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<?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-tools-tcl" role="wrap">
<?dbhtml filename="tcl.html"?>
<sect1info condition="script">
<productname>tcl</productname>
<productnumber>&tcl-version;</productnumber>
<address>&tcl-url;</address>
</sect1info>
<title>Tcl-&tcl-version;</title>
<indexterm zone="ch-tools-tcl">
<primary sortas="a-Tcl">Tcl</primary>
</indexterm>
<sect2 role="package">
<title/>
<para>The Tcl package contains the Tool Command Language.</para>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem>
<seg>&tcl-ch5-sbu;</seg>
<seg>&tcl-ch5-du;</seg>
</seglistitem>
</segmentedlist>
</sect2>
<sect2 role="installation">
<title>Installation of Tcl</title>
<para>This package and the next three (Expect, DejaGNU, and Check) are
installed to support running the test suites for GCC and Binutils and other
packages. Installing four packages for testing purposes may seem
excessive, but it is very reassuring, if not essential, to know that the
most important tools are working properly. Even if the test suites are not
run in this chapter (they are not mandatory), these packages are required
to run the test suites in <xref linkend="chapter-building-system"/>.</para>
<para>First increase the amount of space needed by some regular expressions
in regression tests.</para>
<screen><userinput remap="pre">sed -i s/500/5000/ generic/regc_nfa.c</userinput></screen>
<para>Prepare Tcl for compilation:</para>
<screen><userinput remap="configure">cd unix
./configure --prefix=/tools</userinput></screen>
<para>Build the package:</para>
<screen><userinput remap="make">make</userinput></screen>
<para>Compilation is now complete. As discussed earlier, running the test
suite is not mandatory for the temporary tools here in this chapter. To run
the Tcl test suite anyway, issue the following command:</para>
<screen><userinput remap="test">TZ=UTC make test</userinput></screen>
<para>The Tcl test suite may experience failures under certain host
conditions that are not fully understood. Therefore, test suite failures
here are not surprising, and are not considered critical. The
<parameter>TZ=UTC</parameter> parameter sets the time zone to Coordinated
Universal Time (UTC), also known as Greenwich Mean Time (GMT), but only
for the duration of the test suite run. This ensures that the clock tests
are exercised correctly. Details on the <envar>TZ</envar> environment
variable are provided in <xref linkend="chapter-bootscripts"/>.</para>
<para>Install the package:</para>
<screen><userinput remap="install">make install</userinput></screen>
<para>Make the installed library writable so debugging symbols can
be removed later:</para>
<screen><userinput remap="install">chmod -v u+w /tools/lib/libtcl&tcl-major-version;.so</userinput></screen>
<para>Install Tcl's headers. The next package, Expect, requires them
to build.</para>
<screen><userinput remap="install">make install-private-headers</userinput></screen>
<para>Now make a necessary symbolic link:</para>
<screen><userinput remap="install">ln -sv tclsh&tcl-major-version; /tools/bin/tclsh</userinput></screen>
</sect2>
<sect2 id="contents-tcl" role="content">
<title>Contents of Tcl</title>
<segmentedlist>
<segtitle>Installed programs</segtitle>
<segtitle>Installed library</segtitle>
<seglistitem>
<seg>tclsh (link to tclsh&tcl-major-version;) and tclsh&tcl-major-version;</seg>
<seg>libtcl&tcl-major-version;.so, libtclstub&tcl-major-version;.a</seg>
</seglistitem>
</segmentedlist>
<variablelist>
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry id="tclsh&tcl-major-version;">
<term><command>tclsh&tcl-major-version;</command></term>
<listitem>
<para>The Tcl command shell</para>
<indexterm zone="ch-tools-tcl tclsh&tcl-major-version;">
<primary sortas="b-tclsh&tcl-major-version;">tclsh&tcl-major-version;</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="tclsh">
<term><command>tclsh</command></term>
<listitem>
<para>A link to tclsh&tcl-major-version;</para>
<indexterm zone="ch-tools-tcl tclsh">
<primary sortas="b-tclsh">tclsh</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="libtcl&tcl-major-version;.so">
<term><filename class="libraryfile">libtcl&tcl-major-version;.so</filename></term>
<listitem>
<para>The Tcl library</para>
<indexterm zone="ch-tools-tcl libtcl&tcl-major-version;.so">
<primary sortas="c-libtcl&tcl-major-version;.so">libtcl&tcl-major-version;.so</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="libtclstub&tcl-major-version;.a">
<term><filename class="libraryfile">libtclstub&tcl-major-version;.a</filename></term>
<listitem>
<para>The Tcl Stub library</para>
<indexterm zone="ch-tools-tcl libtclstub&tcl-major-version;.a">
<primary sortas="c-libtclstub&tcl-major-version;.a">libtclstub&tcl-major-version;.a</primary>
</indexterm>
</listitem>
</varlistentry>
</variablelist>
</sect2>
</sect1>
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