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<title>skalibs: a C library for system programming</title>
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<p>
<a href="//skarnet.org/software/">Software</a><br />
<a href="//skarnet.org/">skarnet.org</a>
</p>
<h1> skalibs </h1>
<h2> What is it ? </h2>
<p>
skalibs is a package centralizing the free software / open source C development
files used for building all software at skarnet.org: it contains essentially
general-purpose libraries.
You will need to install skalibs if you plan to build skarnet.org software.
The point is that you won't have to download and compile big libraries, and care
about portability issues,
everytime you need to build a package: do it only once.
</p>
<p>
skalibs can also be used as a sound basic start for C development. There
are a lot of general-purpose libraries out there; but if your main goal is
to produce <em>small</em> and <em>secure</em> C code with a focus on system
programming, skalibs might be for you.
</p>
<hr />
<h2> Installation </h2>
<h3> Requirements </h3>
<ul>
<li> A Unix-like system, compliant with
<a href="https://pubs.opengroup.org/onlinepubs/9699919799/">The
Open Group Base Specifications Issue 7</a>,
with a standard C development environment </li>
<li> GNU make, version 3.81 or later </li>
</ul>
<h3> Licensing </h3>
<p>
skalibs is free software. It is available under the
<a href="https://opensource.org/licenses/ISC">ISC license</a>.
</p>
<h3> Download </h3>
<ul>
<li> The current released version of skalibs is <a href="skalibs-2.9.3.0.tar.gz">2.9.3.0</a>. </li>
<li> Alternatively, you can checkout a copy of the
<a href="//git.skarnet.org/cgi-bin/cgit.cgi/skalibs/">skalibs
git repository</a>:
<pre> git clone git://git.skarnet.org/skalibs </pre> </li>
<li> There's also a
<a href="https://github.com/skarnet/skalibs">GitHub mirror</a>
of the skalibs git repository. </li>
</ul>
<h3> Compilation </h3>
<ul>
<li> See the enclosed INSTALL file for installation details. </li>
<li> skalibs sports a few uncommon options to its <tt>./configure</tt> script.
<a href="flags.html">This page</a> documents them in detail. </li>
</ul>
<h3> Upgrade notes </h3>
<ul>
<li> <a href="upgrade.html">This page</a> lists the differences to be aware of between
the previous versions of skalibs and the current one. </li>
</ul>
<h3> Cross-compilation </h3>
<p>
Cross-compilation is tricky. skalibs provides system-agnostic interfaces, so all the
other skarnet.org packages cross-compile easily; but some effort needs to be made to
cross-compile skalibs, see <a href="crosscompile.html">this page</a>.
<hr />
<h2> Reference </h2>
<h3> Libraries </h3>
<ul>
<li> <a href="libskarnet.html">The <tt>skarnet</tt> library interface</a> </li>
</ul>
<hr />
<h2> Similar work </h2>
<p>
Here are a few other libraries originating from the same place as
skalibs, i.e. people start to reuse and package, or rewrite,
<a href="djblegacy.html">code from Dan J. Bernstein</a>, and then patch
after patch, addition after addition, the code evolves into a project
of its own:
</p>
<ul>
<li> <a href="http://b0llix.net/">Wayne Marshall</a>'s <em>libasagna</em>,
available for instance in the
<a href="http://b0llix.net/perp/site.cgi">perp</a> package </li>
<li> <a href="http://www.fefe.de/">Felix von Leitner</a>'s
<a href="http://www.fefe.de/libowfat/">libowfat</a> </li>
<li> <a href="http://untroubled.org/">Bruce Guenter</a>'s
<a href="http://untroubled.org/bglibs/">bglibs</a> </li>
<li> <a href="https://dogmap.org/">Paul Jarc</a>'s
<a href="https://code.dogmap.org./prjlibs/">prjlibs</a>, which also
includes libraries for Scheme programming </li>
</ul>
<h2> Related resources </h2>
<ul>
<li> <tt>skalibs</tt> is discussed on the
<a href="//skarnet.org/lists.html#skaware">skaware</a> mailing-list. </li>
</ul>
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