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diff --git a/docs/en/erlang.mk/1/guide/kerl/index.html b/docs/en/erlang.mk/1/guide/kerl/index.html new file mode 100644 index 00000000..d5474929 --- /dev/null +++ b/docs/en/erlang.mk/1/guide/kerl/index.html @@ -0,0 +1,233 @@ +<!DOCTYPE html> +<html lang="en"> + +<head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0"> + <meta name="description" content=""> + <meta name="author" content="Loïc Hoguin based on a design from (Soft10) Pol Cámara"> + + <meta name="generator" content="Hugo 0.26" /> + + <title>Nine Nines: OTP version management</title> + + <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'> + <link href="/css/99s.css?r=1" rel="stylesheet"> + + <link rel="shortcut icon" href="/img/ico/favicon.ico"> + <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png"> + <link rel="apple-touch-icon-precomposed" sizes="72x72" href="/img/ico/apple-touch-icon-72.png"> + <link rel="apple-touch-icon-precomposed" href="/img/ico/apple-touch-icon-57.png"> + + +</head> + + +<body class=""> + <header id="page-head"> + <div id="topbar" class="container"> + <div class="row"> + <div class="span2"> + <h1 id="logo"><a href="/" title="99s">99s</a></h1> + </div> + <div class="span10"> + + <div id="side-header"> + <nav> + <ul> + <li><a title="Hear my thoughts" href="/articles">Articles</a></li> + <li><a title="Watch my talks" href="/talks">Talks</a></li> + <li class="active"><a title="Read the docs" href="/docs">Documentation</a></li> + <li><a title="Request my services" href="/services">Consulting & Training</a></li> + </ul> + </nav> + <ul id="social"> + <li> + <a href="https://github.com/ninenines" title="Check my Github repositories"><img src="/img/ico_github.png" data-hover="/img/ico_github_alt.png" alt="Github"></a> + </li> + <li> + <a title="Keep in touch!" href="http://twitter.com/lhoguin"><img src="/img/ico_microblog.png" data-hover="/img/ico_microblog_alt.png"></a> + </li> + <li> + <a title="Contact me" href="mailto:[email protected]"><img src="/img/ico_mail.png" data-hover="/img/ico_mail_alt.png"></a> + </li> + </ul> + </div> + </div> + </div> + </div> + + +</header> + +<div id="contents" class="two_col"> +<div class="container"> +<div class="row"> +<div id="docs" class="span9 maincol"> + +<h1 class="lined-header"><span>OTP version management</span></h1> + +<div class="paragraph"><p>Erlang.mk comes with integrated support for +<a href="https://github.com/kerl/kerl">Kerl</a>, a shell script that +automates the downloading, building and installing of +Erlang/OTP. It can be used to easily build a specific +Erlang/OTP version (with or without custom build options) +or maintain different versions side by side.</p></div> +<div class="sect1"> +<h2 id="_erlang_versions">Erlang versions</h2> +<div class="sectionbody"> +<div class="paragraph"><p>Erlang.mk uses the Git tags from Erlang/OTP to identify +OTP versions. The most recent tag at the time of writing +is <code>OTP-20.0.4</code>, which is a patch release of <code>OTP-20.0</code>. +A patch release is a non-official release containing a +few fixes on top of the official release.</p></div> +<div class="paragraph"><p>Older versions used a slightly different versioning scheme +and tag format, for example: <code>OTP_R16B03</code>. Beware though, +there also was an <code>OTP_R16B03-1</code> release that fixed a +critical issue in the initial release.</p></div> +<div class="paragraph"><p>The README file for all official Erlang/OTP releases can +be found on <a href="http://www.erlang.org/downloads">erlang.org</a>. +To obtain information about patch releases when they are +released you need to be subscribed to the +<a href="http://erlang.org/mailman/listinfo/erlang-questions">erlang-questions mailing list</a>.</p></div> +</div> +</div> +<div class="sect1"> +<h2 id="otp_version_pinning">OTP version pinning</h2> +<div class="sectionbody"> +<div class="paragraph"><p>Erlang.mk can use a specific version of Erlang/OTP when +interacting with your project. This can be very useful +when you are working with a team because you can define +the version you need in the Makefile and Erlang.mk will +ensure this version is used by everyone in your team.</p></div> +<div class="paragraph"><p>To pin the version all you need to do is to set the +<code>ERLANG_OTP</code> variable in your Makefile before including +Erlang.mk. For example, to use <code>OTP-20.0.4</code>:</p></div> +<div class="listingblock"> +<div class="content"><!-- Generator: GNU source-highlight 3.1.8 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><span style="color: #009900">ERLANG_OTP =</span> OTP-20.0.4 + +include erlang.mk</tt></pre></div></div> +<div class="paragraph"><p>The next time you run <code>make</code> Erlang.mk will build and +use the version you configured.</p></div> +<div class="paragraph"><p>Note that there has been reports that this functionality +is not compatible with the <code>.ONESHELL</code> feature from +GNU Make.</p></div> +</div> +</div> +<div class="sect1"> +<h2 id="_continuous_integration">Continuous integration</h2> +<div class="sectionbody"> +<div class="paragraph"><p>Erlang.mk can automatically test your project against +many different Erlang/OTP versions. This functionality +is documented in the <a href="../ci">Continuous integration</a> chapter.</p></div> +</div> +</div> +<div class="sect1"> +<h2 id="_configuring_kerl">Configuring Kerl</h2> +<div class="sectionbody"> +<div class="paragraph"><p>All of the Kerl variables can be configured directly in the +Makefile. All you need to do is to export them. For example, +to change the installation directory for the Erlang/OTP +versions managed by Kerl, you could add the following to +your Makefile:</p></div> +<div class="listingblock"> +<div class="content"><!-- Generator: GNU source-highlight 3.1.8 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><span style="font-weight: bold"><span style="color: #0000FF">export</span></span> KERL_INSTALL_DIR <span style="color: #990000">=</span> <span style="color: #009900">$(CURDIR)</span>/erlang</tt></pre></div></div> +<div class="paragraph"><p>When configuring paths like this, always make sure to provide +an absolute path in the value. Erlang.mk will NOT expand them +automatically for you.</p></div> +</div> +</div> + + + + + + + + + + + <nav style="margin:1em 0"> + + <a style="float:left" href="https://ninenines.eu/docs/en/erlang.mk/1/guide/escripts/"> + Escripts + </a> + + + + <a style="float:right" href="https://ninenines.eu/docs/en/erlang.mk/1/guide/compat/"> + Compatibility with other build tools + </a> + + </nav> + + + + +</div> + +<div class="span3 sidecol"> + + +<h3> + Erlang.mk + 1 + + User Guide +</h3> + +<ul> + + + +</ul> + +<h4 id="docs-nav">Navigation</h4> + +<h4>Version select</h4> +<ul> + + + + <li><a href="/docs/en/erlang.mk/1/guide">1</a></li> + +</ul> + +</div> +</div> +</div> +</div> + + <footer> + <div class="container"> + <div class="row"> + <div class="span6"> + <p id="scroll-top"><a href="#">↑ Scroll to top</a></p> + <nav> + <ul> + <li><a href="mailto:[email protected]" title="Contact us">Contact us</a></li><li><a href="https://github.com/ninenines/ninenines.github.io" title="Github repository">Contribute to this site</a></li> + </ul> + </nav> + </div> + <div class="span6 credits"> + <p><img src="/img/footer_logo.png"></p> + <p>Copyright © Loïc Hoguin 2012-2016</p> + </div> + </div> + </div> + </footer> + + + <script src="/js/custom.js"></script> + </body> +</html> + + |