mirror of https://github.com/tLDP/LDP
128 lines
3.5 KiB
XML
128 lines
3.5 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="ch-system-bc" role="wrap">
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<?dbhtml filename="bc.html"?>
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<sect1info condition="script">
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<productname>bc</productname>
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<productnumber>&bc-version;</productnumber>
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<address>&bc-url;</address>
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</sect1info>
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<title>Bc-&bc-version;</title>
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<indexterm zone="ch-system-bc">
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<primary sortas="a-Bc">Bc</primary>
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</indexterm>
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<sect2 role="package">
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<title/>
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<para>The Bc package contains an arbitrary precision numeric processing
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language.</para>
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<segmentedlist>
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<segtitle>&buildtime;</segtitle>
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<segtitle>&diskspace;</segtitle>
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<seglistitem>
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<seg>&bc-ch6-sbu;</seg>
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<seg>&bc-ch6-du;</seg>
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</seglistitem>
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</segmentedlist>
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</sect2>
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<sect2 role="installation">
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<title>Installation of Bc</title>
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<para>First, fix some minor memory leaks in the code:</para>
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<screen><userinput remap="pre">patch -Np1 -i ../&bc-memory-leak-patch;</userinput></screen>
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<para>Prepare Bc for compilation:</para>
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<screen><userinput remap="configure">./configure --prefix=/usr \
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--with-readline \
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--mandir=/usr/share/man \
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--infodir=/usr/share/info</userinput></screen>
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<variablelist>
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<title>The meaning of the configure options:</title>
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<varlistentry>
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<term><parameter>--with-readline</parameter></term>
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<listitem>
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<para>This option tells Bc to use the <filename
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class="libraryfile">readline</filename> library that is already
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installed on the system rather than using its own readline
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version.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>Compile the package:</para>
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<screen><userinput remap="make">make</userinput></screen>
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<para>To test bc, run the commands below. There is quite a bit of output,
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so you may want to redirect it to a file. There are a very small percentage
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of tests (10 of 12,144) that will indicate a round off error at the last
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digit.</para>
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<screen><userinput remap="test">echo "quit" | ./bc/bc -l Test/checklib.b</userinput></screen>
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<para>Install the package:</para>
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<screen><userinput remap="install">make install</userinput></screen>
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</sect2>
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<sect2 id="contents-bc" role="content">
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<title>Contents of Bc</title>
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<segmentedlist>
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<segtitle>Installed programs</segtitle>
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<seglistitem>
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<seg>bc and dc</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="bc">
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<term><command>bc</command></term>
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<listitem>
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<para>is a command line calculator</para>
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<indexterm zone="ch-system-bc bc">
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<primary sortas="b-bc">bc</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="dc">
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<term><command>dc</command></term>
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<listitem>
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<para>is a reverse-polish command line calculator</para>
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<indexterm zone="ch-system-bc dc">
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<primary sortas="b-dc">dc</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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