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<meta property="og:description" content="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.
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First of all the core distribution of Perl is included in ">
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Caught in the Net
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<h2 class="project-tagline">La rete ti cattura ma libera il pensiero</h2>
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<header><h1 class="post-title">
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<h1 class="p-name post-title" itemprop="headline name">About Perl packages in Gentoo</h1>
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</header><p class="dateline post-date">11 September 2015</p>
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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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<aside class="postpromonav"><nav><h4>Categories</h4>
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<li><a class="tag p-category" href="../../../../../categories/emerge/" rel="tag">emerge</a></li>
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<li><a class="tag p-category" href="../../../../../categories/gentoo/" rel="tag">Gentoo</a></li>
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<li><a class="tag p-category" href="../../../../../categories/perl/" rel="tag">perl</a></li>
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<li><a class="tag p-category" href="../../../../../categories/perl-core/" rel="tag">perl-core</a></li>
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<li><a class="tag p-category" href="../../../../../categories/pescewanda/" rel="tag">PesceWanda</a></li>
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<li><a class="tag p-category" href="../../../../../categories/portage-conflict/" rel="tag">portage conflict</a></li>
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<li><a class="tag p-category" href="../../../../../categories/virtualperl/" rel="tag">virtual/perl</a></li>
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