877 lines
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877 lines
12 KiB
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<title>Caught in the Net</title>
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</head>
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<body>
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<section class="page-header">
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<h1 class="project-name">Caught in the Net</h1>
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<h2 class="project-tagline">La rete ti cattura ma libera il pensiero</h2>
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<a class="btn" href="/">Home</a>
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<a class="btn" href="/archive/">Archive</a>
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<a class="btn" href="/contattami/">Contact me</a>
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<a class="btn" href="http://francescomecca.eu:3000/explore/repos">Personal Git</a>
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<a class="btn" href="https://github.com/FraMecca">Github</a>
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<a class="btn" href="/feed.xml">RSS</a>
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</section>
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<section class="main-content">
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<div class="post">
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<h1 class="post-title">About Perl packages in Gentoo</h1>
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<span class="post-date">11 Sep 2015</span>
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<p>In this post I wish to explain a bit about Perl related ebuilds in Gentoo and how to update from perl-core to virtual/perl without conflicts.</p>
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<p>First of all the core distribution of Perl is included in <a href="https://packages.gentoo.org/package/dev-lang/perl">dev-lang/Perl</a> along with <a href="http://perldoc.perl.org/index-modules-A.html">modules</a>.</p>
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<p>The <a href="https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/perl-core/">perl-core category</a> in portage contains ebuilds for perl modules, some of which are included in the core perl distibution. The perl-core ebuilds overrides the perl-core modules such that you can update them without recompiling dev-lang/Perl.</p>
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<p>Each perl-core module has a corrensponding virtual/perl-* package. The virtual category is used by portage when emerging to take into account that a module can be either provided by dev-lang/perl package or found in perl-core category.</p>
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<p>So, what to do in case of blocks when upgrading your Gentoo machine?</p>
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<p>Perl-cleaner is a package provided to get rid of these blocks and to migrate from perl-core to virtual/perl-*.</p>
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<pre class="wp-code-highlight prettyprint linenums:1">emerge perl-cleaner
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emerge dev-lang/perl
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perl-cleaner --all</pre>
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<p>if you still have problems when upgrading @world you add a backtrack option</p>
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<pre class="wp-code-highlight prettyprint linenums:1">emerge -uDN --backtrack=30 @world</pre>
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<p>or you can unmerge all perl-core packages and then finally upgrade world</p>
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<pre class="wp-code-highlight prettyprint linenums:1">emerge --unmerge perl-core/*</pre>
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<p>This will remove all perl-core packages that virtual/perl-* packages will bring back if needed.</p>
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<p style="text-align: right;">
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Francesco Mecca
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</p>
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</div>
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<!--Late Stage Capitalism meets FOSS-->
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<!--<small>07 May 2017</small>-->
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<!--Some shallow thoughts from my tiny virtual space-->
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<!--<small>20 Mar 2017</small>-->
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<!--Capire il Machine Learning (parte 3)-->
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<!--<small>15 Nov 2016</small>-->
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<!--Capire il Machine Learning (parte 2)-->
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<!--<small>11 Nov 2016</small>-->
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<footer class="site-footer">
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<span class="site-footer-owner"><a href="http://localhost:4000">Caught in the Net</a> is maintained by <a href="">Francesco Mecca</a>.</span>
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<span> CC BY-SA 4.0 International.</br> </span>
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