2014-08-27 16:41:09 +00:00
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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version="5.0"
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xml:id="sec-prerequisites-source">
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<title>Prerequisites</title>
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<itemizedlist>
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<listitem><para>GNU Make.</para></listitem>
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2017-10-20 01:03:26 +00:00
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<listitem><para>A version of GCC or Clang that supports C++14.</para></listitem>
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2014-08-27 16:41:09 +00:00
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<listitem><para><command>pkg-config</command> to locate
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dependencies. If your distribution does not provide it, you can get
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it from <link
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xlink:href="http://www.freedesktop.org/wiki/Software/pkg-config"
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/>.</para></listitem>
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2017-10-20 01:03:26 +00:00
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2016-07-20 13:02:29 +00:00
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<listitem><para>The OpenSSL library to calculate cryptographic hashes.
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If your distribution does not provide it, you can get it from <link
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xlink:href="https://www.openssl.org"/>.</para></listitem>
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2014-08-27 16:41:09 +00:00
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<listitem><para>The bzip2 compressor program and the
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<literal>libbz2</literal> library. Thus you must have bzip2
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installed, including development headers and libraries. If your
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distribution does not provide these, you can obtain bzip2 from <link
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xlink:href="http://www.bzip.org/"/>.</para></listitem>
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<listitem><para>The SQLite embedded database library, version 3.6.19
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or higher. If your distribution does not provide it, please install
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it from <link xlink:href="http://www.sqlite.org/" />.</para></listitem>
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<listitem><para>The <link
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2016-01-01 23:55:01 +00:00
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xlink:href="http://www.hboehm.info/gc/">Boehm
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2014-08-27 16:41:09 +00:00
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garbage collector</link> to reduce the evaluator’s memory
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consumption (optional). To enable it, install
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<literal>pkgconfig</literal> and the Boehm garbage collector, and
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pass the flag <option>--enable-gc</option> to
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<command>configure</command>.</para></listitem>
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<listitem><para>The <command>xmllint</command> and
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<command>xsltproc</command> programs to build this manual and the
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man-pages. These are part of the <literal>libxml2</literal> and
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<literal>libxslt</literal> packages, respectively. You also need
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the <link
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xlink:href="http://docbook.sourceforge.net/projects/xsl/">DocBook
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XSL stylesheets</link> and optionally the <link
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xlink:href="http://www.docbook.org/schemas/5x"> DocBook 5.0 RELAX NG
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schemas</link>. Note that these are only required if you modify the
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manual sources or when you are building from the Git
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repository.</para></listitem>
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<listitem><para>Recent versions of Bison and Flex to build the
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parser. (This is because Nix needs GLR support in Bison and
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reentrancy support in Flex.) For Bison, you need version 2.6, which
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can be obtained from the <link
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xlink:href="ftp://alpha.gnu.org/pub/gnu/bison">GNU FTP
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server</link>. For Flex, you need version 2.5.35, which is
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available on <link
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xlink:href="http://lex.sourceforge.net/">SourceForge</link>.
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Slightly older versions may also work, but ancient versions like the
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ubiquitous 2.5.4a won't. Note that these are only required if you
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modify the parser or when you are building from the Git
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repository.</para></listitem>
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</itemizedlist>
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2015-09-15 16:42:44 +00:00
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</section>
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