mirror of
https://git.linuxfromscratch.org/lfs.git
synced 2025-01-19 13:37:39 +00:00
70e3330708
git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@10536 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689
128 lines
3.5 KiB
XML
128 lines
3.5 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
|
|
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
|
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
|
<!ENTITY % general-entities SYSTEM "../general.ent">
|
|
%general-entities;
|
|
]>
|
|
|
|
<sect1 id="ch-system-bc" role="wrap">
|
|
<?dbhtml filename="bc.html"?>
|
|
|
|
<sect1info condition="script">
|
|
<productname>bc</productname>
|
|
<productnumber>&bc-version;</productnumber>
|
|
<address>&bc-url;</address>
|
|
</sect1info>
|
|
|
|
<title>Bc-&bc-version;</title>
|
|
|
|
<indexterm zone="ch-system-bc">
|
|
<primary sortas="a-Bc">Bc</primary>
|
|
</indexterm>
|
|
|
|
<sect2 role="package">
|
|
<title/>
|
|
|
|
<para>The Bc package contains an arbitrary precision numeric processing
|
|
language.</para>
|
|
|
|
<segmentedlist>
|
|
<segtitle>&buildtime;</segtitle>
|
|
<segtitle>&diskspace;</segtitle>
|
|
|
|
<seglistitem>
|
|
<seg>&bc-ch6-sbu;</seg>
|
|
<seg>&bc-ch6-du;</seg>
|
|
</seglistitem>
|
|
</segmentedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 role="installation">
|
|
<title>Installation of Bc</title>
|
|
|
|
<para>First, fix some minor memory leaks in the code:</para>
|
|
|
|
<screen><userinput remap="pre">patch -Np1 -i ../&bc-memory-leak-patch;</userinput></screen>
|
|
|
|
<para>Prepare Bc for compilation:</para>
|
|
|
|
<screen><userinput remap="configure">./configure --prefix=/usr \
|
|
--with-readline \
|
|
--mandir=/usr/share/man \
|
|
--infodir=/usr/share/info</userinput></screen>
|
|
|
|
<variablelist>
|
|
<title>The meaning of the configure options:</title>
|
|
|
|
<varlistentry>
|
|
<term><parameter>--with-readline</parameter></term>
|
|
<listitem>
|
|
<para>This option tells Bc to use the <filename
|
|
class="libraryfile">readline</filename> library that is already
|
|
installed on the system rather than using its own readline
|
|
version.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
<para>Compile the package:</para>
|
|
|
|
<screen><userinput remap="make">make</userinput></screen>
|
|
|
|
<para>To test bc, run the commands below. There is quite a bit of output,
|
|
so you may want to redirect it to a file. There are a very small percentage
|
|
of tests (10 of 12,144) that will indicate a roundoff error at the last
|
|
digit.</para>
|
|
|
|
<screen><userinput remap="test">echo "quit" | ./bc/bc -l Test/checklib.b</userinput></screen>
|
|
|
|
<para>Install the package:</para>
|
|
|
|
<screen><userinput remap="install">make install</userinput></screen>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="contents-bc" role="content">
|
|
<title>Contents of Bc</title>
|
|
|
|
<segmentedlist>
|
|
<segtitle>Installed programs</segtitle>
|
|
|
|
<seglistitem>
|
|
<seg>bc and dc</seg>
|
|
</seglistitem>
|
|
</segmentedlist>
|
|
|
|
<variablelist>
|
|
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|
<?dbfo list-presentation="list"?>
|
|
<?dbhtml list-presentation="table"?>
|
|
|
|
<varlistentry id="bc">
|
|
<term><command>bc</command></term>
|
|
<listitem>
|
|
<para>is a command line calculator</para>
|
|
<indexterm zone="ch-system-bc bc">
|
|
<primary sortas="b-bc">bc</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="dc">
|
|
<term><command>dc</command></term>
|
|
<listitem>
|
|
<para>is a reverse-polish command line calculator</para>
|
|
<indexterm zone="ch-system-bc dc">
|
|
<primary sortas="b-dc">dc</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
</sect2>
|
|
|
|
</sect1>
|