, forming a direct gateway for CPAN ports to be searched and installed right from inside MacPorts.

Only non-conforming ones would need an actual portfile.

On Jul 20, 2010, at 4:47 PM, MacPorts wrote:

> 
> Added page "howto/cpan2port" by rs at macports.spam.futz.org from 216.27.162.138*
> Page URL: <http://trac.macports.org/wiki/howto/cpan2port>
> Content:
> -------8<------8<------8<------8<------8<------8<------8<------8<--------
> [wiki:howto <- Back to the HOWTO section]
> 
> = TODO: title =
> 
> * Audience: Perl users
> * Requires: MacPorts >=TODO
> 
> == Introduction ==
> 
> When you find you need a Perl modules from CPAN that does not yet have a MacPorts port, cpan2port can help you create a port file.
> 
> === Step 1: '''Set up cpan client''' ===
> 
> You must have a properly configured cpan client for cpan2port to work.
> You can either step throught the questions, or let it auto-configure.
> {{{
> $ cpan
> CPAN is the world-wide archive of perl resources. It consists of about
> [...]
> Would you like me to configure as much as possible automatically? [yes] ''yes''
> [...]
> cpan shell -- CPAN exploration and modules installation (v1.9301)
> ReadLine support available (maybe install Bundle::CPAN or Bundle::CPANxxl?)
> 
> cpan[1]> ^D
> }}}
> === Step 2: '''Find the CPAN package name''' ===
> {{{
> $ perl -MCPAN -e shell
> cpan[1]> m Date::Parse
> Module id = Date::Parse
>   DESCRIPTION  ASCII Date parser using regexp's
>   CPAN_USERID  GBARR (Graham Barr <gbarr at pobox.com>)
>   CPAN_VERSION 2.30
>   CPAN_FILE    G/GB/GBARR/TimeDate-1.20.tar.gz
>   DSLIP_STATUS Rdpf? (released,developer,perl,functions,)
>   MANPAGE      Date::Parse - Parse date strings into time values
>   INST_FILE    /opt/local/lib/perl5/vendor_perl/5.8.9/Date/Parse.pm
>   INST_VERSION 2.27
> }}}
> 
> So you want the TimeDate module.
> 
> === Step 3: '''Check that port is not available''' ===
> 
> Perl modules have names of the form p5-modulename.
> 
> {{{
> $ port search p5-timedate
> }}}
> 
> This particular port actually is available, but we'll pretend it isn't.
> 
> === Step 4: '''Create MacPorts directory ===
> 
> {{{
> $ mkdir ~/macports
> $ cd ~/macports
> $ curl http://trac.macports.org/export/69899/contrib/cpan2port/cpan2port > cpan2port
> $ chmod u+x cpan2port
> }}}
> 
> === Step 5: '''Create the port file''' ===
> {{{
> $ ./cpan2port -t Date::Parse
> [...]
> TimeDate-1.20/
> TimeDate-1.20/ChangeLog
> [...]
> trying to find dist in /Users/dtls/.cpan/build/TimeDate-1.20*
> ---
> md5: 7da7452bce4c684e4238e6d09b390200
> rmd160: 513094a2d2fb3678c1ad893abc28c94d344ec7b8
> sha1: 6394cd243e05c3c2073fa73348a4ad90d8d5963e
> creating perl/p5-timedate/Portfile
> }}}
> 
> === Step 6: '''Build the port''' ===
> First you can review the portfile:
> {{{
> $ cd perl/p5-timedate
> $ cat Portfile
> # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf8:ft=tcl:et:sw=4:ts=4:sts=4
> # $Id$
> 
> PortSystem      1.0
> PortGroup       perl5 1.0
> 
> perl5.setup     TimeDate 1.20
> platforms       darwin
> maintainers     cpan2port
> description     ASCII Date parser using regexp's
> extract.suffix  .tar.gz
> master_sites    http://search.cpan.org/CPAN/authors/id/G/GB/GBARR
> checksums sha1 6394cd243e05c3c2073fa73348a4ad90d8d5963e md5 7da7452bce4c684e4238e6d09b390200 rmd160 513094a2d2fb3678c1ad893abc28c94d344ec7b8
> }}}
> 
> The build it:
> {{{
> $ port build
> Warning: MacPorts running without privileges. You may be unable to complete certain actions (e.g. install).
> --->  Computing dependencies for p5-timedate
> --->  Fetching p5-timedate
> --->  Attempting to fetch TimeDate-1.20.tar.gz from http://distfiles.macports.org/perl5
> --->  Attempting to fetch TimeDate-1.20.tar.gz from http://lil.fr.distfiles.macports.org/perl5
> --->  Attempting to fetch TimeDate-1.20.tar.gz from http://aarnet.au.distfiles.macports.org/pub/macports/mpdistfiles/perl5
> --->  Attempting to fetch TimeDate-1.20.tar.gz from http://search.cpan.org/CPAN/authors/id/G/GB/GBARR
> --->  Verifying checksum(s) for p5-timedate
> --->  Extracting p5-timedate
> --->  Configuring p5-timedate
> --->  Building p5-timedate
> }}}
> 
> === Step 7: '''Read up on local port repositories''' ===
> 
> [http://guide.macports.org/chunked/development.local-repositories.html]
> 
> ----
> 
> [wiki:howto <- Back to the HOWTO section]
> -------8<------8<------8<------8<------8<------8<------8<------8<--------
> 
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> 
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